目的是讨论离心式叶轮内理想气体与实际气体流场分析结果之间的差异。
This paper presented the flow field analysis in centrifugal impellers compressing perfected real gas respectively.
建立了内燃机换气系统普遍使用的弯曲圆形管道气体流场计算的三维模型及有关边界条件。
The model of three-dimensional flow in circular bend tube which is widely used in gas exchange system of internal combustion engine is developed in this paper.
对于大管径气体传输来说，气体流场分布情况会影响流量测量的性能，并造成较大的测量误差。
As far as big diameter pipe gas transport is concerned, gas flow distribution will influence the flow measurement performance, and cause a large measuring error.
与观测事实比较后表明，我们得到的尘埃颗粒及气体的速度流场都与观测事实相一致。
The velocity fields of the dust grain and gas are consistent with the observational facts.
本文用数学模型法预报了中心底吹气体搅拌的液态伍德合金流场。
The flow field in liquid Wood's metal with centric gas bottom-blowing was predicted by a mathematical model.
利用流体动力学的基本原理用计算机模拟了大尺寸齿轮在井式渗碳炉内进行气体渗碳时的流场分布。
The computer simulation of fluid flow in pit furnace when large sized gears gas carburized has been done using the theory of hydrokinetics.
本文对压缩理想气体和实际气体的离心式叶轮作了流场分析。
This paper presented the flow field analysis in centrifugal impellers compressing perfect and real gases respectively.
根据气体动力学原理，对纺粘法非织造工艺中负压拉伸的下吸风装置进行了理论研究，并通过计算风道流场中的各参数，改造下吸风装置。
The spunbond suction drawing system was studied according to the gas-dynamic theory, and it was modified by calculating various air current parameters of the drawing system.
风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。
The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.
模拟结果给出了突扩燃烧室内湍流预混反应流的气体时均流场、组分浓度场与温度场的分布。
The calculated results cover the time averaged gas flow field, species mass fraction and temperature distributions for the premixed reacting flow in the sudden expansion combustor.
为了详细研究涡轮叶栅的气动特性，深入了解涡轮叶栅流道内的气体流动，对某型涡轮导向叶栅内的流场结构进行了数值模拟。
For investigating the aerodynamic character of the turbine cascades, understanding the detail flow in turbine cascades, the computational investigation was applied on some type turbine guide vane.
通过流场分析可以看出，流场对称性很差，底流出口附近气体含量较多，说明气液分离效果不好。
The flow field analysis shows that the gas-liquid separating efficiency is not satisfied with the bad axial symmetry of the flow field and high gas content near the underflow outlet.
由于制备薄膜的反应器中气体流动具有复杂和不可观测的特点，国内对MOCVD反应器内部流场和温度场的研究只处在起步阶段。
Because of the complicated transport process and invisible characteristics, domestic researchers have carried out few explorations on internal flow and temperature distribution of the MOCVD reactor.
用源汇模拟同位素分离气体离心机流场的供取料驱动和机械驱动是离心机流场计算中的方法之一。
The sources and sinks are used to simulate the mechanical drives and the drives of the feed and withdrawals in the simulation of the flow field of a gas centrifuge for isotope separation.
采用合理的计算模型对大型空冷汽轮发电机通风结构中气体运动流场进行数值模拟是保证数值计算结果是否正确的关键。
Rational modeling of air movement in ventilation ducts of large air-cooled turbogenerator is the crucial factor for correct numerical calculation.
与观测事实比较后表明，我们得到的尘埃颗粒及气体的速度流场都与观测事实相一致。
The fact that man's body is a speck of dust on a small planet leads to the illusion that humans are a small creation.
在分析中将压气机内的流场按可压缩气体处理，同时考虑温度对颗粒运动轨迹的影响。
In this simulation, the particle trajectory affected by the temperature in the compressor must be considered because the high gas velocity leads to the gas temperature increasing.
利用IFA300型二维恒温热线风速仪系统对双旋流气体燃烧器模型的冷态流场进行了实验研究，测量了流场内不同位置瞬时速度分布及湍流强度特性。
An experimental study was conducted of the cold-state flow field of a dual swirl gas burner model through the use of an IFA300 type two-dimensional constant-temperature hot-wire anemometer system.
计算了二维轴对称气穴流场的速度、压力及气体体积比分布。
The velocity vector distribution, pressure distribution and contours of volume fraction of air were predicted for an axisymmetric case.
由空压机提供的气体通过一排微小直径的喷嘴进入静止水体，形成水气两相流流场。在单相PIV和PTV技术的基础上，研究稀疏气液两相流情况下气泡的速度场分布。
The gas phase was produced by air compressor and entered into still water in the model by little diametical nozzle on line, and the gas-liquid two phase flow field was formed.
由空压机提供的气体通过一排微小直径的喷嘴进入静止水体，形成水气两相流流场。在单相PIV和PTV技术的基础上，研究稀疏气液两相流情况下气泡的速度场分布。
The gas phase was produced by air compressor and entered into still water in the model by little diametical nozzle on line, and the gas-liquid two phase flow field was formed.
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