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REFRIGERANTS PERFORMANACE MEASUREMENT FOR COOLING EFFECT UNDER CASCADE SYSTEM: A CASE RESERACH
Pranav Tiwari, Sanjeev Yadav

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 4, Issue-9, pp.33-38, Sep 2017
DPI :-> 16.10046.IJCESR.2017.V4I9.3338.1946



Abstract
The refrigerant in the high temperature circuit gets evaporated in cascade system unit and passes through the HTC compressor. The refrigerant then passes through the HTC condenser where heat is released causing the refrigerant to cool. The refrigerant then passes through the HTC throttling valve, where the fluid expands losing temperature. In the presented research, the simulation model is used to simulate the performance of the system with some adaptations to match the case of the laboratory installation. The system's pressure boundaries, compressor speeds, and the set opinion for superheat in the freezers are input variables into the model, which are then inserted into the performance equations and efficiency curves to estimate energy consumption, cooling capacities, and the efficiencies of different components and the system as a whole. The model was used in calculations for the design and sizing of components, and while running the system the model is used to evaluate. The CO2 compressor is a hermetic scroll with a volumetric efficiency of 90% which is assumed to be constant. The isentropic efficiency is correlated using an estimate from a similar compressor from the equivalent manufacturer the highest isentropic efficiency for the compressor is 64% at a pressure ratio of 2.5.

Key-Words / Index Term
Refrigerant, Cascade System, Performance Valuation.

How to cite this article
Pranav Tiwari, Sanjeev Yadav , “REFRIGERANTS PERFORMANACE MEASUREMENT FOR COOLING EFFECT UNDER CASCADE SYSTEM: A CASE RESERACH”, International Journal of Current Engineering And Scientific Research ( IJCESR), 4, Issue-9, pp.33-38, Sep 2017. DPI:16.10046.IJCESR.V4.I9.1946