Automotive Science and Engineering
Iran University of Science & Technology
Sun, Jul 28, 2024
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Volume 9, Issue 2 (6-2019)
ASE 2019, 9(2): 2949-2957 |
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kakaee A, karami M. Comparison of different turbulence models in a high pressure fuel jet. ASE 2019; 9 (2) :2949-2957
URL: http://www.iust.ac.ir/ijae/article-1-483-en.html
URL: http://www.iust.ac.ir/ijae/article-1-483-en.html
Iran University of Science and Technology
Abstract: (18877 Views)
In this study, modeling of a fuel jet which has been injected by high pressure into a low-pressure tank are investigated. Due to the initial conditions and the geometry of this case and similar cases (like CNG injectors in internal combustion engines (ICE)), the barrel shocks and Mach disk are observed. Hence a turbulence and transient flow will be expected with lots of shocks and waves. According to the increasing usage of this type of injectors in ICE, more studies should be conducted to find the most accurate and beneficial models for modeling this phenomenon.
In order to find an accurate and beneficial turbulence model ,in this study, three Reynolds-averaged Navier–Stokes (RANS) turbulence models (SST k-ω, RNG and standard k
Keywords: High-pressure injection, Turbulence models, Reynolds-averaged Navier-Stokes ( RANS), large eddy simulation (LES), Mach disk, Fuel jet
Type of Study: Research |
Subject:
Internal Combustion Engines (ICE, ...)
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