978-620-0-11502-7

Experimental analysis of flow structures: A low-operated pressure RHVT

Monitoring of regime distribution behavior inside a commercial Ranque-Hilsch vortex tube

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Summary:

Ranque-Hilsch vortex tube (RHVT) is an equipment that sequestrated a single stream flow of fluid (gas) into two different flows simultaneously, one hotter than the inlet and one cooler. Traditionally vortex tubes are mostly operated at high entrance pressures (>10 psig) and always used for cooling operations. There are semi-industrial and industrial usages which can lead to unused pressurized gases. Vortex tube energy separation can be used as a waste pressure energy recovery method from high and low pressure references (sources). In various industrial systems, magnitudes of waste pressure may be lower but may have significant mass flow rates. Hence it is important to make sure that vortex tube provides the required energy separation while harnessing the low pressure but high mass flow rate waste energy and utilizes it for not only cooling but also for heating purposes. Our recent experimental observations show that in the low inlet pressure regime (<10 psig); vortex tubes behave differently and produce multiple flow structures rather than expected recirculating cold stream and the columnar hot stream type of flow (simply “Vortex Tube flow” or VT-flow).

Author:

Mohammad Ali Ghayyem

Biographie:

Mohammad Ali Ghayyem was born on 1961, holds Phd degree in chemical engineering, member of scientific faculty of petroleum university of technology , abadan, chairman of gas engineering department of ahwaz, was former chairman of petropars company, project manager of development plans for falat iran company, national iranian south oilfields company

Author:

Ali Heydari

Biographie:

Author:

Adib Bazgir

Biographie:

Number of Pages:

52

Book language:

English

Published On:

2019-05-27

ISBN:

978-620-0-11502-7

Publishing House:

LAP LAMBERT Academic Publishing

Keywords:

Ranque-Hilsch vortex tube (RHVT), Fluid Flow structure, Frictional coefficient (k) effect, Back pressure effect (Pb), Hysteresis behavior, Linear and Non-behavior

Product category:

TECHNOLOGY / Electricity