|dc.description.abstract||This thesis analyses and discusses the main alternative energy
systems that work with rotordynamics machines to generate power.
Hydropower systems, wave and ocean energy, geothermal, gas
turbines, wind power, tidal energy and biofuels are the most important
systems that use rotating shafts to generate power.
Descriptions of the principles of vibration follow with analysis of
rotordynamics. The Jeff rotor, fluid film bearings and magnetic
bearings are explained.
The protection of the environment is one of the most important features
of renewable energy and biofuel is a crucial area. Fossil fuels are a
limited resource and burning them contributes to carbon dioxide levels
with catastrophic effects for the atmosphere. This thesis analyses the
biofuels process in electricity generation and overviews the topic of
biofuels for transport.
The undesirable effects of pollution from burning fossil fuels, an
increase in international petroleum prices as well as the risk of using
nuclear power have combined effects that illustrate the importance of
research in this area.||en