INVESTIGATION OF THE EFFECT OF TURBULENCE INTENSITY AND INJECTION ANGLE ON THE FLOW AND TEMPERATURE FIELDS IN THE SINGLE HOLE FILM COOLING TECHNIQUE

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BAZDIDI TEHRANI F.; MAHMOUDI ALI ASGHAR

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Journal: INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN) Year:2002 | Volume:12 | Issue:4 Page(s): 25-38

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Title

INVESTIGATION OF THE EFFECT OF TURBULENCE INTENSITY AND INJECTION ANGLE ON THE FLOW AND TEMPERATURE FIELDS IN THE SINGLE HOLE FILM COOLING TECHNIQUE

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BAZDIDI TEHRANI F. | MAHMOUDI ALI ASGHAR | Issue Writer Certificate

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Abstract

Film cooling technique is currently used in the gas turbine hot sections, such as the combustor wall and the turbine blades, to prevent those sections from failing at elevated temperatures. In the single hole film cooling method, coolant air is injected from a hole into the mainstream and thus the flow is naturally three dimensional. In this paper, the Navier - Stokes and the energy equations are solved on a flat plate by the finite Element method using cubic elements. Algebraic equations are obtained by the use of the Petrov-Galerkin method. The pressure term is vanished from the momentum equations, by employing the penalty method. The governing equations are transient and the flow is incompressible and turbulent. The model of turbulence in the near wall region is the wall function method, and in the fully turbulent region is the k-a model. The systems of the algebraic equations are solved by the Frontal method. The film cooling effectiveness data, at the optimum conditions, was directly compared with the experimental results of Goldstein et al. (1968), and a good agreement is demonstrated.

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APA: Copy

BAZDIDI TEHRANI, F., & MAHMOUDI, ALI ASGHAR. (2002). INVESTIGATION OF THE EFFECT OF TURBULENCE INTENSITY AND INJECTION ANGLE ON THE FLOW AND TEMPERATURE FIELDS IN THE SINGLE HOLE FILM COOLING TECHNIQUE. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), 12(4), 25-38. SID. https://sid.ir/paper/66004/en

Vancouver: Copy

BAZDIDI TEHRANI F., MAHMOUDI ALI ASGHAR. INVESTIGATION OF THE EFFECT OF TURBULENCE INTENSITY AND INJECTION ANGLE ON THE FLOW AND TEMPERATURE FIELDS IN THE SINGLE HOLE FILM COOLING TECHNIQUE. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)[Internet]. 2002;12(4):25-38. Available from: https://sid.ir/paper/66004/en

IEEE: Copy

F. BAZDIDI TEHRANI, and ALI ASGHAR MAHMOUDI, “INVESTIGATION OF THE EFFECT OF TURBULENCE INTENSITY AND INJECTION ANGLE ON THE FLOW AND TEMPERATURE FIELDS IN THE SINGLE HOLE FILM COOLING TECHNIQUE,” INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), vol. 12, no. 4, pp. 25–38, 2002, [Online]. Available: https://sid.ir/paper/66004/en

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