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Volute and diffuser performance analysis for high turning turbine systemXu, Runsong. January 2002 (has links)
Thesis (M.S.)--Mississippi State University. Department of Mechanical Engineering. / Title from title screen. Includes bibliographical references.
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Preliminary design study of an enhanced mixing eductor system for the LHA (R) gas turbine exhaust /Dudar, Stephen W. January 2003 (has links) (PDF)
Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, December 2003. / Thesis advisor(s): Knox T. Millsaps, Jr. Includes bibliographical references (p. 49-50). Also available online.
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Study on wear particles of gas turbines during running-in /Kwok, K. M. January 1900 (has links)
Thesis--M. Sc., University of Hong Kong, 1982.
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Numerical simulation of local climatic impact of an operating wind turbineYang, Yuan, 杨源 January 2012 (has links)
Wind energy is commonly considered to be a clean and environmentally friendly renewable energy resource, as they do not pollute our atmosphere with greenhouse gas, nor do they cause any radioactive problems compared to nuclear energy. However, there are still some environmental impacts due to the installation and operation of the wind turbines that cannot be ignored, such as noise, visual and climatic impact. Especially, the observed local climate change in some wind farm areas has attracted general concern in recent years. Experts suspected that long time operation of wind turbines in an area can cause changes to local precipitation, evaporation of the water on earth surface, and even affect the frequency of drought happening. Nevertheless, we still cannot figure out whether these changes would be caused by wind turbines or not. The target of this study is to investigate the potential local impact of an operating wind turbine by numerical simulation.
Because of the big geometric size of commercial wind turbines, experimental method is very limited in this type of study. Numerical simulation using CFD is considered to be a suitable approach and commercial software “FLUENT” is utilized in this study. Firstly, an accurate 3-D numerical wind turbine model was established and the frozen blade method was used to realize the rotation of the wind blades. Before further simulation, a wind-tunnel test has been undertaken by using a scaled physical wind turbine model for validation purpose. The experimental results show good agreement with those predicted by the numerical simulation. This suggested that the computation results were validated and the computational model can be used for further study.
In this research, three wind turbine cases, with different typical ambient temperature and surface temperature, were simulated. Characters like wake structure, turbulence intensity and local temperature change was collected and analyzed in each simulated case. The results show that the operating wind turbine can bring obvious velocity deficit in the wake and a strong turbulence intensity enhancement was observed at the top tip because of the rotation. Also, local temperature change was found in the near wake region. The investigation of the local impact of the operating wind turbine is very significant. This study provides a valuable insight into the potential impacts of wind farms on local meteorology, which is rarely studied before. Meanwhile, a more comprehensive study on the effect of a wind farm on the environment is highly recommended. / published_or_final_version / Mechanical Engineering / Master / Master of Philosophy
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A simulation-based procedure for reliability anaylsis of wind turbinesSaranyasoontorn, Korn 28 August 2008 (has links)
Not available / text
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Aerothermal investigation of hub leakage flows in high-pressure turbinesPopović, Ivan January 2010 (has links)
No description available.
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Ultra-high lift blades for low pressure turbinesHimmel, Christoph Georg January 2010 (has links)
No description available.
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Vibration analysis of a steam turbine bucket groupGuenther, Dean Ernest, 1938- January 1968 (has links)
No description available.
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Theoretical study of a viscous turbineYalcin, Ali Ihsan 05 1900 (has links)
No description available.
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Dynamic analysis of high-speed wind-turbine systems.Duggal, Jatinder Singh. January 1970 (has links)
No description available.
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