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Macroscopic High-Temperature Structural Analysis Model of Small-Scale PCHE Prototype (II)

소형 PCHE 시제품에 대한 거시적 고온 구조 해석 모델링 (II)

  • Received : 2011.04.12
  • Accepted : 2011.05.17
  • Published : 2011.09.01

Abstract

The IHX (intermediate heat exchanger) of a VHTR (very high-temperature reactor) is a core component that transfers the high heat generated by the VHTR at $950^{\circ}C$ to a hydrogen production plant. Korea Atomic Energy Research Institute manufactured a small-scale prototype of a PCHE (printed circuit heat exchanger) that was being considered as a candidate for the IHX. In this study, as a part of high-temperature structural integrity evaluation of the small-scale PCHE prototype, we carried out high-temperature structural analysis modeling and macroscopic thermal and elastic structural analysis for the small-scale PCHE prototype under small-scale gas-loop test conditions. The modeling and analysis were performed as a precedent study prior to the performance test in the small-scale gas loop. The results obtained in this study will be compared with the test results for the small-scale PCHE. Moreover, these results will be used in the design of a medium-scale PCHE prototype.

Keywords

Printed Circuit Heat Exchanger(PCHE);High-temperature Structural Analysis;Very High Temperature Reactor(VHTR);Intermediate Heat Exchanger(IHX)

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