The Impact of Primary Circuit Coolant Average Temperature on the Secondary Circuit Thermal Efficiency at Nuclear Power Station

Sheng Long Wang; Tong Li

doi:10.4028/www.scientific.net/AMR.953-954.601

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 953-954The Impact of Primary Circuit Coolant Average...

The Impact of Primary Circuit Coolant Average Temperature on the Secondary Circuit Thermal Efficiency at Nuclear Power Station

Abstract:

The variations of secondary circuit parameters are limited by the parameters of primary circuit during PWR nuclear power station operation, the primary circuit average temperature should vary at the range of nuclear reactor operating safely. In the existing analysis of secondary circuit thermal efficiency at nuclear power station, the impact of primary circuit average temperature on the secondary circuit thermal efficiency is not taken into consideration. In this paper, the changes of primary circuit average temperature in actual operation are considered, the secondary circuit parameters are calculated according to the model of heat flux transfer between primary and secondary circuit, the thermal efficiency of ideal cycle is chosen as the evaluating indicator of secondary circuit thermal efficiency, the thermal efficiencies of ideal cycle in secondary circuit are calculated under the conditions of varying coolant average temperature with the method of matrix, and the calculated results are basis for the safe and economic operation of nuclear power station.

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Periodical:

Advanced Materials Research (Volumes 953-954)

Pages:

601-604

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.953-954.601

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Online since:

June 2014

Authors:

Sheng Long Wang*, Tong Li

Keywords:

Coolant Average Temperature, Nuclear Power Station, Secondary Circuit, Thermal Efficiency

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