Thermodynamic analysis of a novel combined power and refrigeration cycle comprising of EKalina and ejector refrigeration cycles

被引：25

作者：

Behnam, Pooria ^{[1
,2
]}

Faegh, Meysam ^{[3
]}

Shafii, Mohammad Behshad ^{[3
]}

机构：

[1] Islamic Azad Univ, Dept Energy Engn, Sci & Res Branch, Tehran, Iran

[2] SERI, Tehran, Iran

[3] Sharif Univ Technol, Dept Mech Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2019年 / 104卷

关键词：

Combined power and refrigeration; Kalina cycle with ejector (EKalina cycle); Ejector refrigeration; Two-phase ejector; Ammonia-water; Thermodynamic analysis; ORGANIC RANKINE-CYCLE; KALINA CYCLE; THERMOECONOMIC ANALYSIS; PARAMETRIC ANALYSIS; ABSORPTION POWER; EXERGY ANALYSIS; FRESH-WATER; SYSTEM; DRIVEN; OPTIMIZATION;

D O I：

10.1016/j.ijrefrig.2019.06.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A novel combined power and refrigeration cycle is introduced and analyzed from the thermodynamic standpoint. The proposed cycle is an integration of a Kalina cycle equipped with an ejector (EKalina) and an ejector refrigeration cycle (ERC). In order to enhance the overall cycle performance, the possibility of employing two-phase ejectors in combined power and refrigeration cycles is studied. A parametric analysis is conducted to investigate the effects of the key thermodynamic parameters namely turbine inlet pressure, split ratio, basic ammonia concentration, heat source and evaporator temperatures on the cycle performance. The developed model is also verified with available data and it is indicated that the mentioned parameters have significant effects on the thermodynamic performance of the system. Moreover, results indicate that the proposed cycle exhibits higher exergetic performance compared to former combined power and refrigeration cycles. (C) 2019 Elsevier Ltd and IIR. All rights reserved.

引用

页码：291 / 301

页数：11

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