rate of evaporation

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。

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The change of the fuel droplet radius with time was recorded by a high speed digital camera ( FASTCAM-ultima APX) during the evaporation process for obtaining the evaporation rate at different ambient temperature and pressure.

通过对图像进行分析处理，得出煤油燃料液滴在不同环境温度和环境压力下蒸发时，直径和蒸发速率随时间的变化；

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Daily evaporation rate is an important technology parameter to evaluate the heat-insulating property of cryogenic dewar.

日蒸发率是评价高真空多层绝热杜瓦保冷性能最重要的技术参数.

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In this paper the two-dimensional unsteady groundwater flow toward the drain system has been studied, and formulas derived for computing the groundwater table and its time rate of change due to the combined effect of groundwater evaporation, rainfall or irrigating infiltration and artesian water leakage.

本文研究了流入排水系统的地下水二元不稳定流动，并导得了在地下水蒸发、降雨或灌溉入渗、承压水渗漏等综合作用下，地下水面位置及其上升、下降速度随时间变化的计算公式。

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The side air-blasting chain fire grate boiler heat balance test results show that evaporation rate can be increased by 31.5% with a thermal efficiency increase of 11. 2% compared with the same type of conventional chain fire grate boiler.

这种炉排锅炉的热平衡试验结果表明，与同型号普通链条炉排的比较，它的蒸发量增加31.5%，热效率提高11.2%。

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By analyzing the obtained variation of the surface area and the key factors affecting droplet deformation, the formula of droplet surface area is obtained by regression analysis, and fuel droplet evaporation rate model was successfully corrected.

本文通过分析得出了影响液滴变形的关键因素和液滴表面积的变化规律，应用回归分析方法得出了液滴的表面积变化公式，并对燃油液滴蒸发速率模型进行了修正。

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The suppression rate of evaporation increases with the dry sand bed thickness increasing;

各观测日的蒸发抑制率随着干沙层厚度的增大而增大；

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The fuel viscosity mainly influenced evaporation, and the increase of fuel viscosity led to distinct decrease of evaporation rate, thereby inducing a series of changes of inner structures of sprays.

燃油粘度主要影响燃油的蒸发，燃油粘度增大，蒸发速度明显减慢，而这种影响使得喷雾的内部结构产生了一系列的变化。

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The results showed that, when the evaporation temperature increase, the heat load, the material evaporation and condensation capacity, the system heating coefficient of performance COP, compressor theoretical power consumption and the theoretical heating medium flow rate all increased.

实验结果表明，系统热负荷、物料蒸发量和冷凝量、系统制热系数COP、压缩机理论耗功量和理论热媒流量均随着料液蒸发温度的升高而增大。

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The response rate of evaporation to change in temperature has biggest value at aridity index of 3.

干燥系数约为3时，蒸发能力随气温的变率最大。

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The Red Sea: that great lake so famous in biblical traditions, seldom replenished by rains, fed by no important rivers, continually drained by a high rate of evaporation, its water level dropping a meter and a half every year!

红海是《圣经》传说中的名湖，下雨也不凉爽，又没有一条大河流入，过度的蒸发使水量不断消失，平均每年有一米半厚的水面损失呢！

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