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Title: Calculation of turbulent diffusion jets under effects of gravity and moving surrounding air
Other Titles: Tính toán tia phun khuyếch tán rối
Authors: Bui, Van Ga
Nhan, Hong Quang
Vignon, Jean Marc
Keywords: Turbulent diffusion jets
Issue Date: 2001
Publisher: Vietnamese Journal of Mechanics
Abstract: The basis theory for the turbulent diffusion of jet and flame has been presented previously [1, 21. But that one applies only in quiet surrounding air with the effects of buoyancy neglected. In the present paper the theory is developed further by establishing an integral model for a jet in more general conditions with variable inclined angles, under effects of gravity and surrounding air velocity in any direction compared to the jet axis. The system of equations is closed by turbulence k-E model and is solved by 4 th order Runge- Kutta method. In the first stage, the model is applied to predict the velocity field, the concentration field and width development of a 0.3 m diameter jet.
Description: Vietnamese Journal of Mechanics, Vol. 23, No. 2, pp. 87-94, 2001
Appears in Collections:Công trình Nghiên cứu

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