An Experimental Study on the Effectiveness of Propane and its Blends with Isobutane in Hermetically-Sealed Refrigerating System

International Journal of Mechanical Engineering

© 2025 by SSRG - IJME Journal

Volume 12 Issue 1

Year of Publication : 2025

Authors : Swayam Prakash Kutar, Anmesh Kumar Srivastava, Prakash Chandra

10.14445/23488360/IJME-V12I1P103

How to Cite?

Swayam Prakash Kutar, Anmesh Kumar Srivastava, Prakash Chandra, "An Experimental Study on the Effectiveness of Propane and its Blends with Isobutane in Hermetically-Sealed Refrigerating System," SSRG International Journal of Mechanical Engineering, vol. 12,  no. 1, pp. 24-29, 2025. Crossref, https://doi.org/10.14445/23488360/IJME-V12I1P103

Abstract:

Research into alternate alternatives has been prompted by worries about the environmental impact of conventional refrigerants. Despite the potential flammability risks of hydrocarbon-based refrigerants, a large body of associated literature exists. This work comprises a comparative study between propane (R290) and its blends with isobutane (R600a) in varying proportions (2% to 50% of the isobutane). Important information about the possibility of employing these blends as environmentally benign substitutes for conventional refrigerants is provided by the observation. In particular, it takes almost half an hour for the evaporator temperature to reach 2.9°C when R290 is utilized alone. On the other hand, under the same ambient temperature of 31°C, the evaporator temperature lowers to -3.2°C in just 24 minutes when R290 and an equivalent amount of R600a are combined.

Keywords:

Climate change, Isobutane, Flammability, Refrigerants, Sustainability.

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