کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6744217 | 1429329 | 2017 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
New model of plasma heat load on the first wall
ترجمه فارسی عنوان
مدل جدید بار گرما پلاسما در دیوار اول
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
چکیده انگلیسی
Scrape Off Layer (SOL) plasma circumnavigates the torus along magnetic field lines, and some part of it encounters a leading edge of the first wall (FW). This leads the concentration of the plasma energy in a small area, causing a hot spot. In a DEMO reactor that deals with a few hundreds of MW of plasma energy in the SOL, the leading edge problem is a critical issue in the FW design. For the design purposes in DEMO and power reactors, a new analysis method is introduced, where a flux tube is poloidally divided into the Apple Peel Like Elements (APPLEs) and each APPLE is enclosed by adjacent 4 magnetic field lines. Considering the contact area of the APPLEs on the FW and the radial energy transport between the APPLEs, FW heat load profile can be analyzed. The result of the case that the fusion power is 1.5Â GW, and the major radius is 8.2Â m, shows that the heat load is peaked to about 1Â MW/m2 near the inboard midplane and the baffle plate. This method is expected to be useful for the DEMO design.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fusion Engineering and Design - Volume 124, November 2017, Pages 267-270
Journal: Fusion Engineering and Design - Volume 124, November 2017, Pages 267-270
نویسندگان
Yuya Miyoshi, Nobuyuki Asakura, Kazuo Hoshino, Ryoji Hiwatari, Youji Someya, Haruhiko Takase, Yoshiteru Sakamoto, Kenji Tobita, The Joint Special Design Team for Fusion DEMO The Joint Special Design Team for Fusion DEMO,