最后,对引射器进行了数值模拟。
At last, numerical simulation of this ejector was performed.
设计了一个空气引射器作为第一级稀释装置。
研究结果可以为被动式引射器的设计与使用提供依据。
From this, the optimum structure was obtained. The calculated results provide the basis for the designing and using of passive ejectors.
设备,例如混合漏斗、泵、固体引射器等,都可使用。
Conventional equipment such as mixing funnels, pumps, solids eductors and the like can be employed.
当采用引射器来抽引冷却空气时,必须注意减少推力损失。
When ejectors are used for pumping this air, attention must be given to minimizing thrust losses.
采用理想流体一元管流理论,建立了引射器的理论计算方法。
The Calculating methods of the ejector were presented using the theoretical base of One-dimensional ideal flow.
本文采用上述数值算法模拟了超声速扩压器和超声速引射器内流场。
In this paper, the flow field of the supersonic diffuser and the subsonic-supersonic ejector is simulated by numerical method.
推导了引射器和燃烧室特性方程,给出了最佳结构条件的计算公式;
The characteristic equations, the optimum equations of injector and burner house are given and analyzed.
首先,本文介绍了引射器的基本原理,对其基本结构进行了设计计算。
Firstly, the basic fundamental of ejector was introduced and its structure was designed and computed.
利用直列放置的发动机排气扩压器和辅助引射器,可以避免上述许多困难。
Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem.
对实验结果进行分析,指出喷嘴轴向位置,混合管长度对引射器特性的影响。
From the experimental results the effects of nozzle axial position and mixer tube length upon ejector characteristic are revealed.
提出了一种虚拟风室模型,以精确计算引射器在各种主流速度下的引射空气量。
A virtual wind chamber was proposed to accurately predict entrainment rate of the ejector at variable mainstream speed.
本文介绍了高超声速风洞引射器阀门系统采用计算机控制的设计思想和原理框图。
The design concept and principle of injector valve system of hypersonic wind tunnel controlled by the computer are introduced in this paper.
阐述了向心折流式中心引射器的结构方案,分析了其技术效果,归纳出其设计要点。
The structure of centre ejector with backflow is described, the technical feature is analysed and the main points of design are introduced in the paper.
在实验中,主要通过调整一次空气系数和引射器喷口的大小,达到稳定燃烧的运行工况。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
在实验装置上对气体引射器计算基本公式进行了实测验证,分析了理论特性曲线的可信度。
Experimental works for verifying the basic calculation equation of gas injector have been conducted on the lab-testing rig.
计算结果与实验结果符合较好,这表明该数值方法是研究超声速引射器的一种重要研究手段。
The calculated results agree well with the test results and it shows that the numerical methods can be used for the study of the supersonic ejector.
但使用超音速引射器后,当球罐压力下降到某一值时会产生高频噪声,影响管束区操作环境。
Then the supersonic ejector is used, the high frequency noise will take place when the pressure in store tanks decreases to a specific value, and the environment of.
利用引射器将低压焦炉煤气引入高炉热风炉中以提高风温,达到了降低焦比、提高生铁产量之目的。
Coke gas was introduced into blast furnace hot air stove by use of ejector to increase air temperature so as to achieve the aim of reducing coke rate and increasing the production.
建立了燃烧器引射器参数的计算模型,为侧壁燃烧器的防回火设计提供了简单可靠的设计计算方法。
The calculation model of the burner inductor parameters was built up. It provided a simple and reliable design method for anti-backfire design of the side wall burner.
该装置包括钢水罐底部的滑动水口,其特点是在所述滑动水口的出口通过连接套与一个引射器相连接。
The device includes a slide gate arranged at the bottom of the ladle, which is characterized in that the slide gate is connected with an ejector by a connecting sleeve.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟,得出喷嘴位置与一次空气系数的关系。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
给出了可调式引射器工作流体和引射流体入口、引射器出口的边界条件以及初始条件,并进行了相应的数值处理。
The boundary and initial condition, such as the inlet of the primary fluid and the secondary fluid, the outlet of the injector are given, and make the relevant numerical disposal.
根据发生炉煤气的特性,采用强制预混燃烧方式,设计了点火器的喷嘴、引射器及烧嘴,并对稳定火焰的方法也进行了研究。
This paper explained the design of nozzles, injectors and burner cones of new ignition with producer gas on forced pre-mixing and the method of flame stability.
以压缩空气为动力的气体引射器,它是用在无底阀水泵上的抽气引水设备,具有结构简单、加工制做容易、耗气量小、效率高等特点。
The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.
用试验方法研究了该加热器在低进汽压力下的引射性能和加热性能。
Ejecting and heating performance of the heater at low steam pressure was studied through the experimental method.
运用正交分析的方法,确定了引射除尘器的最佳结构。
Applying the orthogonal analytic method, the best structure of the extration is found.
提出用石灰废水为吸收剂、选择引射式洗涤器来进行烟气脱硫的方案。
A scheme using lime waste water as absorbent and selecting ejector scrubber for sulfur dioxide removal is suggested.
给出了一种可应用于非标准给料系统的引射式风粉混合器的设计。
The design of a kind of jet mixture used in material feed system was discussed in this paper.
给出了一种可应用于非标准给料系统的引射式风粉混合器的设计。
The design of a kind of jet mixture used in material feed system was discussed in this paper.
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