查询词典 ramjet

During the study of Solid Rocket Ramjet, ablation of afterburner thermal insulation is a serious problem, which cannot be ignored.

固冲发动机补燃室绝热层的烧蚀问题是目前固冲发动机研制过程中所面临的一个重要问题。

Ramjet: Air-breathing jet engine that operates with no major moving parts.

冲压式喷射发动机：工作时没有重要运动部件的一种喷射发动机。

Boron is a kind of fuel obstinately searched for high-performance air-breathing solid rocket/ramjet engine and ramjet engine.

硼是高性能吸气式的固体火箭冲压发动机和冲压发动机瞩目追求的燃料，80年代常规固体火箭动力方面对硼燃料也表现了浓厚的兴趣。

The ramjet shell takes on a very important place in the field of cannonball of improved range because of its large cannon-shot and high effect-fee proportion.

而冲压发动机增程弹药以其射程远和效费比好等优点在各类增程弹药中占有重要地位。

Solid rule ramjet is a new type power system that adapts for morden warfare. As the Virtue of SFRJs simple structure, high specific impulse and accommodating the gas flux itself, enormously improve the cannon-shot of the projectile. The SFRJ-projectile has very nice prospects. In this paper, fistly, the combustion and flow in solid fuel ramjet are analyzed, the physical model of the double-cone inlet and combustor within SFRJ are established.

固体燃料冲压发动机是一种新型的，适合现代战争要求的动力系统，由于固体燃料冲压发动机结构简单、比冲高、自适应性好等优点，大大提高了炮弹的射程，使得其具有广阔的应用前景。

Turbofan engine ; Ramjet engine ; Compound engine ; Aerospace plane ; Design ; Research

涡轮风扇发动机；冲压式喷气发动机；混合式发动机；航空航天飞机；设计；研究

This paper referred to simulating the supersonic double cone inlet" s flow field of ramjet pill assisted range projectiles at a variety of working circumstances, pressure contours, density contours and Mach number contours of inlet" s flow field were given When cone combination, relative location of cone core and cowl lip, the pressure of outlet, inflow Mach number and angle were changed, flow field and performance parameters of inlet can be affected. Simultaneity, productive mechanism and inducing factors of the inlet surge were also discussed. Then the best working conditions and the best model of inlet were obtained.

本文对冲压增程弹丸所用发动机的双锥超声速进气道在各种工况条件下的流场进行了数值模拟，给出了进气道流场的等压线图、等密度线图和等马赫线图，从而观察在不同的锥尖角组合、锥芯与外罩唇口的相对位置、出口反压、来流马赫数和攻角时，对进气道流场及性能参数的影响，并探讨喘振现象的产生机理及诱导因素，以便确定最佳的工作状态，得到最优的进气道模型。

On the basis of the waverider configuration generated from the cone flow, the optimization design is conducted on the waverider forebody and the ramjet inlet.

在以圆锥流场生成乘波体外形基础上，对乘波体前体和冲压发动机进气道进行了优化设计。

The adaptive control characteristics of the fuel-richmass flow of the unchoked ramjet are investigated by means of the direct-pipe testing facility- The resultsshow that the unchoked ramjet is superior to that of choke one.

结果表明，非是塞固体火箭冲压发动机是一种性能优良的冲压发动机。

The experimental system of metal fuel/water ramjet was introduced. The unchoked ramjet of metal fuel containing magnesium can burn steadily after once injecting water. In the experiment, the mass flux of water was stable and the pressure of chamber changed similarly with the secondary chamber.

介绍了金属燃料/水冲压发动机试验系统，采用非壅塞式构型实现了镁基金属燃料发动机一次加水后稳定燃烧，试验中进水流量稳定，补燃室与燃烧室压强变化相同。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