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NUMERICAL INVESTIGATION OF JET EJECTORS

Author(s):

BHATT PRATIKKUMAR PRAKASHCHANDRA , L.J.I.T. , SARKHEJ , AHMEDABAD.; Dr. Gajendra N. Asthana, L.J.I.T. , Sarkhej , Ahmedabad.

Keywords:

Primary nozzle, diffuser, motive fluid, Mach no. , throat.

Abstract

Jet ejectors are the simplest devices among all compressors and vacuum pumps. They do not contain any moving parts, lubricants or seals; therefore, they are highly reliable devices with low capital and maintenance costs and also energy saving device. Furthermore, most jet ejectors use steam or compressed air as the motive fluid, which are easily found in chemical plants. Due to their simplicity and high reliability, they are widely used in chemical industrial processes; however, jet ejectors have a low efficiency. In this paper available standard manufacturer design and experiment data of jet ejector system is used and mathematical model for jet ejector design is solved with solution algorithm. The outcomes of this mathematical model is in the form of discharge pressure of diffuser, throat dia. of nozzle , exit dia. of nozzle and throat dia. of diffuser and this is compared with available design and experiment data. So we can check reliability of this mathematical model for jet ejector design.

Other Details

Paper ID: IJSRDV2I3234
Published in: Volume : 2, Issue : 3
Publication Date: 01/06/2014
Page(s): 1267-1270

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