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Preliminary study of a frame for a two module turbine system
Linköping University, Department of Management and Engineering, Machine Design.
Linköping University, Department of Management and Engineering, Machine Design.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The development of steam turbines is continuously moving forward and the aim is oftento develop configurations with higher power output. Siemens Industrial Turbomachinery AB is currently in the beginning of a development project which replaces a single turbine with two interconnected turbines with higher pressure and temperature of the steam than before. To ensure reliable quality and hold down costs is it an advantage to do most of the assembly before delivery to site.This thesis work at Linköping University has been written in collaboration with Siemens Industrial Turbomachinery AB, Finspång. The objective of this work is to investigate the possibility to mount two turbines and a gearbox on a turbine frame. Theframe will be used both for transportation and during operation.The thesis considerate analyses of the turbine layout and critical parameters that may affect a turbine frame. In addition was a frame concept developed and evaluated with respect to solid mechanics and alignment of the shaft arrangement.Our conclusion is that there are good possibilities to install the equipment on a frame and achieve demands due to solid mechanics and alignment of the shaft arrangement.We recommend Siemens Industrial Turbomachinery AB to carry on with the project and do further investigations of the natural frequency of the frame concept, compare financial advantages and disadvantages together with possibilities for transportation.

Place, publisher, year, edition, pages
2011. , 160 p.
Keyword [en]
Turbine, Frame, Turbine Frame, Siemens, Steam, Module, Thermal expansion, Stress calculation, DNV, Lifting loads, Rotor Dynamics, Mesh, FEM
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-72082ISRN: LIU-IEI-TEK-A--11/01048—SEOAI: oai:DiVA.org:liu-72082DiVA: diva2:456806
Subject / course
Machine Design
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-02-29 Created: 2011-11-15 Last updated: 2012-02-29Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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