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Title: Theoretical and Experimental Studies on Oil Injected Twin Screw Air Compressor When Compressing Different Light and Heavy Gases
Authors: Seshaiah, N
Sahoo, R K
Sarangi, S K
Keywords: screw compressor,
gas delivery rate,
oil injection temperature,
working gas,
volumetric efficiency,
adiabatic efficiency
Issue Date: 2010
Publisher: Elsevier
Citation: Journal of Applied Thermal Engineering. Volume 30, Issue 4, March 2010, Pages 327-339
Abstract: Oil injected twin-screw compressors are widely used for medium pressure applications in many industries. Low cost air compressors can be adopted for compression of helium and other gases, leading to significant cost saving. The efficiency, delivery rate of the compressors (medium and small size) has been analyzed and presented in the study. The heat transfer coefficient required to generate the theoretical efficiencies has been determined experimentally. To generate machine independent experimental data, two similar compressors with different capacities have been built to test the performance of air compressors when applied to compress nitrogen, argon and helium gases apart from air. Also this paper addresses the gas delivery rate and heat of compression (temperature) on volumetric and power efficiency.
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