Vacuum chamber pressure calculation in TOKAMAKS

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SUMMARY

The discussion focuses on calculating the vacuum chamber pressure required for TOKAMAK systems, specifically targeting a pressure range of approximately 10^-7 Torr. Participants emphasize the variability in pressure requirements across different TOKAMAK designs and suggest consulting scientific publications for detailed methodologies. However, the original poster expresses difficulty in finding specific equations or calculation processes related to vacuum pressure in TOKAMAKs.

PREREQUISITES
  • Understanding of vacuum physics and pressure measurement
  • Familiarity with TOKAMAK design principles
  • Knowledge of scientific publications and research methodologies
  • Basic grasp of plasma physics concepts
NEXT STEPS
  • Research the specific pressure requirements for various TOKAMAK designs
  • Explore scientific publications on vacuum calculations in fusion reactors
  • Learn about the role of vacuum pressure in plasma confinement
  • Investigate the use of vacuum gauges and their calibration in TOKAMAK systems
USEFUL FOR

Physicists, engineers, and researchers involved in fusion energy, particularly those focusing on the design and operation of TOKAMAK systems.

Dr. Octavious
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Hello all!

I understand the concept of the TOKAMAK vacuum chamber, but can someone explain to me how I can actually calculate the pressure in which I need the chamber to be evacuated? I know it should be in the range of approximately 10^-7 or so but more specifically, is there an equation to calculate the actual number?

Thank you in advance.
 
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Better will work better, and different tokamaks will use different pressures. Did you check the publications?
 
mfb said:
Better will work better, and different tokamaks will use different pressures. Did you check the publications?
I've searched online in PDFs and some, related to my question, publications but I couldn't find anything besides general information regarding vacuum and its typical values for a tokamak. I didn't find anything regarding a calculation process.
 

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