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Dr. Erdem Cuce
Department of Mechanical Engineering, Faculty of Engineering, Recep Tayyip Erdogan University, Zihni Derin Campus, 53100 Rize, Turkey

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0 Renewable Energy Systems
0 Solar Energy
0 Thermodynamics
0 Heat and Mass Transfer

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Short communication
Published: 04 June 2021 in Case Studies in Thermal Engineering
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To limit the adverse impact of fossil fuel-generated power, energy generation from solar photovoltaic (PV) power is gaining importance. A lot of utility-scale PV power plants are being installed in tropical regions owing to the increased sunshine hours especially during the summer season. The influence of rain on the performance of PV power plants during monsoon seasons in a tropical climate is not studied in detail. This paper analyses the operational performance of a 2 MWp photovoltaic plant commissioned at the Kuzhalmannam site, Palakkad district, Kerala State, South India. The methodology includes the analysis of standard performance metrics of the plant utilizing two-year measured data and comparison with other climates. The PV plant's average performance ratio (PR) is 73.39, with an average of 15.41% capacity utilization factor (CUF) over the study period. The most deficit generation for the PV plant is observed in the months from June to August, which are part of the Southwest monsoon season. It is observed that the monsoon seasons prevailing in the region have a more substantial influence leading to a 35% reduction in energy generation from the annual average generation. Further, a comparison with other climates revealed that the specific yield obtained in rain-dominated monsoon tropical climates is lesser than dry and temperate climates.

ACS Style

Ajith Gopi; K. Sudhakar; W.K. Ngui; I.M. Kirpichnikova; Erdem Cuce. Energy analysis of utility-scale PV plant in the rain-dominated tropical monsoon climates. Case Studies in Thermal Engineering 2021, 26, 101123 .

AMA Style

Ajith Gopi, K. Sudhakar, W.K. Ngui, I.M. Kirpichnikova, Erdem Cuce. Energy analysis of utility-scale PV plant in the rain-dominated tropical monsoon climates. Case Studies in Thermal Engineering. 2021; 26 ():101123.

Chicago/Turabian Style

Ajith Gopi; K. Sudhakar; W.K. Ngui; I.M. Kirpichnikova; Erdem Cuce. 2021. "Energy analysis of utility-scale PV plant in the rain-dominated tropical monsoon climates." Case Studies in Thermal Engineering 26, no. : 101123.

Research article
Published: 22 May 2021 in International Journal of Photoenergy
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Geometric parameters in solar chimney power plants are numerically optimised for the purpose of better power output figures. Several parameters have been investigated in the pilot plant such as chimney height and diameter, collector diameter and slope, and slenderness. However, ground slope has not been studied to date despite its perspicuous impact on turbulent flow. In this study, the impacts of the different slope angles of the ground, where the solar radiation is absorbed through the collector, on the main performance parameters of the system are numerically analysed through a reliable CFD software ANSYS FLUENT. By considering the actual geometric figures of the pilot plant, a 3D model is constructed through DO (discrete ordinates) solar ray tracing algorithm and RNG k-ε turbulence model. For the solar intensity of 1000 W/m2, the maximum velocity inside the system is found to be 14.2 m/s, which is in good accordance with the experimental data of 15.0 m/s. Starting from 5 m inside the collector, the chimney inlet heights are reconfigured 0.209, 0.419, 0.625, 0.838, and 1.04 m, respectively, and when the ground slope is 0.1, 0.2, 0.3, 0.4, and 0.5°, the changes in the performance output of the system are investigated. For the reference case which refers to the horizontal ground, the maximum air velocity is determined to be 14.2 m/s and the power output is 54.3 kW. However, when the ground slope is made 0.5°, it is observed that the maximum velocity increases by 37% to 19.51 m/s, and the power output is enhanced to 63.95 kW with a rise of 17.7%. Sloping ground is found a key solution to improve the turbulent effects inside the plant, thus to enhance the electrical power output.

ACS Style

Erdem Cuce; Pinar Mert Cuce; Harun Sen; K. Sudhakar; Umberto Berardi; Ugur Serencam. Impacts of Ground Slope on Main Performance Figures of Solar Chimney Power Plants: A Comprehensive CFD Research with Experimental Validation. International Journal of Photoenergy 2021, 2021, 1 -11.

