查询词典 heat-unit

Moreover, as the heat flux approach to CHF, numerous vapor mushrooms periodically extruded from the perimeter of fin array are observed. This mechanism will cause the dry-out situation in the central part of fin array. The closer fin spacing and longer fin length can provide larger heat transfer. However, the results also demonstrate that early decay on overall heat transfer coefficient as the fin spacing is closer or fin length is longer.

此外，间距0.5mm且高度4mm的鳍片阵列，其热传系数并不随热通量的升高而增加，在中高热通量区，其热传系数保持在一固定值，而其它低深宽比的鳍片阵列，热传系数则是随著热通量升高而增加，到了高热通量区，热传系数会有一最大值，之后会随热通量增加而递减。

Is a professional production of large-scale explosion-proof heaters, high temperature heat pipetemperature Electrical, mechanical and electrical cellular heat pipe dehumidification drying, central air-conditioning fan coil heater, heating tube electric reflow wave soldering wire,, shoe-making mechanical and electrical heat pipe, mold heating pipes, electric cigarette tube equipment, pharmaceutical machinery electric pipe, electroplating equipment, heating tube, heater Teflon, titanium heating tube, far infrared heating tube, quartz heating tube, ceramic tube heater, titanium system without Pb furnace, electric lap Limited, and Deputy States imports and compensation of thermocouple wire.

深圳市新宏大电热科技有限公司是一家专业生产大型防爆加热器、高温型模温机电热管、蜂巢式除湿干燥机电热管、中央空调风机盘管加热器、波峰焊回流焊电热管电热丝、、制鞋机电热管、模具加热管、卷烟设备电热管，制药机械电热管、电镀设备加热管、铁弗龙加热器、钛加热管、远红外电热管、石英电热管、陶瓷电热管、钛制无铅锡炉、电热圈的有限公司，并代理各国进口热电偶及补偿导线。

In the paper, we investigate, respectively, the unsteady transport properties of heat and moisture in enclosure under constant wall heat flux and constant wall temperature when porous particles are small and Darcy number is lower, the effect of conductivity ratio, heating conditions and other parameters on the heat transfer rate of enclosure when particles are larger and Darcy number are higher.

并分别对多孔颗粒较小时的低Da数封闭腔内的非饱和渗流与传热，及颗粒较大的高Da数封闭腔内的非饱和自然对流行为进行了数值模拟，研究了低Da数时湿分与热量在恒热流与恒壁温条件下的非稳态传递特性，高Da数时封闭腔的传热与流动特性、达西效应以及导热比、加热条件等对空腔传热系数的影响。

Among all of the cooling technologies, the impingement cooling is the most potential one to enhance local heat transfer coefficient. The impingement of the jet forms high speed airflows on the cooled surface. These airflows can be used to improve local heat-transfer conditions significantly especially in the area with very high heat flux and temperature.

在所有提高传热的技术中，冲击冷却对于提高当地的传热系数具有最大的潜力，其冲击所形成的高速气流，极大的改善了当地的换热状况，特别适用于局部高温的地区。

On the ground of the theories of heat transference and heat stress,residual heat stress equations were decuced according to the plasma cladded coating.And specific calculations were done with physical property factors.

在热传导及热应力的理论基础上，针对等离子熔覆的实际情况进行了残余热应力计算公式的理论推导，并代入实际物性参数进行了具体算例的计算工作。

This type of heat transfer is commonly used in oil refinery processes to met the high temperature requirements of most processes, plus the necessary high heat transfer rate and heat flux control, and for ease of decoking.

这种类型的热量转化普遍应用于石油炼制过程，其目的是满足大部分炼油过程对高温的需要，以担高热转化速度，实现热流量控制，并使除焦工作与更为容易。

This paper adopts Goldak heat source model in which the distribution of heat on surface satisfied Gauss function and the inner heat distributes in double ellipsoids function.

因此焊接温度场的准确计算是焊接冶金分析，残余应力与变形计算以及焊接质量控制的前提。

Before conducting the study, students believed that Heat could not influence gas and liquid volume.Matter didn't have thermal expansion. Metal ring's diameter will shrink after heating. The melting quantity of salt is much quicker and faster than sugar in the same temperature or water. Only metals can conduct heat, but not wood, glass, plastics. The quantity of heat is by steam way disappearing.

一、学童对「物质与热」的迷思概念有：(1)「热对气体、液体体积不会有影响」的概念，(2)听过热胀冷缩的语词，但是对原因不明了，(3)金属双圆环加热后，内环孔的口径会变小，(4)同温度且等量水，盐的溶解量比糖多、也比糖快；(5)木材、塑胶、玻璃不会传热，金属才会传热；(6)以为热量是以水蒸气方式散失，(7)冷气机应安装在高处，冷房效果较佳；(8)误认为金属是良好的保温材质。

Surplus heat reclamation system of water system of gas engine driven heat pump has been designed, and security and explosion proof measure of gas engine driven heat pump's plant room has also been discussed.

对国内尚未应用的水—水燃气机热泵进行了水系统余热回收设计，论证燃气机热泵在实际工程应用中的安全与防爆问题以利于该节能新设备的推广应用。

In additional, the heat inertia parameter is obtained and a method is provided to calculate the influence of"heat inertia"on the heat statement inside the charge bed during firing process.

这一装置消除了热气流的温度滞后现象，能按实验者的要求灵敏地调节焙烧制度，大幅度地降低了焙烧杯体的热惯性，使焙烧杯体的球团矿得以均匀受热。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。