heat transfer coefficient 输热系数 相似单词 radiation n. 1.[U,C]辐射;放射线 2.[U]辐射的热(或能量等) 3.[U](也作radiation therapy)放射疗法 transfer v.[T] 1.搬;转换;调动 2.使换车;使转校 3.改变,转变 4.转印,描摹 5.转让,让渡 v.[I] 1.搬迁,转移;调任 2.换车,转车 3.转校,...
Coupling with heat conduction differential equation of the workpiece,the mathematical model of heat transfer is established in the forge furnace by zone method for making the model of radiant heat transfer . 分析了锻造炉内的热工特性,采用区域法建立炉内辐射换热数学模型,并与炉内工件的导热方程相耦合...
Furthermore, the radiation energy flux can be more than ten times larger than the conduction heat flux of air at the atmospheric pressure, and the radiation heat transfer coefficient may exceed 1 MW m−2 K−1. The theoretical understanding gained from the present research will facilitate the...
Hence, theconvective heat transfercoefficient can be determined h=NukL=134.3(0.02669W/mK)(0.6m)=5.98W/m2K Therefore, the rate of convection heat loss can be determined Q̇convection=hA(Ts−Ta)=(5.98W/m2K)(6m2)[50−12]°C=1363W ...
Since this flux is strongly dominated by convection, it can be well approximated by jHz = hC· (TE − TG) with hC as the heat transfer coefficient, typically of the order of hC≈ 10–15 W/m2/K. At some more or less uniform distribution of the incident heat flux over the ...
Two approaches to predict the average or representative heat-transfer coefficient for a long, horizontal fin cooled by natural convection and radiation have been presented鈥攖he integration method and the heat-balance method. Both approaches make use of a numerically determined temperature distribution ...
COEFFICIENT OF HEAT TRANSFER IN FIN-TUBE HEAT EXCHANGER ANALYSIS AND THE ARTIFICIAL NEURAL NETWORKS Ninety-two patients with were treated with pre-operative chemotherapy (2 courses) before undergoing surgery. Chemotherapy and/or radiation were carried out... K Yang,M Sen,G Diaz,... - 《Bulletin...
where m (\(\hbox {m s}^{-1}\)) is a proportionality constant (defined as \(m=\rho C_{p}/r_{a}\) and broadly referred to as heat transfer coefficient) and depends on surface characteristics and micro-meteorology17, \(T_{a}\) (K) is the temperature of the air measured at a...
Please note that I am only concerned with air as the transmitting medium. From research I know absorption is not that much of a factor in air. I am however not to sure on the importance of scattering over a distance of 8m, nor if the relative humidity would have a large impact. ...
If we multiply this quantity by the mass energy transfer coefficient μm,tr, the result will have the dimensions of kerma. In fact, this is how total kerma is often computed; that is, (11.2.23)K=μm,trΨ, where Ψ is the energy fluence. Note that here the use of mass energy ...