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Modelling the wide temperature range of steam table using the neural networks  

Lee, Tae-Hwan (진주산업대학교 메카트로닉스공학과)
Abstract
In numerical analysis on evaluating the thermal performance of the thermal equipment, numerical values of thermodynamic properties such as temperature, pressure, specific volume, enthalpy and entropy are required. But the steam table itself cannot be used without modelling. In this study applicability of neural networks in modelling the wide temperature range of wet saturated vapor region was examined. the multi-layer neural network consists of a input layer with 1 node, two hidden layers with 10 and 20 nodes respectively and a output layer with 6 nodes. Quadratic and cubic spline interpoations methods were also applied for comparison. Neural network model revealed similar percentage error to spline interpolation. From these results, it is confirmed that the neural networks could be powerful method in modelling the wide range of the steam table.
Keywords
Steam table; Saturated vapor; Neural network; Spline interpolation;
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Times Cited By KSCI : 1  (Citation Analysis)
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1 Domanski, P. A., EVSIM - An evaprator simulation model accounting for refrigerant and one dimensional air distribution, NISTIR 89-4133,1989
2 J. A. Freeman and D. M. Skapura, Neural Networks : Algorithms, Applications, and Programming Techniques, Addison-Wesley Publishing Company, 1991
3 이태환, 박진현, '신경회로망을 이용한 증기표의 함수근사', 한국해양정보통신학회논문지, 제10권, 제3호, pp.459-466, 2006   과학기술학회마을
4 이태환, 신경회로망을 이용한 증기표의 모델링, 진주산업대학교 산업과학기술연구소보, 제10호, pp.211-218, 2003
5 이태환, '신경회로망을 이용한 냉매의 물성 모델링,' 진주산업대학교 산업과학기술연구소 논문집, 제13호, pp. 287-293, 2006
6 박영무, 박경근, 장호명, 김영일, 열역학, 사이텍미디어, 2000
7 이태환, '신경회로망을 이용한 과열수증기의 모델링,' 진주산업대학교 산업과학기술연구소 논문집, 제12호, pp. 271-276, 2005
8 S. C. Chapra and R. P. Canale, Numerical Methods for Engineers, McGraw-Hill Book Company, 1990
9 J. W. Hines, MATLAB Supplement to Fuzzy and Neural Aproaches in Engineering, John Wiley and Sons, Inc, 1997
10 박병규, 이태환, 제습공조용 핀-관형 증발기의 열성능 모델링, 설비공학논문집, 제12권 제11호, pp. 1020-1030, 2000