探索使用 R515B/R170 制冷剂的多蒸发器级联制冷系统的性能：实验研究

IF 6.9 2区环境科学与生态学 Q1 ENGINEERING, CHEMICAL

Process Safety and Environmental Protection Pub Date : 2024-10-29 DOI:10.1016/j.psep.2024.10.096

Parthiban Kasi, M. Cheralathan

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引用次数: 0

摘要

本研究对多蒸发器级联制冷系统（MECRS）的能源和环境性能进行了实验分析，该系统在高温循环（HTC）中使用共沸制冷剂 R515B，在低温循环（LTC）中使用天然制冷剂 R170（乙烷），以促进作为制冷行业可持续发展目标（SDGs）的绿色制冷计划（GCI）第二阶段的实现。在 MECRS 的低温循环中，使用了三种不同的蒸发器，每种蒸发器都具有独特的冷却效果和温度，同时使用相同的制冷剂。MECRS 已根据替代制冷剂的热物理性质对 LTC 蒸发器中的超低温（ULT）进行了测试。每个 MECRS 压缩机的功耗从 0.252 千瓦到 1.784 千瓦不等，而系统的总功耗则从 0.605 千瓦时到 0.715 千瓦时不等。实验分析表明，MECRS 的 COP 为 1.06 至 1.662。总等效升温影响（TEWI）分析结果表明，与传统制冷剂相比，碳排放量减少了 15%。这项研究通过实验得出了有希望的 GCI 值和更高的能源参数。研究表明，与传统制冷剂相比，R515B 适合替代 HTC 制冷剂，R170 适合替代 LTC 制冷剂。

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Exploring the performance of a multi–evaporator cascade refrigeration system with R515B/R170 refrigerants: An experimental study

This study presents the experimental analysis of the energy and environmental performance of a Multiple Evaporator Cascade Refrigeration System (MECRS) employing an azeotropic refrigerant called R515B for the high temperature cycle (HTC) and natural refrigerant called R170 (Ethane) for the low temperature cycle (LTC) to promote Green Cooling Initiatives (GCI) phase II as a sustainable development goals (SDGs) in refrigeration sector. In MECRS's low temperature cycle, three distinct evaporators are deployed, each featuring unique cooling effects and temperatures while utilizing the same refrigerant. The MECRS have been tested based on thermo-physical properties of alternative refrigerants to ultra-low temperature (ULT) in LTC evaporator. Each MECRS compressors exerts work ranging from 0.252 kW to 1.784 kW, while the system's overall power consumption ranges from 0.605 kWh to 0.715 kWh. Experimental analysis demonstrates a COP for the MECRS ranging from 1.06 to 1.662. As a result of Total equivalent warming impact (TEWI) analysis, a 15 % reduction in carbon emissions realised compared to conventional refrigerants. This study gives promising output of GCI and enhanced energy parameter through experimentation. This study indicates that R515B as the suitable replacement for HTC refrigerant and R170 for LTC refrigerant when compared to traditional refrigerants.

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来源期刊

Process Safety and Environmental Protection 环境科学-工程：化工

CiteScore

11.40

自引率

15.40%

发文量

929

审稿时长

8.0 months

期刊介绍： The Process Safety and Environmental Protection (PSEP) journal is a leading international publication that focuses on the publication of high-quality, original research papers in the field of engineering, specifically those related to the safety of industrial processes and environmental protection. The journal encourages submissions that present new developments in safety and environmental aspects, particularly those that show how research findings can be applied in process engineering design and practice. PSEP is particularly interested in research that brings fresh perspectives to established engineering principles, identifies unsolved problems, or suggests directions for future research. The journal also values contributions that push the boundaries of traditional engineering and welcomes multidisciplinary papers. PSEP's articles are abstracted and indexed by a range of databases and services, which helps to ensure that the journal's research is accessible and recognized in the academic and professional communities. These databases include ANTE, Chemical Abstracts, Chemical Hazards in Industry, Current Contents, Elsevier Engineering Information database, Pascal Francis, Web of Science, Scopus, Engineering Information Database EnCompass LIT (Elsevier), and INSPEC. This wide coverage facilitates the dissemination of the journal's content to a global audience interested in process safety and environmental engineering.