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SRF cryostat dynamics at the Canadian Light Source

Published online by Cambridge University Press:  27 September 2010

C. Regier*
Affiliation:
Canadian Light Source, 101 Perimeter Road, Saskatoon, SK, S7N 0X4, Canada
E. Matias
Affiliation:
Canadian Light Source, 101 Perimeter Road, Saskatoon, SK, S7N 0X4, Canada
J. Pieper
Affiliation:
Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
*
Email address for correspondence: chris.regier@lightsource.ca
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Abstract

This work includes the creation of a computer model of the superconducting radio frequency cryostat located at the Canadian Light Source (CLS) in Saskatoon, Canada. This cryostat requires careful pressure and level modulation to ensure proper radio frequency control. A detailed mathematical model of the cryostat is generated based on gas and liquid mass balances for a boiling vessel, along with pressure–volume–temperature relations. Model results are compared with experimental data taken from the actual cryostat at the CLS to determine the accuracy of the simulation. Finally, cryostat performance is explored using the model, and it is demonstrated that there are no significant advantages in pressure modulation when reducing the level operating point, and in fact a reduction in operating level slightly increases the maximum value of pressure spikes due to heat loading.

Type
Contributed paper
Copyright
Copyright © Diamond Light Source Ltd 2010

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References

REFERENCES

Lemmon, E., McLinden, M. & Friend, D. 2008 Thermophysical properties of fluid systems. In NIST Chemistry WebBook, NIST standard reference database number 69 (ed. Linstrom, P. & Mallard, W.), National Institute of Standards and Technology, Gaithersburg, MD. http://webbook.nist.gov/chemistry/fluid/ [accessed 06.09.08].Google Scholar
Regier, C., Pieper, J. & Matias, E. 2010 Dynamic modeling of a liquid helium cryostat at the Canadian Light Source. Cryogenics 50, 118125.CrossRefGoogle Scholar
Thomas, P. 1999 Simulation of Industrial Processes for Control Engineers. Butterworth-Heinemann, Linacre House, Jordan Hill, Oxford. ISBN 0-7506-4161-4.Google Scholar