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《Journal of Engineering for Thermal Energy and Power》 2009-03
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A Matrix Analytic Method for the Second Loop Thermodynamic System of a Pressurized Water Reactor-based Nuclear Power Plant

LIU Qiang,XIN Hong-xiang,CHEN Ling-hai (School of Energy and Power Engineering,Nanjing Engineering College,Nanjing,China,Post Code:211167),YANG Ling (Beijing Energy-Net Distribution Energy Technology Co.Ltd.,Beijing,China,Post Code:100035)  
On the basis of the thermal balance equations for heaters at various stages,through a strict mathematical deduction,presented was a constant power equation for the second loop thermodynamic system of a pressurized water reactor-based nuclear power plant based on matrixes.The rules for filling out the matrixes were expounded in detail and the physical meanings of various matrixes,pinpointed.The equation in question considers in a comprehensive way the structural features of the second loop thermodynamic system and auxiliary steam and water systems.Under the condition of a constant power output,the equation can be used to obtain at the first attempt the steam consumption rate and the amounts of steam bled at various stages,demonstrating its strong versatility.Its applications feature a simple,accurate and quick process.The authors have verified the accuracy of the equation through the analysis of a 900 MW power plant calculation case.
【CateGory Index】: TM623
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