دورية أكاديمية
High heat flux limits of the fusion reactor water-cooled first wall
العنوان: | High heat flux limits of the fusion reactor water-cooled first wall |
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المؤلفون: | Pavel Zacha, Slavomir Entler |
المصدر: | Nuclear Engineering and Technology, Vol 51, Iss 5, Pp 1251-1260 (2019) |
بيانات النشر: | Elsevier, 2019. |
سنة النشر: | 2019 |
المجموعة: | LCC:Nuclear engineering. Atomic power |
مصطلحات موضوعية: | Nuclear engineering. Atomic power, TK9001-9401 |
الوصف: | The water-cooled WCLL blanket is one of the possible candidates for the blanket of the fusion power reactors. The plasma-facing first wall manufactured from the reduced-activation ferritic-martensitic steel Eurofer97 will be cooled with water at a typical pressurized water reactor (PWR) conditions. According to new estimates, the first wall will be exposed to peak heat fluxes up to 7 MW/m2 while the maximum operated temperature of Eurofer97 is set to 550 °C. The performed analysis shows the capability of the designed flat first wall concept to remove heat flux without exceeding the maximum Eurofer97 operating temperature only up to 0.75 MW/m2. Several heat transfer enhancement methods (turbulator promoters), structural modifications, and variations of parameters were analysed. The effects of particular modifications on the wall temperature were evaluated using thermo-hydraulic three-dimensional numerical simulation. The analysis shows the negligible effect of the turbulators. By the combination of the proposed modifications, the permitted heat flux was increased up to 1.69 MW/m2 only. The results indicate the necessity of the re-evaluation of the existing first wall concepts. Keywords: High heat flux, Thermal performance factors, Turbulator promoters, First wall, Cooling, CFD |
نوع الوثيقة: | article |
وصف الملف: | electronic resource |
اللغة: | English |
تدمد: | 1738-5733 |
Relation: | http://www.sciencedirect.com/science/article/pii/S1738573318304182; https://doaj.org/toc/1738-5733 |
DOI: | 10.1016/j.net.2019.03.013 |
URL الوصول: | https://doaj.org/article/ffee19588cf04fe9a01a20f68f47a408 |
رقم الأكسشن: | edsdoj.ffee19588cf04fe9a01a20f68f47a408 |
قاعدة البيانات: | Directory of Open Access Journals |
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