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Envelope-PIC Hybrid Method for the Simulation of Microwave Reflectometry

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dc.contributor.authorKang, T-
dc.contributor.authorKwon, KB-
dc.contributor.authorMyung-Hoon Cho-
dc.contributor.authorKim, YK-
dc.contributor.authorHur, MS-
dc.contributor.authorPark, HK-
dc.contributor.authorLee, W-
dc.date.available2018-07-18T02:05:23Z-
dc.date.created2018-05-16-
dc.date.issued2018-03-
dc.identifier.issn0093-3813-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4643-
dc.description.abstractWe developed a new hybrid method for the simulation of microwave reflectometry, which are commonly used to measure the plasma density and the density fluctuation in magnetically confined plasmas. For the simulation study of reflectometry, they usually solve a full wave equation assuming linear and steady-state response of the plasma. However, the dynamic properties of the plasma can be important near cutoff as the characteristic frequency of the plasma becomes comparable to that of the probe wave. In addition, highly nonlinear behavior is expected to emerge as the density fluctuation develops by numerous types of instability, which can be simulated self-consistently by the particle-in-cell (PIC) method. In our numerical scheme, the full PIC is employed to simulate the cutoff region, while the conventional steady-state dielectric model of the plasma is used for the low-density region. The advantage of the new method is the improved computational speed by at least threefold, while maintaining the overall accuracy of the PIC. The critical point of the new method is minimizing the numerical reflection in the heterogeneous domain © 2018 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.-
dc.description.uri1-
dc.language영어-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectEnvelope-particle-in-cell (PIC) hybrid simulation-
dc.subjectmicrowave reflectometry-
dc.subjecttokamak plasma diagnostics-
dc.titleEnvelope-PIC Hybrid Method for the Simulation of Microwave Reflectometry-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000427127000016-
dc.identifier.scopusid2-s2.0-85042096047-
dc.identifier.rimsid63287ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorMyung-Hoon Cho-
dc.identifier.doi10.1109/TPS.2018.2799184-
dc.identifier.bibliographicCitationIEEE TRANSACTIONS ON PLASMA SCIENCE, v.46, no.3, pp.577 - 582-
dc.citation.titleIEEE TRANSACTIONS ON PLASMA SCIENCE-
dc.citation.volume46-
dc.citation.number3-
dc.citation.startPage577-
dc.citation.endPage582-
dc.date.scptcdate2018-10-01-
dc.description.scptc0-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusFLUCTUATION MEASUREMENTS-
dc.subject.keywordPlusFUSION PLASMAS-
dc.subject.keywordAuthorEnvelope-particle-in-cell (PIC) hybrid simulation-
dc.subject.keywordAuthormicrowave reflectometry-
dc.subject.keywordAuthortokamak plasma diagnostics-
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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