'Ion gauge' presentation slideshows

Overview of Vacuum Systems

Overview of Vacuum Systems. Tejas Deshpande 24 July, 2014. Outline. Introduction Pumps Positive displacement pumps Momentum transfer pumps Entrapment pumps Pressure gauges Vacuum seals Manipulation and motion under vacuum. Introduction. Introduction: definitions.

515 views • 24 slides

Pressure measurement From Wikipedia, the free encyclopedia

Pressure measurement From Wikipedia, the free encyclopedia. M anometer: a pressure measuring instrument , usually limited to measuring pressures near to atmospheric. The term manometer is often used to refer specifically to liquid column hydrostatic instruments. Zero reference.

469 views • 24 slides

Vacuum Fundamentals

Vacuum Fundamentals. Lecture 5 G.J. Mankey gmankey@mint.ua.edu. Vacuum. Vacuum. A vacuum is defined as less than 1 Atmosphere of pressure. 1 Atm = 10 5 Pa = 10 3 mbar = 760 Torr Below 10 -3 Torr, there are more gas molecules on the surface of the vessel then in the volume of the vessel.

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Before degassing RGA head

Test dewar pressures (dewar completely empty) Dec 22 at 09:00 7.7e-7 torr. RGA scans of test dewar December 23, 2005 (PR and SP). Before degassing RGA head. After degassing RGA head. Ion Gauge readings : Vacuum (with RGA off) before degassing 6.0 E-7 Torr

401 views • 11 slides

Long-lived electrons

ECLOUD07 Conference & Electron Cloud Instrumentation in the Main Injector Bob Zwaska Accelerator Physics Department Meeting May 16, 2007. Long-lived electrons. Low energy electrons trapped in quadrupole. ECLOUD 2007 Workshop. April 9-12, 2007 -- Daugu, ROK 38 participants

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227 views • 11 slides

NSTX

NSTX. Supported by. Vacuum Pumping, Gauging and RGA Systems. Culham Sci Ctr U St. Andrews York U Chubu U Fukui U Hiroshima U Hyogo U Kyoto U Kyushu U Kyushu Tokai U NIFS Niigata U U Tokyo JAEA Hebrew U Ioffe Inst RRC Kurchatov Inst TRINITI NFRI KAIST POSTECH ASIPP

273 views • 10 slides