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계의 분리법을 이용한 열교환망의 합성
Heat Exchanger Network Synthesis by System Separation Method
HWAHAK KONGHAK, June 1996, 34(3), 334-345(12), NONE
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Abstract
본 연구는 최적 열교환망 합성에 관한 연구로서 핀치 설계 방법을 기본으로 하였으며, 실제적인 열교환망 합성 이전 단계에서 최소 접근 온도차의 최적화를 수행함으로써 최적의 목표값을 설정하였다. 목표값 설정 단계에서는 제약 조건이 주어지거나 여러 개의 핀치점들을 갖는 계인 것으로 판단될 경우, 계의 분리법을 적용하여 보다 타당성있는 결과 값을 얻을 수 있었으며, 다중 유틸리티의 사용을 고려하여 에너지 비용의 절감 효과를 기대할 수 있었다. 실제적인 흐름들간의 합성 방법으로서는 경험 법칙들을 이용하였으며, 이 언론들을 근거로 하는 프로그램을 개발하여 몇 가지 예제들에 적용한 결과 값들을 제시하였다.
This article for the synthesis of optimal heat exchanger network has been based on the pinch design method. The optimal targets were determined by the optimization of the minimum temperature difference before the actual synthesis steps. The system separation method was proposed to determine the reliable targer for the system with multiple pinches or constraints. To save energy cost, we used multiple utilities. The program developed on the basis for several heuristics was applied to examples and we examined the validity of the results.
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Trivedi KK, O'Neill BK, Roach JR, Comput. Chem. Eng., 13, 291 (1989)
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Jezowski J, Comput. Chem. Eng., 16, 129 (1992)
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Lee HP, Yoo KO, HWAHAK KONGHAK, 32(3), 288 (1994)
이해평, 이인영,류경옥, 에너지공학, 4, 13 (1995)
Linnhoff B, Ahmad S, Comput. Chem. Eng., 14, 729 (1990)
Linnhoff B, Hindmarsh E, Chem. Eng. Sci., 38, 745 (1983)
Townsend DW, Linnhoff B, IChemE 11th Annual Res., 45 (1984)
박경수, "경제성 공학," 6th ed., 회중당, 서울 (1985)
Ahmad S, Smith R, Chem. Eng. Res. Des., 67, 481 (1989)
Hall SG, Ahmad S, Smith R, Comput. Chem. Eng., 14, 319 (1990)
Trivedi KK, Roach JR, O'Neill BK, AIChE J., 33, 2087 (1987)
Edgar TF, Himmelbrau DM, "Optimization of Chemical Processes," McGraw-Hill, New York (1988)
Lewis EG, Michael DR, Arthur WW, Chem. Eng. Commun., 14, 339 (1982)
Ahmad S, Linnhoff B, Smith R, Comput. Chem. Eng., 14, 751 (1990)
Gunderson T, Naess L, Comput. Chem. Eng., 12, 503 (1988)
Purohit GP, Chem. Eng., 22, 56 (1983)
Douglas JM, "Conceptual Design of Chemical Processes," McGraw-Hill, New York (1988)
Wells GL, Hodgkinson MG, Process Eng., 59 (1977)
Linnhoff B, Mason DR, Wardle I, Comput. Chem. Eng., 3, 295 (1979)
조영상, "에너지 절감을 위한 열교환망 합성 연구," 과학기술처, 26 (1990)
Linnhoff B, Flower JR, AIChE J., 24, 642 (1978)
