Studies on the oil Diffusion Pump with a Long Divergent Nozzle

Autor:	Yoshiaki Uemura, Munezo Takai
Rok vydání:	1953
Předmět:	Mechanism (engineering) Materials science Diffusion pump Nozzle Physics::Optics Mechanics
Zdroj:	SHINKU GIJUTSU. 4:134-154
ISSN:	1883-7182
DOI:	10.3131/jvsj1950.4.134
Popis:	The auther found out that the three guantities, absolute pumping speed, coefficient of backdiffusion and pumping speed of the forepump, should be considered as to express the mechanism of a diffusionpump jet.Descriptions of the apparatus used for measureing the absolute pumping speed of a diffusion pump are shown with the measured values
Databáze:	OpenAIRE
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