AMA Style

Erdem Cuce, Pinar Mert Cuce, Harun Sen, K. Sudhakar, Umberto Berardi, Ugur Serencam. Impacts of Ground Slope on Main Performance Figures of Solar Chimney Power Plants: A Comprehensive CFD Research with Experimental Validation. International Journal of Photoenergy. 2021; 2021 ():1-11.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce; Harun Sen; K. Sudhakar; Umberto Berardi; Ugur Serencam. 2021. "Impacts of Ground Slope on Main Performance Figures of Solar Chimney Power Plants: A Comprehensive CFD Research with Experimental Validation." International Journal of Photoenergy 2021, no. : 1-11.

Review
Published: 11 May 2021 in Energies
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The world’s demand for electricity will double by 2050. Despite its high potential as an eco-friendly technology for generating electricity, solar energy only covers a small percentage of the global demand. One of the challenges is associated with the sustainable use of land resources. Floating PV (FPV) plants on water bodies such as a dam, reservoir, canal, etc. are being increasingly developed worldwide as an alternative choice. In this background, the purpose of this research is to provide an outline of the hybrid floating solar system, which can be used to generate renewable energy. The hybrid technologies discussed include: FPV + hydro systems, FPV + pumped hydro, FPV + wave energy converter, FPV + solar tree, FPV + tracking, FPV + conventional power, FPV + hydrogen. The review also summarizes the key benefits and constraints of floating solar PV (FPV) in hybrid operation. Among the various hybrid FPV technologies, with solar input and hydro energy were among the most promising methods that could be potentially used for efficient power generation. The valuable concepts presented in this work provide a better understanding and may ignite sustainable hybrid floating installations for socio-economic growth with less environmental impact.

ACS Style

Evgeny Solomin; Evgeny Sirotkin; Erdem Cuce; Shanmuga Selvanathan; Sudhakar Kumarasamy. Hybrid Floating Solar Plant Designs: A Review. Energies 2021, 14, 2751 .

AMA Style

Evgeny Solomin, Evgeny Sirotkin, Erdem Cuce, Shanmuga Selvanathan, Sudhakar Kumarasamy. Hybrid Floating Solar Plant Designs: A Review. Energies. 2021; 14 (10):2751.

Chicago/Turabian Style

Evgeny Solomin; Evgeny Sirotkin; Erdem Cuce; Shanmuga Selvanathan; Sudhakar Kumarasamy. 2021. "Hybrid Floating Solar Plant Designs: A Review." Energies 14, no. 10: 2751.

Journal article
Published: 24 April 2021 in Sustainable Energy Technologies and Assessments
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Thin film coated windows are considered as the future of fenestration market owing to their characteristic features such as solar radiation and visible light control, UV and IR rejection and promising U-value range. Within the scope of this experimental research, various thin film technologies developed for glazed areas in buildings are comprehensively analysed as a potential retrofit solution to conventional windows. 12 commercial thin film coating products are laminated between clear glass sheets with very high visible light transmittance, and they are subjected to outdoor tests covering different sky conditions. UVA/UVC blockage, visible light and solar radiation control is evaluated for a wide range of thin film coating technologies from ceramic to metallic films as well as EVA and PVB-IR. The results indicate that ceramic and metallic thin film coatings are in general successful at visible light control. 93% of incoming visible light is found to be blocked by I118. EVA welcomes about 49% of incoming solar radiation whereas it is 31% for I178. Thin film coatings are capable of rejecting almost 100% of incoming UV light. It is also achieved from the research that UVC light figures are noticeable and this justifies the ozone layer depletion which needs to be noted.

ACS Style

Erdem Cuce; Pinar Mert Cuce; Saffa Riffat. Thin film coated windows towards low/zero carbon buildings: Adaptive control of solar, thermal, and optical parameters. Sustainable Energy Technologies and Assessments 2021, 46, 101257 .

AMA Style

Erdem Cuce, Pinar Mert Cuce, Saffa Riffat. Thin film coated windows towards low/zero carbon buildings: Adaptive control of solar, thermal, and optical parameters. Sustainable Energy Technologies and Assessments. 2021; 46 ():101257.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce; Saffa Riffat. 2021. "Thin film coated windows towards low/zero carbon buildings: Adaptive control of solar, thermal, and optical parameters." Sustainable Energy Technologies and Assessments 46, no. : 101257.

Review
Published: 22 March 2021 in International Journal of Ambient Energy
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The amount of energy needed for HVAC (Heating, Ventilation and Air Conditioning) systems in the building depends on a variety of factors, and one of the most important is the conduction load through the building envelope. Due to its higher strength and large cavities, concrete hollow blocks have become more common in several countries. The thermal conductivity, thermal resistance and thermal transmittance (U value) of various complex hollow brick geometries are reviewed on the basis of modelling and simulation studies. Various techniques for improving thermal properties (K, R and U values) of hollow brick are addressed in order to increase building energy efficiency. Large hollow brick cavities provide higher transmittance values, which indirectly improve the overall heat transfer, radiation and insulation efficiency.

