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Georgiana Dunca
Hydraulic Equipment and Environmental Engineering, Department of Hydraulics, Politehnica University of Bucharest, 060042 Bucharest, Romania

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Journal article
Published: 16 June 2020 in Energies
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The aim of this study is to develop a reliable numerical model that provides additional information to experimental measurements and contributes to a better exploitation of hydraulic turbines during transient operation. The paper presents a numerical analysis of the flow inside a Kaplan turbine model operated at a fixed runner blade angle during load variation from the best efficiency point (BEP) to part load (PL) operation. A mesh displacement is defined in order to model the closure of the guide vanes. Two different types of inlet boundary conditions are tested for the transient numerical simulations: linear flow rate variation (InletFlow) and constant total pressure (InletTotalPressure). A time step analysis is performed and the influence of the time discretization over the fluctuating quantities is discussed. Velocity measurements at the corresponding operating points are available to validate the simulation. Spectrogram plots of the pressure signals show the times of appearance of the plunging and rotating modes of the rotating vortex rope (RVR) and the stagnation region developed around the centerline of the draft tube is captured.

ACS Style

Raluca G. Iovănel; Georgiana Dunca; Diana M. Bucur; Michel J. Cervantes. Numerical Simulation of the Flow in a Kaplan Turbine Model during Transient Operation from the Best Efficiency Point to Part Load. Energies 2020, 13, 1 .

AMA Style

Raluca G. Iovănel, Georgiana Dunca, Diana M. Bucur, Michel J. Cervantes. Numerical Simulation of the Flow in a Kaplan Turbine Model during Transient Operation from the Best Efficiency Point to Part Load. Energies. 2020; 13 (12):1.

Chicago/Turabian Style

Raluca G. Iovănel; Georgiana Dunca; Diana M. Bucur; Michel J. Cervantes. 2020. "Numerical Simulation of the Flow in a Kaplan Turbine Model during Transient Operation from the Best Efficiency Point to Part Load." Energies 13, no. 12: 1.

Conference paper
Published: 27 March 2019 in IOP Conference Series: Earth and Environmental Science
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Development of hydropower as renewable energy source is an actual trend within the worldwide energy strategy. Thus, the manufacturers and operators of hydraulic turbines are currently engaged in their ecological use. Some of the solutions tested for the development of environmentally-friendly turbines are the aeration devices. Their aim is to increase the dissolved oxygen level in the flow discharged from the turbines in order to improve the quality of the aquatic life downstream hydropower plants. The present paper presents the experimental analysis of an innovative air injection device influence over the main operation parameters of a small Francis hydraulic turbine. The aeration device is mounted downstream turbine runner, at the entrance of the turbine draft tube. The tests are focused on determining the operating parameters evolution of the turbine - generator assembly and the vibrations in the shaft bearings and in the casing of the unit during normal regime and with different injected air flow rates. The pressure in the elbow of the draft tube is recorded, in order to determine the influence of the air injection over the flow at the runner outlet. Six operating regimes of the turbine are analysed, between a minimum power output value and a maximum value. For each operating point various air flow rates are injected in hydraulic system, between 1% and 8% water flowrate. The results will present the influence of the air injection over the dynamic behaviour of the turbine-generator unit.

ACS Style

D M Bucur; G Dunca; F Bunea; G D Ciocan. Experimental analysis of the operation of a small Francis turbine equipped with an innovative aeration device. IOP Conference Series: Earth and Environmental Science 2019, 240, 042010 .

AMA Style

D M Bucur, G Dunca, F Bunea, G D Ciocan. Experimental analysis of the operation of a small Francis turbine equipped with an innovative aeration device. IOP Conference Series: Earth and Environmental Science. 2019; 240 (4):042010.

Chicago/Turabian Style

D M Bucur; G Dunca; F Bunea; G D Ciocan. 2019. "Experimental analysis of the operation of a small Francis turbine equipped with an innovative aeration device." IOP Conference Series: Earth and Environmental Science 240, no. 4: 042010.

Conference paper
Published: 01 October 2017 in 2017 International Conference on ENERGY and ENVIRONMENT (CIEM)
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The paper focuses on the Cooling Water System (CWS) of Petrimanu Pumped Storage Power Plant, within a complex hydropower development on Lotru River in Romania. A numerical model of the above CWS is calibrated upon existing data and fits a pressure driven analysis in EPANET, through emitter coefficients attached to outlet-nodes. CWS physical components that do not exist in EPANET are replaced by equivalent throttle control valves. The final goal is to propose a hydraulically balanced configuration for the studied CWS under normal operation, then to analyze the CWS behavior under critical operation conditions.

ACS Style

Sanda-Carmen Georgescu; Diana Maria Bucur; Georgiana Dunca; Andrei-Mugur Georgescu; Alina Alexandrina Nicolae; Petre-Ovidiu Ciuc. Hydraulic balancing of the cooling water system of a pumped storage power plant. 2017 International Conference on ENERGY and ENVIRONMENT (CIEM) 2017, 246 -250.

AMA Style

Sanda-Carmen Georgescu, Diana Maria Bucur, Georgiana Dunca, Andrei-Mugur Georgescu, Alina Alexandrina Nicolae, Petre-Ovidiu Ciuc. Hydraulic balancing of the cooling water system of a pumped storage power plant. 2017 International Conference on ENERGY and ENVIRONMENT (CIEM). 2017; ():246-250.

Chicago/Turabian Style

Sanda-Carmen Georgescu; Diana Maria Bucur; Georgiana Dunca; Andrei-Mugur Georgescu; Alina Alexandrina Nicolae; Petre-Ovidiu Ciuc. 2017. "Hydraulic balancing of the cooling water system of a pumped storage power plant." 2017 International Conference on ENERGY and ENVIRONMENT (CIEM) , no. : 246-250.

Conference paper
Published: 01 October 2017 in 2017 International Conference on ENERGY and ENVIRONMENT (CIEM)
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The paper presents the validation of the implementation made by the user of the standard wall function for the standard k-ε turbulence model against the built-in standard wall function for the standard k-ε turbulence mode, in numerical computation software (ANSYS Fluent). A comparison was made between the results of two flow simulations: the first case consisted in using the built-in standard wall function and in the second case the implemented standard wall function was considered. The numerical simulations were made for the water flow inside a 3D diffuser. The results showed that both the wall functions used had a similar influence on the simulated flow.

ACS Style

Ionut Stelian Grecu; Diana Maria Bucur; Georgiana Dunca; Valeriu Nicolae Panaitescu; Michel J. Cervantes. Implementation of the standard wall function in numerical computation software. 2017 International Conference on ENERGY and ENVIRONMENT (CIEM) 2017, 231 -235.

AMA Style

Ionut Stelian Grecu, Diana Maria Bucur, Georgiana Dunca, Valeriu Nicolae Panaitescu, Michel J. Cervantes. Implementation of the standard wall function in numerical computation software. 2017 International Conference on ENERGY and ENVIRONMENT (CIEM). 2017; ():231-235.

Chicago/Turabian Style

Ionut Stelian Grecu; Diana Maria Bucur; Georgiana Dunca; Valeriu Nicolae Panaitescu; Michel J. Cervantes. 2017. "Implementation of the standard wall function in numerical computation software." 2017 International Conference on ENERGY and ENVIRONMENT (CIEM) , no. : 231-235.

Journal article
Published: 01 March 2017 in Energy Procedia
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ACS Style

Georgiana Dunca; Vlad-Florin Piraianu; Razvan Roman; Petre-Ovidiu Ciuc; Sanda-Carmen Georgescu. Experimental versus EPANET Simulation of Variable Speed Driven Pumps Operation. Energy Procedia 2017, 112, 100 -107.

