查询词典 heat flow

A 3D numerical simulation for the air flow and heat transfer among louvered fins was derived,and the numerical results were compared with the experimental data from literatures.

本文对空气在百叶窗翅片内部流动和传热建立了三维数值计算模型。

It is found that lunate channel has obvious effect on flow boiling heat transfer enhancement.

在受迫流动沸腾情况下，沸腾换热系数 h 随着质量流速 G 和热流密度 q 的增加而增加。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

摘 要：对液氮在0.5～1.5mm狭缝通道内受迫流动沸腾换热的情况进行了研究。

In this paper lunate channel is adopted to study forced flow boiling heat transfer and its pressure drop in detail.

因此本文采用这种独特的狭缝通道结构形式——弦月形狭缝通道，实验和理论研究了液氮在0.5～1.5mm狭缝通道内受迫流动沸腾时的传热特性和流动特性。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

对液氮在0.5～1.5 mm狭缝通道内受迫流动沸腾换热的情况进行了研究。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

狭缝强化传热是一种新兴的强化传热技术，它具有温差小、传热效率高的特点。

Cryogenic two-phase flow and boiling heat transfer characteristics are studied by means of visualized experiment in lunate narrow channel.

采用可视化实验方法研究液氮在弦月形狭缝通道内两相流流动和传热现象。利用精心设计和制作的试件，借助高速摄影仪和3CCD 数码摄像机，获得了液氮在弦月形狭缝通道热虹吸沸腾时的气泡行为及两相流动的真实信息。

It is found that lunate channel has obvious effect on flow boiling heat transfer enhancement.

当热流密度大于10kW/m〓时，传热效果明显好于热虹吸狭缝沸腾。

However, the heat transfer enhancement mechanism, as well as the effect of various parameters, such as configuration size, on the enhancement are not understood clearly yet.In this paper, a unique kind of configuration, lunate channel, is adopted as the flow channel.

本文采用独特的通道结构形式——极限偏心环缝，在宽广的参数范围内详细研究了这种狭缝通道中低温气液两相流体的流动及佛腾传热特性。

As a basic disadvantage of AEF over fuel-fired melters the relative small pull range for stable operation occurs [5], because at lower glass flow rates the batch layer gets thinner and thinner, and the high heat losses do not allow to increase the melt temperatures to a level necessary for sufficient refining.

作为一项基本的缺点，阿英法比燃煤melters相对小拉范围为稳定运行的发生[ 5 ] ，因为在较低的玻璃流量间歇膜太薄薄，瘦，高热量的损失，不容许以增加熔体气温到一定程度，有必要进行充分的精炼。

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。