ACS Style

Pinar Mert Cuce; Erdem Cuce; K. Sudhakar. A systematic review of thermal insulation performance of hollow bricks as a function of hollow geometry. International Journal of Ambient Energy 2021, 1 -16.

AMA Style

Pinar Mert Cuce, Erdem Cuce, K. Sudhakar. A systematic review of thermal insulation performance of hollow bricks as a function of hollow geometry. International Journal of Ambient Energy. 2021; ():1-16.

Chicago/Turabian Style

Pinar Mert Cuce; Erdem Cuce; K. Sudhakar. 2021. "A systematic review of thermal insulation performance of hollow bricks as a function of hollow geometry." International Journal of Ambient Energy , no. : 1-16.

Journal article
Published: 08 December 2020 in Cleaner Engineering and Technology
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Solar chimney power plants (SCPPs) are promising systems for clean energy generation. SCPPs are ideal for the large-scale harnessing of solar energy. They operate efficiently without auxiliary energy and do not cause any environmental pollution. There are several theoretical, numerical and experimental attempts to date for performance assessment of SCPPs, however, there are still contradictions in the findings, and a thorough performance evaluation is still missing. Therefore, in this study, a novel three-dimensional axisymmetric computational fluid dynamics (CFD) approach is proposed by considering the pioneer plant in Manzanares region. For a realistic approach, actual geometric parameters of the pilot plant are utilised in the CFD model, and the performance assessments are done regardless of time. Pressure, temperature and velocity distributions within the SCPP from collector inlet to chimney outlet are numerically modelled with respect to changes in solar radiation and atmospheric temperature. For model validation, the numerical findings are compared with the typical experimental findings performed in pilot plant, and a good agreement is obtained. For a certain value of solar radiation (1000 ​W/m2), maximum air velocity in the pilot plant is found to be 14.24 ​m/s, which is compatible with the experimental data of 15.00 ​m/s. Static pressure is found to sharply decrease from chimney ground to turbine inlet, and then steadily rises to the chimney outlet. Minimum static pressure is observed to be −100.18 ​Pa ​at 21.92 ​m from the ground. Output power of SCPP linearly increases with the solar intensity whereas it steadily reduces with ambient temperature. Available power is determined to be 49059 ​W for the case of 1000 ​W/m2, and the atmospheric temperature of 293 ​K.

ACS Style

Erdem Cuce; Pinar Mert Cuce; Harun Sen. A thorough performance assessment of solar chimney power plants: Case study for Manzanares. Cleaner Engineering and Technology 2020, 1, 100026 .

AMA Style

Erdem Cuce, Pinar Mert Cuce, Harun Sen. A thorough performance assessment of solar chimney power plants: Case study for Manzanares. Cleaner Engineering and Technology. 2020; 1 ():100026.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce; Harun Sen. 2020. "A thorough performance assessment of solar chimney power plants: Case study for Manzanares." Cleaner Engineering and Technology 1, no. : 100026.

Journal article
Published: 29 April 2020 in Energy Conversion and Management
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In this study, impacts of nanofluid use in thermoelectric coolers (TECs) on cooling power and main performance parameters are investigated through a comprehensive experimental methodology. For this purpose, a water cooled block is placed on the hot side of the Peltier and a water to air heat exchanger is integrated to the system in order to cool the heated water. Three different nanoparticles (Al2O3, TiO2 and SiO2) at a mass fraction of 0.1, 0.5 and 1% are added to the water running in the system and the temperature difference between the first and final state of the cooling process is determined for different ambient temperatures (18, 24 and 30 °C). As a second part of the research, 1 L of water is placed in the cooled cabinet, and the changes in temperature are observed under the same conditions representing the case of with load. The results indicate that the best enhancement in indoor temperature difference compared to water cooling is obtained for 1% Al2O3 at 30 °C ambient temperature with 26% for without load conditions. In addition, when the cooled water temperatures are taken into consideration, the best improvement is achieved as 55.1% from the 1% Al2O3-water nanofluid. Despite the small decreases in the coefficient of performance (COP) values of the system, it can be easily asserted that the novel TEC design integrated with nanofluids and water to air heat exchanger block is much more advantageous against the conventional water-cooled units due to the significant improvements in the cooled cabinet temperature.

