1. ACM(Air Cycle Machine)is an important component of airplane air- conditioning system. To guarantee the reliability of ACM, a regular inspection is needed.

2. The working principle of a bootstrap air cycle refrigeration components is described in detail, such as compressor, turbine, shaft and internal heat exchanger.

3. Set up strong wind water shearing and hot air cycle drying system.

4. In the subsystem of air cycle, temperature in all state points decreases with the increasing altitude.

5. Set up strong wind water shearing and hot air cycle drying system, dry quickly and effectively.

6. The cooling system of reverse bootstrap air cycle driven by powered turbine can be used for cooling the avionics pods.

7. AIR CYCLE MACHINE, A compressor and turbine on a common shaft for cooling the air in an air conditioning system.

8. The conclusion is that this new kind of air cycle air conditioning can be applied well not only in train' s cabin, but also in high- speed train' s cabin. It is friendly environmental and promising .

9. The working principle of new air cycle refrigeration system driven by high_speed motor is discussed.

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10. Using software MATLAB/SIMULINK, the air cycle refrigeration dynamic simulation toolbox for aircraft environmental control system is established with module structure.

11. Two - stage compression positive pressure - boosting circuit of air cycle air conditioning in trains cabin is presented.

12. The humidity generator with saturated aqueous salt solutions has been developed for the first time in China. The generator contains a continuous moist air cycle system and a thermostatic system.

13. Introduce the principles of open-mode, cold-quantity reclaim, low-press, direct-cooling air, absorbing-heat air cycle and key components of the cold-cumulating and dryness tin.

14. The experiment and simulation results show that the energy efficiency of air cycle heat pump dry technology is greatly higher than that of the ventil...

15. Working principle was dis cussed. The possibility and realization measure for this technique in air cycle cooling system was analyzed. The result...

16. When contacts the wall surface or the encumbrance, the eddy current air current then diffusion circulation to the entire indoor space, forms the air cycle effect again and again.

17. Described are the working principles, main parameters and structure of the air cycle refrigeration system applied on the ICE trains in Germany.

18. New air bearing-rotor system is applied to technological rebuild of the shaft system in air cycle refrigerator which uses the conventional rolling bearing-rotor structure.

19. Fanless design, The air drills through above the heat output parts, bidirectional heat output channel makes the air cycle form outside.