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首页> 外文期刊>International Journal of Heat and Mass Transfer >The computed characteristics of turbulent flow and convection in concentric circular annuli. Part II. Uniform heating on the inner surface
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The computed characteristics of turbulent flow and convection in concentric circular annuli. Part II. Uniform heating on the inner surface

机译：同心圆环中湍流和对流的计算特征。第二部分内表面均匀加热

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摘要

Exact numerical solutions, essentially free of empiricism were obtained for fully developed turbulent forced convention in concentric circular annuli with uniform heating on the inner wall and no heat transfer the through the outer wall. The numerically computed values of Nu are represented almost exactly as a function of Nu{sub}0 Nu{sub}1, Nu{sub}∞, and Pr{sub}t/Pr. Here, Nu{sub}0 and Nu{sub}∞ are the limiting and asymptotic solutions for Pr = 0 and Pr → ∞ respectively, and Nu{sub}1 is the special solution for Pr = Pr{sub}(tt) ≈ 0.8673. The predicted values for all Re, all Pr, and all aspect ratios are in agreement with the experimental data within their scatter.
机译：对于完全发展的湍流强迫惯例，在同心圆环形空间内壁上均匀加热，并且没有热量通过外壁传递，获得了基本上没有经验主义的精确数值解。 Nu的数值计算值几乎准确地表示为Nu {sub} 0 Nu {sub} 1，Nu {sub}∞和Pr {sub} t / Pr的函数。这里，Nu {sub} 0和Nu {sub}∞分别是Pr = 0和Pr→∞的极限解和渐近解，Nu {sub} 1是Pr = Pr {sub}（tt）的特殊解。 0.8673。所有Re，所有Pr和所有长宽比的预测值都与分散范围内的实验数据一致。

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