According to the actual volume of gas molecule and effort between molecules influencing the gas action, in the Van der Waal formula of ideal gas state, the amending terms of n~2a/v~2 and nb is introduced and then the formula (p+n~2a/v~2)(v-nb)=nRT forms to describe the actual gas action.
范德华针对实际气体分子自身体积和分子间作用力对气体行为的影响,在理想气体状态方程式中引入修正项n2aV2)(V-nb)=V2和nb而得出描述实际气体行为的方程式———范德华方程式(P+n2anRT。
This article discusses actual gas by means of statistical thermodynamics and draws two conclusions:(1)In actual application there will be some gas which meets pV=nRT relatively,but don t meet U=(T).
本文用统计热力学的方法讨论了实际气体,指出:在实际应用中会出现在某些条件下满足pV=nRT但不满足U=(T);绝对满足理想气体状态方程的气体一定满足焦耳定律。
A new method is presented to calculate temperature extremum of actual gas in arbitrary process and an example is given.
给出了一种普遍求解实际气体经过任意过程温度极值的计算方法,并举例进行了讨论。
Another method for resolving internal energy of real gases;
实际气体内能的另一求法
A study on the process of quasi-static state of real gas;
实际气体准静态过程的研究
In the paper, modification suggestion to Vander Waals gas model is provided;state equation and internal energy formula which are more suitable for characteristic of real gas are derived.
该文对范德瓦尔斯气体模型提出修改意见,并导出更符合实际气体特点的状态方程和内能公式。
Three dimensional turbulent R134a gas flow in an unshrouded centrifugal compressor impeller is numerically simulated using real gas model.
使用实际气体模型对R134a在半开式离心压缩机叶轮内部三维湍流进行了数值计算,比较了比容比相等情况下实际及理想气体模型对压缩过程的差异。
As per the relation of volumetric heat of real gas with residual enthalpy, the universal correlation equation was derived for volu-metric heat of real gas; comparison was made between the calculating result by this correlation equation and the calculating result by using the published method.
根据真实气体热容与剩余焓的关系 ,导出了计算真实气体热容的普遍化关联式 ,将该关联式的计算结果与采用文献方法的计算结果进行了比较 ,结果表明 ,该关联式的计算误差一般在 5 %之内 ,比文献方法准确性高且更简单方便。
A mathematical model for calculating the pseudo pressure of real gas is presented in this article.
通过精确的计算粘度μ和压缩因子ｚ，找出渗流方程得以简化时压力的精确范围；提出了定温时真实气体拟压力计算的简单数学表达式，并进一步回归其方程系数，得出适用于任意温度，任意压力下真实气体拟压力的计算关系式，其计算值与实际测量值相近。
A numerical method using high resolution scheme was established for the real gas which is described with properties(ρ,ρe) or(ρ,e).
推导出一种用密度和内能(ρ,ρe)或密度和比内能(ρ,e)描述的真实气体的高分辨率数值格式,采用IF97计算公式设计相应的以(ρ,ρe)为变量的水和水蒸气性质表,并用一种快速插值的方法将表格中的水和水蒸气状态参数应用到流体动力学计算中。
Determination of the Index and Temperature of the Adiabatic Compression Process for Real Gases
实际气体绝热压缩过程指数及终温的确定
Calculation of Carnot Cycle Efficiency of Real Gas in Quasi-steady Process;
实际气体在准静态过程中卡诺循环效率的计算
Statistical Thermodynamic Model of Real Gas and Computer Simulation of Its Vapor-Liquid Phase Equilibria;
实际气体的统计热力学模型及气液相平衡的计算机模拟
In the paper, modification suggestion to Vander Waals gas model is provided; state equation and internal energy formula which are more suitable for characteristic of real gas are derived.
该文对范德瓦尔斯气体模型提出修改意见,并导出更符合实际气体特点的状态方程和内能公式。
ACFM = actual cubic feet per minute
每分钟立方英尺的实际流量气体的实际流量
PRACTICAl USAGE OF GAS HYPERSENSITIZATION METHOD AT SHANGHAI OBSERVATORY
气体敏化方法在上海天文台的实际使用
It actually helps; by adding air into the mattress, you can increase the thermal value.
实际上这是很有帮助的，在气垫里增加气体，你可以增加温度。
Unlike gases, liquids are difficult to compress because there is practically no free space between molecules.
液体不像气体，它难以压缩，因为实际上分子之间并没有空间。
The magnetic lines of force are in effect glued to the interstellar gas, and they follow the clouds in their capricious motions.
磁力线实际上是紧附在星际气体上，并跟随星际云一道作着变化莫测的运动。
real mixture standard cycle
实际混合气标准循环
IGU (International Gas Union)
国际气体工业联合会
"In other words, these gases "Blow by"the piston. It is not practical to fit the piston to the cylinder closely enough to prevent Blow-By."
换句话说,这些气体是通过活塞溢出的。实际上,活塞与气缸间再严密也免不了会漏气。
To put it briefly, qi transformation is actually the process in which the substances in the body are metabolized and intertransformed.
简要的说，气化实际上是体内物质代谢和转化的过程。
The application of the theory of rotational characteristics will be useful in computation of aerodynamic force.
该方法的应用对轴对称体的气动力计算具有实际应用价值。
THE THERMODYNAMIC FUNCTIIONS OF CLASSICAL EAL GASES WITH POLYATOMIC MOLECULES
任意组元的多原子分子实际混合气体的热力学函数
The weather forecast is always out of whack with the weather we actually get.
天气预报总与实际的天气情况不一致。
Because of this rapid attainment of equilibrium it is not practical to measure the temperature difference between gas and solid at the bed exit.
由于达到平衡很快，故测定床层出口处的气体和固体温度差是不实际的。
the predicted temperature and the actual temperature were markedly different; actual and imagined conditions.
预报的气温和实际气温有很明显的不同；实际的和想象的情况。
