Journal ArticleDOI
CFD simulation of straight and slightly swirling turbulent free jets using different RANS-turbulence models
TLDR
In this article, a detailed analysis of the flow field of a straight and a slightly rotating turbulent free jet both experimentally and by means of CFD simulation with various turbulence models is presented.About:
This article is published in Applied Thermal Engineering.The article was published on 2015-10-05. It has received 51 citations till now. The article focuses on the topics: K-epsilon turbulence model & K-omega turbulence model.read more
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Numerical investigation on the effect of ambient pressure on smoke movement and temperature distribution in tunnel fires
TL;DR: In this paper, a series of simulations are conducted in a full scale road tunnel to explore the effect of ambient pressure on smoke movement and temperature distribution in tunnel fires, and a uniform correlation of longitudinal smoke temperature extended to low pressure conditions is proposed.
Journal ArticleDOI
Effect of different turbulence models on combustion and emission characteristics of hydrogen/air flames
TL;DR: In this paper, a three-dimensional micro combustor model was built to investigate impact of various turbulence models on combustion and emission behavior of studied hydrogen/air flames, and performance evaluation of these models was executed by examining combustor outer wall temperature distribution; combustor centerline temperature, velocity, pressure, species and NOx profiles.
Journal ArticleDOI
Turbulence modeling effects on the CFD predictions of flow over a NASCAR Gen 6 racecar
TL;DR: In this article, a full-scale NASCAR Gen 6 Cup car was simulated using three commonly used eddy viscosity turbulence models, viz. the realizable and AKN k − e, and SST k − ω.
Journal ArticleDOI
Comparison of the gas exchange of a loop scavenged free-piston engine alternator and the conventional engine
Chenheng Yuan,Haigen Ren,Jing Xu +2 more
TL;DR: In this article, the authors compared the gas exchange performance of a two-stroke, loop scavenged, diesel FPEA and a corresponding conventional reciprocating engine through numerical modeling.
Journal ArticleDOI
Numerical Investigation on the Influence of Length–Width Ratio of Fire Source on the Smoke Movement and Temperature Distribution in Tunnel Fires
TL;DR: In this paper, a numerical investigation is conducted to explore the effect of fire source shape on the smoke movement and temperature distribution in a full scale road tunnel, where the area of fire was fixed with the length-width ratio (n) varying from 1 to 11 and the heat release rate (HRR) of the fire source varying from 5MW to 15MW.
References
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Two-equation eddy-viscosity turbulence models for engineering applications
TL;DR: In this paper, two new two-equation eddy-viscosity turbulence models are presented, which combine different elements of existing models that are considered superior to their alternatives.
Book
Turbulence modeling for CFD
TL;DR: In this paper, the authors proposed a compressible ecoulement for compressible ECCs, based on the disquette reference record created on 2005-11-18, modified on 2016-08-08.
Book
Computational Fluid Dynamics: A Practical Approach
TL;DR: The only course text available that is specifically designed to give an applications lead, software oriented approach to understanding and using CFD is as discussed by the authors, which is coupled with a complete grounding in the necessary mathematical principles of CFD.
Book
Fundamentals of computational fluid dynamics
TL;DR: In this article, the authors present a general generalized Eigensystem for simple tridiagonal matrices and a semi-discrete approach to choose a time-Marching method.
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