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Vol. 102, Issue 3, March 2009, pp.94-104





Experimental and Computational Study of Two-phase (Air–Palm Oil) Flow through Pipe and Control Valve in Series


Arivazhagan M., Pugalenthi, Krishna Karthik K., Rani Hemamalini, *Sundaram S.

Department of Chemical Engineering, National Institute of Technology, Tiruchirapalli-620015, India

*Department of electronics and instrumentation, SASTRA, Thanjavur, India

Tel.: +91431-2503111, +919487412478

E-mail: ariva@nitt.edu



Received: 16 October 2008   /Accepted: 24 March 2009   /Published: 31 March 2009


Abstract: The contact of two or more immiscible liquids is encountered widely in the chemical and petroleum industries. Studies on operating characteristics of control valves with two phase flow have not been given much attention in the literature despite its industrial importance during design and selection as well as plant operations .The present work attempts to study experimentally the effect of two phase flow on pressure drop across pipe and control valve in series and compare with simulated results. Two-phase computational fluid dynamics (CFD) calculations, using commercial CFD package FLUENT 6.2.16, were employed to calculate the simulated the pressure drop in Air–Palm oil flow in pipes and control valves. The Air flow rate varied from 25 to100 l/h flow rate. For constant valve position and Air flow rate, the Palm oil flow rate was varied from 50 to 150 l/h. The numerical results were validated against experimental data. The prediction of the pressure drop characteristics in pipe and valve were within an average error of about ± 3 %. A comparison of experimental and computed profiles was found to be in good agreement.


Keywords: Air-Palm oil, Two phase flow, Pressure drop, CFD modeling, Fluent


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