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An Analysis of the Optimal Thermal Storage Time of Air-Conditioning System with Slab Thermal Storage : An Analysis by the Gradient Method Algorithm  

Jung, Jae-Hoon (Department of Architectural Engineering, Hoseo University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.20, no.10, 2008 , pp. 702-709 More about this Journal
Abstract
In this paper, the optimal thermal storage time of an air-conditioning system with slab thermal storage in office building was analyzed on the basis of the gradient method algorithm. The sum of room temperature deviation and heat extraction rate was set to the criterion function. It was calculated that four hours is the optimal thermal storage time under the standard evaluation criterion. Furthermore, some case studies were executed by controlling ratio of weight functions of room temperature deviation and heat extraction rate in criterion function. It is possible to design many kinds of optimal operation of an air-conditioning system with slab thermal storage by controlling ratio of the weight functions in criterion function.
Keywords
Slab thermal storage; Optimal thermal storage time; Gradient method algorithm; Case study;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 Jung, J. H. and Shin, Y. G., 2005, An experimental study on thermal storage performance of an air-conditioning system with slab thermal storage, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 17, No. 5, pp. 427-435   과학기술학회마을
2 Jung, J. H., 2008, An analysis of the optimal control of an air-conditioning system with slab thermal storage by the gradient method algorithm, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 20, No. 8, pp. 534-540   과학기술학회마을
3 Shinkai, K. I., Kasuya, A. and Kato, M. H., 2000, Performance evaluation of floor thermal storage system, ASHRAE Transactions, Vol. 106, No. 1, pp. 311-316
4 Shimizu, K. T., 1994, Optimal control-Theory and algorithms, Corona Publishing Co., Ltd.