Optimization design for supercritical carbon dioxide compressor based on simulated annealing algorithm

被引：20

作者：

Tang, Songsheng ^{[1
]}

Peng, Minjun ^{[1
]}

Xia, Genglei ^{[1
]}

Wang, Ge ^{[2
]}

Zhou, Cheng ^{[2
]}

机构：

[1] Harbin Engn Univ, Fundamental Sci Nucl Safety & Simulat Technol Lab, Harbin 150001, Peoples R China

[2] Beijing Inst Control & Engn, Beijing 100190, Peoples R China

来源：

ANNALS OF NUCLEAR ENERGY | 2020年 / 140卷

基金：

中国国家自然科学基金;

关键词：

S-CO2; compressor; Closed Brayton cycle; Performance optimization; Simulate annealing algorithm; BRAYTON CYCLE; REACTOR; TURBOMACHINERY; PERFORMANCE;

D O I：

10.1016/j.anucene.2019.107107

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The design and performance prediction models of centrifugal-flow compressor are developed for Supercritical Carbon Dioxide (S-CO2) closed Brayton cycle system. The accuracy of models are verified by the experimental data of Sandia laboratory. The performance of an S-CO2 compressor at different mass flow rates and speeds is analyzed with the performance prediction models. The influences of number of blades, inlet and outlet angle of blade on performance of the compressor are also analyzed. The results indicate the directions to improve the efficiency of the compressor under design conditions are reducing the number of blades and inlet angle of blade, while increasing outlet angle of blade for present compressor. The performance of present compressor on normal condition was optimized with the simulated annealing algorithm. Its calculated total isentropic efficiency is upped from 82.26% to 87.72% when the structural parameters was varied no more than 20%. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：9

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