Online Calculating Models of Temperature and Thermal Stresses for Turbine Rotors

Autor:	Heng Liang Zhang, Yang Heng Xiong, Dan Mei Xie, Chu Nie
Rok vydání:	2011
Předmět:	Engineering Iterative method business.industry Rotor (electric) General Medicine Mechanics Thermal conduction Integral transform Turbine Finite element method law.invention Nonlinear system law Control theory Thermal business
Zdroj:	Applied Mechanics and Materials. :557-560
ISSN:	1662-7482
DOI:	10.4028/www.scientific.net/amm.130-134.557
Popis:	This paper presents the faster calculating models of temperature and thermal stress in a rotor based on two-dimensional axis-symmetry thermal conduction and thermo-elastic theory. The models can deal with nonlinear factors caused by temperature-dependant properties using modified Newton-Raphson iterative method. An example has been given to compare the results calculated by the models with those calculated by finite element method. It is shown that the analytical models gained have high accuracy. The iterative models can be used for online monitoring and control of turbine.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::57cd2bb061295c4bdce18803e71b996b https://doi.org/10.4028/www.scientific.net/amm.130-134.557 Zobrazit plný text záznamu