英汉例句

• in this paper, mixed convection heat transfer in three-storey open-ended enclosures has been numerically studied for vertical outflow angles of attack.

  本文研究了竖直外界来流方向的三层开口方腔内的混合对流换热问题。

• an experimental study has been carried out for the forced convection heat transfer in non-newtonian fluid in a small scale square duct at low reynolds numbers.

  对非牛顿流体在小尺寸方形通道内的低雷诺数受迫对流传热进行了实验研究。

• the coupled radiation and convection heat transfer in high temperature heated/cooled tubes with inside participating medium flowing is investigated by numerical simulation.

  本文通过数值模拟方法研究了高温下加热/冷却管内层流充分发展流动的参与性介质热起始段的辐射与对流耦合换热。

• the nature convection heat transfer in a cavity heated below is a classical theory model with wide engineering background.

  底部加热的方腔内自然对流换热是一个具有广泛工程背景的经典理论模型。

• the mixed convection heat transfer of the entrance region in a vertical rectangular duct with a uniformly heated plate was experimentally investigated when the forced air flowed upward and downward.

  对单面加热矩形通道热入口段的层流对流换热问题进行了数值模拟研究，给出了不同截面比的局部努赛尔数。

• experiments were carried out to investigate the single-phase forced convection heat transfer with water in three vertical narrow annuli which were heated from inside by primary water.

  本文在常压下，以水为工质，对三种尺寸的竖直窄环隙流道进行了单相强迫对流换热实验研究。

• the convection heat transfer coefficient of coolant within the grinding zone has been estimated using hydrodynamic and thermal modeling.

  磨削区冷却液的热对流系数已由流体动力学和传热学模型估算得到。

• by common experiment means of convection heat transfer characteristics research, in this paper one test-bed is built to conduct the flow and heat transfer experiment on sewage in the pipe.

  论文采用研究对流换热特性的常用实验手段，设计搭建了实验台，对城市污水进行了圆管流动换热实验。

• at first, the physical mechanism was studied then the 2d compact numerical simulation model for natural convection and forced convection heat transfer analysis was built respectively.

  本文首先对散热器工作的物理机制进行详细分析分别对自然对流换热情况和强制对流换热情况建立了简化的二维数值计算模型。

• the 3-d numerical prediction proved that the copper pin fin structures have 24%-34% higher convection heat transfer coefficients with 10%-16% pressure drop increase.

  在三维空间上的对流换热模拟表明，铜制的针肋结构的换热系数要高出百叶窗翅片24％-34％，而流阻仅高出10％-16％。

• the coefficient of convection heat transfer increases with increasing the particle diameters.

  对流换热系数随着颗粒直径的增大而增大。

• experiments have been carried out to investigate the forced convection heat transfer with water in narrow annulus which is heated from inside or outside by primary water.

  在一回路水分别从内侧和外侧加热二回路水的条件下，进行了竖直窄环隙流道强迫对流换热实验。

• convection heat transfer of co2 at supercritical pressures in a vertical tube at low re was investigated experimentally and numerically.

  本文对竖直圆管中超临界压力二氧化碳在低雷诺数条件下的对流换热进行了实验研究和数值模拟。

• by curve-fitting of the experimental data, an empirical correlation for forced convection heat transfer of supercritical water is obtained with average relative error of 11.8%.

  根据实验数据，给出了超临界压力下水在垂直加热管内对流换热的经验关联式，其平均相对误差为11 8%。

• a transient testing technique for measuring average convection heat transfer coefficients of compact heat exchangers is suggested.

  提出了一种紧凑式换热器平均表面传热系数瞬变测试方法。

• two phase forced convection heat transfer coefficients are correlated as function of lockhart martinelli parameter.

  用修正l m关系式整理了两相强制对流放热系数。

• a numerical simulation is performed by adopting a unsteady mathematical model for the periodically fully developed fluid flow and convection heat transfer in a saw-tooth channel.

  本文采用非稳态数学模型对锯齿形通道的周期性充分发展流动与换热进行了数值模拟。

• the gaussian distribution of heat flux , forced convection heat transfer and the moving of laser heat source are simulated by using apdl(ansys parameter design language).

  采用apdl语言实现了对热流密度的高斯分布和强制对流换热及移动激光热源的模拟。

• experiments were conducted to investigate the convection heat transfer of deionized water and copper oxide nanoparticle suspensions flowing through mini tubes.

  实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性。

• based on the investigation above, the natural convection heat transfer is suggested to be divided into two regions:stagnant air region and intensifying heat transfer region.

  丝排自然对流换热的物理特征可分为两个区：小间距滞流区和强化区。

• 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热与发汗冷却进行了实验研究和数值模拟。

• at the same rayleigh number and aspect ratio, it is shown that the natural convection heat transfer coefficient would differ from those of darcy flow up to an amount of 30%.

  数值计算结果表明：在相同的形状比和瑞利数下，与达西流传热系数的差别最大可达30%。

• local convection heat transfer coefficient decreases along the micro-tube by 12.5% for the influence of thermal conductivity of liquid nitrogen.

  微通道中局部对流换热系数受到液氮导热系数变化的影响沿管程逐渐下降约12．5%。

• typical experiment of convection heat transfer in tubes is under the first or the second boundary condition.

  典型的管内对流换热实验均在第一、第二类边界条件下进行。