The field inspection, fracture analysis and statics analysis were performed for a UAV piston engine exhaust nozzle with fracture failure. 针对某活塞式发动机排气管断裂现象,从断裂处焊接结构缺陷、焊缝组织缺陷和零件工作环境等方面进行分析。
The expulsion of the exhaust products through the nozzle at high velocity produces thrust, the "power" of a rocket motor. 驱逐排气产品通过喷嘴高速产生的推力,“权力”的一个火箭发动机。
Optics Measurement Method of Hot Deformation for Aeroengine Convergent/ Divergent Exhaust Nozzle 航空发动机收扩喷管热态变形的光学测量方法
Multi-objective Optimization for the Driving Mechanism of an Axial-symmetric Vectoring Exhaust Nozzle 轴对称推力矢量喷管驱动机构的多目标优化设计研究
They say Gowadia pocketed$ 110,000 over two years for his exhaust nozzle design. 他们称戈瓦迪亚为他的排气喷嘴设计在两年内获得$110000。
Singularity analysis of axisymmetric vectoring exhaust nozzle 轴对称推力矢量喷管运动奇异性分析
Mechanism of axisymmetric vectoring exhaust nozzle ( AVEN) is analyzed in the view of elastodynamic capabilities. 对轴对称矢量喷管机构进行了弹性动力学分析。
A source flow model incorporate with the characteristics of the exhaust gas and the nozzle is used in the analysis. 这种点源分析方法考虑了排气气体和喷管的特性。
An analysis of strength reliability of the Vectoring Exhaust Nozzle Machine 矢量喷管机构强度可靠性分析
An Economical Analysis between Pumping with Exhaust Blower and Injecting with Injector to Establish Engine Nozzle Conditions 抽气机抽气与引射器引气建立发动机喷口环境条件的经济分析
A Numerical Investigation of 3D Heat Transfer for Axisymmetric Vectoring Exhaust Nozzle 轴对称矢量喷管三维传热计算研究
The Mechanism Analysis for Exhaust Smoke when Two Types of Nozzle are Applied to Diesel Engine 两种不同喷油嘴对柴油机排烟影响的机理分析
Experiment on spectral infrared radiation characteristics of exhaust jet from 2D nozzle of turbofan engine 二元喷管热喷流的红外光谱辐射特性实验
An analytical procedure for computing the performance of aerodynamically variable geometry exhaust nozzle is presented in this paper. 本文叙述气动调节喷管性能计算的分析程序。
A method of designing optimum wall contour for an supersonic exhaust nozzle is dealt with in this article. 本文提出一种设计超音速推力喷管的方法。
An Investigation of Force Measurement for Pneumatic Vectoring Exhaust Nozzle 气动矢量喷管测力技术研究
During the ground test under different working conditions of the gas generator, the influences of the radial clearance and exhaust nozzle area were studied. 在地面台架试车阶段,对比调整压气机径向间隙、喷口面积变化对燃气发生器各性能参数的影响。
The motion of circular pipe driven by sliding detonation was compared with the exhaust part of de Laval nozzle. Based on the one-dimensional theory of de Laval nozzle, the two-dimensional formula for the motion of circular pipe driven by sliding detonation was deduced out. 本文将圆管在滑移爆轰驱动下的运动与Laval喷管扩张段进行对比,利用Laval喷管的一维理论,推导出了圆管在炸药爆轰驱动下的二维抛掷公式。
Partial similarity of twin spool gas turbine means that the high pressure rotor can be considered as a single spool gas turbine operating under a specifical circumstance, the high and low pressure turbines and exhaust nozzle are considered a single components of a combination. 本文提出的双轴燃气轮机的局部相似理论,将高压转子看成一台在特定环境下工作的单轴燃气轮机,将高、低压涡轮及尾喷管看成一个独立的联合部件。
Design and Reserch of Failsafe Hydraulic System for Axisymmetric Vectoring Exhaust Nozzle 轴对称矢量喷管应急复位液压系统的设计研究
This paper describes a separated communicative indication system developed for aeroengine vectoring exhaust nozzle research. 介绍了针对航空发动机矢量喷管研究课题,开发的一套独立通讯显示系统。
A semi-physical simulation test is carried out by simulating vectoring exhaust nozzle, nozzle aperture feedback and aircraft vectoring operation order. 采用模拟矢量喷管、模拟喷管喉道面积反馈、模拟飞机的矢量操纵命令等仿真方法进行了半物理仿真试验。
Wall temperature distribution for axisymmetric vectoring exhaust nozzle ( AVEN) has been computed by means of closure cavity theoretic algorithm and numerical computation of internal 3D flow field in AVEN. 采用封闭腔理论算法,利用矢量喷管的三维内流场数值计算结果,对轴对称矢量喷管的壁温分布进行了数值计算。
Several system-level models of aircraft engines are assembled to verify the validity of the exhaust nozzle model. 通过发动机系统级模型的仿真实验,验证了尾喷管模型的有效性。
Finite Volume Method ( FVM) is used to calculate the 3-D viscous flow in the vectoring exhaust nozzle. The artificial dissipation and its boundary condition are improved to quicken the convergence and upgrade the precision of the numerical simulation. 采用有限体积法计算了轴对称矢量喷管三维粘性流场,通过改进人工粘性及其边界条件提高了计算的收敛性和数值模拟的精度。
The mixing exhaust nozzle has significant potential to meet the challenges of reducing exhaust system infrared radiation. 内、外涵混合排气,可以显著降低喷管空腔、尾喷流和整个排气系统的红外辐射。
Communicative Indication in Vectoring Exhaust Nozzle Test 矢量喷管试验中的通讯显示
In addition, the development of the diesel engine electronic control technology in the exhaust turbocharger with variable nozzle ring, variable intake swirl, variable intake and exhaust doors and exhaust recycling fields were discussed in detail. 本文还介绍了柴油机电子控制技术在废气涡轮增压器可变喷嘴环、可变进气涡流、可变进排气门及废气再循环等领域里的发展。
Exhaust ejector system is composed of exhaust primary nozzle and ejecting mixing duct. 排气引射系统主要由二个部件组成,即引射主管与排气混合管。