TEMPERATURE ESTIMATION METHOD OF HIGH TEMPERATURE MEMBER AND LIFETIME DETERMINATION METHOD OF HIGH TEMPERATURE MEMBER

PROBLEM TO BE SOLVED: To provide a temperature estimation method of a high temperature member and a lifetime determination method of the high temperature member capable of highly precisely estimating the temperature of the high temperature member.SOLUTION: A hardness of a heat exchanger tube is comp...

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Bibliographische Detailangaben
Hauptverfasser:	TAGAMI ATSUSHI, SAITO NOBUHIKO, IMAZATO TOSHIYUKI, NISHIO TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a temperature estimation method of a high temperature member and a lifetime determination method of the high temperature member capable of highly precisely estimating the temperature of the high temperature member.SOLUTION: A hardness of a heat exchanger tube is compared with a hardness of several aging material varying in deteriorating degree. A Larson Miller parameter value is determined from the hardness of the aging material equivalent to the hardness of the heat exchanger tube. The Larson Miller parameter value is substituted to a relational expression of the Larson Miller parameter to estimate the temperature of the heat exchanger tube.