Numerical Study on the Flow Structure of a Steam-Jet Vacuum Pump at Different Throat Length

Xiao Chun Dai

doi:10.4028/www.scientific.net/AMR.542-543.1053

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 542-543Numerical Study on the Flow Structure of a...

Numerical Study on the Flow Structure of a Steam-Jet Vacuum Pump at Different Throat Length

Abstract:

The aim of the study is to reveal the complication of the flow process of a steam-jet by using the simulation software package (FLUENT). The paper is able to analyze the flow phenomena inside the steam-jet when its throat length was varied. It is found that the entrainment ratio remains unchanged when the throat length is varied. It is also found that the shocking position moved closer to the exit of the vacuum pump and the critical back pressure of the steam-jet pump increased with the elongation of the throat.

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Periodical:

Advanced Materials Research (Volumes 542-543)

Pages:

1053-1056

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.542-543.1053

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Online since:

June 2012

Authors:

Xiao Chun Dai

Keywords:

CFD Simulation, Flow Structure, Steam-Jet Pump, Throat Length

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