صفحه ی اصلی سوالاتدسته بندی: پمپ های وکیومWhat is the role of high speed Vapour jet in a diffusion pump?
ارمان 3 سال قبل

What is the role of high speed Vapour jet in a diffusion pump?
 
 

Oil diffusion pumps use a jet of hot oil molecules to transport gas molecules (in several stages) from the inlet to the exhaust. The nozzles accelerate the vapour to a speed exceeding the speed of sound (Laval nozzles), thus creating a high-speed vapour jet