Numerical predictions of internal flow through pressure swirl atomizer

Saurabh B  Dikshit; Digvijay Kulshreshtha  and S  A  Chaniwala

doi:10.17485/ijst/2011/v4i2.1

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Numerical predictions of internal flow through pressure swirl atomizer

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2011/v4i2.1

Year: 2011, Volume: 4, Issue: 2, Pages: 72-75

Original Article

Numerical predictions of internal flow through pressure swirl atomizer

Saurabh B. Dikshit^{1 *} , Digvijay Kulshreshtha² and S. A. Chaniwala³

^1,2 Mechanical Engineering Department, C. K. Pithawalla College of Engineering and Technology, Surat–395 007, India
³ Mechanical Engineering Department, S. V. National Institute of Technology, Surat–395 007, India. [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Pressure swirl atomizers are used in a wide range of applications. The three dimensional model of atomizer is numerically investigated with the primary focus of the analysis on the internal flow characteristics in the pressure swirl atomizer. The variation of the pressure x, y and z–component of velocity along the length of the pressures swirl atomizer has been studied at different injection pressure of 6, 9, 12, 15 and 18 bar using commercial CFD code. The two-fluid Euler/Euler method is considered for the flow inside the atomizer.

Keywords: Numerical simulations, atomization, pressure swirl atomizer, velocity distributions, pressure distributions.