ACS Style

Erdem Cuce; Tamer Guclu; Pinar Mert Cuce. Improving thermal performance of thermoelectric coolers (TECs) through a nanofluid driven water to air heat exchanger design: An experimental research. Energy Conversion and Management 2020, 214, 112893 .

AMA Style

Erdem Cuce, Tamer Guclu, Pinar Mert Cuce. Improving thermal performance of thermoelectric coolers (TECs) through a nanofluid driven water to air heat exchanger design: An experimental research. Energy Conversion and Management. 2020; 214 ():112893.

Chicago/Turabian Style

Erdem Cuce; Tamer Guclu; Pinar Mert Cuce. 2020. "Improving thermal performance of thermoelectric coolers (TECs) through a nanofluid driven water to air heat exchanger design: An experimental research." Energy Conversion and Management 214, no. : 112893.

Journal article
Published: 27 April 2020 in Journal of Energy Storage
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In this present work, the efforts have been made to improve the efficiency of solar air heater (SAH). For this, total two models have been developed. There is one reference model SAH-A and one modified model SAH-B which is integrated with paraffin wax as a low cost energy storage material. Furthermore, model SAH-B is further modified into a new model SAHC which is integrated with a specific mixture of paraffin wax and Granular coarbon powder (GCP). For better heat storage capacity of the aforesaid energy materials, helical tube of copper made has been considered as a container. Both the models of air heater (SAH-B and SAHC) have been experimentally tested on natural and forced convection under the climatic conditions of Moradabad city, India. Results show that SAH- C is better over SAH-A and SAH-B in performance comparison. Thermal efficiency of SAHC is found to be 79.10%, whereas it is found around 57.41% for SAH-B and around 50% for SAH-A. The other major parameter is heat transfer coefficient and for SAHC it is found to be 411.05 W/m2K, whereas it is found around 389 W/m2K for SAH-B and around 249.19 W/m2K for SAH-A. The maximum exhaust temperature of SAHC is reported to be 52.5 °C, whereas it is observed around 46.9 °C for SAH-B and about to be 44.7 °C for SAH-A. The main parameters of the present work summarizes that the model SAHC is an economic and optimum model for space heating, timber seasoning, drying operations etc. The total cost of the best configured SAHC model is only $67.

ACS Style

Abhishek Saxena; Nitin Agarwal; Erdem Cuce. Thermal performance evaluation of a solar air heater integrated with helical tubes carrying phase change material. Journal of Energy Storage 2020, 30, 101406 .

AMA Style

Abhishek Saxena, Nitin Agarwal, Erdem Cuce. Thermal performance evaluation of a solar air heater integrated with helical tubes carrying phase change material. Journal of Energy Storage. 2020; 30 ():101406.

Chicago/Turabian Style

Abhishek Saxena; Nitin Agarwal; Erdem Cuce. 2020. "Thermal performance evaluation of a solar air heater integrated with helical tubes carrying phase change material." Journal of Energy Storage 30, no. : 101406.

Journal article
Published: 07 April 2020 in Sustainable Energy Technologies and Assessments
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3D axisymmetric CFD model is developed for a solar chimney power plant (SCPP) in Manzanares, Spain, and potential impacts of chimney height (H) on main performance parameters are comprehensively analysed. Mesh-independent solutions are achieved, and accuracy justification is done over the previous numerical and experimental attempts prior to parametric research. Discrete ordinate (DO) non-grey radiation model with solar ray tracing approach is adopted in the research. A very good accordance is achieved between the numerical findings and in-situ data. For five different H values, temperature, pressure and velocity distributions within the pilot plant are achieved as well as maximum air velocity, mass flow rate of air, temperature rise in collector, dynamic pressure difference at the turbine position, overall system efficiency and potential electrical power. It is found that maximum air velocity thus mass flow rate shows an exponential growth in H. On the contrary, temperature rise in collector notably reduces with the increasing H. Overall system efficiency is determined to be 0.67% whenH = 500 m. Power output (P) linearly rises with H. The system is capable of generating 55 and 134 kW electrical power, forH = 200 and 500 m, respectively.

ACS Style

Erdem Cuce; Harun Sen; Pinar Mert Cuce. Numerical performance modelling of solar chimney power plants: Influence of chimney height for a pilot plant in Manzanares, Spain. Sustainable Energy Technologies and Assessments 2020, 39, 100704 .

AMA Style

Erdem Cuce, Harun Sen, Pinar Mert Cuce. Numerical performance modelling of solar chimney power plants: Influence of chimney height for a pilot plant in Manzanares, Spain. Sustainable Energy Technologies and Assessments. 2020; 39 ():100704.

