Thermodynamic Performance Assessment of Solar Based Closed Brayton Cycle for Different Supercritical Fluids

被引：3

作者：

Erdogan, Anil ^{[1
]}

Kizilkan, Onder ^{[2
]}

Colpan, C. Ozgur ^{[3
]}

机构：

[1] Dokuz Eylul Univ, Grad Sch Nat & Appl Sci, Izmir, Turkey

[2] Isparta Univ Appl Sci, Fac Technol, Dept Energy Syst Engn, Isparta, Turkey

[3] Dokuz Eylul Univ, Fac Engn, Dept Mech Engn, Izmir, Turkey

来源：

2019 4TH INTERNATIONAL CONFERENCE ON SMART AND SUSTAINABLE TECHNOLOGIES (SPLITECH) | 2019年

关键词：

closed Brayton cycle; parabolic trough solar collector; thermodynamic modeling; supercritical fluids; SYSTEM; DESIGN;

D O I：

10.23919/splitech.2019.8783142

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this study, a comprehensive analysis for solar based closed Brayton cycle is carried out for different supercritical working fluids. For this aim, a mathematical model is developed in order to investigate the performance of the closed Brayton cycle. Then, a parametric study is performed to identify the effect of compression ratio, working fluid type, and solar irradiation on the performance of the system. A mathematical model is also used for parabolic trough solar collector. The designing and modeling equations are solved in the Engineering Equation Solver environment. The results show that R744 is most suitable working fluid for increasing the performance among the other types of cycle working fluids. The results of this study are intended to guide researchers who work on thermodynamic analysis of Brayton cycles to design these systems more efficiently.

引用

页码：440 / 444

页数：5

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