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research-article

Experimental studies on the effect of suction chamber angle on the entrainment of passive fluid in a steam ejector

[+] Author and Article Information
Ramesh A S

Department of Mechanical Engineering, St. Xavier's Catholic College of Engineering, Nagercoil, Tamil Nadu, India - 629003
asrameshg7@gmail.com

Joseph Sekhar S

Department of Mechanical Engineering, St. Xavier's Catholic College of Engineering, Nagercoil, Tamil Nadu, India - 629003
josephsekhar@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4037692 History: Received March 24, 2017; Revised August 10, 2017

Abstract

In this experimental study, the impact of Suction Chamber Angle (SCA) on the entrainment ratio of a steam ejector refrigeration system of 700 W was investigated. The basic dimensions of the ejector were derived from the compressible fluid flow equations using MatLab. The system was tested with 6 different suction chamber angles with various operating conditions, and its performance was analysed. It is inferred that the entrainment of passive fluid from the evaporator is the strong function of the SCA. For all the active steam pressures, the entrainment of the passive fluid increased up to 12° of SCA and above that the performance decreased significantly. Optimum angle of suction chamber increases the entrainment ratio for at least 49.96%. It is also found that the SCA has a minor influence on the back pressure.

Copyright (c) 2017 by ASME
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