Research on Extension-Fuzzy-Based Evaluation Used for Performance of Heat Exchanger

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This thesis introduces extension method and fuzzy mathematics; on the basis of matter-element theory, extension set theory and the correlation function, the membership of the performance classification and performance index of the heat exchanger make them dimensionless. The classic matter-element and section domain matter-element were constructed, and the establishment of extension fuzzy evaluation model of the heat exchanger performance level. Examples of application show that the method can truly reflect the actual performance of elevator operation.

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244-247

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September 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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