The effect of heat load on divertor target by pumping in HL-2A Tokamak
BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target l...
Ausführliche Beschreibung
Autor*in: |
WANG Zhe [verfasserIn] HUANG Qianhong [verfasserIn] TAN Qingyi [verfasserIn] YE Haoran [verfasserIn] CAO Chengzhi [verfasserIn] |
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Chinesisch |
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2022 |
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In: He jishu - Science Press, 2022, 45(2022), 10, Seite 100603-100603 |
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Übergeordnetes Werk: |
volume:45 ; year:2022 ; number:10 ; pages:100603-100603 |
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DOI / URN: |
10.11889/j.0253-3219.2022.hjs.45.100603 |
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Katalog-ID: |
DOAJ080870864 |
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520 | |a BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. | ||
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10.11889/j.0253-3219.2022.hjs.45.100603 doi (DE-627)DOAJ080870864 (DE-599)DOAJeb600d18e54f4de7adae895e7c354706 DE-627 ger DE-627 rakwb chi TK9001-9401 WANG Zhe verfasserin aut The effect of heat load on divertor target by pumping in HL-2A Tokamak 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. tokamak divertor detachment pumping edge plasma Nuclear engineering. Atomic power HUANG Qianhong verfasserin aut TAN Qingyi verfasserin aut YE Haoran verfasserin aut CAO Chengzhi verfasserin aut In He jishu Science Press, 2022 45(2022), 10, Seite 100603-100603 (DE-627)DOAJ078593506 02533219 nnns volume:45 year:2022 number:10 pages:100603-100603 https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 kostenfrei https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 kostenfrei https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh kostenfrei https://doaj.org/toc/0253-3219 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 45 2022 10 100603-100603 |
spelling |
10.11889/j.0253-3219.2022.hjs.45.100603 doi (DE-627)DOAJ080870864 (DE-599)DOAJeb600d18e54f4de7adae895e7c354706 DE-627 ger DE-627 rakwb chi TK9001-9401 WANG Zhe verfasserin aut The effect of heat load on divertor target by pumping in HL-2A Tokamak 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. tokamak divertor detachment pumping edge plasma Nuclear engineering. Atomic power HUANG Qianhong verfasserin aut TAN Qingyi verfasserin aut YE Haoran verfasserin aut CAO Chengzhi verfasserin aut In He jishu Science Press, 2022 45(2022), 10, Seite 100603-100603 (DE-627)DOAJ078593506 02533219 nnns volume:45 year:2022 number:10 pages:100603-100603 https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 kostenfrei https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 kostenfrei https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh kostenfrei https://doaj.org/toc/0253-3219 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 45 2022 10 100603-100603 |
allfields_unstemmed |
10.11889/j.0253-3219.2022.hjs.45.100603 doi (DE-627)DOAJ080870864 (DE-599)DOAJeb600d18e54f4de7adae895e7c354706 DE-627 ger DE-627 rakwb chi TK9001-9401 WANG Zhe verfasserin aut The effect of heat load on divertor target by pumping in HL-2A Tokamak 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. tokamak divertor detachment pumping edge plasma Nuclear engineering. Atomic power HUANG Qianhong verfasserin aut TAN Qingyi verfasserin aut YE Haoran verfasserin aut CAO Chengzhi verfasserin aut In He jishu Science Press, 2022 45(2022), 10, Seite 100603-100603 (DE-627)DOAJ078593506 02533219 nnns volume:45 year:2022 number:10 pages:100603-100603 https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 kostenfrei https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 kostenfrei https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh kostenfrei https://doaj.org/toc/0253-3219 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 45 2022 10 100603-100603 |
allfieldsGer |
10.11889/j.0253-3219.2022.hjs.45.100603 doi (DE-627)DOAJ080870864 (DE-599)DOAJeb600d18e54f4de7adae895e7c354706 DE-627 ger DE-627 rakwb chi TK9001-9401 WANG Zhe verfasserin aut The effect of heat load on divertor target by pumping in HL-2A Tokamak 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. tokamak divertor detachment pumping edge plasma Nuclear engineering. Atomic power HUANG Qianhong verfasserin aut TAN Qingyi verfasserin aut YE Haoran verfasserin aut CAO Chengzhi verfasserin aut In He jishu Science Press, 2022 45(2022), 10, Seite 100603-100603 (DE-627)DOAJ078593506 02533219 nnns volume:45 year:2022 number:10 pages:100603-100603 https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 kostenfrei https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 kostenfrei https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh kostenfrei https://doaj.org/toc/0253-3219 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 45 2022 10 100603-100603 |
allfieldsSound |
10.11889/j.0253-3219.2022.hjs.45.100603 doi (DE-627)DOAJ080870864 (DE-599)DOAJeb600d18e54f4de7adae895e7c354706 DE-627 ger DE-627 rakwb chi TK9001-9401 WANG Zhe verfasserin aut The effect of heat load on divertor target by pumping in HL-2A Tokamak 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. tokamak divertor detachment pumping edge plasma Nuclear engineering. Atomic power HUANG Qianhong verfasserin aut TAN Qingyi verfasserin aut YE Haoran verfasserin aut CAO Chengzhi verfasserin aut In He jishu Science Press, 2022 45(2022), 10, Seite 100603-100603 (DE-627)DOAJ078593506 02533219 nnns volume:45 year:2022 number:10 pages:100603-100603 https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 kostenfrei https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 kostenfrei https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh kostenfrei https://doaj.org/toc/0253-3219 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 45 2022 10 100603-100603 |
