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Establishment of nonlinear dynamic model for prediction of rotordynamic instability of steam turbine rotor-bearing system caused by partial admission / Ying Cui in Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 134 N° 7 (Juillet 2012) 

Public ISBD [article]  in Transactions of the ASME . Journal of engineering for gas turbines and power > Vol. 134 N° 7 (Juillet 2012) . - 04 p. Titre : Establishment of nonlinear dynamic model for prediction of rotordynamic instability of steam turbine rotor-bearing system caused by partial admission Type de document : texte imprimé Auteurs : Ying Cui, Auteur ; Zhansheng Liu, Auteur ; Daren Yu, Auteur Année de publication : 2012 Article en page(s) : 04 p. Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Nonlinear  dynamic  model  Rotor-bearing  system  Steam  turbine  Radial  steam Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : A nonlinear dynamic model is developed for a rotor-bearing system with radial steam force due to partial admission, taking into account the prediction of subsynchronous instability of a steam turbine. The optimum schemes are obtained by comparing the rotor responses subjected to maximal radial steam forces in different partial admission schemes. It is found through comparison that the instability of a rotor-bearing system is directly related to the direction of the radial steam force in the partial admission scheme. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JETPEZ000134000007 [...] [article] Establishment of nonlinear dynamic model for prediction of rotordynamic instability of steam turbine rotor-bearing system caused by partial admission [texte imprimé] / Ying Cui, Auteur ; Zhansheng Liu, Auteur ; Daren Yu, Auteur . - 2012 . - 04 p. Génie mécanique Langues : Anglais (eng) in Transactions of the ASME . Journal of engineering for gas turbines and power > Vol. 134 N° 7 (Juillet 2012) . - 04 p. Mots-clés : Nonlinear  dynamic  model  Rotor-bearing  system  Steam  turbine  Radial  steam Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : A nonlinear dynamic model is developed for a rotor-bearing system with radial steam force due to partial admission, taking into account the prediction of subsynchronous instability of a steam turbine. The optimum schemes are obtained by comparing the rotor responses subjected to maximal radial steam forces in different partial admission schemes. It is found through comparison that the instability of a rotor-bearing system is directly related to the direction of the radial steam force in the partial admission scheme. DEWEY : 620.1 ISSN : 0742-4795 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JETPEZ000134000007 [...]