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Title:
USEFUL LIFE EVALUATION SYSTEM AND USEFUL LIFE EVALUATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/032720
Kind Code:
A1
Abstract:
A useful life evaluation system according to at least one embodiment of the present disclosure is provided with: a first stress calculation unit which selects, as a first evaluation site for evaluating useful life, a nozzle weld section of a header or a pipe in a thermal power plant and/or a base material section around a nozzle hole of the header or the pipe, and calculates useful life evaluation stress used in evaluating useful life for the first evaluation site on the basis of the nozzle type, base pipe dimensions, nozzle dimensions, evaluation pressure, evaluation temperature, and steel type pertaining to the first evaluation site; and a first useful life evaluation unit which evaluates the useful life of the first evaluation site on the basis of the useful life evaluation stress.

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WO/2014/167843METHOD FOR EVALUATING WEATHERING DEGREE OF COAL, METHOD FOR EVALUATING COKING PROPERTIES OF WEATHERED COAL, METHOD FOR CONTROLLING WEATHERING DEGREE OF COAL, AND METHOD FOR PRODUCING COKES
Inventors:
OHYAMA HIROYUKI (JP)
SHIMODA JUNJI (JP)
FUKAHORI TAKUYA (JP)
KATAFUCHI HIROKI (JP)
KAMEYAMA TATSUYA (JP)
Application Number:
PCT/JP2022/031441
Publication Date:
March 09, 2023
Filing Date:
August 19, 2022
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI POWER LTD (JP)
International Classes:
G01N17/00; F22B37/22; F22B37/38; G01N3/00; G01N19/00
Foreign References:
JP2013148540A2013-08-01
JP2013122396A2013-06-20
JP2021006801A2021-01-21
JPH11142399A1999-05-28
JP2019045218A2019-03-22
CN112504863A2021-03-16
Other References:
HONDA, TAKASHI: "Evaluation of long-life fatigue characteristics of welded joints", SPECIFIC RESEARCH REPORTS OF THE NATIONAL INSTITUTE OF OCCUPATIONAL SAFETY AND HEALTH, no. 40, 1 January 2010 (2010-01-01), pages 47 - 52, XP009544275, ISSN: 1882-8329
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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