1)Thrust loss推力损失
1.Evaluation of engine thrust loss for canard-spanwise blowing;鸭翼展向吹气对发动机推力损失影响的评估
2.Based on zonal approach, flow field of nozzle outlet in different position of the cavity of bottom exhaust has been numerically simulated and thrust loss has been studied.利用分区技术 ,从二维轴对称Euler方程出发 ,应用有限体积TVD格式 ,数值模拟了火箭喷管出口截面处于底排装置空腔中不同位置时的燃气流场 ,并进行了推力损失研究 。
3.As the orientation angle rises,the strength of streamwise vortices increases first and then decreases,while both the entrainment gain of the nozzle and the thrust loss coefficient decrease.然后,用Tam-Thies模型模拟了小突片后倾角不同的喷管的流场,和没有小突片的喷管的计算结果对比,发现:带有小突片的喷管的尾喷流的核心区长度变短,喷管出口下游气体的混合加剧;而当小突片后倾角增大时,核心区长度先减小后增大;在每个小突片下游产生一对方向相反、强度相同的流向涡,当小突片后倾角增大时,流向涡强度呈现出先增大后减小的趋势,而喷管的引射系数增益和推力损失系数都逐渐减小。
英文短句/例句
1.These thrust losses may be very large if the inlet flow distortion is in the order of 15 to 20 percent.若进口流场的畸度在15％-20％范围内的话，则推力损失就可能十分巨大。
2.When ejectors are used for pumping this air, attention must be given to minimizing thrust losses.当采用引射器来抽引冷却空气时，必须注意减少推力损失。
3.Nitrogen (IG-100) Extinguishing SystemFormula Derivation for Pressure Loss in Pipeline氮气(IG100)气体灭火系统管道压力损失公式推导
4.So there will be no loss whatever of gas all the expansive force of the powder will be used.这样就不会损失一点气体，而火药全部的膨胀力就都变成推动力了。
5.temporary hearing loss暂时性听力损失 暂时性听力损失
6.It can not require a pressure loss.它不会造成压力损失。
7.frictional prestress loss摩擦引起的预应力损失
8.pressure-loss operated deluge valve压力损失动作的雨淋阀
9.head of fluid frictinal loss流体摩擦阻力损失压头
10.fluid drag and head loss水流阻力和水头损失
11.Bayesian Inference for the Loss and Risk Function of Parameter Estimators;参数估计的损失与风险的贝叶斯推断
12.An Extesension of One Loss Distribution Model In Insurance Systems;保险系统的一个损失分布模型的推广
13.The compution formulation of the vortex loss is educed by theorydeduction and experiment examination.通过理论推导和实验验证得出了磁力密封传动器中涡流损失的计算公式。
14.The Loss of Friction and Anchorage for Marssive Tonnage Prestressed Bend Cable大吨位预应力弯曲锚索摩擦损失和锚固损失
15.resistance head阻力压头(用压头表示的阻力损失)
16.Calculation of the Friction Loss of Prestress for a Spacial Tendon空间预应力筋预应力摩擦损失的计算
17.Various Prestress Loss Caculation of Prestress cables(In Chinese)预应力钢束各种预应力损失值的计算
18.Harvest losses increased 1% per day of harvest delay after kernel moisture reached 10%.豆粒湿度达到10％后，收割每推延一天，损失就增1％。
相关短句/例句
deduced content loss推算损失量
1.This peper, through a study ofthe coal sample methane desorption law, has found out the reasons for the deduced content loss of methane in auing the desorption method for coal - bed methane conteat measuremeut, and put forwarcl a new method for coercoming this deduced methane content loss.通过对焦作矿区煤样的瓦斯解吸规律研究，找出了采用解吸法测定煤层瓦斯含量时推算损失量误差的原因，提出了完善推算损失量的方法。
3)pressure loss压力损失
1.Inspecting defects inside impeller of electric submersible pump by fluid pressure loss measurement method;流体压力损失法检测电潜泵叶轮缺陷的研究
2.Design and Calculations of the Pressure Loss of Venturi Scrubbers;文丘里洗涤器压力损失的设计计算
3.Computerization of pressure loss and equalization in multibrached suction pipeline;多分支吸风管路压力损失及平衡的计算机处理
4)resistance loss阻力损失
1.Emulational investigation of resistance loss of silencer used in seawater pipeline;水消声器阻力损失仿真研究
2.Research on test method of resistance loss and equivalent length of valve on tube for gas气态介质条件下阀门管件局部阻力损失与等效长度测试方法的研究
3.Factors affecting the resistance loss of membrane diffuser,including number of aperture,size of aperture,type of aperture,and material of membrane,have been studied to optimize technical parameters in product designing and obtain higher economic efficiency.通过试验研究,总结出可张孔曝气阻力损失的影响因素,以优化产品的结构设计参数,降低产品在工程应用中的能耗,获取更好的经济效益。
5)pressure drop压力损失
1.Theoretical approach to pressure drop across cyclone separators;旋风分离器内压力损失的计算
2.Experiment and analysis of pressure drop characteristics of flexible duct in air conditioning systems;空调系统柔性风管压力损失特性实验与分析
3.Effect of factors on pressure drop in the inertia separation chamber of stripper combine harvester with air suction;气吸式割前摘脱联合收割机惯性分离室压力损失的影响因素
6)hydraulic loss水力损失
1.Numerical simulation of 3D turbulent flow and hydraulic loss in outlet conduit of large pumping station;大型泵站出水流道三维流动及水力损失数值计算
2.Numerical simulation for 3D turbulent flow and hydraulic loss of inlet conduit for pumping station;泵站进水流道三维流动及水力损失数值模拟
延伸阅读
比推力分子式：CAS号：性质：又称比推力。单位质量流量推进剂产生的推力或单位质量推进剂燃烧所产生的冲量。是衡量固体推进剂能量特性的重要参数，单位为N·s/kg。比冲大小对火箭的射程影响很大，比冲越高，射程越远。要获得高比冲推进剂，要求推进剂具有高的化学能、高的燃烧效率和高的喷管效率。目前常用的固体推进剂理论比冲值范围为2391～2666N·s/kg。
