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- There are two modes of convection: free convection and forced convection. 热对流的花样最多，且和流力有密切关系。
- This paper studied the free convection condensation heat transfer of miscible binary mixture on a horizontal smooth tube. 研究互溶性双组分混合物在水平光滑管上的自然对流冷凝传热性能。
- To consider the effects of free convection heat transfer in liquid zone and mushy zone, an Effective Heat Transfer Coefficient keff is defined. 论文通过引入有效导热系数keff，考虑了液相区、两相区的自然对流对传热的影响。
- Li, G C., and Yang, S. A., 2006, "Thermodynamic Analysis of Free Convection Film Condensation on an Elliptical Cylinder", J. of the Chinese Institute Engineers. 陈柏璁、吴家瑞、杨胜安，2006，“水平圆管上强制对流膜状凝结之熵增分析”，第二十三届机械工程研讨会。
- In this paper, the heat transfer of new external three-dimensional finned tube in free convection developed by the Chongqing University of China is investigated by experiment of two different objects. 对由重庆大学研制开发的新型三维外肋管的自然对流换热特性进行了实验研究。
- Heat transfer coefficients for the heated copperplate under free convection conditions with and without gas discharges are obtained by measuring the temperature and the heating power of copperplate. 通过对加热器功率以及铜板电极温度测量，计算获得在自然对流以及电极间发生放电两种情况下对流传热系数。
- Free convection in magnet field caused by inhomogeneous temperature is called Magnetothermal convection; it is droved by magnetic force familiar with natural convection droved by gravity. 由于温度分布不均匀而导致磁场中的磁性流体受到非平衡的磁场力作用,而发生流动的现象,称为热磁对流。
- Boundary layer theorem, isothermal and isoflux vertical plates, asymmetric isoflux vertical parallel plates of free convection, optimum and maximum channel space will be discussed. 边界层理论，等温、等热流垂直板，等热流非对称之垂直两平行板自由对流以及最佳及最大气渠板距将被讨论。
- As a result, heat dissipating capacity, metal thermal intensity and free convection heal transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube. 结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。
- heat transfer by free convection 自由对莲热
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Numerical analysis of magnetically induced free convection in air 磁致空气自然对流的数学模型
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- Free convection heat transfer from a confined horizontal elliptic cylinder 等温水平椭圆筒的自然对流传热
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