AMA Style

Georgiana Dunca, Vlad-Florin Piraianu, Razvan Roman, Petre-Ovidiu Ciuc, Sanda-Carmen Georgescu. Experimental versus EPANET Simulation of Variable Speed Driven Pumps Operation. Energy Procedia. 2017; 112 ():100-107.

Chicago/Turabian Style

Georgiana Dunca; Vlad-Florin Piraianu; Razvan Roman; Petre-Ovidiu Ciuc; Sanda-Carmen Georgescu. 2017. "Experimental versus EPANET Simulation of Variable Speed Driven Pumps Operation." Energy Procedia 112, no. : 100-107.

Journal article
Published: 01 January 2017 in Journal of Applied Fluid Mechanics
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ACS Style

Diana Maria Bucur; Georgiana Dunca; Michel Cervantes; University POLITEHNICA of Bucharest. Maximum Pressure Evaluation during Expulsion of Entrapped Air from Pressurized Pipelines. Journal of Applied Fluid Mechanics 2017, 10, 11 -20.

AMA Style

Diana Maria Bucur, Georgiana Dunca, Michel Cervantes, University POLITEHNICA of Bucharest. Maximum Pressure Evaluation during Expulsion of Entrapped Air from Pressurized Pipelines. Journal of Applied Fluid Mechanics. 2017; 10 (1):11-20.

Chicago/Turabian Style

Diana Maria Bucur; Georgiana Dunca; Michel Cervantes; University POLITEHNICA of Bucharest. 2017. "Maximum Pressure Evaluation during Expulsion of Entrapped Air from Pressurized Pipelines." Journal of Applied Fluid Mechanics 10, no. 1: 11-20.

Conference paper
Published: 01 January 2017 in 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE)
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The environmental friendly concept is a worldwide necessity for the future of the hydropower development as a renewable energy source. For this purpose, aeration devices and techniques are tested and implemented in order to assess the preservation of the aquatic life. The present paper investigates the influence of the aeration process over the operation parameters of a full scale machine (hydro turbine - generator unit) that delivers the energy into the national power grid. The vibrations are measured in different locations along the turbine - generator assembly: radial axial bearing, radial bearing, turbine housing and draft tube. The main components are identified in the vibrations amplitude spectra. The vibration magnitudes in the case of no air injection are compared to the ones in the cases when different air flow rates are injected. Even though the investigation reveals issues regarding misalignment of the shaft and bearing looses in housing, there weren't identified any negative effects during operation of the hydro-generator unit due to air injection.

ACS Style

Diana Maria Bucur; Georgiana Dunca; Florentina Bunea; Constantin Calinoiu. Aeration process influence over the operation of a small hydro turbine - generator unit. 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2017, 746 -751.

AMA Style

Diana Maria Bucur, Georgiana Dunca, Florentina Bunea, Constantin Calinoiu. Aeration process influence over the operation of a small hydro turbine - generator unit. 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE). 2017; ():746-751.

Chicago/Turabian Style

Diana Maria Bucur; Georgiana Dunca; Florentina Bunea; Constantin Calinoiu. 2017. "Aeration process influence over the operation of a small hydro turbine - generator unit." 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE) , no. : 746-751.

Proceedings article
Published: 01 January 2017 in 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE)
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The present work investigates the flow parameters influence over the accuracy of flow rate determination by means of Design of Experiments -a statistical procedure widely used for experiments. The method used for the estimation of the flow rate derives from the standard pressure-time method, modified and improved - the solution is obtained by solving the water hammer equations considering an unsteady friction factor. The influence of the following parameters over the final moment of the flow rate variation regime is determined: the time of valve closure, the Reynolds number of the flow and the type of the closure law. A 23 factorial design is chosen to test the manner the three parameters influence, separately and together, the time value that should be chosen for the end of the flow rate variation regime. The results will help understand the influence of these parameters and the way in which they should be modeled within the flow rate determination method.

ACS Style

Georgiana Dunca; Diana Maria Bucur; Michel J. Cervantes. Sensitivity analysis on flow rate estimation using design of experiments: Application to the pressure-time method. 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2017, 533 -538.

