High recycling

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The high recycling regime occurs when low at the divertor targets leads to a high particle flux reaching the targets. Hydrogen is released from or reflected off of the target plates once they are saturated, and this "recycling" fuel source balances losses due to the high particle flux to the targets. The flux does not all have to come from the core plasma. The advantage of the high recycling regime is only that low reduces sputtering, but high recycling alone does not prevent any power from reaching the divertor.[1]

"Conduction limited" and "high recycling" are often used interchangably.

Compare with sheath limited, conduction limited, strongly radiating, and detached divertor regimes.