Evaluation of Predicted Heat Transfer on a Transonic Vane Using v2-f Turbulence Models

Wu, Hangbin; Wang, Jiao; Tao, Zhi

doi:10.1299/jtst.6.424

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Cooling Effectiveness1

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2013

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“…where is the mainstream hot gas inlet temperature, which is a fixed value for calculation of the adiabatic cooling effectiveness of any location, and is the temperature of the coolant, which is assigned as a constant of 300 K in this issue. aw is the adiabatic wall temperature [21].…”

Section: Cooling Effectivenessmentioning

confidence: 99%

Numerical Simulation on the Effect of Turbulence Models on Impingement Cooling of Double Chamber Model

et al. 2013

Mathematical Problems in Engineering

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Investigation of the effects of impingement cooling for the different turbulence models and study of the aerodynamic behavior of a simplified transition piece model (TP) are the two themes of this paper. A model (double chamber model) of a one-fourth cylinder is designed which could simulate the transition piece structure and performance. The relative strengths and drawbacks of renormalization group theoryk-ε(RNG), the realizablek-ε(RKE), thev2-f, the shear stress transportk-ω(SST), and large-eddy simulation (LES) models are used to solve the closure problem. The prediction of the inner wall temperature, cooling effectiveness, and velocity magnitude contours in various conditions are compared in five different turbulence models. Surprisingly, thev2-fand SST models can produce even better predictions of fluid properties in impinging jet flows. It is recommended as the best compromise between solution speed and accuracy.

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Section: Cooling Effectivenessmentioning

confidence: 99%

Numerical Simulation on the Effect of Turbulence Models on Impingement Cooling of Double Chamber Model

et al. 2013

Mathematical Problems in Engineering

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Evaluation of Predicted Heat Transfer on a Transonic Vane Using v2-f Turbulence Models

Abstract: In this study, three dimensional numerical simulations of fluid and heat transfer on the transonic vane have been performed using v 2 -f turbulence model.

Cited by 1 publication

References 24 publications

Numerical Simulation on the Effect of Turbulence Models on Impingement Cooling of Double Chamber Model

Numerical Simulation on the Effect of Turbulence Models on Impingement Cooling of Double Chamber Model

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