AMA Style

Georgiana Dunca, Diana Maria Bucur, Michel J. Cervantes. Sensitivity analysis on flow rate estimation using design of experiments: Application to the pressure-time method. 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE). 2017; ():533-538.

Chicago/Turabian Style

Georgiana Dunca; Diana Maria Bucur; Michel J. Cervantes. 2017. "Sensitivity analysis on flow rate estimation using design of experiments: Application to the pressure-time method." 2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE) , no. : 533-538.

Journal article
Published: 01 January 2017 in Environmental Engineering and Management Journal
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ACS Style

Gabriel Dan Ciocan; Florentina Bunea; Adrian Nedelcu; Diana Maria Bucur; Georgiana Dunca; Rare. Chihaia. EXPERIMENTAL SETUP FOR THE STUDY OF NEW AERATION DEVICES IN HYDRAULIC TURBINES. Environmental Engineering and Management Journal 2017, 16, 1033 -1040.

AMA Style

Gabriel Dan Ciocan, Florentina Bunea, Adrian Nedelcu, Diana Maria Bucur, Georgiana Dunca, Rare. Chihaia. EXPERIMENTAL SETUP FOR THE STUDY OF NEW AERATION DEVICES IN HYDRAULIC TURBINES. Environmental Engineering and Management Journal. 2017; 16 (5):1033-1040.

Chicago/Turabian Style

Gabriel Dan Ciocan; Florentina Bunea; Adrian Nedelcu; Diana Maria Bucur; Georgiana Dunca; Rare. Chihaia. 2017. "EXPERIMENTAL SETUP FOR THE STUDY OF NEW AERATION DEVICES IN HYDRAULIC TURBINES." Environmental Engineering and Management Journal 16, no. 5: 1033-1040.

Journal article
Published: 01 January 2017 in Environmental Engineering and Management Journal
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ACS Style

Andrei-Mugur Georgescu; Sanda-Carmen Georgescu; Remus Alexandru Madularea; Diana Maria Bucur; Georgiana Dunca. EFFICIENT CHLORINATION SCHEDULE FOR A WATER DISTRIBUTION NETWORK WITH MULTIPLE PUMPING STATIONS. Environmental Engineering and Management Journal 2017, 16, 1071 -1079.

AMA Style

Andrei-Mugur Georgescu, Sanda-Carmen Georgescu, Remus Alexandru Madularea, Diana Maria Bucur, Georgiana Dunca. EFFICIENT CHLORINATION SCHEDULE FOR A WATER DISTRIBUTION NETWORK WITH MULTIPLE PUMPING STATIONS. Environmental Engineering and Management Journal. 2017; 16 (5):1071-1079.

Chicago/Turabian Style

Andrei-Mugur Georgescu; Sanda-Carmen Georgescu; Remus Alexandru Madularea; Diana Maria Bucur; Georgiana Dunca. 2017. "EFFICIENT CHLORINATION SCHEDULE FOR A WATER DISTRIBUTION NETWORK WITH MULTIPLE PUMPING STATIONS." Environmental Engineering and Management Journal 16, no. 5: 1071-1079.

Journal article
Published: 01 January 2016 in Energy Procedia
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The present case study points on the cooling water system of the Hydro-Power Plant (HPP) Bradisor, on the Lotru River in Romania. This 115 MW underground power plant is equipped with two Francis turbines. We built in EPANET a numerical model to simulate the operation of the cooling water system of this HPP, for different working scenarios. The whole hydraulic system is a complex one: it is composed of a main cooling water network fed by pumps, a water-based fire fighting network for the hydropower generators and a backup cooling water network fed from the penstock pipes. The numerical model of the whole cooling water system consists of 87 pipes, 133 junctions, 6 variable speed driven centrifugal pumps, 59 valves and 3 reservoirs. Some throttle control valves (TCV) are artificially inserted in our numerical model and are set with appropriate loss coefficients values to be equivalent to the equipments that introduce minor losses in the system and don’t exist as physical components in EPANET. Those equipments are: air-water heat exchangers (placed around the hydropower generators), oil-water heat exchangers (of heavy-duty thrust bearings, of turbines’ and generators’ guide bearings, of the 130 MVA step-up transformer), coolers of turbines’ seals and self-cleaning filters (one for each hydropower unit and another one for the transformer). The loss coefficient for each equivalent TCV was set based on pressure loss values measured in situ on each equipment. The numerical results (pressure and flow rate values) match the existing recordings. The simulations prove that by using a proper calibration of the numerical model, EPANET capabilities can be extended for more complex systems than the water distribution systems.

