NDLI: A Correlation-Based Transition Model Using Local Variables: Part I

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Menter, F. R. Langtry, R. B. Likki, S. R. Suzen, Y. B. Huang, P. G. Vo¨lker, S.
Copyright Year	2004
Abstract	A new correlation-based transition model has been developed, which is based strictly on local variables. As a result, the transition model is compatible with modern CFD approaches such as unstructured grids and massive parallel execution. The model is based on two transport equations, one for intermittency and one for the transition onset criteria in terms of momentum thickness Reynolds number. The proposed transport equations do not attempt to model the physics of the transition process (unlike e.g. turbulence models), but form a framework for the implementation of correlation-based models into general-purpose CFD methods. Part I (this part) of this paper gives a detailed description of the mathematical formulation of the model and some of the basic test cases used for model validation, including a 2-D turbine blade. Part II of the paper details a significant number of test cases that have been used to validate the transition model for turbomachinery and aerodynamic applications. The authors believe that the current formulation is a significant step forward in engineering transition modeling, as it allows the combination of correlation-based transition models with general purpose CFD codes.
Sponsorship	International Gas Turbine Institute
Starting Page	57
Ending Page	67
Page Count	11
File Format	PDF
ISBN	0791841693
DOI	10.1115/GT2004-53452
e-ISBN	0791837394
Volume Number	Volume 4: Turbo Expo 2004
Conference Proceedings	ASME Turbo Expo 2004: Power for Land, Sea, and Air
Language	English
Publisher Date	2004-06-14
Publisher Place	Vienna, Austria
Access Restriction	Subscribed
Subject Keyword	Turbulence Turbine blades Computational fluid dynamics Model validation Reynolds number Momentum Turbomachinery Modeling Physics
Content Type	Text
Resource Type	Article

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