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- base bleed extended range 底排增程
- The base bleed unit is used to give an increased range of fire. 这种底部排气装置可以增大射程。
- It is shown that reducing the base drag of projectile and increasing the range of it are possible by means of base bleed burning in subsonic and transonic speeds. 说明在亚、跨声速下采用底排燃烧的方法仍可有效减少弹丸底部阻力增加射程。
- New route to advanced Boeing 747-400ERF Extended Range Freighter operation. 新航线会以先进的波音747-400ERF延程货机运作。
- The combustion in the gun bore of the base bleed charge is considered in one-dimensional combustion model of the base bleed device. 建立的底排装置一维燃烧模型,考虑了底排装置药剂在火炮膛内的燃烧情况。
- The U.S.Navy will cease funding Raytheon's efforts under the Extended Range Guided Munition (ERGM) contract. 美国海军将取消对雷声公司增程制导弹药(ERGM)合同的投资。
- Then, the base bleed method is introduced on a general supersonic missile to decrease the base drag of the inlet cowl for the first time and is validated by wind tunnel test. 本文首次将底部排气法应用于导弹上,结合一种具有常规气动布局的超声速导弹进行了底部排气方案设计,采用一种“底窝器”来提高进气道整流罩的底部压强,并进行了风洞实验验证。
- Avoid to use brunet cleaner, because be brought easily,extend range of pigment infiltration crock. 避免使用深色的清洁剂,因轻易引致色素渗入缸面。
- The initial pressure and the depressurization velocity are the core factors that determine the combustion characteristics of composite base bleed charge. 决定这些行为特性的核心因素是降压前的初始压力和降压速率。
- The measurement principle and configuration of a formation imaging tool XRMI(Extended Range Micro-resistivity Imager) developed by Halliburton Co. 简要介绍了增强型微电阻率成像仪(XRMI)的测量原理和结构。
- To minimize the base drag and obtain optimized result of drag,it is important to select correctly the stern length,stern angle and base bleed parametres. 使用优化设计方法,正确地选择船尾长度、船尾角以及底排装置的各种参数,使其后体阻力最小,达到最佳减阻效果,求得这些参数的优化结果
- The measurement principle and configuration of a formation imaging tool XRMI (Extended Range Micro-resistivity Imager) developed by Halliburton Co. is introduced briefly. 摘要简要介绍了增强型微电阻率成像仪(XRMI)的测量原理和结构。
- Extended Range Munitions (ERM) reflects the requirement for a five-inch guided projectile to provide enhanced range and accuracy as compared to existing conventional ammunition. 增程弹药(ERM)计划反映了美军对能提供比当前传统弹药更远射程和更高精确度的五英寸制导弹药的需求。
- Increasing range of a projectile with gliding flight is a quite efficient technique.The flight process of gliding extended range projectile is explained. 摘要增程技术是弹箭技术重点发展方向之一,而滑翔增程是目前采用的较为有效的一种弹箭增程技术。
- By coupling the base bleed cavity equations and the gun interior ballistic equations, one-dimensional distributions of the pressure, temperature and velocity in the base bleed device and gun bore have been analyzed. 将底排内腔方程组与火炮内弹道方程组进行了耦合求解,分析了底排装置内和火炮膛内一维的压力、温度和速度分布规律。
- In addition, the USAF continues to fund development work of the Aerojet (formerly Atlantic Research) Variable Flow Ducted Rocket ramjet system as a future propulsion option for an extended range AAM. 此外,美国空军继续投资于航空喷气研究所(原来的大西洋研究所)的可变喷流管火箭发动机系统,将其作为增程空空导弹的未来推进选项。
- EFFECT OF INITIAL TEMPERATURE OF BASE BLEED GRAIN ON ITS RANGE 底排药柱初温对射程的影响
- Well equipped, these instruments feature: multiple entrance and exit ports, high precision wavelength drives, extended range operation, Echelle, and oversize grating mounting capabilities. 这些精良装备的特点是:多重进出口,高精度波长驱动,可拓展的操作范围,阶梯光栅,大光栅挂载能力。
- In order to assure that the range of gliding extended range projectile can be extended efficiently, the aerodynamic design and analysis of canard rudder surface of gliding projectile were carried. 摘要为了保证滑翔增程弹箭在滑翔飞行过程中有效地增程,必须对滑翔弹箭的舵面进行气动设计与分析。
- Wind tunnel tests of ambient effects of base bleed 底排环境效应风洞实验