Hitachi-GE developed a -class modular simplified and medium small reactor (DMS) between 2000 and 2004. It was designed to have merits over traditional nuclear power plants in areas of lower initial capital investment, flexibility, enhanced safety, and security. The balance of plant (BOP) system of the DMS was originally designed for supplying just electricity. In this study, the cogeneration DMS that supplies both electricity and heat is under investigation. The heat exchanger (HX) network, mainly consisting of the BOP heat exchanger, water pump, and the heat exchangers that deliver heat to the thermal utilization (TU) applications, must operate in an efficient way to keep the overall system costs low. In this paper, the configuration of a heat exchanger network that serves for various TU applications is investigated first. A numerical model for the heat exchanger network is built, and sensitivity studies are performed to estimate the energy efficiency and exergy efficiency of the whole heat exchanger network under different design and operating conditions (e.g., different water temperatures and flow rates). Important design and operating parameters, which significantly impact the performance of the network, are evaluated and presented.
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e-mail: gag827@mail.usask.ca
e-mail: Carey.Simonson@usask.ca
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October 2016
Research Papers
Design and Performance Evaluation of a Heat Exchanger Network for a Cogeneration DMS to Various Thermal Utilization Applications
Gaoming Ge,
e-mail: gag827@mail.usask.ca
Gaoming Ge
Department of Mechanical Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK S7N 5A9
, Canada
e-mail: gag827@mail.usask.ca
Search for other works by this author on:
Carey J. Simonson
e-mail: Carey.Simonson@usask.ca
Carey J. Simonson
Department of Mechanical Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK S7N 5A9
, Canada
e-mail: Carey.Simonson@usask.ca
Search for other works by this author on:
Gaoming Ge
Department of Mechanical Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK S7N 5A9
, Canada
e-mail: gag827@mail.usask.ca
Carey J. Simonson
Department of Mechanical Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, SK S7N 5A9
, Canada
e-mail: Carey.Simonson@usask.ca
Manuscript received July 24, 2015; final manuscript received June 1, 2016; published online October 12, 2016. Assoc. Editor: Jovica R. Riznic.
ASME J of Nuclear Rad Sci. Oct 2016, 2(4): 041006 (6 pages)
Published Online: October 12, 2016
Article history
Received:
July 24, 2015
Revision Received:
June 1, 2016
Accepted:
June 1, 2016
Citation
Ge, G., and Simonson, C. J. (October 12, 2016). "Design and Performance Evaluation of a Heat Exchanger Network for a Cogeneration DMS to Various Thermal Utilization Applications." ASME. ASME J of Nuclear Rad Sci. October 2016; 2(4): 041006. https://doi.org/10.1115/1.4033770
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