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원자력수소생산용 공정열교환기 개발을 위한 고온/고압 소형가스루프설계
홍성덕(S. D. Hong),오동석(D. S. Oh),김종호(J. H. Kim),김용완(Y. W. Kim),이원재(W. J. Lee),장종화(J. H. Chang) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
We designed a small scale gas loop that can simulate reference operating conditions, that is, temperature up to 950 ℃ and pressure up to 6㎫. Main objective of the loop is to screen the candidate process-heat-exchanger designs of very small capacity of 10~20㎾. We arranged the components of primary gas loop and secondary SO₃ loop. Design requirements are prepared for the safe design of a main heater, a hot-gas-duct and a process heat exchanger that is excluded a risk of a failure owing to the thermal stresses, the flow-induced-vibration or the acoustic vibration in both nitrogen and helium mediums. We determined a total pressure loss of the primary loop to 83 ㎪ and the minimum outer diameter of the loop pressure pipe to 90㎜ at hot location that will guarantee from a thermal failure. Very toxic SO₃ secondary loop is needed a scrubber and a SO₃ collector for safety and preventing a contamination of environment.