Terminologies & References
Abbreviations
Abbreviation |
Original word |
Description |
Act. Vol. |
Actual Volume |
Real volume |
C |
Conductance |
Pipe conductance |
Calc Vol. |
Calculated Volume |
Automatically calculated volume |
Ch |
Chamber Condition Input |
Chamber condition input |
Comp |
System Completion |
Completion of system |
C-Eval |
Pipe Conductance Evaluation |
Evaluation of pipe conductance |
DN |
Nominal Diameter |
Standard diameter size of pipe |
Edge R. |
Edge Radius |
Radius of round edge |
F/P |
Throughput (Flow/Pressure) |
Gas throughput of the pump by pressure |
ID |
Pipe Inside Diameter |
Pipe inner diameter |
PDT |
Pump Down Time |
Time to reach the target pressure from the starting pressure at chamber |
Per. |
Percentage |
Percentage (%) |
P-Eval |
Pump Capacity Evaluation |
Evaluation of pump capacity |
Req |
Requirement |
Vacuum requirement |
R/D (r/D) |
Bend Radius / Inside Diameter |
Bend radius/inner diameter ratio |
Seff |
Effective Pumping Speed |
Actual exhaust velocity acting on the chamber |
Sim |
Vacuum Performance Simulation |
Performance simulation of vacuum system |
Wall Th. |
Chamber Wall Thickness |
Thickness of chamber wall |
Terminologies
Terminology |
Description |
Angle valve |
90° angle valve |
ASME |
Industrial standards and standards development agencies in the United States |
Bend |
Round curved tube with R/D ratio |
Capacity |
Pumping capacity of pump (normally peak pumping speed of pump) |
Conductance |
Opposition to the resistance of gas flow in pipes. Smoothness of gas flow in pipes |
Cross section area |
Cross section area of pipe |
Elbow |
Round curved tube |
Flexible |
A corrugated pipe used where vibration or play at a junction may occur |
Gas flow |
Amount of gas injected into the chamber continuously |
Hole type |
Type of connection between chamber and pipe |
ISO/EN |
European Industrial Standards and Standards Development Organization |
KS |
Korean Industrial Standards and standards development agency |
Miter |
Jointed or welded tube consisting of two parts with angle |
Primary pump |
Pump that operates from atmospheric pressure and consists of one pumping block (w/o roots blower) |
Primary+Roots pump |
Pump that operates from atmospheric pressure and combined with 1 or 2 roots blowers on the primary pump |
Process pressure |
Chamber pressure under a certain amount of gas flow |
Pump down time |
Time to reach the target pressure from the starting pressure at chamber |
Pumping speed |
Pumping capacity per pressure. Volume of gas passing through the cross section per unit time |
Start pressure |
The starting pressure at chamber during pumping down |
Takt time |
The desired time to reach the target pressure from the start pressure at chamber |
Target pressure |
Target pressure of chamber pressure to reach during pumping down |
Throughput |
Gas throughput of the pump. Amount of gas passing through a cross section per unit time |
Effective pumping speed |
Actual pumping speed working at the chamber |
References
Title |
Publisher |
Author |
Published Date |
진공 기술 해석 |
씨아이알 |
Lee Je-hyeong |
Aug. 2021 |
진공 및 공정기술 |
내하출판사 |
Kim Hyeon-hu, etc. |
Feb. 2015 |
진공 공학 |
한국경제신문사 |
Bae Seok-hee, etc. |
Dec. 2007 |
기초 진공 공학 |
내하출판사 |
Kim Hyeon-hu, etc. |
Aug. 2007 |
진공 기술 실무 |
도서출판 홍릉 |
Ju Jang-heon |
Apr. 2004 |
진공 과학 입문 |
교문사 (청문각) |
Jeong Seok-min, etc. |
Apr. 2001 |
High Vacuum Technique; Theory, Practice, Industrial Applications, and Properties of Materials |
Hassell Street Press |
John Yarwood |
1995 |
Vacuum Technology: Practice for Scientific Instruments |
Springer |
Nagamitsu Yoshimura |
Sep. 2007 |
The Foundations of Vacuum Coating Technology |
Elsevier |
Donald M. Mattox |
Aug. 2008 |
Foundations of Vacuum Science and Technology |
William Andrew |
James M. Lafferty |
1998 |
Vacuum: Science, Technology and Applications |
CRC Press |
Pramod K. Naik |
Jan. 2018 |
Flow of Fluids Crane Technical Paper No. 410 Flow of Fluids Through Valves, Fittings, and Pipe U.S. Version 2018 |
Crane Co. |
Crane Co. |
Jan. 2018 |
Handbook of Vacuum Technology |
Wiley-VCH |
Karl Jousten; Wiley-VCH |
Jun. 2015 |
Vacuum Technology in the Chemical Industry |
Wiley-VCH |
Wolfgang Jorisch |
Mar. 2015 |
Total Pressure Measurements in Vacuum Technology |
Academic Press, Inc. |
A. Berman |
May. 1985 |
A User's Guide To Vacuum Technology |
John Wiley & Sons |
John F. O'Hanlon |
Apr. 2003 |
Handbook of Vacuum Science and Technology |
Elsevier |
Dorothy M. Hoffman |
1997 |
Vacuum Physics and Technology |
Elsevier |
Editorial department |
Nov. 2013 |
Industrial Vacuum 101 (Second Edition: The Basics of Vacuum Technology) |
CreateSpace Independent Publishing Platform |
Dan Bott |
Sep. 2013 |
Vacuum Engineering Calculations, Formulas, and Solved Exercises |
Elsevier |
Armand Berman |
Dec. 1992 |
Vacuum Technology, 3rd Edition |
North Holland |
A Roth |
Dec. 2012 |
Method of Experimental physics (vol. 14) |
Academic Press, Inc. |
G. L. Weissler |
1979 |