Chicago/Turabian Style

Erdem Cuce; Harun Sen; Pinar Mert Cuce. 2020. "Numerical performance modelling of solar chimney power plants: Influence of chimney height for a pilot plant in Manzanares, Spain." Sustainable Energy Technologies and Assessments 39, no. : 100704.

Article
Published: 05 February 2020 in Journal of Thermal Science
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Renewable energy technologies are in the centre of interest to narrow the gap between fossil fuels and clean energy systems. The dominant role of solar energy systems among the alternatives is beyond question owing to being associated with an infinite energy source, well-documented theory, simplicity, eco-friendly structure and notably higher energy and exergy efficiency range compared to other renewables. However, in solar energy systems, conventional working fluids with poor thermophysical properties are still utilised. In other words, further improvements are still available in the said systems by the use of unique nanoparticles with superior thermal, electrical, optical and mechanical properties. Within the scope of this research, the applications of nanofluids in various solar energy systems such as tracking and non-tracking solar collectors, photovoltaic/thermal systems, solar thermoelectric devices, solar stills, solar thermal energy storage systems, solar greenhouses and solar ponds are comprehensively analysed. Relevant comparisons and discussions are proposed for the potential impacts of various nanofluids on coefficient of performance (COP) and thermodynamic performance figures of solar energy systems such as energy and exergy efficiency, effectiveness and productivity. Some challenges of nanofluids are also addressed which need to be resolved in further works.

ACS Style

Erdem Cuce; Pinar Mert Cuce; Tamer Guclu; Ahmet Burhaneddin Besir. On the Use of Nanofluids in Solar Energy Applications. Journal of Thermal Science 2020, 29, 513 -534.

AMA Style

Erdem Cuce, Pinar Mert Cuce, Tamer Guclu, Ahmet Burhaneddin Besir. On the Use of Nanofluids in Solar Energy Applications. Journal of Thermal Science. 2020; 29 (3):513-534.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce; Tamer Guclu; Ahmet Burhaneddin Besir. 2020. "On the Use of Nanofluids in Solar Energy Applications." Journal of Thermal Science 29, no. 3: 513-534.

Journal article
Published: 27 December 2019 in Uludağ University Journal of The Faculty of Engineering
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ACS Style

Erdem Cuce. ENERJİ VERİMLİ BİNALAR İÇİN SÜRDÜRÜLEBİLİR VE ÇEVRE DOSTU PENCERE VE CAM TEKNOLOJİLERİ: SON GELİŞMELER VE UYGULAMALAR. Uludağ University Journal of The Faculty of Engineering 2019, 24, 503 -522.

AMA Style

Erdem Cuce. ENERJİ VERİMLİ BİNALAR İÇİN SÜRDÜRÜLEBİLİR VE ÇEVRE DOSTU PENCERE VE CAM TEKNOLOJİLERİ: SON GELİŞMELER VE UYGULAMALAR. Uludağ University Journal of The Faculty of Engineering. 2019; 24 (3):503-522.

Chicago/Turabian Style

Erdem Cuce. 2019. "ENERJİ VERİMLİ BİNALAR İÇİN SÜRDÜRÜLEBİLİR VE ÇEVRE DOSTU PENCERE VE CAM TEKNOLOJİLERİ: SON GELİŞMELER VE UYGULAMALAR." Uludağ University Journal of The Faculty of Engineering 24, no. 3: 503-522.

Journal article
Published: 04 December 2019 in Results in Engineering
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Solar PV plants are being installed in many airports around the globe. Reflection from the solar PV arrays is a big concern for airport stakeholders. This paper aims to assess the glare occurrence and its impact from the proposed solar PV plant installed in an airport. The prediction of glare is carried out with the help of computational software for a randomly selected area within the boundary of Kuantan airport, Malaysia. The selected zone is not suitable for solar installations as per FAA's glare policy. In the selected area (Apv), the duration of glare on ATCT from solar modules installed is 6778 min (green and yellow glare). Also, the flight path is free from any kind of glare occurrence. Glare occurs between March to mid-October, mostly from 7.00 a.m. to 8.00 a.m. Green and Yellow glare last up to 10 min and 30 min respectively in a year. In this regard, remedial steps for mitigating possible glare are discussed. Glare prediction helps in the early adoption of suitable remedial measures against glare hazard.

ACS Style

S. Sreenath; K Sudhakar; A.F. Yusop; Erdem Cuce; Evgeny Solomin. Analysis of solar PV glare in airport environment: Potential solutions. Results in Engineering 2019, 5, 100079 .

