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Budgets of Turbulent Kinetic Energy in an Abruptly Expanding Circular Duct

机译:圆形管道突然膨胀时的湍动能预算

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The flow characteristics downstream of an axisymmetric sudden expansion is of basic importance to designers of gas turbine an solid-fuel ramjets. There is no doubt that the understanding of their complex flowfield will help in improving their design. Detailed measurements were made in an axisymmetric, confined, and isothermal flowfield of a research dump combustor and reported. Measurements of mean velocities, Reynolds stresses, and triple products were carried out at axial distances ranging form 0.38 to 12 step height, or 0.06 to 2 combustor diameters downstream of the dump plane.
机译:轴对称突然膨胀下游的流动特性对燃气轮机和固体燃料冲压喷气发动机的设计者至关重要。毫无疑问,对其复杂流场的理解将有助于改进其设计。在研究堆燃烧室的轴对称,密闭和等温流场中进行了详细测量,并进行了报道。平均速度,雷诺应力和三重积的测量是在卸料面下游的轴向距离范围为0.38至12步高或0.06至2燃烧室直径的范围内进行的。

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