ACS Style

Sanda-Carmen Georgescu; Andrei-Mugur Georgescu; Alexandru Jumara; Vlad-Florin Piraianu; Georgiana Dunca. Numerical Simulation of the Cooling Water System of a 115 MW Hydro-Power Plant. Energy Procedia 2016, 85, 228 -234.

AMA Style

Sanda-Carmen Georgescu, Andrei-Mugur Georgescu, Alexandru Jumara, Vlad-Florin Piraianu, Georgiana Dunca. Numerical Simulation of the Cooling Water System of a 115 MW Hydro-Power Plant. Energy Procedia. 2016; 85 ():228-234.

Chicago/Turabian Style

Sanda-Carmen Georgescu; Andrei-Mugur Georgescu; Alexandru Jumara; Vlad-Florin Piraianu; Georgiana Dunca. 2016. "Numerical Simulation of the Cooling Water System of a 115 MW Hydro-Power Plant." Energy Procedia 85, no. : 228-234.

Journal article
Published: 01 October 2015 in Flow Measurement and Instrumentation
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ACS Style

Georgiana Dunca; Diana Maria Bucur; Michel J. Cervantes; Radu Popa. Discharge evaluation from pressure measurements by a genetic algorithm based method. Flow Measurement and Instrumentation 2015, 45, 49 -55.

AMA Style

Georgiana Dunca, Diana Maria Bucur, Michel J. Cervantes, Radu Popa. Discharge evaluation from pressure measurements by a genetic algorithm based method. Flow Measurement and Instrumentation. 2015; 45 ():49-55.

Chicago/Turabian Style

Georgiana Dunca; Diana Maria Bucur; Michel J. Cervantes; Radu Popa. 2015. "Discharge evaluation from pressure measurements by a genetic algorithm based method." Flow Measurement and Instrumentation 45, no. : 49-55.

Conference paper
Published: 01 May 2015 in 2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)
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The paper presents an acoustic signal processing approach for the surveillance of a water pipe and the characterization of the water hammer effect. The experiment is based on ultrasonic transceivers and the validation is made with pressure sensors. The major objective is to quantify the pressure variation into the pipe using a non-intrusive method. Therefore, the speed of the transient was determined making use of the time-of-flight (TOF) which was obtained using the Recurrence Plot Analysis (RPA). Several comparisons between the signal processing approach and the classical techniques highlight the advantage of the non-intrusive method.

ACS Style

Angela Digulescu; Ion Candel; Cornel Ioana; Gabriel Vasile; Georgiana Dunca; Diana Maria Bucur; Alexandru Serbanescu. Water hammer effect characterization using an acoustic signal processing approach. 2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2015, 5 -8.

AMA Style

Angela Digulescu, Ion Candel, Cornel Ioana, Gabriel Vasile, Georgiana Dunca, Diana Maria Bucur, Alexandru Serbanescu. Water hammer effect characterization using an acoustic signal processing approach. 2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE). 2015; ():5-8.

Chicago/Turabian Style

Angela Digulescu; Ion Candel; Cornel Ioana; Gabriel Vasile; Georgiana Dunca; Diana Maria Bucur; Alexandru Serbanescu. 2015. "Water hammer effect characterization using an acoustic signal processing approach." 2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) , no. : 5-8.

