蒸发潜热
- 网络Heat of vaporization;Latent heat of vaporization;latent heat of evaporation
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液体表面温度的变化不但与太阳辐射强度以及环境风速的大小有关,还与液体本身的物理性质(如热容、蒸发潜热和饱和蒸气压)有关。
The surface temperature of liquid is not only related with the solar radiation and wind speed , but also with the physical characteristics of the liquid ( heat capacity , latent heat of vaporization and saturated vapor pressure ) .
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在此基础上,根据Othmer方法计算了天然沸石内部水分的蒸发潜热。
Furthermore , the latent heat of vaporization of the moisture in the natural zeolite is calculated based on Othmer principle .
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应用拓扑方法计算烷烃298K温度下的蒸发潜热
A New Method for Calculating the Latent Heat of Evaporation of Alkane at 298K Using Topological Method from Molecular Structure
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通过探讨烷烃分子结构与其298K蒸发潜热之间的定量关系,发展了一种直接根据分子结构信息计算烷烃298K蒸发潜热的方法。
A new method was developed , which can be used to predict the latent heat of evaporation at 298K of alkane from molecular structure .
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积分3个月后,由地下进入地表的热流量增幅可达1W/m2以上,并持续增大到5W/m2,地表最大升温约0.5K,同时地表感热、蒸发潜热及长波辐射通量均有1W/m2左右的正异常;
The flux keeps increasing until reaches 5 W / m2 . A maximum anomaly of 0.5 K is found in ground temperature . Correspondingly , there are positive anomalies of around 1 W / m2 in surface sensible , latent and outgoing long-wave radiation fluxes .
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液体的导热系数与蒸发潜热及温度间的关系
Correlations of liquid thermal conductivity with the heat of vaporization and temperature
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液体纯物质的粘度及扩散系数与蒸发潜热间的关系
Correlations of Viscosity and Diffusivity for Pure Liquids with Heat of Vaporization
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饱和蒸气密度、焓和蒸发潜热的通用对比态推算式
Generalized corresponding equations of saturated gas density , enthalpy and enthalpy of vaporization
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一种回收蒸发潜热太阳能蒸馏装置的研究
Study on a sea water desalination solar still with recovering latent heat of vaporization
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天然沸石的平衡水分及其蒸发潜热的确定
A Way to Determine the Equilibrium Moisture Content and the Latent Heat Vaporization of the Natural Zeolite
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湍流感热输送约为蒸发潜热输送的1.84倍。
The eddy flux of sensible heat is about 1.84 times that of the latent heat from evaporation .
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蒸腾作用是植物的一项基本生理活动,蒸腾作用产生的蒸发潜热对植物叶片温度有重要影响。
Transpiration is one of the basic physiological activities of the plant leaf . It significantly affects leaf temperature .
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提出了含蒸发潜热能量交换项的地表单元能量热平衡方程,并采取了温度线性化的处理。
The heat balance equation of an element of ground surface including the term of latent heat exchange was presented .
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实验结果表明,在柱温较低、溶剂蒸发潜热较大的情况下,容易引起双峰的事实可能说明,毛细管气相色谱中的双峰现象是一种溶剂效应。
The experimental results shown that double peak phenomenon has close relationship with column stationary phase composition , column initial temperature , and especially , heat of evaporation of solvent .
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将流体粘度和导热系数的自由体积模型与平衡性质的统计力学理论相结合,导出用液体蒸发潜热表示的关联液体粘度与导热系数的基本方程。
Based on the revised free volume models for fluid viscosity and thermal conductivity and the statistical thermodynamic theory for equilibrium properties , an equation which correlates liquid viscosity with thermal conductivity by virtue of heat of vaporization has been proposed .
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细水雾抑制扩散火焰主要是通过水雾的蒸发潜热吸热、热容吸热、稀释氧气等作用,达到控制和扑灭火灾的目的。
The water mist suppresses diffusion flame through heat absorption due to the latent of vaporization of water mist , the heat absorption due to the heat capacity and the effect of dilution of oxygen , which slow down the reaction and fire spread .
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其优势就是利用水在未饱和的湿空气中蒸发吸收潜热,从自然环境中直接取得冷量。
The advantage of Evaporative cooling technologies is that it makes use of cooling by water evaporation in unsaturated moist air absorbing .
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冷却水热量通过对流换热传递给管壁,然后外表面覆膜通过导热的方式从管壁吸热,最后通过蒸发以潜热的形式进入空气中。
Heat convection cooling water passes through the wall , and then coating the outer surface of the way through the heat absorbs heat from the wall , and finally through evaporation in the form of latent heat into the air .
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利用1951&1990年南海船舶报资料,用直接计算法,采用1°×1°网格,计算了南海海域的月平均感热通量和海面(蒸发)潜热通量。
The data from ship reports in South China Sea from 1951 to 1990 are used . Monthly mean values of sensible heat fluxes and latent heat fluxes of the sea surface ( evaporated ) are calculated in 1 °× 1 ° grids of South China Sea area .
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本文利用一包含湿过程的简单热带大气滤波模式,通过引入辐合反馈机制和下垫面的蒸发效应对凝结潜热释放的贡献的物理过程。
A simple moist and filtered model for the tropical atmosphere was constructed , incorporated with a convergence feedback mechanism and a physical process of evaporation from the lower boundary contributed to the latent release due to condensation .
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结合工程实例,计算了池水蒸发潜热量,得出池水蒸发潜热负荷是空调负荷的一个重要影响因素。
With a project example , calculates the latent heat by pool water evaporation , and concludes that the pool water evaporation is an important factor influencing air conditioning load .
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冰川消融大部分发生在冰川表面,一般来说,在冰川消融过程中,融化是主要过程,蒸发并不重要,因为冰的蒸发潜热远远大于溶解热。
Melting usually occurred on the glacier surface , and is a main process during the glacier ablation period . Evaporation is not important , because ice vaporizing need much more energy than ice melting .