Research on synchronous optimization effect of working fluid components and node parameters of organic Rankine cycle (ORC)

被引：6

作者：

Gu, Conghui ^{[1
]}

Zhang, Yujian ^{[1
]}

Tang, Chunli ^{[1
]}

Olegovich, Oshkin Vladislav ^{[1
,2
]}

Gloria, Kasolongo Ndongo ^{[1
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Energy & Power, Zhenjiang 212100, Jiangsu, Peoples R China

[2] Ogarev Mordovia State Univ, Inst Mech & Power Engn, Saransk 430005, Russia

来源：

CASE STUDIES IN THERMAL ENGINEERING | 2022年 / 30卷

基金：

中国国家自然科学基金;

关键词：

Organic rankine cycle; Genetic algorithm; Optimization effect; Nested method; LIQUEFIED NATURAL-GAS; COLD ENERGY; UTILIZING LNG; THERMOECONOMIC ANALYSIS; HEAT; SYSTEM; TEMPERATURE; EXERGY; PRESSURE;

D O I：

10.1016/j.csite.2021.101742

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, a new numerical optimization algorithm which can simultaneously optimize the components and operating parameters of organic Rankine cycle is proposed and applied to single-stage organic Rankine cycle and two-stage organic Rankine cycle. Compare with the Nested method, the optimization effect of the numerical method proposed can reach more than 99.99% of the optimal effect if the working medium had not been considered in the two-stage organic Rankine cycle. The optimization time is only about 0.02% of the Nested method. 99.52% of the best performance after the working medium being considered. The results indicate that when the complexity of the system and the number of independent variables increase, the optimization effect of the system decreases slowly. Compared with the previous publication, the overall performance is finally improved 1.68% by the new numerical optimization algorithm.

引用

页数：15

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