Abstract
The Vapor Compression Refrigeration System (VCRS) uses a circulating refrigerant as the medium which absorbs and removes heat from the space to be cooled and subsequently rejects that heat elsewhere. Capillary tubes are commonly used as expansion device, serving almost all small refrigeration systems to reduce the pressure and temperature of the refrigerant and to regulate the flow of refrigerant to the evaporator. Objective of this research is to develop an analytical method for computing the length of capillary tube required for a specified reduction in temperature and to determine various thermodynamic and transport properties for refrigerant fluids and mixtures viz. R22, R427A, R407C, R32, R410A, available in REFPROP database and perform a comparative analysis. For achieving this objective, a mathematical model is developed using the integration of MATLAB and REFPROP software programs.
Published Version
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