这一模型将研究从亚燃到超燃的转换。
This work models the transition from "ram" to "scram" propulsion.
提出了超燃冲压发动机燃烧室的性能分析评价方法。
The methodology for scramjet combustor performance analysis and evaluation is build up.
再生冷却技术是超燃冲压发动机燃烧室热防护的关键技术。
Regenerative cooling technology is one of the key technologies to thermally protect scramjet chamber.
超燃冲压发动机技术是一项新型的、具有广阔发展前景的推进技术。
Scramjet Engine technology is a new type of propulsion technology with bright application prospect.
不过，太空署要如何使得超燃冲压发动机进入持续飞行需要的超音速呢？
But how does NASA plan to get the scramjet to the supersonic speeds necessary for sustained flight?
具体工作如下：1、含有两相流的超燃冲压发动机燃油供给系统模型的建立。
The idiographic work is as follows: 1, the modeling of the scramjet fuel supply system with two phase flow.
基于响应面法进行了二维混合压缩超燃冲压发动机进气道的多目标优化研究。
The uniform design and response surface methodology(RSM) are applied to the multi-objective optimization of a 2-D mixed compression scramjet inlet.
先进亚燃冲压技术对于超燃冲压技术至关重要，而中国数十年来在这一领域一直很活跃。
Advanced ramjet technologies are also important for scramjet development, and the Chinese have been active in this area for decades.
超燃冲压发动机是高超声速飞行器理想的动力装置，是当前高超声速技术领域的研究热点。
Scramjet is the perfect propulsive device to hypersonic vehicle, and is a hot issue in current hypersonic technology area.
超音速流动状态下的高效燃烧过程是研制超燃冲压发动机最重要也是难度最大的关键技术之一。
Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet.
超燃冲压发动机以其高速、高比冲和工作范围宽广的特点，正逐渐成为当今航空航天动力领域的研究焦点。
The scramjet has some advantages of high flow velocity, high specific impulse and wide operating range which become a viewpoint in the research field of power of Aeronautics and Astronautics.
用数值解二维N-S动量守恒、能量及组分守恒方程，模拟了一个设置空腔的超燃燃烧室流场参数分布及性能。
The parameter distribution and performance of supersonic combustor with cavity were calculated by means of the solution of 2-D N-S momentum, energy and mass fraction conservation equations.
采用遗传算法对某试验超燃冲压模型发动机的燃烧室构型参数进行了优化设计，所得方案的性能大大优于实际方案。
Scramjet combustor design optimization for a test scramjet model engine is conducted by employing genetic algorithms, and an optimal design much better than original design is obtained.
高超声速气流在燃烧室的停留时间非常短，使得超燃冲压发动机燃烧室内燃料与气流的混合及其燃烧变得非常困难。
Due to extremely short residence time of supersonic airflow, it is difficult to effectively mix and combust for the fuel and air in scramjet combustor.
超燃冲压发动机的内部流场很复杂，存在激波、膨胀波、附面层和剧烈的化学反应等相互作用，给数值模拟带来很大的困难。
The internal flow fields in scramjet are very complex, due to the interaction of shock waves, expansion waves, boundary layer and strong reactions.
针对广泛应用于超燃冲压发动机的吸热碳氢燃料，简要介绍了用于模拟燃料热物理特性的替代燃料方法和广义对应状态法则。
To investigate the thermophysical properties of endothermic hydrocarbon fuels, the method of fuel surrogate and principle of the extended corresponding states(ECS) were reviewed briefly.
国内已制定了研究计划并正在开展，其中亚燃和超燃模态的研究取得了相当的进展，但引射模态以及模态匹配的研究还刚刚起步。
The progress in subsonic and supersonic combustions has been attained, but the ejecting mode and mode match of RBCC has just been begun.
在这个方案中，一个载物飞行器(比如说搭载着卫星)将(首先)搭载超燃冲压发动机进入相当高度，理论上能够达到近似轨道速度。
In such a scheme, a payload vehicle (holding, say, a satellite) would piggyback to high altitude aboard the scramjet, which in theory could reach near-orbital speeds.
同时说明，在超燃进气道设计过程中，需要充分考虑边界层转捩问题，引入有效的边界层转捩控制方法，以保证发动机的正常工作。
The research coinstantaneous shows that the boundary transition should be considered, and effective transition method should be adopted to ensure the normal work of the scramjet engine.
燃油供给系统控制是超燃冲压发动机控制系统的核心，它的性能和可靠性决定了整个超燃冲压发动机系统的优劣和发动机的安全可靠。
Fuel supply control system is the core of the scramjet control system. Its performance and reliability decide the performance and reliability of the scramjet.
暴燃-可燃气体或蒸汽及空气混合物的燃烧，火焰通过混合物传播，产生了可以忽略的超压或不会造成损坏的超压。
Flash fire - the combustion of a flammable gas or vapor and air mixture in which the flame propagates through that mixture in a manner such that negligible or no damaging overpressure is generated.
研究发现，超细水雾抑制轰燃的效果依赖于雾通量、施加时刻、施加位置等因素。
It was found that the restraining effect relies on mist flux, discharging moment and position.
另外，采用超细组分或添加燃速催化剂也是提高推进剂燃速和拓宽低压可燃极限的重要途径。
The greater the contents of AP and magnesium are, the higher burning rates of the propellant and the broader flammability limit. On the other h…
另外，采用超细组分或添加燃速催化剂也是提高推进剂燃速和拓宽低压可燃极限的重要途径。
The greater the contents of AP and magnesium are, the higher burning rates of the propellant and the broader flammability limit. On the other h…
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