Benchmark study and thermal-load analysis for soft X-ray beamline of Korea fourth-generation storage ring

Ko, J.; Kim, K.-J.; Baik, J.; Lee, J.; Oh, B.-H.; Kim, E.-S.; Shin, S.

doi:10.1016/j.ijthermalsci.2023.108613

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Benchmark study and thermal-load analysis for soft X-ray beamline of Korea fourth-generation storage ring

Ko, J.;
Kim, K.-J.;
Baik, J.;
Lee, J.;
Oh, B.-H.;
외 2명

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2

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5

초록

The Korea fourth-generation storage ring (Korea-4GSR) has a low electron beam emittance of 60 p.m.-rad, and provides a photon beam that is 100 times brighter and 100 times more coherent than the third-generation Pohang Light Source (PLS-II). However, the new source imposes a higher heat load on beamline optics. In particular, the first mirror (M1), which receives the broad-bandwidth white beam will be distorted by the thermal load from X-ray beam and the heat bump will degrade the beam quality. For the thermal analysis of M1, a method is developed to solve the thermal deformation with temperature gradient and absorbed power density. To implement the method in the analysis of heat load effect on M1, a benchmark study was performed on beamline 8A at PLS-II. In this paper, we describe the thermal analysis of M1 in Korea-4GSR after verifying our simulation method in a benchmark study. © 2023

키워드

Heat load; Korea-4GSR; Temperature gradient; Thermal analysis; Thermal deformation

제목: Benchmark study and thermal-load analysis for soft X-ray beamline of Korea fourth-generation storage ring

저자: Ko, J.; Kim, K.-J.; Baik, J.; Lee, J.; Oh, B.-H.; Kim, E.-S.; Shin, S.

DOI: 10.1016/j.ijthermalsci.2023.108613

발행일: 2023-12

유형: Article

저널명: International Journal of Thermal Sciences

권: 194