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Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   MARCH 2017 , Volume 16 , Number 12 ; Page(s) 525 To 533.
 
Paper: 

COMBINED PRODUCTION OF DISTILLATED WATER AND COOLING BY APPLICATION OF SUPERCRITICAL CARBON DIOXIDE REFRIGERATION IN MULTI-EFFECT-DESALINATION SYSTEMS

 
 
Author(s):  FARSI AIDA, AMERI MEHRAN*, MOHAMMADI SEYED MOHAMMAD HOJJAT
 
* DEPARTMENT OF MECHANICAL ENGINEERING, SHAHID BAHONAR UNIVERSITY OF KERMAN, KERMAN, IRAN
 
Abstract: 

Supercritical carbon dioxide refrigeration is one of the proposed systems to provide extremely low temperatures. The waste heat from the gas-cooler of such systems is noticeable. So, it can be used as a promising heat source in other systems like multi-effect-desalination system (MED), in order to provide cooling and fresh water, simultaneously, as well as noticeable reduction of power consumption. In this paper, the energy analysis and comparison of two novel combined systems are carried out. The combined systems consist of CO2 refrigeration system and two MED's models, the Boosted model and the water pre-heaters (PH) model. The effect of operating parameters such as evaporator temperature, ambient temperature and compressor outlet pressure on system performances are studied as well.
Results showed that for both combined systems, by decreasing the evaporator temperature or increasing the ambient temperature, the coefficient of performance (COP) and the distilled water flow rate, decreases and increases, respectively. On the other hand, increasing the compressor outlet pressure would increase COP and decrease distilled water flow rate up to an optimum point. Also, MED-Boosted could produce more fresh water compared to MED-PH. In order to decrease the power consumption of the combined system two methods are presented. In two compressors method the COP enhances 6.2% compared to the base system (consisting of one compressor and an expansion valve). However, the produced fresh water would be reduced by 60%. On the other hand, the expander method could improve the COP by 23.4%, compared to the base system, while the amount of distillated water decreases less than 8%.

 
Keyword(s): SUPERCRITICAL CARBON DIOXIDE REFRIGERATION, MULTI-EFFECT-DESALINATION, COGENERATION, ENERGY ANALYSIS EXPANDER
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

FARSI, A., & AMERI, M., & MOHAMMADI, S. (2017). COMBINED PRODUCTION OF DISTILLATED WATER AND COOLING BY APPLICATION OF SUPERCRITICAL CARBON DIOXIDE REFRIGERATION IN MULTI-EFFECT-DESALINATION SYSTEMS. MODARES MECHANICAL ENGINEERING, 16(12 ), 525-533. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572878



Vancouver: Copy

FARSI AIDA, AMERI MEHRAN, MOHAMMADI SEYED MOHAMMAD HOJJAT. COMBINED PRODUCTION OF DISTILLATED WATER AND COOLING BY APPLICATION OF SUPERCRITICAL CARBON DIOXIDE REFRIGERATION IN MULTI-EFFECT-DESALINATION SYSTEMS. MODARES MECHANICAL ENGINEERING. 2017 [cited 2021July26];16(12 ):525-533. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572878



IEEE: Copy

FARSI, A., AMERI, M., MOHAMMADI, S., 2017. COMBINED PRODUCTION OF DISTILLATED WATER AND COOLING BY APPLICATION OF SUPERCRITICAL CARBON DIOXIDE REFRIGERATION IN MULTI-EFFECT-DESALINATION SYSTEMS. MODARES MECHANICAL ENGINEERING, [online] 16(12 ), pp.525-533. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572878.



 
 
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