• With similarity considerations on governing equations, the heat transfer of mixed convection can be predicted to be controlled by Archimedes number and geometric factors.

    通过控制方程相似律分析预言混合对流传热阿基米德几何因子控制

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  • The irreversibility of heat transfer and fluid flow in regenerative he at exchanger was analyzed, and the number of entropy generation units was introduced.

    分析了式热交换器传热流动过程可逆性,提出了的概念。

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  • The results show that the performance of heat transfer in lower re number region is poly tropic, and that in higher re region is similar to conventional channel.

    结果表明,窄隙流道雷诺数表现普通流道不同的多变特性,雷诺数区与普通流道相近

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  • It is generally obtained by the experimental method, namely using Newton cooling formula to get tube outside heat transfer coefficient, then get the tube outside Nusselt number.

    一般通过实验方法求得运用牛顿冷却公式求出对流系数进而求得管外谢尔

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  • A critical length concept is introduced to describe the heat transfer performance of thin film flows with high Reynolds number in this investigation.

    本文分析了降液雷诺数区域换热系数随液膜长度变化趋势,引出临界长度的概念

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  • The equilibrium water content of the solids for drying, the number of mass transfer units for gas absorption and mass flow rate for heat transfer system were obtained using MATLAB.

    MATLAB计算食品过程中的物料平衡含水量气体吸收单元传热过程的调节,研究基于MATLAB的非线性方程、非线性方程组的求解和数值积分功能的应用。

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  • The process doesn't exhibit fully laminar unless the reference Reynolds number based on the location of peak heat transfer on compression ramp is low enough.

    只有基于再附峰值热流位置长度参考温度条件下雷诺数足够,相互作用过程才能纯层流的。

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  • The relationship between heat transfer performance and Reynolds number in three C-D tubes having different rib heights 1.

    光滑圆粗糙管内的湍流流动传热边界层进行了分析,通过实验比较了三种不同1

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  • In high Reynolds number range of 10,000 ~ 90,000, the flow friction factor, local and average convection heat transfer coefficients were determined.

    10,000 ~ 90,000雷诺数范围内,测量流动摩擦系数局部平均对流换系数

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  • A huge amount of experimental data is synthesized to establish a dimensionless number equation for intensified boiling heat transfer.

    综合大量实验数据建立强化沸腾传热准数方程序。

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  • In this paper the results of calculations of the coefficients of skin friction and heat transfer (Stanton number) on the surface of hypersonic flight vehicle are presented.

    本文给出了高超声速飞行器表面传热系数(斯坦顿)计算结果

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  • The influence of mass diffusion coefficient on the coupled heat transfer is small, and the increase of Reynolds number can restrain the component diffusion.

    扩散系数耦合影响很小,入口雷诺数增加抑制质扩散。

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  • Secondly, heat transfer distribution of the wall is not significantly affected by changes in suction ratios and Reynolds number.

    ②出流雷诺数的改变对全表面的换分布规律影响不大

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  • Experimental results of heat transfer to rough walls are given here for sphere cone models at Mach number 5.

    本文介绍了来马赫数5的条件下,典型球模型粗糙热交换实验结果

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  • In this paper, increase with Reynolds number, we first find that 3-d IFT with staggered arrangement fins and smooth tube's heat transfer characteristic curve will have a point of intersection.

    本文研究首次发现在层流区,随着雷诺数增加三维内肋管和光特性曲线出现一个交点即换热有效折点。

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  • The higher the Renolds number, the more intensive the convective heat transfer inside the hole.

    内雷诺数对换增强幅度影响较大,孔内雷诺数,换热增强越大

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  • The heat transfer was augmented distinctly with increase of Reynolds number. The bleeding ratio also affects the value and distributions of heat transfer coefficients of all inner surfaces.

    随雷诺数增大而增强比对各个面的换热分布大小有一定影响

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  • The effects of heat transfer units number, heat capacity ratio of fluids and flow patterns on exergy-transfer effectiveness are discussed. The comparison among exergy -...

    讨论传热单元、冷热流体热容量型对换热器传递有效度的影响,并把换热器传递有效度和效率以及换热器无因次熵产数进行了比较。

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  • The effects of heat transfer units number, heat capacity ratio of fluids and flow patterns on exergy-transfer effectiveness are discussed. The comparison among exergy -...

    讨论传热单元、冷热流体热容量型对换热器传递有效度的影响,并把换热器传递有效度和效率以及换热器无因次熵产数进行了比较。

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