AMA Style

S. Sreenath, K Sudhakar, A.F. Yusop, Erdem Cuce, Evgeny Solomin. Analysis of solar PV glare in airport environment: Potential solutions. Results in Engineering. 2019; 5 ():100079.

Chicago/Turabian Style

S. Sreenath; K Sudhakar; A.F. Yusop; Erdem Cuce; Evgeny Solomin. 2019. "Analysis of solar PV glare in airport environment: Potential solutions." Results in Engineering 5, no. : 100079.

Journal article
Published: 14 November 2019 in Sustainable Energy Technologies and Assessments
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Solar desalination systems have a promising potential to meet the clean water demand at global scale in a cost-effective and eco-friendly manner. Therefore, in this research, a novel solar distillation unit with sensible energy storage medium and passive booster reflector is devised, fabricated and experimentally analysed. Within the scope of first part of this research, solar desalination system is not thermally insulated, and there is not any cooling system considered for the aperture glazing to accelerate the distillation process. The tests are conducted for a one-week period in July for a characteristic continental climate. The total water productivity is observed to be 2197.4 ml, which is notable. However, it is concluded that water productivity performance highly depends on the existence of an effective cooling system for the aperture glazing and thermally resistive structure for the external body.

ACS Style

Erdem Cuce; Pinar Mert Cuce; Abhishek Saxena; Tamer Guclu; Ahmet B. Besir. Performance analysis of a novel solar desalination system – Part 1: The unit with sensible energy storage and booster reflector without thermal insulation and cooling system. Sustainable Energy Technologies and Assessments 2019, 37, 100566 .

AMA Style

Erdem Cuce, Pinar Mert Cuce, Abhishek Saxena, Tamer Guclu, Ahmet B. Besir. Performance analysis of a novel solar desalination system – Part 1: The unit with sensible energy storage and booster reflector without thermal insulation and cooling system. Sustainable Energy Technologies and Assessments. 2019; 37 ():100566.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce; Abhishek Saxena; Tamer Guclu; Ahmet B. Besir. 2019. "Performance analysis of a novel solar desalination system – Part 1: The unit with sensible energy storage and booster reflector without thermal insulation and cooling system." Sustainable Energy Technologies and Assessments 37, no. : 100566.

Journal article
Published: 01 November 2019 in Energy Reports
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ACS Style

Erdem Cuce; Pinar Mert Cuce. Optimised performance of a thermally resistive PV glazing technology: An experimental validation. Energy Reports 2019, 5, 1185 -1195.

AMA Style

Erdem Cuce, Pinar Mert Cuce. Optimised performance of a thermally resistive PV glazing technology: An experimental validation. Energy Reports. 2019; 5 ():1185-1195.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce. 2019. "Optimised performance of a thermally resistive PV glazing technology: An experimental validation." Energy Reports 5, no. : 1185-1195.

Journal article
Published: 19 September 2019 in Sustainable Energy Technologies and Assessments
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Developing technology and architectural design techniques have affected the field of architecture to a great extent. As a result, human comfort has become increasingly important in recent years. A natural ventilation cooling strategy which serves as the alternative to the air-conditioning system has been effectively employed in high-rise office buildings in western countries. This paper discusses the possibility of using natural ventilation strategy in school buildings. It evaluates some of the key issues associated with natural ventilation design and school buildings, including its the types, its working principles and limitations of passive ventilation, its effects and forms of natural ventilation when used in libraries, offices, auditoriums and dormitory buildings. This work also evaluates and how does the effects of architectural design on the passive ventilation such as orientation, depth of room, the atrium and solar chimney. Based on case studies on Queens building at De Montfort University, Liberty tower of Meiji University and simulation regarding ecological dormitory building in China. These three buildings have been selected to operate as simultaneously in different climatic and thermal comfort conditions. It is concluded that single-side ventilation and cross-ventilation can have good effect on cooling and improving air quality in school buildings with different functions as long as the height and depth of rooms are properly designed. Solar wall and solar chimney can also be employed to enhance natural ventilation performance based on the principle of stack effect.

ACS Style

Erdem Cuce; Farooq Sher; Hamad Sadiq; Pinar Mert Cuce; Tamer Guclu; Ahmet B. Besir. Sustainable ventilation strategies in buildings: CFD research. Sustainable Energy Technologies and Assessments 2019, 36, 100540 .

AMA Style

Erdem Cuce, Farooq Sher, Hamad Sadiq, Pinar Mert Cuce, Tamer Guclu, Ahmet B. Besir. Sustainable ventilation strategies in buildings: CFD research. Sustainable Energy Technologies and Assessments. 2019; 36 ():100540.

