Friction is low in air, and the original kinetic energy of the air in the nozzle can not be lost quickly enough. 由于空气的摩擦阻力较小,气流出喷嘴时的动能不会很快消失。
Analysis and evaluation of measurement uncertainty of air flowrate with nozzle 喷嘴式空气流量测量不确定度分析与评定
Can you install an inner tube air nozzle? 能不能装一个气门芯儿?
A Study on the Atomization Characteristics of Air Atomizer Nozzle in Vehicle SCR System 车用SCR系统空气雾化喷嘴的雾化特性研究
For some modes, in which the swirl is unsuitable to the fuel combustion, the air nozzle variable swirl system is a very effective way to decrease the exhaust emission of gases. 对于涡流强度与燃烧不相匹配的发动机工况,喷气式可变涡流进气系统可以有效地降低有害气体排放量。
Brief Explanation on Main Air Metering Nozzle of Carburetor with Fuel Consumption 化油器主空气量孔与耗油量浅析锆质定径水口的研制
Flow characteristics experimental study within connection between steam generator channel head and pump suction has been done by air test without nozzle dams and water loop test with them respectively. 因此对蒸汽发生器下封头/主泵连接处的流动特性进行了试验研究,进行了无挡板的风洞试验和有档板的水回路试验。
Analysis of Air Texturing Nozzle Structure and the Loop Formation 空气变形喷嘴结构与形成稳定丝圈的分析
An experimental study is made of secondary air nozzle angles of an inner circulating fluidized bed in a cold test model. Based on the analysis of experimental results. the optimal angle of secondary air nozzle is given in the paper. 本文在冷态试验模型上对内循环流化床二次风喷嘴角度进行了试验研究,在分析试验结果的基础上得到了最佳二次风喷嘴角度,为内循环流化床锅炉的工程设计提供了实验依据。
Installed at Pingwei Power Station. A secondary air swinging nozzle has been installed at the boiler top to reduce the NOx content in boiler flue gases. An analytical study on the effectiveness of such a method was also undertaken. 本文论述了平圩电厂1#炉烟气中NOx的测定过程.采用了顶部二次风摆动喷嘴方法来降低烟气中的NOx对这一技术措施的实际效果进行了分析研究。
Steam injection and air nozzle injection method from the middle and low torch head is used to replace the simple steam spraying from the torch top, and a high efficient basin muffler is also added. 改造采用火炬头中下部的蒸汽引射空气喷嘴注入方式的方法代替火炬头顶部简单的蒸汽喷射,并加设高效盆式消声器。
Numerical Research on the Effect of Velocity Difference Between Left and Right Parts of Primary Air Nozzle in the Dynamic Field for a Tangential Firing Boiler 一次风喷口速度分布对四角切圆燃烧锅炉炉内空气动力场影响的数值研究
The paper outlines the construction features, the drawing principle, the fix of the air drawing jet nozzle, and the fix methods and the maintenance of the air cavity in the nozzle. 简述了气流拉伸喷嘴的结构特点、拉伸原理、安装调整以及喷嘴气流腔的安装方法和保养。
Using EPC Process to Produce a Fluctuation Air Nozzle Casting 消失模工艺铸造耐热铸铁风帽
NO_x emission behavior has been experimentally studied with 6 geometrically differently shaped burner nozzles and different fuel gas velocities, excess air coefficients, gas flow rate and for differently distanced gas and air nozzle. 对6种不同几何结构烧嘴在不同的燃气流速、过量空气系数、燃气流量以及不同燃气与空气喷口间距下的NOx排放量进行了试验研究。
Air nozzle is widely used in mechanical manufacture engineering such as particle and water removal on work piece, but how to directly and quantitatively evaluate particle removal efficiency is a difficult and significative problem. ***喷嘴广泛地应用于工业除水除尘中,但如何直接量化衡量和评价***喷嘴的除尘效果或效率,是一个非常困难且有意义的问题。
To improve the density of the discharged sand pulp from vertical silo, the new type high pressure air spray nozzle is developed. 提高立式砂仓的放砂浓度,研制了新型高压风喷嘴。
Air nozzle is widely used in mechanical manufacture engineering such as particle and water removal from a surface of a workpiece. ***喷嘴广泛应用于工件表面的除尘除水,但什么是最佳的除尘效率工况是人们关注的问题。
Influence of Diesel Engine Air Nozzle Variable Swirl System on the Exhaust Gas Emission 喷气式可变涡流进气系统对柴油机废气排放的影响
A variable intake swirl system by means of different air injection into helical intake passage for diesel engine is developed, and the influence of air nozzle variable swirl system to the exhaust emission of gases is studied. 设计了一种喷嘴在螺旋进气道内喷射空气的可变涡流进气系统&喷气式可变涡流进气系统。研究了该系统对柴油机有害气体排放物的影响。
Development and Process Test of FD Air Texturing Nozzle FD系列空气变形喷嘴的研制及工艺试验分析
Impinging jets are widely existed in many engineering fields, such as a short takeoff and vertical landing ( STOVL) aircraft, as well as air nozzle etc. The flow characteristics and noise produced in the impingement process have been paid more attentions. 冲击射流广泛应用于短距、垂直起降飞行器(STOVL)等航空航天领域,然而却伴随着流场与噪声等诸多方面的问题,需要深入研究其流动特性和噪声机理,特别是二者之间的关联。
Discussion on Mathematic Model and Measurement of the Flow in the Secondary Air Nozzle of Boilers 锅炉二次风喷口流量的数学模型及测量方法探讨
The first study in this article is on theoretical and experimental research of mechanism of material backflow into air box from air nozzle on air distributor plate in CFB boiler. 本文第一项研究是关于CFB锅炉布风板风帽漏渣机理的理论与试验研究。
In the shape of the burner nozzle under the same circumstances, increasing the dimension of the primary air nozzle can increase the rigidity of the flame. 在燃烧器喷口形状不变的情况下,火焰刚性随一次风口尺寸的增大而增强。
Make dustless gunning possible. ( 2) Use GAMBIT as a pre-processing software to establish the nozzle internal flow field of three-dimensional model. Use FLUENT for high-pressure air nozzle internal flow field in the simulation analysis. 应用前处理软件GAMBIT建立了喷嘴内部流场的三维模型,利用FLUENT软件对高压空气在喷嘴内部流场作了模拟分析。
Analysis of the nozzle shape and size parameters on the nozzle internal flow field. ( 3) High-pressure air nozzle to spray the outside of the simulation process. Analysis of injection pressure and speed the process of change. 分析了喷嘴形状与尺寸参数对喷嘴的内部流场的影响。(3)通过对高压空气喷嘴的外部喷射过程的模拟仿真,分析喷射过程的压力和速度变化,分析喷嘴喷射流场的射流特性。
Modeling and simulation by optimizing the internal structure of the nozzle to study high-pressure air nozzle parameters on the spray nozzle of the impact and changes of the fluid. 通过模拟和仿真,优化了喷嘴内部结构,研究了高压空气喷嘴参数对喷射的影响和喷管内流体的变化规律。