Optimal Operational Planning for a Heat Pump Space Cooling System with Ice Bank Based on the Log Barrier Method

An optimal operational planning problem is discussed for a heat pump space cooling system considering characteristics in ice bank during ice making and thawing. This problem is formulated as a mixed-integer nonlinear programming one, in which the operational strategy of heat pumps and ice bank is de...

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Bibliographic Details
Published inTransactions of the Japan Society of Mechanical Engineers Series C Vol. 64; no. 621; pp. 1611 - 1617
Main Authors SHIBA, Takashi, ITO, Koichi, YOKOYAMA, Ryohei
Format Journal Article
LanguageJapanese
Published The Japan Society of Mechanical Engineers 25.05.1998
Subjects
Energy Storage
Heat Pump
Optimal Operation
Space Cooling System
Systems Engineering
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Summary:An optimal operational planning problem is discussed for a heat pump space cooling system considering characteristics in ice bank during ice making and thawing. This problem is formulated as a mixed-integer nonlinear programming one, in which the operational strategy of heat pumps and ice bank is determined so as to minimize the daily operational cost. An algorithm is proposed to solve this optimization problem on the basis of the log barrier method. Through a numerical study, it is ascertained that the proposed algorithm is a useful tool, and it is investigated how the characteristics in ice bank influences on the operational strategy.
ISSN:0387-5024
1884-8354
DOI:10.1299/kikaic.64.1611