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.
Highlights
Swirling injectors have been widely used in combustion systems such as gas turbine engines, boilers, internal combustion engines and other industrial applications to successfully mix fuel and oxidants with relatively lower injection energy
Lavante et al (2002) performed numerical simulations of internal flow in both 2D and 3D models using the volume of fluid (VOF) method and Buelow et al (2003) used a two-phase VOF technique to simulate the flow through a small-scale pressure-swirl atomizer
R = 1.4 mm lp = 1.11 mm out for the pressure swirl atomizer to study the variation of pressure, axial, radial and do = 0.754 mm ls = 6.71 mm tangential velocity components l = 0.52 mm β = 900 along the length of the atomizer
Summary
Numerical predictions of internal flow through pressure swirl atomizer Saurabh B. Dikshit[1], Digvijay Kulshreshtha[2] and S.
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