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首页> 外文期刊>Journal of Fusion Energy >Performance Optimization of Power Generation System for Helium Gas/Lead Lithium Dual-coolant Blanket System
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Performance Optimization of Power Generation System for Helium Gas/Lead Lithium Dual-coolant Blanket System

机译：氦气/铅锂双冷却橡胶系统发电系统的性能优化

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摘要

Helium gas (He-gas) / Lithium Lead (LiPb) Dual-cooled LiPb (DLL) blanket is one of the promising candidates for the DEMO fusion reactor for power generation. Brayton cycle based on He-gas has been used as the power generation system for the fusion and fission power reactors. In this work, a modified and efficient design of the power generation system with concept of two stage expansions and one intercooler named as Schematic-I has been proposed for the DLL blanket of Fusion Power Reactor (FDS-II) to increase the thermal performance (e.g. power density and efficiency) of the system and optimized the parameters of the system. The engineering equation solver tool was used to calculate the performance of the system. It is found that the use of more than one expansion stage with proper selection of intercooler is very effective as compared with either splitting the flow equally for the expansion in two turbines or a single stage expansion. The concept of two-stage expansions in the Schematic-I increased the thermal efficiency of the system up to 51%, which was 4% higher than previous design of DLL blanket power generation system. The main parameters of the system such as isentropic efficiency of turbine and compressor, pressure ratio, recuperator performance, the terminal temperature difference of the recuperator, the inlet temperature of DLL blanket and effect of different pressures on the system have all been analyzed and optimized to achieve high performance.
机译：氦气（He-Gas）/锂铅（Lipb）双冷唇膏（DLL）毯是发电的演示融合反应堆的有希望的候选者之一。基于He-Gas的布雷顿周期已被用作融合和裂变电源反应堆的发电系统。在这项工作中，已经提出了具有两个阶段扩展概念的发电系统的经过改进和高效的设计，并为融合功率电抗器（FDS-II）的DLL毯子提出了一个名为示意图-I的一个中间冷却器，以增加热性能（例如，系统的功率密度和效率，并优化了系统的参数。工程方程求解器工具用于计算系统的性能。 It is found that the use of more than one expansion stage with proper selection of intercooler is very effective as compared with either splitting the flow equally for the expansion in two turbines or a single stage expansion.示意图中的两阶段扩展的概念 - 我提高了系统的热效率，高达51％，比先前的DLL橡皮布发电系统设计高4％。系统的主要参数如涡轮机和压缩机等熵效率，压力比，恢复器性能，恢复器的末端温度差，DLL毯子的入口温度以及系统上的不同压力的影响都被分析并优化到实现高性能。

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  • 来源
    《Journal of Fusion Energy》 |2021年第1期|6.1-6.9|共9页
  • 作者

    Khan Muhammad Salman; Huang Qunying; Bai Yunqing; Chen Zhibin;

  • 作者单位

    Chinese Acad Sci Hefei Inst Phys Sci Inst Nucl Energy Safety Technol Key Lab Neutron & Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Nucl Energy Safety Technol Key Lab Neutron & Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Nucl Energy Safety Technol Key Lab Neutron & Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Nucl Energy Safety Technol Key Lab Neutron & Radiat Safety Hefei 230031 Anhui Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    DLL; Brayton cycle; Thermal performance;

    机译：DLL;布雷顿循环;热性能;

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