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Neutrino Factory/Muon Collider Document 317-v1

Heating in the Study 2a absorber window

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MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
13 May 2005, 12:00
Contents Revised:
13 May 2005, 12:00
Metadata Revised:
13 May 2005, 12:00
Actually Revised:
14 Sep 2006, 13:35
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We examine the temperature distribution in the 3-layer Be-LiH-Be absorber windows used for Study 2a. Heat from dE/dx losses is deposited in all the layers. An additional contribution from rf heating is deposited in the Be layer facing the rf cavity. We determine the maximum temperature reached in each layer using a 1-dimensional solution of the heat conduction equation. Time-varying material properties and radiation losses are included in the analysis. A new design is presented where the maximum temperature reached in the LiH is 580 K, while the maximum temperature in the Be layer facing the rf cavity is 445 K.

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