• When the Reynolds number for Bingham fluid is larger than a certain value, the flow will transfer from the laminar state to the turbulent state as Newtonian flow does.

    牛顿流体一样,汉流体的雷诺数超过一定后,流动流向紊流过渡

    youdao

  • The turbulent convection heat transfer of transpiration cooling in a horizontal rectangular channel was investigated experimentally and numerically.

    本文对水平矩形槽道内湍流对流换与发汗冷却进行实验研究数值模拟。

    youdao

  • The time-height variation of turbulent intensity in the inversion layer is incontinuous, the transfer of momentum and heat is gusty with time and sandwich with height.

    逆温内部湍流强度时-空变化不连续动量热量输送时间上是阵性的,在高度上是分层的。

    youdao

  • The characteristic of turbulent heat transfer and flow resistance with multi-longitudinal vortexes in tube is numerically analyzed.

    对多纵向管内湍流换热和特性进行了数值分析。

    youdao

  • The complex heat transfer of turbulent natural convection combined with surface radiation in open cavities is analyzed by numerical method.

    数值方法分析了开口空腔中的湍流自然对流表面辐射相互耦合复杂传热

    youdao

  • So the turbulent diffusivity in gradient transfer model of scalar should be a second order tensor.

    因此,在用梯度准则模拟湍流输运时,其输运系数一个张量。

    youdao

  • In mine mass transfer the longitudinal dispersion coefficient is by far greater than the turbulent diffusion coefficient.

    井巷紊流传递过程中,纵向弥散系数远远大于紊流扩散系数。

    youdao

  • A numerical study is carried out for the combined heat transfer of turbulent natural convection and surface radiation in an two-dimensional open square cavity with only one heated wall.

    具有单个加热二维方形开口空腔内湍流自然对流表面辐射耦合传热进行数值研究

    youdao

  • The relation between global transport properties and the external driving forces is the focus of interest for various turbulent flows and heat transfer.

    湍流极为普遍流动现象整体传输特性外部驱动力之间的关系是各类湍流流动和传热问题研究中心问题。

    youdao

  • Wall heat transfer fluctuations have been measured using a platinum film resistance thermometer in forward facing steps induced shock wave and turbulent boundary layer interaction fields.

    电阻温度计测量了前台阶诱导激波湍流边界层相互作用中的表面热流脉动

    youdao

  • The theoretical analysis and numerical calculation are carried out for turbulent convection mass transfer in heated tubes with consideration of internal mass sources under constant properties.

    性条件考虑内部质量源时,对水中金属腐蚀物杂质加热管道中的紊流对流传进行理论分析数值计算

    youdao

  • The calculation results of the model show that the addition of solid particles makes the fluid turbulent flow enhance, the heat transfer enhance and the wall temperature decrease.

    模型计算结果可知固体颗粒加入使流体湍流程度增强强化传热,降低了

    youdao

  • The results show that the multi-longitudinal vortexes could enhance the turbulent heat transfer in tube markedly and the flow resistance increase is similar to heat transfer enhancement.

    结果表明,多纵向明显强化管内湍流增加换热增强相当。

    youdao

  • Based on turbulent diffusion theory and the mechanism of liquid-gas interfacial mass transfer, a conceptual model of turbulent re-aeration process is proposed.

    本文根据扩散理论界面质量传递过程提出了紊动水体复氧过程概化模型

    youdao

  • Heat transfer in turbulent free swirl flow produced by a new developed swirl generator in the inlet region of a smooth pipe has been studied.

    研究一种新的发生装置形成自由旋流光滑入口段传热情况。

    youdao

  • In this paper, some characteristics of turbulent exchange in surface layer, the austausch coefficient, heat flux transfer, etc.

    本文对于北京冬半年近地面湍流特性:湍流系数及湍流通量等,用各种方法进行计算和比较。

    youdao

  • The hollow interchange disk can be used to strengthen flows heat transfer under turbulent conditions such as improve working conditions of ethylene cracking furnace, also can be used for flow mixing.

    中空立交用于强化湍流条件流体传热改善乙烯裂解炉工况亦可用于流体混合

    youdao

  • An engineering formula for estimating turbulent base heat transfer of hypersonic flow is given on the basis of flight data and the experimental results in shock tunnel.

    本文综合飞行数据激波风洞中的实验结果给出一个计算湍流底部工程方法

    youdao

  • The conventional method of heat transfer enhancement for turbulent flow in tube is to increase the heat transfer area, but it will increase the pressure drop across the tube significantly.

    管内湍流强化传热方法一般增加壁面换热面积这会显著提高管内流动阻力。

    youdao

  • The article is based on coherent structures of turbulent boundary layer theory, studies the feedback control model of turbulence, and inputs control system to get the enhancement of heat transfer.

    本文依据湍流边界层拟序结构理论基础,研究湍流反馈控制模式,在湍流流场输入控制,达到强化传热的目的。

    youdao

  • D. tubes, with the results showing the convective heat transfer characteristics depending on the laminar and turbulent flow regimes, tube sizes, and mean temperatures of the suspensions.

    开展了小圆管内纳米颗粒悬浮液对流及其表面改性影响实验研究,揭示了态、流体温度管道尺寸对流动对流换热规律影响。

    youdao

  • D. tubes, with the results showing the convective heat transfer characteristics depending on the laminar and turbulent flow regimes, tube sizes, and mean temperatures of the suspensions.

    开展了小圆管内纳米颗粒悬浮液对流及其表面改性影响实验研究,揭示了态、流体温度管道尺寸对流动对流换热规律影响。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定