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Investigations about the Non-dimensional Heatflux Distribution for Laminar Hypersonic Freestream

机译:关于层状高度自由流动非维热流分配的研究

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Heat transfer predictions over a 60° apex angle blunt cone model have been carried out using an in-house developed higher order accurate solver. It has been prominently observed that, coefficient of pressure and coefficient of drag execute the hypersonic independence principle where as the Stanton number based non-dimensionalisation is seen to be dependent on freestream conditions. Hence, various heatflux non-dimensionalisation strategies are assessed based on the present numerical predictions. The representation of surface heatflux distribution in terms of Q/Q_0 is observed to be offering similar trends for various enthalpy conditions. Reduced Stanton which accounts for most heatflux dependancies, provides a narrow band for heat flux prediction in case of various freestream conditions.
机译:通过内部开发的高阶精确求解器进行了60°顶角钝锥模型的传热预测。已经突出地观察到,压力系数和拖动系数执行超声波独立性原理,随着基于斯坦顿数量的非尺寸化的,视为依赖于自由流的条件。因此,基于当前的数值预测来评估各种热氟非维度策略。观察到Q / Q_0方面的表面加热分布的表示提供了各种焓条件的类似趋势。减少了估计大多数热流量依赖性的斯坦顿,在各种FreeStream条件下提供了用于热通量预测的窄带。

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