Volume 8, No. 3, May 2019

General Information

  • ISSN: 2278-0149 (Online)
  • Abbreviated Title:  Int. J. Mech. Eng. Robot. Res.  
  • Editor-in-Chief: ​Prof Richard (Chunhui) Yang, Western Sydney University, Australia
  • Associate Editor: Prof. B.V. Appa Rao, Andhra University; Prof. Ian R. McAndrew, Capitol Technology University, USA
  • Managing Editor: Murali Krishna. B
  • DOI: 10.18178/ijmerr
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International Journal of Mechanical Engineering and Robotics Research
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Experimental Investigation of Phase-Separation Effectiveness of Combined Impacting Tee Junctions

Samina Noor and Hassan M. Soliman
University of Manitoba/Mechanical Engineering, Winnipeg, Canada

Abstract—An experimental investigation was conducted with a novel system of two combined vertical impacting tee junctions in order to study the phase-separation capability of the system for air-water two-phase flows. The idea was to extend the range of inlet conditions (inlet gas and liquid superficial velocities, JG1 and JL1, respectively) under which full separation of phases can be achieved, using only impacting tee junctions. Beyond the range of full separation, the effect of JG1 and JL1 on phase-separation effectiveness in the annular flow regime was studied for the entire range of gas extraction ratios (0 to 1). Data were obtained at a nominal pressure of 200 kPa (abs) and ambient temperature, with equal-sided tee junctions of internal diameter 13.5 mm. Results show that, compared to a system with a single impacting tee junction, the present design nearly doubles the JL1, at a fixed JG1 and JG1 at a fixed JL1, under which full separation of phases takes place. In the annular flow regime, decreasing JG1 or JL1 affects phase redistribution in a way that increases effectiveness of phase separation. A ‘separation parameter’, η has been defined to quantify this effect. 
 
Index Terms—two-phase flow, multiple vertical impacting tee junctions, full separation, partial separation, phase-separation parameter

Cite: Samina Noor and Hassan M. Soliman, "Experimental Investigation of Phase-Separation Effectiveness of Combined Impacting Tee Junctions," International Journal of Mechanical Engineering and Robotics Research, Vol. 8, No. 3, pp. 333-339, May 2019. DOI: 10.18178/ijmerr.8.3.333-339