查询词典 heat flow

With the same of characteristics between solid and porous microchannel evaporator, that pressure drop rises with the increase of volume flow rate and heat flux, the latter's pressure drop will rise up around 30% to 260% as porosity increases.

在压降方面，相较於传统微流道蒸发器压降除了随著流量以及热通量的增加而上升外，多孔性结构微流道蒸发器的压降也会随孔隙度的增加而上升。

It took those factors affecting the flux of each tube into account and obtained the accurate flux of the working medium in each tube under the condition that the heat load, the parameter of structure and the flow resistance coefficient of each tube were supplied.

该方法考虑了各种因素对锅炉本体每根管内工质流量的影响，在其热负荷、结构参数和工质流动阻力系数给定的条件下，可以准确计算出每根单管内的工质流量。

A quasi three dimensional numerical method is developed for predicting the steam flow and heat transfer behavior of condenser. It is applied to a one pass large power plant condenser.

为了研究凝汽器流动与传热特性沿轴向的变化，文中发展出一个凝汽器汽相流动与传热特性的准三维数值计算方法，应用该方法对一大型凝汽器汽相流动与传热特性进行了数值模拟。

The efficiency of mass transfer in 60% fraction of hole is higher than in 40% fraction of hole. When gas/liquid ratio is lower 10, the efficiency of mass transfer in new sieve baffle tray is higher than in traditional tray.A three-dimensional quasi-single phase computational fluid dynamics program with the RNG- turbulence model is presented for evaluating the performance of the new sieve baffle tray. The special feature of this model is taking into account the influence of heat transfer during the mass transfer and the influence of mass transfer in computing the flow field.

建立了以RNG模型为基础的三维拟单相流模型，该模型与其它研究者所建立的模型的最大进步是，前人在塔板流场的计算中没有考虑传质的影响，并且在传质过程中没有也没有考虑传热对传质产生的影响，实际上在传质过程中，抛开传热来计算和研究传质是不准确的，因为在传质过程中伴随着传热，并且传热和传质是互相影响、互相制约的，本文所建立的传热与传质模型，把传热和传质进行了有效的藕合。

In the end, the double measurement of steam-water two-phase flow by combining venturi tube method and heat transfer method was investigated.

本文对应用文丘利管和传热法测量汽液两相流体流量和蒸汽干度进行了研究。

It shows that the flow resistance force of tube bundle has obvious effects on the vacuum and pressure drop of condenser, and also has a little effect on the shell side heat transfer coefficient.

结果表明，管束阻力对凝汽器的真空和压降有较大影响，对凝汽器壳侧换热系数的分布也有一定影响。

The characteristics of CaCO〓 crystallization fouling on heat transfer surface in subcooled flow boiling flowing upward system are investigated. The influence of carrying gas injection (using N〓 as carrying gas) in the system on the scale formation is also studied.

5对过冷流动沸腾过程CaCO〓在竖直换热面上的结垢机理进行了实验研究，同时在流动系统中引入载气，考察其对污垢形成的作用。

This article introduced one kind of use was mad-the solid two-phase flow related theory and the related heat transfer research trial result,establishes the process mathematical model,carries on the pa...

介绍一种利用气固两相流动有关理论及有关传热研究试验结果，建立过程数学模型，对气流干燥管进行分段，分区间逐次计算方法，其计算结果与实际情况吻合较好，并通过对直管与脉冲管的计算结果分析其优缺点，可以用于工程计算。

The numerical results of flow resistance and heat transfer agree well with experimental data.

用试验的方法确定了油焦浆管内等温流动的流动阻力计算方法和在搅拌加热器中传热努歇尔数的计算方法。

In the present numerical study,the effects of structural parameters of the spiral rotor internal insert on heat transfer and flow resistance were investigated.

管内插入物是一种强化管内换热的有效方法，内插可以旋转的结构在强化换热的同时还具有良好的除垢效果。

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。