Development and application of the power plant real-time temperature and stress monitoring system
Authors:
- Piotr Duda
Abstract
Thepaper presents a method of temperature and stress estimation in pressure components of conventional or nuclear power plants. The proposed algorithm can be applied without the information concerning the thermal boundary condition on the component inner surfaces and it is fast enough to be applied in an online mode. The solution is possible thanks to “measured” temperature histories determined in easily accessible points located on the component outer surface. The presented model has been recently verified analytically, numerically, and experimentally.The proposed algorithm was used to calculate the transient temperature and stress distribution in the outlet header of a steamreheater and the results indicate that the component lower part is loaded themost, but allowable stresses are not exceeded. If the presented heating process was shortened, the calculated stresses would exceed the allowable values.Monitoring the boiler thermal and strength operating conditions makes it possible to identify dangerous loads of the power boiler pressure elements during transient-state operations. The presented method for controlling thermal and pressurerelated stresses is suitable for nuclear power plants because it does not require drilling holes for sensors in the pressure element walls.
- Record ID
- CUTab914105af4e40a88fcd7275fc8bbcf5
- Publication categories
- ;
- Author
- Journal series
- Science and Technology of Nuclear Installations, ISSN 1687-6075, e-ISSN 1687-6083
- Issue year
- 2017
- Vol
- 2017
- Pages
- [1-7]
- Other elements of collation
- fot.; rys.; wykr.; Bibliografia (na s.) - 7; Bibliografia (liczba pozycji) - 13; Oznaczenie streszczenia - Streszcz. ang.; Numeracja w czasopiśmie - Vol. 2017
- Substantive notes
- Article ID 1812835
- Keywords in English
- inverse method, heat conduction, diagnostic system, thermal stress, life extension
- DOI
- DOI:10.1155/2017/1812835 Opening in a new tab
- URL
- https://www.hindawi.com/journals/stni/2017/1812835/ Opening in a new tab
- Related project
- Opracowanie metod identyfikacji nieustalonych zjawisk cieplno-wytrzymałościowych. . Project leader at PK: , ,
Projects financed by NSC [Projekty finansowane przez NCN] - Language
- eng (en) English
- License
- Score (nominal)
- 20
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTab914105af4e40a88fcd7275fc8bbcf5/
- URN
urn:pkr-prod:CUTab914105af4e40a88fcd7275fc8bbcf5
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.