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Study of the Impact of Flow Valve Design on the Temperature Separation in the Vortex Tube with Computational Approach

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Fluid Mechanics and Fluid Power, Volume 3 (FMFP 2022)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

The vortex tube is a device which bifurcates the compressed gas into the cold and hot stream and is used as a flow separator. The shape of the hot outlet throttle influences the quality of cold outlet fluid in terms of temperature. This investigation focuses on the optimization of vortex tubes with three different models for throttle valves, namely conical, square, and truncated. ANSYS FLUENT software has been used to simulate flow, considering air as a working fluid for a steady-state, three-dimensional, axisymmetric, counter flow vortex tube. The standard k-ε turbulent model has been considered for the flow simulation. The effect of the shape of the control valve, intake pressure on temperature, and velocity flow has been studied. The truncated shape control valve shows a promising result for thermal performance enhancement among all the geometries considered. The coefficient of performance (COP) of a truncated control valve is highest compared to other models. The computational result of the present study has been validated with experimental data.

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Abbreviations

VT:

Vortex tube

∆Th:

Hot temperature gradient, K

Ts:

Static temperature, K

dc:

Diameter of cold exit, mm

ρ:

fluid density, kg/m3

∆Tc:

Cold temperature gradient, K

k:

Thermal conductivity of intake fluid (W/mK)

D:

Diameter of main tube, mm

Z:

Distance between chambers

L:

Length of vortex tube, mm

ṁc:

Mass flow rate at cold exit, kg/s

µc:

Cold mass fraction

ṁin:

Mass flow rate at inlet, kg/s

γ:

Specific heat ratio

Cp:

Specific heat of fluid, J/kgK

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Authors and Affiliations

  1. Department of Mechanical Engineering, NIT Durgapur, Durgapur, 713209, India

    Ravi Kant Singh, Arunabha Mahato, Achintya Kumar Pramanick & Subhas Chandra Rana

Authors
  1. Ravi Kant Singh
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  2. Arunabha Mahato
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  3. Achintya Kumar Pramanick
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  4. Subhas Chandra Rana
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Corresponding author

Correspondence to Ravi Kant Singh .

Editor information

Editors and Affiliations

  1. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

    Krishna Mohan Singh

  2. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

    Sushanta Dutta

  3. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

    Sudhakar Subudhi

  4. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India

    Nikhil Kumar Singh

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Singh, R.K., Mahato, A., Pramanick, A.K., Rana, S.C. (2024). Study of the Impact of Flow Valve Design on the Temperature Separation in the Vortex Tube with Computational Approach. In: Singh, K.M., Dutta, S., Subudhi, S., Singh, N.K. (eds) Fluid Mechanics and Fluid Power, Volume 3. FMFP 2022. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-6343-0_50

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  • DOI: https://doi.org/10.1007/978-981-99-6343-0_50

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-99-6342-3

  • Online ISBN: 978-981-99-6343-0

  • eBook Packages: EngineeringEngineering (R0)

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