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저밀도 폴리에틸렌 관형 반응기의 총괄 열전달 계수 추정
김재연(Jae Youn Kim),이희석(Heui Seok Yi) 한국화학공학회 1999 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.37 No.3
The overall heat transfer coefficient(OHTC) for low density polyethylene tubular reactors was predicted by using a nonlinear optimization method. Quasi-Newton method was applied and the amount of heat transfer was predicted for variations of operating conditions by using the correlation equation. The simulation data using the previous OHTC correlations did not agree with plant operation data. On the contrary, it was shown that it agreed well with plant data when our proposed correlation was used.