NDLI: Improving the Performance of Cooling Water Systems Using Exergy Analysis: A Novel Approach

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Panjeshahi, Mohammad Hassan Gharaie, Mona Ahmadi, Lena
Copyright Year	2009
Abstract	Circulating cooling water systems almost serve all the operations of industrial plants where there is requirement of an external heat sink for heat removal and temperature control. Research on cooling systems focused on the energy analysis of individual components, cooling tower and heat exchanger network. However, the energy concept, alone is insufficient to describe the energy efficiency of the whole system. In this study, the exergy analysis is applied to evaluate the performance of the circulating cooling water system. To achieve this objective, the exergy destruction of the cooling tower and heat exchanger network in terms of different operational conditions are investigated. The results indicated that the exergy destruction in the cooling tower is increased by increasing the cooling tower inlet temperature; whereas the exergy destruction of the heat exchanger network decreases. Therefore, the problem of cooling water system for performance evaluation becomes an optimisation problem to search for the minimum exergetic destruction. Additionally, the second law efficiency of the cooling tower and water network is studied through the exergetic analysis.
Starting Page	559
Ending Page	563
Page Count	5
File Format	PDF
ISBN	9780791843796
DOI	10.1115/IMECE2009-12646
e-ISBN	9780791838631
Volume Number	Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability
Conference Proceedings	ASME 2009 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2009-11-13
Publisher Place	Lake Buena Vista, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Performance evaluation Cooling water system Exergy analysis Optimization Thermal behavior Water Cooling
Content Type	Text
Resource Type	Article

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