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Seama Koohi-Fayegh
Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada

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Review
Published: 07 November 2019 in Journal of Energy Storage
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Energy storage technologies, including storage types, categorizations and comparisons, are critically reviewed. Most energy storage technologies are considered, including electrochemical and battery energy storage, thermal energy storage, thermochemical energy storage, flywheel energy storage, compressed air energy storage, pumped energy storage, magnetic energy storage, chemical and hydrogen energy storage. Recent research on new energy storage types as well as important advances and developments in energy storage, are also included throughout.

ACS Style

S. Koohi-Fayegh; M.A. Rosen. A review of energy storage types, applications and recent developments. Journal of Energy Storage 2019, 27, 101047 .

AMA Style

S. Koohi-Fayegh, M.A. Rosen. A review of energy storage types, applications and recent developments. Journal of Energy Storage. 2019; 27 ():101047.

Chicago/Turabian Style

S. Koohi-Fayegh; M.A. Rosen. 2019. "A review of energy storage types, applications and recent developments." Journal of Energy Storage 27, no. : 101047.

Review
Published: 14 February 2016 in Energy, Ecology and Environment
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Hydrogen is expected to play a key role as an energy carrier in future energy systems of the world. As fossil-fuel supplies become scarcer and environmental concerns increase, hydrogen is likely to become an increasingly important chemical energy carrier and eventually may become the principal chemical energy carrier. When most of the world’s energy sources become non-fossil based, hydrogen and electricity are expected to be the two dominant energy carriers for the provision of end-use services. In such a “hydrogen economy,” the two complementary energy carriers, hydrogen and electricity, are used to satisfy most of the requirements of energy consumers. A transition era will bridge the gap between today’s fossil-fuel economy and a hydrogen economy, in which non-fossil-derived hydrogen will be used to extend the lifetime of the world’s fossil fuels—by upgrading heavy oils, for instance—and the infrastructure needed to support a hydrogen economy is gradually developed. In this paper, the role of hydrogen as an energy carrier and hydrogen energy systems’ technologies and their economics are described. Also, the social and political implications of hydrogen energy are examined, and the questions of when and where hydrogen is likely to become important are addressed. Examples are provided to illustrate key points.

ACS Style

Marc A. Rosen; Seama Koohi-Fayegh. The prospects for hydrogen as an energy carrier: an overview of hydrogen energy and hydrogen energy systems. Energy, Ecology and Environment 2016, 1, 10 -29.

AMA Style

Marc A. Rosen, Seama Koohi-Fayegh. The prospects for hydrogen as an energy carrier: an overview of hydrogen energy and hydrogen energy systems. Energy, Ecology and Environment. 2016; 1 (1):10-29.

Chicago/Turabian Style

Marc A. Rosen; Seama Koohi-Fayegh. 2016. "The prospects for hydrogen as an energy carrier: an overview of hydrogen energy and hydrogen energy systems." Energy, Ecology and Environment 1, no. 1: 10-29.

Conference paper
Published: 13 November 2014 in Proceedings of The 4th World Sustainability Forum
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The consumption of hot water represents a significant portion of national energy consumption and contributes to concerns associated with global climate change. Utilizing heat recovered from the sewer, or the stored heat by utilizing heat pumps with a borehole geothermal energy storage system, are simple and effective ways of heating water for domestic purposes. Reclaiming heat from the waste warm water that is discharged to the sewer or stored heat in a borehole geothermal energy storage system can help reduce natural gas energy consumption as well as the associated energy costs and greenhouse gas emissions. In this paper, sewer waste heat recovery is compared with heat pumps using geothermal energy storage systems for a small community shared water heating system including commercial and institutional buildings. It is found that the sewer heat exchanger method is relatively economical as it has the smallest rate of return on investment for the selected community size. The findings also demonstrate a reduction occurs in natural gas consumption and fewer CO2 gas emissions are emitted to the atmosphere. The results are intended to allow energy technology suppliers to work with communities while accounting appropriately for economic issues and CO2 emissions associated with these energy technologies.