Chicago/Turabian Style

Erdem Cuce; Farooq Sher; Hamad Sadiq; Pinar Mert Cuce; Tamer Guclu; Ahmet B. Besir. 2019. "Sustainable ventilation strategies in buildings: CFD research." Sustainable Energy Technologies and Assessments 36, no. : 100540.

Journal article
Published: 31 March 2019 in Journal of Energy Systems
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ACS Style

Erdem Cuce. Impacts of edge seal material on thermal insulation performance of a thermally resistive photovoltaic glazing (TRPVG): CFD research with experimental validation. Journal of Energy Systems 2019, 3, 26 -35.

AMA Style

Erdem Cuce. Impacts of edge seal material on thermal insulation performance of a thermally resistive photovoltaic glazing (TRPVG): CFD research with experimental validation. Journal of Energy Systems. 2019; 3 (1):26-35.

Chicago/Turabian Style

Erdem Cuce. 2019. "Impacts of edge seal material on thermal insulation performance of a thermally resistive photovoltaic glazing (TRPVG): CFD research with experimental validation." Journal of Energy Systems 3, no. 1: 26-35.

Journal article
Published: 01 January 2019 in Energy Research Journal
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Solar chimney is a truly sustainable and green energy technology, which is a potential alternative to carbon-based energy economy. The working principle of solar chimneys is based on the buoyant nature of air to turn a turbine that produces electrical power. Solar chimneys are highly in the centre of interest among all solar energy applications since they enable both day and night time operation owing to greenhouse and chimney effects. A typical solar chimney consists of three main parts as chimney, collector and turbine. When the in-situ applications of solar chimneys are gone through, it can be easily asserted that the driving force in electricity generation comes from the chimney effect as a consequence of the notable pressure differences between the inlet and outlet of the chimneys. In most cases, the greenhouse effects on power output are considered auxiliary only due to non-optimised geometric properties for the air medium beneath the collector. Within the scope of this CFD research, the impacts of chimney height on power output of a typical solar chimney are evaluated. A commercial and reliable CFD software ANSYS FLUENT is considered for the numerical analyses. For different chimney heights, the average velocity at the inlet of chimney in which the turbine is placed is determined by applying k-ε turbulence model, continuity, momentum and energy equations for a 2D model. The results reveal that there is an exponential relationship between the pressure difference and the average air velocity and the solar chimney is found to be practical after a certain value of chimney height. For a chimney and collector diameter of 10 and 1000 m, respectively, the average velocity at the inlet of chimney is calculated to be 25.17 m/s for a chimney height of 100 m, whereas it is 18.06 m/s for the height of 50 m. The findings are of vital importance in terms of feasibility studies on solar chimneys since they give a clear understanding about the influence of chimney height on the electrical power output of any solar chimney power plant.

ACS Style

Erdem Cuce; Pinar Mert Cuceb. Performance Assessment of Solar Chimneys: Part I – Impact of Chimney Height on Power Output. Energy Research Journal 2019, 10, 11 -19.

AMA Style

Erdem Cuce, Pinar Mert Cuceb. Performance Assessment of Solar Chimneys: Part I – Impact of Chimney Height on Power Output. Energy Research Journal. 2019; 10 (1):11-19.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuceb. 2019. "Performance Assessment of Solar Chimneys: Part I – Impact of Chimney Height on Power Output." Energy Research Journal 10, no. 1: 11-19.

Journal article
Published: 01 January 2019 in Energy Research Journal
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In the previous part, impacts of chimney height thus pressure difference on the power output of solar chimneys have been numerically evaluated. Within the scope of this research, slenderness and slope of collector are analysed in terms of their potential influence on average velocity of air at the chimney inlet. The analyses are based on a commercial and reliable CFD software ANSYS FLUENT. Chimney height is considered to be 100 m in the research and the chimney diameter is varied through a dimensionless parameter (β). Basically, β is defined as inverse slenderness and its value of 0.1 corresponds to a chimney diameter of 10 m as expected. Average velocity of air at the chimney inlet is numerically assessed for the β values in the range of 0.1-0.5. Collector slope is also investigated in the analyses through a dimensionless parameter (δ). The term δ is defined as the ratio of inlet height of collector to the collector height at the centre. Similarly, average velocity of air at the chimney inlet is determined for the δ values in the range of 0.2-1.0. The analyses are conducted for a constant solar intensity of 200 W/m2. The chimney height at the centre is taken to be 4 m in the slenderness analyses and 10 m in the collector slope assessments. The height of collector inlet is constant and 1 m in the slenderness research. On the other hand, it is varied from 2 to 10 m in the collector slope analyses. The results reveal that the velocity figures exponentially decrease from 15.93 to 11.85 m/s when the β value rises from 0.1 to 0.5. On the contrary, velocity figures increase with increasing δ value, the enhancement is determined to be about 23%.