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The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">tokamak</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">divertor detachment</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">pumping</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">edge plasma</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Nuclear engineering. 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TK9001-9401 The effect of heat load on divertor target by pumping in HL-2A Tokamak tokamak divertor detachment pumping edge plasma |
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misc TK9001-9401 misc tokamak misc divertor detachment misc pumping misc edge plasma misc Nuclear engineering. Atomic power |
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misc TK9001-9401 misc tokamak misc divertor detachment misc pumping misc edge plasma misc Nuclear engineering. Atomic power |
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misc TK9001-9401 misc tokamak misc divertor detachment misc pumping misc edge plasma misc Nuclear engineering. Atomic power |
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The effect of heat load on divertor target by pumping in HL-2A Tokamak |
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The effect of heat load on divertor target by pumping in HL-2A Tokamak |
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WANG Zhe |
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100603 |
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WANG Zhe HUANG Qianhong TAN Qingyi YE Haoran CAO Chengzhi |
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45 |
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TK9001-9401 |
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Elektronische Aufsätze |
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10.11889/j.0253-3219.2022.hjs.45.100603 |
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verfasserin |
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effect of heat load on divertor target by pumping in hl-2a tokamak |
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TK9001-9401 |
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The effect of heat load on divertor target by pumping in HL-2A Tokamak |
abstract |
BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. |
abstractGer |
BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. |
abstract_unstemmed |
BackgroundThe energy produced by nuclear fusion on a Tokamak device is mainly exhausted through the divertor, its service life is directly affected by the interaction between huge heat flux from core and the divertor target. The large amount of impurity produced by the heat flux hitting the target leads to the reduction of the plasma confinement performance whilst pumping is an important means to control plasma density and impurity density.PurposeThis study aims to investigate the influence of pumping on the heat load of the target plate which is of reference significance for the future experiment.MethodsBased on the experimental parameters of the HL-2A Tokamak, SOLPS-ITER code was used to study the effect of pumping on the heat load of the divertor target under different upstream electron densities. Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. When the pumping rate is 12 m3·s-1, 36 m3·s-1 and 96 m3·s-1 respectively, the miss threshold and thermal load peak of outer target plate are 1.11, 1.24, 1.39 and 1.37, 1.96, 2.54 times of those without pumping respectively.ConclusionIt is found that the decreases of deuterium molecular density results in the energy of the collision reaction power decreases when the upstream electron density exceeds the detachment threshold, leads to the increase of the temperature and energy flow of the plasma in the target plate. |
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The effect of heat load on divertor target by pumping in HL-2A Tokamak |
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https://doi.org/10.11889/j.0253-3219.2022.hjs.45.100603 https://doaj.org/article/eb600d18e54f4de7adae895e7c354706 https://www.hjs.sinap.ac.cn/thesisDetails#10.11889/j.0253-3219.2022.hjs.45.100603&lang=zh https://doaj.org/toc/0253-3219 |
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HUANG Qianhong TAN Qingyi YE Haoran CAO Chengzhi |
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HUANG Qianhong TAN Qingyi YE Haoran CAO Chengzhi |
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Analysis was performed through density scanning to find the sensitive threshold whilst and atom-molecular collision process was applied to the effect of pumping on the distribution of plasma and neutral particle parameters in divertor region at different upstream electron density.ResultsDensity scanning results show that pumping near the detachment threshold (TetOSP~5 eV) has a greater effect on the thermal load of the target plate. 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