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Report
Data sources: UnpayWall
https://doi.org/10.2172/483383...
Report . 1961
Data sources: Crossref
https://dx.doi.org/10.2172/483...
Other literature type
Data sources: Microsoft Academic Graph
University of North Texas: UNT Digital Library
Report . 1961
Data sources: Bielefeld Academic Search Engine (BASE)
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HOLWECK TYPE MOLECULAR PUMP

descriptionPublicationkeyboard_double_arrow_right Report , Other literature type 01 Aug 1961 United States Publisher:Office of Scientific and Technical Information (OSTI)
Authors: Sickafus, E. N.; Nelson, R. B.; Lowry, R. A.;

doi: 10.2172/4833839

HOLWECK TYPE MOLECULAR PUMP

Abstract

The general design of a Holweck-type molecular pump is considered. The design consists of a stationary helical pumping groove cut inside a cylindrical bore and a closely fitting smooth cylindrical rotor spinning concentrically inside this housing. Approximate analytical expressions were obtained for the pumping speed and ultimate pressure ratio of this type pump. (J.R.D.)

Country
United States
Related Organizations
Keywords

Cylinders, Planning, Pressure, Velocity, Machine Parts, Molecules, Engineering And Equipment, Pumps, 620

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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