对五种不同燃烧室体积的脉冲发动机在小、中和大油门开度三种供油条件下测定其排放物。
The exhaust gas ingredients of pulse engines, with five different combustion chamber volumes, throttle valve at small, middle and wide opening positions respectively, are tested.
本文给出一种模型燃气轮机燃烧室中三维气相反应流流场的数值计算结果。
This paper describes the numerical calculations of gaseous reacting flows in a model of gas turbine combustors.
本文采用三种不同亚网格尺度模型对带有V型稳定器的模型燃烧室二维瞬态紊流流动进行了大涡模拟。
The transient turbulent flows were predicted by large eddy simulation in a model combustor with a V gutter flame holder.
采用数值模拟方法对燃用天然气的某型航改燃气轮机环形燃烧室进行三维流场分析。
The three-dimensional flow field of annular combustor for aero-derivative gas turbine burning gas fuel was numerically simulated.
本文还利用FLUENT软件对该燃烧室的冷却水流场进行了三维数值模拟。
The paper makes a three dimension numerical simulation to the cool water of the combustion by means of FLUENT software.
本文从燃烧室压力、系统工作循环方式以及最大推力三个方面叙述了世界各国液体火箭发动机的技术水平。
This paper presents the development of the liquid propellant rocket engine technology from the viewpoint of combustion chamber pressure, thrust level and power cycle.
利用该模型针对某燃烧室设计进行壁温预测，并进行了三种增大冷气量方法的冷却效果比较，研究了同比例减小孔径和孔间距的冷却特性。
By this model, we compare the cooling effectiveness of three methods and analysis cooling characters when reduce the diameter and pitch of the holes at the same scale.
燃烧室是汽化器的类型，因此是有三个预热刻录机。
The combustor is of the vaporiser type, and hence is equipped with three preheat burners.
对两种不同的燃烧室头部（三旋流杯头部为A型、双旋流杯头部为B型）进行了研究。
Two kinds of combustor domes were investigated, of which one was that with three swirlers (A model), and the other with two swirlers (B model).
第三代汽油清净剂在保持发动机喷嘴、进气阀清洁的同时，增加了燃烧室沉积物(CCD)，这将增加部分污染物的排放。
Although third generation gasoline detergent additives keep nozzles and intake valves of engines clean, they simultaneously increase combustion chamber deposits (CCD).
计算结果表明，程序编制可靠，建立的三维网格生成和流场计算程序可为燃烧室优化设计和研制提供有用的数据。
The calculation results are reasonable, so it reveals that computer codes are reliable for the optimum design and development of combustor.
在三维任意曲线坐标系下采用不同的亚网格燃烧模型对环形燃烧室火焰筒气液两相湍流瞬态反应流进行大涡模拟。
Two different subgrid-scale combustion models were used for the Large-Eddy Simulation (LES) of turbulent chemical reaction flows in a model combustor with V-gutter flame holder.
对于中小型非道路用柴油机而言，优化油、气、燃烧室三者之间的匹配是降低尾气排放最重要的手段之一。
For small non-road diesel engines, optimized matching among the fuel injection, in-cylinder air movement and the combustion chamber is an important means to reduce exhaust emissions.
固体火箭发动机的点火是一个十分复杂的物理化学过程，包括三个阶段：点火延迟、火焰传播和燃烧室气体充填。
The ignition of the solid rocket motor (SRM) is a very complex physical and chemistry process, which is composed of three component phases: ignition delay, flame spreading and chamber filling.
对某锥柱形装药固体火箭发动机(SRM)燃烧室和喷管的内流场进行了三维两相一体化计算。
This paper makes a 3-d two-phase flow united calculation of the inner flow field of chamber and nozzle in certain SRM.
在任意曲线坐标系下对带有横向波纹隔热屏、外冷却通道和尾喷口的涡喷加力燃烧室的三维热态流场进行数值模拟。
The flow field calculation and buckling analysis were conducted for the afterburner with a heat shield, flame stabilizer and jet nozzle.
在任意曲线坐标系下对带有横向波纹隔热屏、外冷却通道和尾喷口的涡喷加力燃烧室的三维热态流场进行数值模拟。
The flow field calculation and buckling analysis were conducted for the afterburner with a heat shield, flame stabilizer and jet nozzle.
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