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Development and Verification of Ultra-Long-Blade for Next Generation Steam Turbine

[+] Author Affiliations
Hiroharu Ooyama, Toshihiro Miyawaki, Kazushi Mori, Toshio Watanabe, Yuichi Hirakawa, Takashi Maruyama

Mitsubishi Heavy Industries, Ltd., Hyogo, Japan

Paper No. POWER2011-55303, pp. 595-599; 5 pages
  • ASME 2011 Power Conference collocated with JSME ICOPE 2011
  • ASME 2011 Power Conference, Volume 1
  • Denver, Colorado, USA, July 12–14, 2011
  • ISBN: 978-0-7918-4459-5
  • Copyright © 2011 by ASME


Mitsubishi Heavy Industries, Ltd. (MHI) has developed “LP-End Blades Series” by employing the ISB (I ntegral S hroud B lade) structure and has lead high efficiency and reliability of the steam turbine. The latest technology has been integrated into Ultra-Long-Blades design for the next generation’s steam turbine. This paper describes the design summary of 3600rpm-50inch/3000rpm-60inches and 1800/1500rpm-74/62inches Blades and results of the verification tests.

Copyright © 2011 by ASME



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