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。
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.
应用有限容积法对发动机排气管系中的气体流动作模拟计算。
FVM method was applied to simulate the unsteady gas flow in manifold of diesel engine.
介绍了进排气系统一维非定常流动的FVM-TVD法(总残差减少的有限体积法)。
In this paper, a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed.
利用有限元法分析了某核电站排气钢塔的固有振动特性,即一阶、二阶振动频率及振型。
The finite element method is used to analyse the natural vibration of a exhaust chimney with steel structure in a nuclear power plant, such as the first, the second frequency and their model.
对管内流体流量的温度相关测量法进行了理论分析,并对柴油机排气温度脉动信号进行相关处理,得出相关流量。
The theoretical analysis is performed for in tube flow measurement by correlation methods, and the correlation flow is obtained from analyzing stochastic temperature signals of diesel gas.
建立某汽车排气消声器的声学分析模型,采用有限元法和边界元法对排气消声器的传递损失进行了仿真分析和试验测试。
The acoustic analysis model for an automotive exhaust muffler is built, and the transmission loss of exhaust muffler is measured by test and also simulated by using both FEM and BEM.
从理论上分析燃煤锅炉不用添加剂在排气的同时,达到除尘、脱硫和脱一氧化氮的效果,并介绍了该净化法的特点。
It theoretically analyzes the result of the purification method for removing dust, sulfur and NO without using any addictive, and expounds the characteristics of this purification method.
排气总管,振动,有限单元法;
在北美与日本等国家,以ABS传感器齿圈、不锈钢排气管 法 兰为代表的粉末冶金4XX系列 不锈钢零件,已成功打入汽车零件市场。
Tone wheels working with ABS sensor and exhaust flanges made from PM 4XX series stainless steel are available in the automotive part market in North America and Japan.
摩托车排气污染物测试分析系统是进行工况法分析不可缺少的设备,因此应建立完善的标定程序。
The test analysis system for motorcycle emissions is a necessary device when the code method analysis is carried out, therefore a perfect calibration program should be established.
本发明涉及一种用于测量内燃机的排气段中废气流温度的方法及装置。
The invention relates to a method and a device for measuring the temperature of an exhaust gas flow in an exhaust line of an internal combustion engine.
本文介绍了“桑塔纳”轿车用工况法测量排气污染物排放的结果。
The measuring results of Santana's emission tested by model emission test method have been introduced in this paper.
膨爆法更快更容易,通风比探测,而且运作非常良好,尤其是在一些物种凯门鳄,但探测排气更可靠的人做的一个经验。
The popping method is easier and quicker than probing the vent, and works very well in some species especially caimans, but probing the vent is more reliable when done by an experienced person.
通过对比试验方法研究了我国的IM195工况与我国国家标准GB18352.2-2001中的新车型式认证工况法排气检测工况、城市工况和短工况的相关性。
With the comparison experiment, it validated the correlation between IM195 test mode and type approval test mode of China (GB18352.2-2001), city test mode and short test mode.
采用适体坐标法和空度法描述了排气缸复杂的结构,开发了排气缸三维网格自动生成软件。
The complex structure of exhaust hood is described by body fitted coordinates and porosity.
本文根据百余种国产摩托车排气污染物底盘测功机工况法测试结果,建立了相应的数据库。
Depending on chassis dynamometer test results from more than 100 motorcycles a relative database has been set up.
基于排气背压法判断DPF再生时机,阐述其再生控制原理。
Based on method of exhaust back-pressure to judge DPF regeneration time, working principle of regeneration control system was introduced.
利用传递函数法分析某汽车排气系统挂钩的局部固有频率,发现一些排气系统挂钩固有频率偏低。
According to local inherent frequency of exhaust hanger systems calculated with transfer function method, it is found that the frequencies of some exhaust hanger systems are low.
利用传递函数法分析某汽车排气系统挂钩的局部固有频率,发现一些排气系统挂钩固有频率偏低。
According to local inherent frequency of exhaust hanger systems calculated with transfer function method, it is found that the frequencies of some exhaust hanger systems are low.
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