Journal article
Published: 01 January 2015 in Procedia Engineering
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The case study points on the water distribution system (WDS) of Buzau City, a medium-sized city in South-Eastern Romania. We built a simplified numerical model of Buzau's main WDS in EPANET, which connects 4 pumping stations to 45 booster stations (end-users) and other users. The model was calibrated upon real-time recordings from 2014. The pumping scheduling is established upon control statements driven by the: discharge pressure of the corresponding pumping station; pressure levels at selected key points in the network (here, one pumping station can be shut down).Energy consumptions were calculated and compared with the current situation

ACS Style

Sanda-Carmen Georgescu; Andrei-Mugur Georgescu; Remus Alexandru Madularea; Vlad-Florin Piraianu; Anton Anton; Georgiana Dunca. Numerical Model of A Medium-Sized Municipal Water Distribution System Located in Romania. Procedia Engineering 2015, 119, 660 -668.

AMA Style

Sanda-Carmen Georgescu, Andrei-Mugur Georgescu, Remus Alexandru Madularea, Vlad-Florin Piraianu, Anton Anton, Georgiana Dunca. Numerical Model of A Medium-Sized Municipal Water Distribution System Located in Romania. Procedia Engineering. 2015; 119 ():660-668.

Chicago/Turabian Style

Sanda-Carmen Georgescu; Andrei-Mugur Georgescu; Remus Alexandru Madularea; Vlad-Florin Piraianu; Anton Anton; Georgiana Dunca. 2015. "Numerical Model of A Medium-Sized Municipal Water Distribution System Located in Romania." Procedia Engineering 119, no. : 660-668.

Conference paper
Published: 01 October 2014 in 2014 International Conference and Exposition on Electrical and Power Engineering (EPE)
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Preserving the quality of the water is a major concern from ecological, economical and sustainable development point of view, but also a condition when using water for renewable energy production. The European Water Policy defines a common regulation for sustainable and integrated management of water corps and requires that all impact factors to be considered. The environmental friendly concept represents a necessity for worldwide hydropower development. The dissolved oxygen in water courses represents an essential parameter which allows the preservation and development of aquatic habitat. The objective of the work is identification and study of a new solution which will contribute to improvement of the dissolved oxygen quantity in water used as renewable energy resource, so necessary to the aquatic life. The proposed solution takes in consideration the optimum between aeration parameters and energy consumption, in order to be implemented in hydraulic turbines.

ACS Style

Florentina Bunea; Diana Maria Bucur; Gabriel Dan Ciocan; Georgiana Dunca. Aeration solution of water used by hydraulic turbines to respect the environmental policies. 2014 International Conference and Exposition on Electrical and Power Engineering (EPE) 2014, 1015 -1020.

AMA Style

Florentina Bunea, Diana Maria Bucur, Gabriel Dan Ciocan, Georgiana Dunca. Aeration solution of water used by hydraulic turbines to respect the environmental policies. 2014 International Conference and Exposition on Electrical and Power Engineering (EPE). 2014; ():1015-1020.

Chicago/Turabian Style

Florentina Bunea; Diana Maria Bucur; Gabriel Dan Ciocan; Georgiana Dunca. 2014. "Aeration solution of water used by hydraulic turbines to respect the environmental policies." 2014 International Conference and Exposition on Electrical and Power Engineering (EPE) , no. : 1015-1020.

Conference paper
Published: 01 April 2014 in OCEANS 2014 - TAIPEI
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This paper proposes a new method for detection of the vortex presence in fluid flow based on an active acoustic system. The experiment that validates the theory was done on a reduced scale facility using ultrasonic transceivers. The main objective was to highlight the effect of a cavitation vortex on an applied wide band signal. In order to accomplish that, the Recurrence Plot Analysis (RPA) was investigated which emhasizes similar states of a dynamic process. The Tests were done from no vortex cavitation flow to vortex cavitation flow and backward.