ACS Style

Erdem Cuce; Pinar Mert Cuce. Performance Assessment of Solar Chimneys: Part 2 – Impacts of Slenderness Value and Collector Slope on Power Output. Energy Research Journal 2019, 10, 20 -26.

AMA Style

Erdem Cuce, Pinar Mert Cuce. Performance Assessment of Solar Chimneys: Part 2 – Impacts of Slenderness Value and Collector Slope on Power Output. Energy Research Journal. 2019; 10 (1):20-26.

Chicago/Turabian Style

Erdem Cuce; Pinar Mert Cuce. 2019. "Performance Assessment of Solar Chimneys: Part 2 – Impacts of Slenderness Value and Collector Slope on Power Output." Energy Research Journal 10, no. 1: 20-26.

Article
Published: 30 October 2018 in Journal of Electronic Materials
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Thermoelectric coolers (TECs) are solid state units, which provide reliable energy conversion with no noise or vibration. They are also lightweight and do not include any moving parts. The current coefficient of performance (COP) range of TECs has shown a trend of improvement, and TECs have a wide range of usage areas. Within the scope of this research, TECs are comprehensively evaluated in terms of several aspects such as type, material, design, modelling, thermal performance, potential applications, economic and environmental issues. It can be achieved through the results that the COP of TECs is highly dependent on the temperature difference between hot and cold side (ΔT), and maximum COP is obtained when ΔT is close to zero. It is also observed that COP can be enhanced by more than 55% when the hot side is thermally regulated by phase change materials (PCMs) or integrated with a water cooling unit.

ACS Style

Tamer Guclu; Erdem Cuce. Thermoelectric Coolers (TECs): From Theory to Practice. Journal of Electronic Materials 2018, 48, 211 -230.

AMA Style

Tamer Guclu, Erdem Cuce. Thermoelectric Coolers (TECs): From Theory to Practice. Journal of Electronic Materials. 2018; 48 (1):211-230.

Chicago/Turabian Style

Tamer Guclu; Erdem Cuce. 2018. "Thermoelectric Coolers (TECs): From Theory to Practice." Journal of Electronic Materials 48, no. 1: 211-230.

Journal article
Published: 16 October 2018 in Solar Energy
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In this paper, cylindrical solar cookers with microporous absorbers are experimentally and numerically investigated in terms of thermodynamic performance figures. For a typical spring day in Bayburt, which is a good example of continental climate in Turkey, a comprehensive thermal performance analysis is done for a cylindrical solar cooker. A mathematical model is developed to verify the accuracy of the measurements, which is applied to a solar cooker with conventional absorber, and a good accordance is achieved between numerical and experimental data. Afterwards, the model is utilised to analyse the impacts of porous absorbers on thermal performance parameters of cylindrical solar cooker with different porosity characteristics. In this respect, three porosity configurations (triangular, semi-circular and trapezoidal) are considered on the absorber surface, and the enhancement in thermal performance figures are evaluated through a computer code written in MATLAB. The results reveal that microporous absorbers play a key role in improving thermodynamic performance parameters of cylindrical solar cooker. According to the experimental results, energy and exergy efficiency of cylindrical solar cooker with ordinary absorber is found to be in the range of 27.7–17.0 and 17.9–11.5%, respectively. On the other hand, the said figures are enhanced to 30.4–18.7 and 19.9–12.8% with triangular porosity, 33.2–20.4 and 21.7–14.0% with semi-circular porosity, 34.6–21.2 and 22.6–14.6% with trapezoidal porosity. The time to boiling is also noticeably reduced via microporous absorbers, which is justified through a dynamic regression analysis.

ACS Style

Erdem Cuce. Improving thermal power of a cylindrical solar cooker via novel micro/nano porous absorbers: A thermodynamic analysis with experimental validation. Solar Energy 2018, 176, 211 -219.

AMA Style

Erdem Cuce. Improving thermal power of a cylindrical solar cooker via novel micro/nano porous absorbers: A thermodynamic analysis with experimental validation. Solar Energy. 2018; 176 ():211-219.

Chicago/Turabian Style

Erdem Cuce. 2018. "Improving thermal power of a cylindrical solar cooker via novel micro/nano porous absorbers: A thermodynamic analysis with experimental validation." Solar Energy 176, no. : 211-219.