film heat transfer coefficient
英 [fɪlm hiːt trænsˈfɜː(r) ˌkəʊɪˈfɪʃnt]
美 [fɪlm hiːt trænsˈfɜːr ˌkoʊɪˈfɪʃnt]
传热膜系数；膜传热系数
双语例句
- The experimental results showed that the main flow Reynolds number had no effect on the effusion wall film heat transfer coefficient, while the blowing ratio and configurations were the main factors.
研究发现主流是充分发展湍流时，主流雷诺数对发散壁燃气侧换热系数基本无影响，而吹风比和几何结构是主要的影响因素。 - The investigation shows that the film thickness increases and heat transfer coefficient decreases with initial Reynolds number.
研究表明：随初始雷诺数的增大，液膜厚度增加，传热系数减小； - Calculating film heat transfer coefficient for air coolers
空气冷却器管外膜传热系数的计算 - As falling film evaporators are more adaptable to the evaporation of viscous liquor, it is natural then that greater heat transfer coefficient and higher concentration of the evaporated liquor should be obtained with straw-based black liquors in such evaporators than in rising film ones.
降膜式蒸发器比较适合蒸发粘度大的液体，因此，使用这种形式的蒸发器蒸发草浆黑液，可以得到比使用升膜式蒸发器高的传热系数和出液浓度。 - The effects of blow ratio and rows on film cooling effectiveness and heat transfer coefficient was studied.
研究了吹风比、孔排等因素对气膜冷却效果和换热系数的影响。 - Determination of the Film Heat Transfer Coefficient and Design of Computer Program
传热膜系数测定及电算程序设计 - The evaporating heat transfer performance of the thin liquid film beneath bubbles is analyzed under different boundary conditions and initial conditions, and it is explained that the heat transfer coefficient is greatly enhanced due to the decreased thickness of thin film beneath flattened bubbles.
分析了不同边界及初始条件下的气泡底部液膜蒸发传热特性，解释了气泡受挤压变形后气泡底部的液膜厚度减薄是传热效率得到增强的主要原因。 - On the basis of heat transfer theory, this paper analyzes heat transfer process in film boiling stage when axial workpiece is quenched vertically and distribution of steam film thickness as well as corresponding variation of heat-transfer coefficient.
以传热学理论为基础，对轴类工件竖直淬火时膜沸腾阶段的传热情况进行分析，分析了工件表面蒸汽膜厚度的分布情况和传热系数的相应变化。 - Numerical Simulation on the Temperature Field and Film Heat Transfer Coefficient of Thin Film Evaporator
薄膜蒸发器温度场及膜内给热系数的数值模拟 - The method of dispersing the width of the liquid film is used in the calculation to obtain the numerical value of the condensation heat transfer coefficient.
计算中采用离散液膜厚度的方法求得凝结换热系数的数值解。 - This paper reports the current studies on the film cooling characteristics of single-row holes on flat plate at different blowing ratios, and analyzes the distributions of adiabatic film cooling effectiveness and heat transfer coefficient downstream the film holes.
对不同吹风比条件下的典型单排孔冷却结构的平板气膜冷却特性进行了实验研究，对冷却孔下游的气膜冷却效率及换热系数分布规律进行了分析。 - Lubricant oil's existence would form a layer of oil film, increasing heat resistance and decreasing heat transfer coefficient.
润滑油的存在会形成一层油膜，加大传热阻力，降低冷凝换热系数。 - The process of water heat transfer in heat exchanger is film condensation heat transfer, and the condensation coefficient of heat transfer is gotten by the formula of laminar film condensation heat transfer. A Study of Laminar Filmwise Condensation on Different Vertical Surfaces
而蒸汽与换热器中水的传热属于膜状凝结换热，可按层流膜状凝结换热公式计算出换热系数；沿不同垂直表面进行层流膜状冷凝的研究 - Based on the designed thin film evaporator, the influence of the rotor speed, feed rate and liquid inlet temperature on evaporation length and film heat transfer coefficient was primarily discussed using the software CFX 4.4 with water as feed liquid.
针对自行设计的薄膜蒸发器，以水为物料，采用大型CFD软件CFX4.4，初步探讨了刮板转速、进料量、进料温度等参量对薄膜蒸发器蒸发段长度和加热段膜内传热系数的影响。 - The results showed that compared to conventional smooth segment baffle heat exchanger, the plate heat exchanger ( PHE) can effectively strengthen the film heat transfer coefficient of the shell side.
研究结果表明，与传统的光滑管弓形隔板换热器相比，板式换热器能非常有效地强化空气侧的膜传热系数。 - The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
相同雷诺数的槽板平均表面换热系数是平板的2～3倍，同时减小了流动阻力。 - The circumferential film thickness, solution concentration and heat transfer coefficient were experimentally obtained and compared with theoretical results.
通过试验测得液膜周向厚度、浓度和传热系数及液膜厚度方向温度分布并与理论计算结果进行分析、比较。 - The total heat transfer coefficient and thin film heat transfer coefficient increase with the wiper rotating speed, vacuum degree, feed rate and feed temperature and decrease with the evaporating temperature. Each factor has little influence on the heat transfer coefficient of oil in jacket.
总传热系数和液膜传热系数随刮板转速、真空度、进料流量和进料温度的增大而增大，夹套传热系数受各操作条件的影响较小。 - As the input power of the film heat source increased, the heat transfer coefficient of spray cooling decreased and tended to decrease significantly under high mass flux and nozzle pressure.
随着薄膜热源的输入功率的升高，其喷雾冷却的换热系数随之减少。当在质量流量及喷嘴压力较高条件下，这种趋势更为明显。