ACS Style

Angela Digulescu; Teodor Petrut; Ion Candel; Florentina Bunea; Georgiana Dunca; Diana Maria Bucur; Cornel Ioana; Alexandru Serbanescu. On the vortex parameter estimation using wide band signals in active acoustic system. OCEANS 2014 - TAIPEI 2014, 1 -5.

AMA Style

Angela Digulescu, Teodor Petrut, Ion Candel, Florentina Bunea, Georgiana Dunca, Diana Maria Bucur, Cornel Ioana, Alexandru Serbanescu. On the vortex parameter estimation using wide band signals in active acoustic system. OCEANS 2014 - TAIPEI. 2014; ():1-5.

Chicago/Turabian Style

Angela Digulescu; Teodor Petrut; Ion Candel; Florentina Bunea; Georgiana Dunca; Diana Maria Bucur; Cornel Ioana; Alexandru Serbanescu. 2014. "On the vortex parameter estimation using wide band signals in active acoustic system." OCEANS 2014 - TAIPEI , no. : 1-5.

Conference paper
Published: 01 March 2014 in IOP Conference Series: Earth and Environmental Science
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ACS Style

I Candel; Florentina Bunea; Georgiana Dunca; Diana Maria Bucur; C Ioana; B Reeb; G D Ciocan. Detection of cavitation vortex in hydraulic turbines using acoustic techniques. IOP Conference Series: Earth and Environmental Science 2014, 22, 52007 .

AMA Style

I Candel, Florentina Bunea, Georgiana Dunca, Diana Maria Bucur, C Ioana, B Reeb, G D Ciocan. Detection of cavitation vortex in hydraulic turbines using acoustic techniques. IOP Conference Series: Earth and Environmental Science. 2014; 22 (5):52007.

Chicago/Turabian Style

I Candel; Florentina Bunea; Georgiana Dunca; Diana Maria Bucur; C Ioana; B Reeb; G D Ciocan. 2014. "Detection of cavitation vortex in hydraulic turbines using acoustic techniques." IOP Conference Series: Earth and Environmental Science 22, no. 5: 52007.

Conference paper
Published: 01 March 2014 in IOP Conference Series: Earth and Environmental Science
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ACS Style

Diana Maria Bucur; Georgiana Dunca; M J Cervantes; C Cǎlinoiu; E C Isbasoiu. Simultaneous transient operation of a high head hydro power plant and a storage pumping station in the same hydraulic scheme. IOP Conference Series: Earth and Environmental Science 2014, 22, 42015 .

AMA Style

Diana Maria Bucur, Georgiana Dunca, M J Cervantes, C Cǎlinoiu, E C Isbasoiu. Simultaneous transient operation of a high head hydro power plant and a storage pumping station in the same hydraulic scheme. IOP Conference Series: Earth and Environmental Science. 2014; 22 (4):42015.

Chicago/Turabian Style

Diana Maria Bucur; Georgiana Dunca; M J Cervantes; C Cǎlinoiu; E C Isbasoiu. 2014. "Simultaneous transient operation of a high head hydro power plant and a storage pumping station in the same hydraulic scheme." IOP Conference Series: Earth and Environmental Science 22, no. 4: 42015.

Conference paper
Published: 26 November 2012 in IOP Conference Series: Earth and Environmental Science
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ACS Style

Diana Maria Bucur; Georgiana Dunca; C Cǎlinoiu. Experimental vibration level analysis of a Francis turbine. IOP Conference Series: Earth and Environmental Science 2012, 15, 1 .

AMA Style

Diana Maria Bucur, Georgiana Dunca, C Cǎlinoiu. Experimental vibration level analysis of a Francis turbine. IOP Conference Series: Earth and Environmental Science. 2012; 15 (6):1.

Chicago/Turabian Style

Diana Maria Bucur; Georgiana Dunca; C Cǎlinoiu. 2012. "Experimental vibration level analysis of a Francis turbine." IOP Conference Series: Earth and Environmental Science 15, no. 6: 1.