Refrigeration method and apparatus with a pulsating load
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jan 17, 2013
app pub date -
Feb 28, 2011
filing date -
Mar 23, 2010
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Abstract
A method for the pulsating load refrigeration of a component of a Tokamak using a refrigeration device subjecting a working fluid to a working cycle. At least one “periodic and symmetrical” operating mode of the Tokamak includes an operating mode in which plasmas of preset duration Dp are generated periodically with intervals of duration Dnp between two successive plasmas. Dnp=Dp±30%. The cooling device cooling power is increased to a relatively high level in a plasma generation phase and reduced to a relatively low level when the Tokamak is no longer in a plasma generation phase. The refrigerating power variation brings gradual increases and reductions in refrigerating power. The increase in the refrigeration device refrigerating power is triggered in advance, in response to a signal (S) generated during a plasma starting step before the thermal load on the component increases.
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