Study on Energy Efficiency of a Low Temperature Refrigeration System

Lin Wang; Xiao Long Cui; Ying Ying Tan; Yu Wang

doi:10.4028/www.scientific.net/AMM.71-78.292

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Study on Energy Efficiency of a Low Temperature...

Study on Energy Efficiency of a Low Temperature Refrigeration System

Abstract:

Based on conservation of mass, total mass balance equation and component mass balance equation, mathematical models of thermodynamic for the auto cascade refrigeration cycle are established. Thermophysical properties in solving the governing equation are called from the NIST REFPROP7.0. Thermodynamic properties of the auto cascade refrigeration cycle using binary mixtures, namely, R170/R290, R23/R227ea, R116/R134a, R23/R134a, R170/R600a, R170/R600 and R170/R152a as refrigerants is evaluated. R170/R600a is selected for the low temperature refrigeration system, and the influences of cycle mole fraction, compression ratio and evaporating pressure on the cycle performance are analysed.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

292-295

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.292

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Online since:

July 2011

Authors:

Lin Wang, Xiao Long Cui, Ying Ying Tan, Yu Wang

Keywords:

Coefficient of Performance (COP), Mixed Refrigerant, Mole Fraction, Refrigeration

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References

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