convection

noun

1. （热通过气体或液体的）运流，对流
   the process in which heat moves through a gas or a liquid as the hotter part rises and the cooler, heavier part sinks

1. N-UNCOUNT (热通过气体或液体的)对流，运流
   Convection is the process by which heat travels through air, water, and other gases and liquids.
   1. ...clouds which lift warm, moist air by convection high into the atmosphere.
      通过对流而使温暖潮湿的空气上升到大气中的云朵
   2. ...convection currents.
      对流气流

1. These fires create convection funnels, and throw a lot of particles into the upper atmosphere.
   这些火焰造成了对流漏斗，把许多微粒抛向上层大气。
2. Experimental Study on Air Heating Effect of Convection and Radiation Radiator
   对流与辐射散热器对空气加热效果的实验研究
3. Experimental study on convection and evaporation heat transfer between human body and environment under low atmospheric pressure
   低气压条件下人体与环境对流和蒸发换热的实验研究
4. There are three ways of heat transfer: conduction, radiation and convection.
   传热的方法有三种：传导、辐射、对流。
5. Heat can be delivered by convection, radiation, and thermal conduction.
   热气可由对流、辐射和热传导来传递。
6. Application of satellite water vapor imagery and potential vorticity field on convection weather analysis
   卫星水汽图像和位势涡度场在强对流天气分析中的应用
7. Natural Convection in a porous medium from a downhole coaxial heat exchanger was numerically analyzed.
   对多孔介质层内同轴管式井下换热器的自然对流传热过程进行了数值模拟。
8. The energy exchange contains three basic physical processes: radiation, convection and heat conduction.
   地气交接面的能量交换过程包含了辐射、流、传导三种最基本的热物理过程。
9. Radiation between cell tube and air feed tube and heat transfer by convection and conduction was also included in this model.
   在传热模型中，除考虑传导和对流换热外，也考虑了电池和空气进气管之间的辐射换热。
10. CNVCOF specifies the convection coefficient which is used in determining convection heat transfer.
    CNVCOF定义了用于确定对流热传导的对流系数。
11. The boundary layer thickness is a function of the convection condition, in the melt.
    边界层厚度是溶体中对流条件的函数。
12. Measuring systems are affected by other properties such as thermal conductivity and thermal convection of the sample gas.
    测量系统还受样品气体的导热性和热对流性之类其他性能的影响。
13. The fluids carry a lot of dissolved solids and hydrocarbon in free convection.
    自由对流的流体在运动过程中搬运了大量的矿物质和烃类。
14. We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
    本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。
15. The observatory said the relatively strong localized convection led to the formation of the waterspout.
    天文台表示，是相对强烈的地区性对流活动，导致了此次水龙卷的形成。
16. This article analyzes the reason for vibration in convection section for the first-stage furnace.
    对一段炉对流段的振动原因进行了分析，并提出了处理方案及措施，取得了较好的效果。
17. A steam radiator is a good example of heating by convection.
    蒸汽暧气片是一个对流加热房屋的好例子。
18. The product is to break all the transmission by air convection heating, open-temperature method.
    该产品打破了所有传供暖靠空气对流开温方式。
19. Modeling experiment is an important method and the component part in the study of Earth's mantle convection.
    模拟实验是当前地幔对流研究中的一个重要手段，一个重要组成部分。
20. Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence.
    在实际燃烧室中，液滴点火和熄火受到强迫对流和紊流的强烈影响。
21. In convection, hot currents flow upwards.
    上升的烟柱和热气流在对流中热气流向上运动。
22. Within the rock which forms the highly permeable reservoir convection currents of hot water or steam occur.
    在形成高渗透性热储的岩体内，存在水或蒸汽的对流运动。
23. In contrast to the mechanism of conduction and convection, radiation may take place in a perfect vacuum.
    与传导和对流的原理不同，辐射可在完全真空中进行。
24. Convection can be of two types: natural convection and forced convection.
    对流可分为两类，即自然对流和强制对流。
25. The fluid is laminar flow on the plane surface of steady heat source under the forced convection.
    对沿恒热源传导下平表面层流流动的膜态沸腾进行研究。
26. This microwave is not just a microwave but it is a grill and convection too.
    这微波不是仅微波，但是它也是格栅和对流。
27. Boiler heat transfer convection characteristic;
    锅炉；传热；对流；特性；
28. The character of vertical shear of environmental wind has the important influence to the sever convection occurrence development.
    环境风场的垂直切变特征对强对流的发生发展有重要影响；
29. Numerical analysis of convection heat transfer effects on cryogenic target temperature
    对流传热对冷冻靶温度影响的数值分析
30. Convection is the principal agent of heat transfer in the atmosphere and oceans.
    对流是大气和海洋中热传输的主要方式。

noun

1. the transfer of heat through a fluid (liquid or gas) caused by molecular motion

2. (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere