報告書番号

E283009

タイトル（和文）

IMPROVEMENT OF REMAINING LIFE EVALUATIONIN SAFER (1) -INTRODUCTION OF CREEP ANALYSIS AND DAMAGE EVALUATION FUNCTIONS-

タイトル（英文）

IMPROVEMENT OF REMAINING LIFE EVALUATIONIN SAFER (1) -INTRODUCTION OF CREEP ANALYSIS AND DAMAGE EVALUATION FUNCTIONS-

概要 （図表や脚注は「報告書全文」に掲載しております）

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概要 （英文）

WITH THE LONG OPERATION OF FOSSIL POWER PLANTS WHOSE DESIGN SERVICE LIFE IS EXCEEDED,THE DEVELOPMENT OF REMAINING LIFE EVALUATION METHODOLOGY BECOMES QUITE IMPORTANT.CONCERNING THIS,OUR INSTITUTE OBTAINED A COMPUTER CODE FOR THE REMAINING LIFE EVALUATION FOR TURBINE ROTORS,SAFER,FROM EPRI. IN THIS REPORT,THE OVERALL VIEW OF SAFER IS FIRSTLY SHOWN,FOLLOWED BY THE DESCRIPTION OF OUR MODIFICATIONS TO THE CODES. AT FIRST,CREEP ANALYSIS FUNCTION IS ADDED TO THE STRESS ANALYSIS PART OF THE CODE.THE VALIDITY OF THIS IS DEMONSTRATED BY THE COMPARISON WITH THE RESULT OBTAINED BY MARC. WE ALSO INCORPORATE FUNTION OF CRACK INITTION TIME EVALUATION WITH THE USE OF THE CREEP AND FATIGUE DAMAGE INDICES. THE EXAMPLES ON THE GESPORN SERIES IP ROTOR CONCERNING BOTH MODIFICATIONS ARE PRESENTED.

報告者

キーワード