heat transfer film coefficient
英 [hiːt trænsˈfɜː(r) fɪlm ˌkəʊɪˈfɪʃnt]
美 [hiːt trænsˈfɜːr fɪlm ˌkoʊɪˈfɪʃnt]
网络 传热膜系数
双语例句
- The heat transfer film coefficient for the dibuty-o-phthalate at the presence of boiling water in the vertical tube is studied by introducing the mixture of water-dibuty-o-phthalate.
以水-邻苯二甲酸二丁酯为测试物系，研究了垂直列管内水在沸腾状态下对其传热膜系数的影响，考察了温度、物料组成、进料速度等因素对传热膜系数的影响。 - Heat transfer properties of supercritical carbon dioxide, as well as effects of initial pressure and heating strength on heat transfer film coefficient and Nusselt number, are investigated experimentally.
利用此试验装置系统，对超临界流体二氧化碳的传热特性进行了实验研究。研究了初始压力、热流密度等对传热膜系数和努塞尔特数的影响。 - The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。 - 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。 - Heat transfer film Coefficient of two-phase flow has been measured in a rising film evaporator with variable heat quantities and water rates.
在升膜蒸发器内，以软化水为介质测定不同加热量、不同水量的气液两相流传热膜系数，分析影响传热膜系数的诸因素及变化关系； - The Distribution of Heat Transfer Film Coefficient of Vertical Tubes in a Stirred Tank
搅拌槽中垂直列管外壁的传热膜系数分布 - The heat transfer film coefficient at the boiling state of water is studied for the dibuty-o-phthalate by introducing the mixture of water-dibuty-o-phthalate into the system.
以循环物料邻苯二甲酸二丁酯为研究物系，引入水&邻苯二甲酸二丁酯混合物，研究水在沸腾状态下对体系传热膜系数的影响。 - 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。 - 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 - Heat transfer film coefficient and Nusselt number increase greatly with increasing fluid temperature firstly, then decrease after reaching peak values.
传热膜系数α及努塞尔特数Nu随流体温度的增加迅速上升，当达到峰值后，又随温度的增加而下降。 - The Study on the Local Heat Transfer Film Coefficient on the Inner Surface of a Stirred Tank with CBY Propeller
采用CBY轴流桨搅拌槽内壁局部传热膜系数的研究 - Curves of relation between heat transfer film coefficient and flow volume were obtained.
研究得到了两种换热器的壳侧传热膜系数和流动阻力随流量变化的关系曲线。 - Steam condensation heat transfer experiment was carried out at atmospheric pressure and perfect dropwise condensation was observed on the super-hydrophobic surfaces. The condensation heat transfer film coefficient reached to 40000 W/ ( m2 · K) under experimental conditions.
以水蒸气为冷凝介质的冷凝传热实验表明，水蒸气在超疏水纳米材料表面上能形成较好的滴状冷凝，冷凝传热膜系数可达40000W／（m2·K）。 - The change of tube-inside fluid flow rate has no effect onthe tube-outside heat transfer film coefficient.
管内流体流量的变化对管外给热膜系数没有影响。 - 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。