ACS Style

Shahryar Garmsiri; Seama Kouhi; Marc Rosen. Recovery of Sewer Waste Heat vs. Heat Pumps Using Borehole Geothermal Energy Storage for a Small Community Water Heating System: Comparison and Feasibility Analysis. Proceedings of The 4th World Sustainability Forum 2014, 1 .

AMA Style

Shahryar Garmsiri, Seama Kouhi, Marc Rosen. Recovery of Sewer Waste Heat vs. Heat Pumps Using Borehole Geothermal Energy Storage for a Small Community Water Heating System: Comparison and Feasibility Analysis. Proceedings of The 4th World Sustainability Forum. 2014; ():1.

Chicago/Turabian Style

Shahryar Garmsiri; Seama Kouhi; Marc Rosen. 2014. "Recovery of Sewer Waste Heat vs. Heat Pumps Using Borehole Geothermal Energy Storage for a Small Community Water Heating System: Comparison and Feasibility Analysis." Proceedings of The 4th World Sustainability Forum , no. : 1.

Review
Published: 06 June 2013 in Sustainability
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Much attention is now focused on utilizing ground heat pumps for heating and cooling buildings, as well as water heating, refrigeration and other thermal tasks. Modeling such systems is important for understanding, designing and optimizing their performance and characteristics. Several heat transfer models exist for ground heat exchangers. In this review article, challenges of modelling heat transfer in vertical heat exchangers are described, some analytical and numerical models are reviewed and compared, recent related developments are described and the importance of modelling these systems is discussed from a variety of aspects, such as sustainability of geothermal systems or their potential impacts on the ecosystems nearby.

ACS Style

Seama Koohi-Fayegh; Marc A. Rosen. A Review of the Modelling of Thermally Interacting Multiple Boreholes. Sustainability 2013, 5, 2519 -2536.

AMA Style

Seama Koohi-Fayegh, Marc A. Rosen. A Review of the Modelling of Thermally Interacting Multiple Boreholes. Sustainability. 2013; 5 (6):2519-2536.

Chicago/Turabian Style

Seama Koohi-Fayegh; Marc A. Rosen. 2013. "A Review of the Modelling of Thermally Interacting Multiple Boreholes." Sustainability 5, no. 6: 2519-2536.

Journal article
Published: 16 August 2012 in Sustainability
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The temperature response in the soil surrounding multiple boreholes is evaluated analytically and numerically. The assumption of constant heat flux along the borehole wall is examined by coupling the problem to the heat transfer problem inside the borehole and presenting a model with variable heat flux along the borehole length. In the analytical approach, a line source of heat with a finite length is used to model the conduction of heat in the soil surrounding the boreholes. In the numerical method, a finite volume method in a three dimensional meshed domain is used. In order to determine the heat flux boundary condition, the analytical quasi-three-dimensional solution to the heat transfer problem of the U-tube configuration inside the borehole is used. This solution takes into account the variation in heating strength along the borehole length due to the temperature variation of the fluid running in the U-tube. Thus, critical depths at which thermal interaction occurs can be determined. Finally, in order to examine the validity of the numerical method, a comparison is made with the results of line source method.

ACS Style

Seama Koohi-Fayegh; Marc A. Rosen. On Thermally Interacting Multiple Boreholes with Variable Heating Strength: Comparison between Analytical and Numerical Approaches. Sustainability 2012, 4, 1848 -1866.

AMA Style

Seama Koohi-Fayegh, Marc A. Rosen. On Thermally Interacting Multiple Boreholes with Variable Heating Strength: Comparison between Analytical and Numerical Approaches. Sustainability. 2012; 4 (8):1848-1866.

Chicago/Turabian Style

Seama Koohi-Fayegh; Marc A. Rosen. 2012. "On Thermally Interacting Multiple Boreholes with Variable Heating Strength: Comparison between Analytical and Numerical Approaches." Sustainability 4, no. 8: 1848-1866.