Energy confinement time: Difference between revisions

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The energy confinement time is defined as a function of the global plasma energy content, ''W'', and the applied total heating power, ''P'':
The energy confinement time is defined as a function of the global plasma energy content, ''W'', and the applied total heating power, ''P'':
<ref>J.P. Freidberg, ''Plasma physics and fusion energy'', Cambridge University Press (2007) ISBN 0521851076</ref>
<ref>J.P. Freidberg, ''Plasma physics and fusion energy'', Cambridge University Press (2007) {{ISBN|0521851076}}</ref>


:<math>\tau_E = \frac{W}{P-dW/dt}</math>
:<math>\tau_E = \frac{W}{P-dW/dt}</math>


It is one of the main figures of merit of magnetically confined plasmas, and one of the factors of the [[:Wikipedia:Lawson criterion|Lawson criterion]] for fusion.
It is one of the main figures of merit of magnetically confined plasmas, and one of the factors of the [[:Wikipedia:Lawson criterion|Lawson criterion]] for fusion.
== See also ==
* [[Scaling law]]


== References ==
== References ==
<references />
<references />

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