http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Tanchuk, V. (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
-
Tanchuk, V.,Grigoriev, S.,Lyublin, B.,Maquet, P.,Senik, K.,Pak, S.,Udintsev, V. North-Holland ; Elsevier Science Ltd 2016 Fusion engineering and design Vol.109 No.1
For effective vacuum leak testing all cooling circuits serving the ITER vessel and in-vessel components shall be drained and dried so that after this procedure taking less than 100h the purge gas passing through a component has water content less than 100ppm. This process is four-stage, with the first stage using a short blast of compressed nitrogen to blow most of water in the coolant channels out of the circuit. This process is hindered by volumes which trap water due to gravity. To remove the trapped water, it is necessary, first, to heat up the structure by hot and compressed nitrogen, and then water is evaporated by depressurized nitrogen. The cooling system of the ITER Diagnostic Equatorial Port Plugs is of a complicated hydraulic configuration. The system branching might make difficult removal of water from the piping in the scheduled draining mode. The authors have proposed the KORSAR computation code to simulate draining of the GEPP cooling circuit. The numerical simulation performed has made it possible to describe the process dynamics during draining of the entire GEPP cooling circuit and to define the process time, amount and location of residual water and evolution of two-phase flow regime.
-
Investigation on Silver Electroplating Process for ITER Thermal Shield
안무영,Seungyon Cho,V. N. Tanchuk 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
The ITER thermal shield which minimizes heat load by radiation and conduction from warm components to the structures operating at 4.5 K requires silver coating on the surface to reduce emissivity to 0.05. Although the silver electroplating process is widely applied in industry, it is unlikely that manufacturing equipment exists for deposition of silver coating on workpieces as large in dimensions as those for the ITER thermal shield. In this paper, scientific specification of the silver electroplating process for ITER thermal shield is investigated and bath designs are proposed. As a proving method for the process, a silver coating sample test for the material of the ITER thermal shield has been performed and the results are also presented. The ITER thermal shield which minimizes heat load by radiation and conduction from warm components to the structures operating at 4.5 K requires silver coating on the surface to reduce emissivity to 0.05. Although the silver electroplating process is widely applied in industry, it is unlikely that manufacturing equipment exists for deposition of silver coating on workpieces as large in dimensions as those for the ITER thermal shield. In this paper, scientific specification of the silver electroplating process for ITER thermal shield is investigated and bath designs are proposed. As a proving method for the process, a silver coating sample test for the material of the ITER thermal shield has been performed and the results are also presented.
-
Status of Manufacturing Feasibility Activities on ITER Thermal Shield
조승연,Doo-Ki Kim,Ju-Hwan Kwak,안무영,Sang-Kook Lee,박순일,V. N. Tanchuk 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
A study on the status of manufacturing feasibility for the ITER thermal shield which is required to minimize heat loads transferred by radiation from hot components to cryostat components is shown in the paper. A detailed manufacturing process for the vacuum vessel thermal shield is given. This study suggests the optimum thermal shield sector fabrication and assembly procedure.=
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
