对流的

The effect of structural forms, angle of poppet, and chamfer of valve seat on the flow field within cone valve is investigated emphatically by analyzing the form of stream line, the data and distribution of pressure and velocity.

通过对流场内流线形状、压力和流速的大小及其分布情况进行分析，着重研究了阀芯半锥角、阀芯结构、阀座倒角等对锥阀流场的影响。

The pattern could be described as the fluids flow separated from the rearward edge of the strips; the fluids flow reattached to the cylinder surface behind the edge; the fluids flow reseparated from the cylinder surface downstream of the cross section of the cylinder.

为精细地描述台阶附近近壁特性，采用分区—耦合方法建立了适体正交曲线网格，采用低雷诺数的k-ε模型作为湍流模型，在非交错网格上建立起差分关系式，引用简化的SOLA算法对流场进行了数值模拟。

Against the specific problems, this paper puts forward corresponding improvement measures including design of the convection field and temperature field, significantly the reduction of water tank evaporation surface, heat preservation of water tank by using block to fix outside protective layer.

针对具体问题提出了改进措施，包括对流场、温度场的重新设计，大幅度减少水箱蒸发面，水箱保温采用木块固定外保护层的方法。

Citing the classical thermodynamics formulae that measured the velocity of airflow using resistance temperature under the force convection condition, the equations are detruded following the measuring principle.

由强迫对流条件下热电阻检测气流速度的经典热力学公式，根据传感器检测原理推导得到Iw恒定时气流速度-热电阻丝电阻关系式、惠斯登电桥输出电压-气流速度关系式、热电阻的温度-气流速度关系式和惠斯登电桥输出电压-热电阻检测温度关系式。

Using the large eddy simulation and particle direct simulation, the diffusion of particle in sudden expansion pipe is modeled.

对江水换热引起的污垢热阻，采用热力学第一、二定律和熵产分析法，分析污垢对管内对流换热过程性能的影响。

It can absorb and block fire radiation.The belts also decrease the convection.

它可以吸收和阻挡火焰向前方的辐射，减小火场对流和阻挡火烧散块的穿越。

"Friction",Friction causes a rolling ball to stop finally.

&，&摩擦力使得一只滚动的球最终停了下来&，，&Friction的中文意思为对流摩擦力加热辐射

Gourd-shaped cavity was due to the wind tunnel cave open at both ends of the North-South pairs to wear again and hoisted mid-air, to the north,"Xianggui corridor", Nantong bridge between mountains and ocean ridge,"Gap Road", the air in this form.

洞形呈葫芦状，由于风洞两端洞体敞开又南北对穿且高悬半空，北接&湘桂走廊&，南通架桥岭与海洋山之间的&峡道&，空气在此形成强烈的对流，故名&风洞&，于是桂林人又把叠彩山称为&风洞山&。

The effects of temperature dependence material parameters and potential heat are considered in the program.

在程序中考虑了材料热物性参数的温度相关性、熔化潜热以及对流辐射等对温度场的影响，为进一步分析应力应变场奠定了基础。

In this paper, the application of jet stream exchanging heat and interpositiontechnology to GL style high temperature hot-blast stove is described.

喷流换热及插入件技术应用在GL型热风炉上，在相同的换热面积下与板单面，光管对流换热相比，平均换热系数提高1倍，在相同的换热量下，结构更紧凑。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。