不同国际气候带双模蒸发冷却器的能源、能源和经济评价

IF 1.5 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
Sarvesh Kashyap, J. Sarkar, Amitesh Kumar
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引用次数: 2

摘要

传统的沙漠冷却器在干旱季节是有效的,再生式蒸发冷却器(REC)是复合气候带湿润季节的有效装置。因此,双模式蒸发冷却器(二合一装置)是空调的一种智能选择,它可以根据季节气候条件以直接和再生模式运行。对这种新型装置进行了全球气候条件下的能源和经济分析,以检查其在世界不同地区的适用性。研制了双模蒸发冷却器的实验样机,并对其进行了测试,验证了仿真模型的正确性。对(直接和再生)两种运行模式的有效性、性能系数、火用破坏、火用效率、运行成本和特定总成本(STC)进行了评估。对国际气候带5个城市的双模蒸发冷却器进行了年性能和月性能评价。考虑不同国家的电费,比较两种模式的运行成本。并将双模器件与单模器件进行了比较。在大多数ASHRAE气候带,这两种模式的具体成本相似。本研究表明,使用双模蒸发冷却器可以显著节约能源和成本。实际应用:本文考虑了双模式蒸发冷却器(直接和再生模式)在不同气候区的应用,并通过调查火用和经济性能,使设计人员和操作人员了解在特定气候下采用各种操作模式的潜在好处。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy, exergy and economic assessments of the dual-mode evaporative cooler for various international climate zones
The conventional desert cooler is effective for dry seasons and the regenerative evaporative cooler (REC) is an effective device for humid seasons in composite climate zones. Hence, the dual-mode evaporative cooler (a two-in-one device) is an intelligent choice for air conditioning, which can operate in both direct and regenerative modes depending on the seasonal climatic condition. The exergy and economic analyses of this novel device for global climatic conditions are performed to check the suitability in different regions of the world. An experimental prototype of a dual-mode evaporative cooler is developed and tested to validate the simulation model. The effectiveness, coefficient of performance, exergy destruction, exergy efficiency, operating cost, and specific total cost (STC) are evaluated for both (direct and regenerative) modes of operation. The annual and month-wise performances of dual-mode evaporative cooler have been assessed for five cities of international climate zones. The operating cost of both modes is compared by considering electricity charges in different countries. The dual-mode device is compared with the single-mode device as well. The specific cost is similar for both modes in most of the ASHRAE climatic zones. The present study reveals that significant energy and cost savings are possible by using the dual-mode evaporative cooler. Practical application: This article considers the application of a dual-mode evaporative cooler (direct as well as regenerative mode) in different climate zones and, through investigating the exergy and economic performances, allows designers and operators to understand the potential benefits of employing various operating modes in particular climates.
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来源期刊
Building Services Engineering Research & Technology
Building Services Engineering Research & Technology 工程技术-结构与建筑技术
CiteScore
4.30
自引率
5.90%
发文量
38
审稿时长
>12 weeks
期刊介绍: Building Services Engineering Research & Technology is one of the foremost, international peer reviewed journals that publishes the highest quality original research relevant to today’s Built Environment. Published in conjunction with CIBSE, this impressive journal reports on the latest research providing you with an invaluable guide to recent developments in the field.
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