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Research Papers

Analysis and Assessment of a Gas Turbine-Modular Helium Reactor for Nuclear Desalination

[+] Author and Article Information
Farrukh Khalid

Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada
e-mail: farrukh.khalid@uoit.ca

Ibrahim Dincer

Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada
e-mail: ibrahim.dincer@uoit.ca

Marc A. Rosen

Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada
e-mail: marc.rosen@uoit.ca

Manuscript received August 26, 2015; final manuscript received January 3, 2016; published online June 17, 2016. Assoc. Editor: Masaki Morishita.

ASME J of Nuclear Rad Sci 2(3), 031014 (Jun 17, 2016) (6 pages) Paper No: NERS-15-1180; doi: 10.1115/1.4032508 History: Received August 26, 2015; Accepted January 03, 2016

A thermodynamic analysis of the coupling of a reverse osmosis (RO) process with the gas turbine-modular helium reactor (GT-MHR) is presented in which the waste heat is utilized for the generation of steam as it is expanded in a steam turbine. A comprehensive parametric study is carried out to reveal the effect of some parameters such as compression ratio, turbine inlet temperature, recovery ratio, and preheated feed seawater inlet temperature on the exergy efficiencies of the RO process, electricity generation process, electricity generation without steam turbine work output, and overall system. The analysis shows that the exergy efficiency of the electric generation process is increased by 10.3%, if the waste heat from the reactor is utilized. The exergy efficiencies of the RO process, electricity generation process, electricity generation without steam turbine work output, and overall system are found to be 89.0%, 40.0%, 29.7%, and 41.0%, respectively.

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References

Figures

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Fig. 1

GT-MHR coupled with RO process for desalination and electricity

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Fig. 2

Exergy destruction ratio of some major components of the system

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Fig. 3

(a) Overall energy balance for the GT-MHR. (b) Overall exergy balance for the GT-MHR. “Other” in the exergy diagram refers to emissions and consumption losses.

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Fig. 4

Effects on the exergy efficiencies of pressure ratio (rp)

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Fig. 5

Effects on the exergy efficiencies of gas turbine inlet temperature (T1)

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Fig. 6

Effects on the exergy efficiencies of preheated feed seawater inlet temperature (T20)

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Fig. 7

Effects on the exergy efficiencies of recovery ratio (rr)

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