节流过程

弱简并理想气体节流过程的讨论

Discussion on Throttling Process with Weak Degenerate Ideal Gas

巷道火灾节流过程及其影响因素的研究

Study on the fire - throttling process of tunnel fire and its influence factors

节流过程中的致冷与致热分析

Cooling and heating analysis for the Joule - Thomson process

节流过程为何与临界温度有关？

Why the Joule-Kelvin Effect is Related to Critical Temperature ?

氨水溶液节流过程中焦汤效应的试验研究

Experimental investigation of Joule-Thomson effect for ammonia solution throttle process

气体的绝热节流过程不是等焓过程

Adiabatic Throttling Process of Gas Is Not Isoenthalpic

在连续的流动中，每一流体元相继地经历节流过程。

Every successive element of fluid undergoes the throttling process in a continuous stream .

对节流过程中压气机静压信号进行延时嵌入重构，发现失稳过程中重构相空间的吸引子结构发生了显著变化；

Phase space was reconstructed based on compressor static pressure signal during throttling of the engine .

对某型单轴涡喷发动机节流过程中的喘振故障进行了试验研究。

Experiments were performed to investigate surge problem of a single shaft axial flow turbojet engine during throttling .

结合节流过程，从实验角度进一步分析了致冷和致热的物理原因。

Furthermore , the physical reasons of cooling and heating are analyzed on the basis of the Joule - Thomson experiment .

在真实气体物态方程中，压强和体积的修正项导致了节流过程的致冷和致热。

Due to the terms of pressure and volume corrections , the real gas occurs heating or cooling during the Joule-Thomson process .

对某型涡喷发动机节流过程中压气机的气动不稳定问题进行了分析研究。

The compressor 's aerodynamic instability problem of a certain turbojet engine in the process of the throttling operation was experimentally studied .

建立了U型管节流过程的数学模型，进行了模拟和实验研究，分析了节流过程动态的参数变化，以期为U型管的优化设计提供理论参考。

The mathematical model of U shape pipe of throttling process is presented . Simulation and analysis on the dynamic performance has been done .

为了对某涡喷发动机进行稳定性监控，对节流过程中的压气机机匣壁面静压信号进行了方差分析。

In order to monitor the stability of a certain compressor , casing wall static pressure during throttling operation is analyzed with variance method .

讨论气体绝热节流过程中的温度效应时，一般要引入转变曲线这一概念。

The conception of " inversion curve " is usually introduced in the discussion of the temperature effect for adiabatic throttling process of gases .

所发现的压气机端壁流态特征可用于发动机节流过程中工作点接近失速边界的程度的判定，具有一定的工程应用价值。

The observed end wall flow patterns can be used to assess the stall margins during engine throttling , and thus , it has certain value in engineering application .

巷道火灾节流过程中各物理参数变化时序是正确模拟非稳态火灾过程和救灾决策的基础。

In the process of tunnel fire throttling , the variation time sequence of various physical parameters is the bases for accurately modeling the unsteady fire process and fire fighting decision-making .

讨论了高压天然气绝热节流过程中节流系数的确定。任意状态下的节流系数可利用计算式确定，平均节流系数可利用天然气的焓-压图和等焓计算式确定。

The determination of throttle coefficient of high-pressure natural gas in adiabatic throttle process is discussed , and the average throttle coefficient can be calculated by the enthalpy-pressure chart and equal enthalpy equation .

抽真空及抽真空与节流过程相结合的方案最终获得的超流氦液体率分别约为100%、90.3%。

The final liquid ratio of superfluid helium by vacuum-pumping accompanied with throttling process is 90.3 % , and the complexity and the cost of the equipment is similar to the vacuum pumping plan .

建立了计算风冷小型空调器启动、停机过程的动态数学模型，其中压缩与节流过程采用稳态模型，而换热器则采用动态分布参数分相流模型。

This paper presents a dynamic model of air-cooled unit air conditioner during start-up / shutdown processes , in which dynamic distributed parameter models of two-phase flow in heat exchangers are used , and steady state models are applied for the compression and throttling process .

高速液压缸平板节流缓冲过程的研究

Study on Flat Plate Throttle Cushion Process of High Speed Hydraulic Cylinder

U型管节流动态过程模拟研究

Research on dynamic throttling performance of the U shape pipe

节流膨胀过程中的理想量子气体

Ideal Quantum Gas in A Process of Throttling Expansion

车用发动机进排气节流制动过程的微机模拟及试验研究

Computer Simulation and Experimental Study of the Engine Braking Process with Intake and Exhaust Throttling

简述了流体在节流减压过程中的空化现象所造成的危害以及预防措施，同时提出工艺设计中需要注意的问题。

Harms resulting from cavitation in throttling of fluids and preventive measures are briefly presented , and points for attention are proposed in process design .

基于短喷嘴相关流动特性的可视化研究成果，分析了制冷剂在膨胀阀节流膨胀过程中的主要物理现象。

Based on the visible experiments of flow characteristic in short nozzle , the main physical phenomena were introduced about the throttle process in expansion valve .

为拓宽该方程的适用范围，文章从热焓的普适性热动力学关系出发，推导了该方程的热力学焓差方程式，并把它应用于绝热节流计算过程。

In order to widen the scope of application of the equation , a thermodynamical enthalpy potential equation of the LHSS equation was derived according to the thermodynamical relation of universality of the enthalpy , and it has been used for calculating the process of adiabatic throttle .

本文对压井期间节流阀调节过程中压力脉冲在井眼环空气－液两相流中传播速度进行了数值模拟。

In this paper , pressure pulse propagation in two-phase gas-liquid flow for wellbore annulus is simulated when choke was controlled during kill well .

针对以上问题，研究开发了CO2摆动转子式膨胀机以代替系统中的节流阀回收膨胀过程能量。

Based on the above principle , a CO2 swing type expander was developed to take the place of the throttling valve in the system to recover power during the expanding process .

最后，本文动态分析了节流阀初始开启过程中阀套和阀芯的热变形过程。

Finally , the process of thermal deformation during valve opening period was investigated .