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Bang, In Cheol
Nuclear Thermal-Hydraulics & Reactor Safety Lab
Research Interests
  • Nuclear Thermal-Hydraulics
  • Nuclear Safety
  • Nuclear System Design & Analysis
  • Nanofluids
  • Critical Heat Flux

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Comparison of Flooding Limit and Thermal Performance of Annular and Concentric Thermosyphons at Different Fill Ratios

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dc.contributor.author Kim, Kyung Mo ko
dc.contributor.author Bang, In Cheol ko
dc.date.available 2016-01-12T05:57:59Z -
dc.date.created 2016-01-10 ko
dc.date.issued 2016-04 ko
dc.identifier.citation APPLIED THERMAL ENGINEERING, v.99, pp.179 - 188 ko
dc.identifier.issn 1359-4311 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/18093 -
dc.description.abstract A passive in-core cooling system (PINCs) based on hybrid heat pipe can be adopted to enhance the passive safety of advanced nuclear power plants. A hybrid heat pipe is a heat transfer device that takes the dual roles of neutron absorption and heat removal by combining the functions of a heat pipe and a control rod. To observe the effect of neutron absorber material inside the heat pipe and fill ratio of the working fluid on the thermal performances of heat pipe including operation limit, an annular thermosyphon heat pipe (ATHP) that contains a neutron absorber inside a concentric thermosyphon heat pipe (CTHP) was experimentally studied in the condition of various fill ratios. The ATHP showed lower thermal resistances in the evaporator region with a maximum reduction of 20% compared to those of a CTHP. In terms of the operational limits, the ATHP showed a lower entrainment limit than the CTHP due to a smaller cross-section for vapor path in the evaporator region, which resulted in high shear at the vapor-liquid interface. In addition, increasing the fill ratio enhanced the entrainment limit by 18%. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.title Comparison of Flooding Limit and Thermal Performance of Annular and Concentric Thermosyphons at Different Fill Ratios ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84956675128 ko
dc.identifier.wosid 000373863200016 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.applthermaleng.2015.12.137 ko
dc.identifier.url http://www.sciencedirect.com/science/article/pii/S1359431116000326 ko
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