共沸二元混合物对单级制冷系统性能的影响

IF 1.1 4区工程技术 Q4 Engineering High Temperatures-high Pressures Pub Date : 2022-01-01 DOI:10.32908/hthp.v51.1185

Leila Benbia, Saida Fedali, C. Bougriou, H. Madani

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引用次数: 0

摘要

目前的研究涉及在单级蒸汽压缩制冷系统配置中使用共沸混合物，以确定夹带比对性能系数的影响。采用三种单级蒸汽压缩制冷系统配置。研究了冷凝器和蒸发器温度对单级制冷系统的影响。所使用的共沸混合物为:R1234yf + R290、R1234yf + R152a、R1234yf + R600a、R134a + R290、R134a + R600a和R1270 + R134a。结果表明，模拟结果与文献吻合较好。制冷循环中R1234yf + R290混合物的性能系数和夹带比最高。性能系数(COP)随夹带比的增大而增大。

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Influence of azeotropic binary mixtures on single-stage refrigeration system performance

The current study concerns the use of azeotropic mixtures in single-stage vapor compression refrigeration system configurations to determine the effect of entrainment ratio on the coefficient of performance. Three singlestage vapor compression refrigeration system configurations are used. The effects of condenser and evaporator temperatures on the single-stage refrigeration system are investigated. The used azeotropic mixtures are: R1234yf + R290, R1234yf + R152a, R1234yf + R600a, R134a + R290, R134a + R600a and R1270 + R134a. It is shown that the simulations results are in good agreement with the literature. The R1234yf + R290 mixture in refrigeration cycle give the highest coefficient of performance and entrainment ratio. The coefficient of performance (COP) increases with increasing of entrainment ratio.

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来源期刊

High Temperatures-high Pressures THERMODYNAMICS-MECHANICS

CiteScore

1.00

自引率

9.10%

发文量

期刊介绍： High Temperatures – High Pressures (HTHP) is an international journal publishing original peer-reviewed papers devoted to experimental and theoretical studies on thermophysical properties of matter, as well as experimental and modelling solutions for applications where control of thermophysical properties is critical, e.g. additive manufacturing. These studies deal with thermodynamic, thermal, and mechanical behaviour of materials, including transport and radiative properties. The journal provides a platform for disseminating knowledge of thermophysical properties, their measurement, their applications, equipment and techniques. HTHP covers the thermophysical properties of gases, liquids, and solids at all temperatures and under all physical conditions, with special emphasis on matter and applications under extreme conditions, e.g. high temperatures and high pressures. Additionally, HTHP publishes authoritative reviews of advances in thermophysics research, critical compilations of existing data, new technology, and industrial applications, plus book reviews.