查询词典 convection heat transfer

The law of heat transfer and pressure drop of two-phase of kerosene-air mixture at heating, boiling and condensation is obtained, the investigation result provides important basis for design of heat exchanger and heating furnace in hydrogenation technology of oil refining industry.

通过本文的研究，得到了煤油在含有不同量的空气时的煤油空气混合物两相流在加热、沸腾和冷凝时的换热和压降规律，建立了计算关联式，为炼油工业加氢工艺中的各种换热器和加热炉的设计提供了重要依据。

To produce heat, plastic piping loops are dug into the ground to create a circuit for heat transfer.

产生热量，塑料管道循环是挖入地下，以创造一个回路传热。

Moreover, the heat conductivity of the material has notable effect on heat transfer.

此外，实验管材的导热特性对其传热特性也有很大的影响。

Bull; Ultra-low thermal conductivity and heat transfer coefficient, can effectively prevent the heat conduction

bull；超低的导热系数和传热系数，能有效地阻止热量的传导

Based on grinding temperature experiment and heat transfer theory,grinding heat partition in engineering ceramics is obtained.

基于磨削温度的实验和传热学理论，得出了工程陶瓷工件的磨削热分配比；得出了干磨及湿磨两种状态下工程陶瓷磨削温度场的分布。

The solid liquid phase change heat transfer was simulated by the equivalent heat capacity method.

将激光传输的七流模型和固液相变传热的等效热容法相结合，提出了激光照射下生物组织解冻过程的二维数值计算模型。

Thermal conductivity A of mass and single pellet is successively measured by an efficient and steady heating system, of which the heat source is infrared ray. The milli-volt instrument and thermocouple is a way to measure temperature and its of higher precision and has fewer errors. Thermal diffusivity a is researched based on the study of C and. In this thesis, the volume convective heat-transfer coefficient, is measured on the thin-bed drying plat in terms of the principle of cooling machine and the Boyce drying theory, focusing on the air velocity v or mass flux G affecting on h.

导热系数λ的测定采用红外线纵向热流法，热源稳定、效率高；温度采用毫伏表加热偶温度传感器测量，精度高，误差小，并对成堆物料和单个颗粒均作了研究；基于C和λ的测量结果，导温系数α采用公式法计算而得；对流换热系数h_y为体积对流换热系数，其测定是模拟颗粒饲料的冷却干燥过程，依照冷却器的工作原理，构建颗粒薄层干燥试验台，并在Boyce干燥理论的指导下，重点测试了冷却风速对对流换热系数的影响。

Cooling efficiency is reached due to use heat-conducting pipes for heat transfer from the cooler basis to a radiator.

散热效率达到由于使用导热管传热凉的基础上一个散热器。

The paper describes the development of the pre-heater of hot-blast stove for blast furnace, and the technical advancements of the pre-heater in terms of material, heat exchanger type as well as heat transfer medium.

叙述了高炉热风炉预热器的发展情况，介绍了预热器在材料、换热器形式和换热工质等方面的技术进步。

I service center in Shenzhen Honghui Packaging Machinery Co., Ltd. in Taizhou service organizations, professional sales and maintenance of packaging, printing machines, which sells models: high-speed vacuum plastic molding machines and related equipment (Flap machine, CD Chuangxia feeder, Blister-sealing machine), high-frequency plastics welding machines, ultrasonic plastic welding machines, Da Baoji, infrared heat shrinkable packaging machines, heat transfer machine, bronzing machines.

我服务中心是深圳宏辉包装机械有限公司在台州的服务机构，专业销售和维修包装、印刷机器，主要销售机型：高速真空吸塑成型机及配套设备（折边机、裁床下料机，吸塑封口机）、高频塑料焊接机、超声波塑料焊接机、打包机、红外线热收缩包装机、热转印机、烫金机等。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？