In this paper, a method of entropy has been used to investigate vortex tube, throttle valve and expansionturbine.
本文利用熵法对涡流管、透平膨胀机及节流阀三种装置进行了研究。
2
Expansionturbine is widely used in light hydrocarbon recovery unit, but some important techniques and operating problems are still inquired into.
透平膨胀机现已广泛应用于轻烃回收装置，但对此类装置的一些重要的技术和操作问题一直在探讨之中。
3
The absolute hydrogen expansionturbine cycles of air-breathing combined turbo-ramjet engines has the advantages of good performances, simple constructions and reasonable arrangement of cycles.