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1. The ramjet engine has many advantages such as simple structure, light weight, little volume, big ratio of pushing and gravity, low cost, and etc.

2. A new supersonic combustion ramjet, or scramjet, engine gets put through its paces at a NASA research center in a ground-based test that simulated Mach 5 conditions in 2008.

3. At present, the ramjet engine jet for military purposes to be optimistic.

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

5. The rotating ramjet is a new conceptive engine based on the ram-compressed technology without any blade or piston but only a ram-compressed rotor is used as its moving core component.

6. Ramjet engine is ideal propulsive equipment for new supersonic missile, and supersonic inlets are important components.

7. Here's the business end of the rotor-tip ramjet, you can see where the fuel line comes in and the sparking mechanism, fairly simple design.

8. In ejector and ramjet modes, working over a wide Mach number range is very important for the RBCC inlet, so the 2D RBCC inlet should be variable-geometry.

9. A new launch method is introduced, which the primary speed is provided by the magnetism-suspension technology, and can realize the near space flying by using of the ramjet engine.

10. The rockets give the planes and missiles enoughspeed to make the ramjet engine workable.

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11. On the basis of predigest the process of fluxion in the engine with reason, numerical model is developed for column-style propellant water ramjet engine.

12. A complete line of Horizontal Wet Process Equipment Incorporating Ramjet Technology.

13. The paper presents the composition, functions, technical performance and research of the solid rocket ramjet engine ground test equipment and measurement control system in detail.

14. As a result, the process of organizing combustion is important to realize the best performance of water ramjet engine.

15. Air - gas dynamic laser is developed as a new conception based on ramjet and gas dynamic laser.

16. The operation principles of adjustment programs and circuits of the fuel regulation system for a ramjet engine at high altitude are introduced in detail. The measuring methods are also described.

17. As the air-breathing engine, the performance of solid rocket ramjet is determined not only by structure of engine and the performance of propellant, but also by flight condition.

18. Furthermore, test on the influence of metal content of propellant to the performance of water ramjet engine is carried out.

19. By means of block structure grid and second-order zonal solver method, the research on supersonic inlet performance of solid rocket ramjet assisted range projectiles was carried out.