Solar driven double-effect absorption cycles for sub-zero temperatures

被引：32

作者：

Vasilescu, Catalina ^{[1
]}

Ferreira, Carlos Infante ^{[1
]}

机构：

[1] Delft Univ Technol, NL-2628 CA Delft, Netherlands

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2014年 / 39卷

关键词：

Solar absorption; Double-effect absorption cycle; Parallel flow; Ammonia-lithium nitrate; Simulation; AMMONIA-LITHIUM-NITRATE; EFFECT PARALLEL-FLOW; HEAT-PUMPS; REFRIGERATION SYSTEM; COOLING SYSTEMS; PERFORMANCE; CHILLER; DESIGN; ENERGY;

D O I：

10.1016/j.ijrefrig.2013.09.034

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a theoretical study of a solar driven double-effect absorption system with ammonia lithium nitrate for sub-zero evaporation temperatures. The performance of a double-effect parallel flow ammonia based absorption system with lithium nitrate as absorbent is investigated. This includes the determination of the effect of the strong solution distribution on performance. A ratio of 0.65 appears to be the most advantageous. The paper also presents the dynamic performance of a double-effect ammonia-lithium nitrate absorption system driven by solar energy under Mediterranean summer conditions. The solar energy is obtained by horizontal N-S parabolic trough solar collectors because they can deliver high temperatures that are required to drive the double-effect absorption system. Simulations of the solar absorption systems with a hot storage are performed in order to supply the cooling load of a pork slaughterhouse with maximum cooling load of 600 kW. (C) 2013 Elsevier Ltd and HR. All rights reserved.

引用

页码：86 / 94

页数：9

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