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Başlık: The first and second law analysis of a lithium bromide/water coil absorber
Yazarlar: Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü.
Kaynaklı, Ömer
8387145900
Anahtar kelimeler: Absorption
Concentration (process)
Flow of water
Flow rate
Heat transfer
Lithium compounds
Mass transfer
Water cooling systems
Concentration (process)
Flow of water
Cooling water temperature
Lithium bromide
Water coil absorber
Bromide
Cooling
Countercurrent
Exergy
Heat transfer
Lithium
Thermodynamics
Lithium compounds
Absorption-refrigeration system
Exergy analysis
Heat
Performance
Power
Thermodynamics
Energy & fuels
Yayın Tarihi: May-2008
Yayıncı: Pergamon-Elsevier Science
Atıf: Kaynaklı, Ö. (2008). "The first and second law analysis of a lithium bromide/water coil absorber". Energy, 33(5), 804-816.
Özet: The aim of this paper is to study the irreversibilities in a coil absorber using lithium bromide solution and to determine the variation of the second law efficiency with some variables such as cooling water flow rate, solution flow rate, cooling water temperature and solution concentration. The influence of absorber performance parameters is examined on the basis of the first and second laws of thermodynamics for parallel and counter-current types. In this regard, the heat and mass transfer, the second law efficiency, the magnitude and place of exergy losses in two types of absorbers are estimated and discussed comprehensively. The results showed that increasing the cooling water flow rate and decreasing the cooling water inlet temperature increase the heat and mass transfer, and decrease the second law efficiency. The effect of the solution concentration on the efficiency in general is small. Whereas the irreversibility for the counter-current mode is greater than that of the parallel-current mode, the heat-mass transfer 3-19% and the second law efficiency 1-12% are higher.
URI: https://doi.org/10.1016/j.energy.2008.01.009
https://www.sciencedirect.com/science/article/pii/S0360544208000406
http://hdl.handle.net/11452/25431
ISSN: 0360-5442
Koleksiyonlarda Görünür:Scopus
Web of Science

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