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- turbine nozzle exit velocity 涡轮导向器气体流出速度
- In addition,the temperature distribute on radial and on exit field of combustor were presented.It is useful for the hot design of the turbine nozzle blades. 分析结论可以用于弹用涡喷发动机燃烧室出口温度场预测和涡轮导向器叶片热设计。
- The flow field of the precessing jet is obtained by a hot wire anemometer at the nozzle exit and the precession frequency is identified from a power spectrum density analysis to the velocity signal. 用热线风速仪测量出口射流的速度并进行功率谱分析,得到旋进射流的频率及流场特性。
- The area correction is largest at the nozzle exit, where it may be of the order of 3%. 面积修正在喷管出口处最大,约为3%25左右。
- A heavier arrow loosed by the longbow would have had a significantly reduced exit velocity. 而长弓发射重箭速度有很明显的下降。
- On the basis of fluid mechanics, a comprehensive model for simulating flow field at nozzle exit is developed by using desecrate vortex method. 根据流体力学原理,用离散涡方法建立了在复平面上模拟喷嘴出口流场的一套完整模型。
- Several tabs well distributed and alternately tilted inward and outward around the nozzle exit were more effective on the two-flow mixing enhancement. 多个小突片沿周向均匀分布,且交替向内外倾斜,能更有效地强化混合。
- C1023 is a cast Ni-base alloy used for turbine nozzles. C1023是一种作导向器材料的镍基铸造合金。
- The influences of the inlet angle and inlet total pressure of fluid on the temperature of electrode surface and nozzle exit fluid was analyzed. 分析了空气进口气流角、进口总压和等离子化学反应对电极壁面温度及喷嘴出口气流温度的影响。
- First the standardization of the Five-Hole probe was introduced ,then the variation of the exit velocity was studied when changing the angle of the swirling blades. 本文介绍了五孔探针的标定,研究了不同旋流叶片角度对燃烧器出口速度场的影响。分析了各个工况的轴向,切向,径向速度的变化状况及其扩展角。
- A numerical simulation is conducted with respect to an in-cascade flow field of a high-pressure turbine nozzle assembly of curved vanes in the case of the presence and absence of an air cooling spray. 对采用弯曲叶片的某型高压涡轮导向器有/无冷气喷射时的栅内流场进行了数值模拟。
- For the jet tab TVC,the thrust and lateral forces and thrust vector deflection angles with respect to the nozzle exit area blockage ratio and the depth of water were obtained. 对扰流片推力矢量方式 ,获得了推力、侧向力、推力矢量角随发动机喷口堵塞面积比、水深的变化规律。
- Vortices of nozzle exit and whistle exit move gradually towards the downstream and spread outside under the action of potential flow field and other vortices. 在喷嘴出口与哨嘴出口处形成的旋涡结构,在势流流场和其它涡元的作用下逐渐向下游运动,并向两边扩散。
- Uniform distribution of cavitation at the nozzle exit section is obtained by increasing length-diameter ratio and leads to the improvement of atomization. 从燃油空穴雾化理论的角度出发,空穴强度的提高以及在出口截面上的均匀分布都有利于燃油的破碎雾化。
- By the study of Flame Propagation Theory and Flame Stability Theory, backfire and yellow flame can be avoided by regulating the speed of flame propagation and exit velocity of mixture current at orifice. 通过对火焰传播理论和火焰稳定性理论的研究,综合调节火焰传播速度和火孔处混合气体的气流出口速度,不仅能保证煤制气燃烧时不回火而且燃烧完全,使黄火少甚至可以没有黄火。
- During the course of developing and using high ballistic performance artillery with high exit velocity, high chamber pressure and high loading density, there were many accidents of breech blow. 在高初速、高膛压和高装填密度为特征的高弹道性能火炮的研制与使用过程中,曾经出现过多次膛炸事故。
- Equivalent area of turbine nozzle 涡轮当量喷嘴面积
- Experimental Study of Gas Turbine Nozzle 燃气轮机燃料喷嘴实验的研究
- Then,the flowfield of nozzle exit vicinity and backflow region are calculated by using DSMC method,The results show that with this method,the flow property of this region can be accurately described. 本文分析了高空羽流流场的特性,论述了DSMC方法的原理以及涉及到的关键技术,应用DSMC方法数值求解了喷管出口附近及倒流区流场。
- Study on PIV measurement of exit velocity distribution of Francis turbine runner 混流式转轮出口流速分布的PIV测试研究