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  Modulated ECRH power deposition in ASDEX Upgrade

Leuterer, F., Kirov, K., Pereverzev, G., Ryter, F., & Wagner, D. (2003). Modulated ECRH power deposition in ASDEX Upgrade. Nuclear Fusion, 43(8), 744-748. doi:10.1088/0029-5515/43/8/316.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-2E68-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-2E69-C
Genre: Journal Article

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 Creators:
Leuterer, F.1, Author              
Kirov, K.2, 3, Author              
Pereverzev, G.4, Author              
Ryter, F.5, Author              
Wagner, D.3, Author              
Affiliations:
1Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318              
2Tokamak: Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              
3Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
4Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
5Tokamak Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              

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 Abstract: In order to gain insight into the physics of modulated and localized electron heating, like the generation of heat waves by electron cyclotron heating, we solve the one-dimensional linearized electron heat diffusion equation in a homogeneous infinite plasma including a source term with a Gaussian profile. The amplitude and phase of the temperature oscillation in the centre of the deposition can then be analytically expressed as a product of two terms. Only one of them, a normalized complex function, describes the influence of heat diffusion. The analytical results are compared to experimental ones, and all characteristic dependences on modulation frequency, on heat diffusivity and on heating profile width are recovered.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Nuclear Fusion
  Alternative Title : Nucl. Fusion
Source Genre: Journal
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Publ. Info: Copyright © Institute of Physics and IOP Publishing Limited 2003
Pages: - Volume / Issue: 43 (8) Sequence Number: - Start / End Page: 744 - 748 Identifier: -