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首页> 外文期刊>International Journal of Heat and Fluid Flow >Effects of inflow pulsation on a turbulent coaxial jet
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Effects of inflow pulsation on a turbulent coaxial jet

机译:流入脉动对湍流同轴射流的影响

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摘要

The effects of inflow pulsation on the flow characteristics and mixing properties of turbulent confined coaxial jet flows have been studied. Large eddy simulations were performed at Re = 9000 and the mean velocity ratio of the central to annular jet, U_i/U_o, was 0.6. Pulsation was generated in the inflow jet by varying the flow rates. First, inflow pulsation was applied at frequencies in the range 0.1
机译:研究了流入脉动对湍流受限同轴射流的流动特性和混合特性的影响。在Re = 9000处进行了大涡旋模拟,中心射流与环形射流的平均速度比U_i / U_o为0.6。通过改变流速在流入射流中产生脉动。首先,在其他参数固定的情况下,以0.1

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