Hugh Piggott wrote: > > > In the best case the turbine is able to extract up to two thirds of > >the potential energy. > > This rule only applies where there is plenty of water and the > penstock is the overwhelming cost. In most real situations we > increase the penstock size to maximise power on the site. > > Working at the theoretical maximum means trouble with tuning the > turbine, and you are also very vulnerable to degradation of the pipe > due to build up of crud in it. > -- > Hugh
Yes indeed, in most real situations the penstock size is increased and working at the theoretical maximum does mean trouble. Regards, Max Enfield Planetary Power ------------------------ Yahoo! Groups Sponsor --------------------~--> In low income neighborhoods, 84% do not own computers. At Network for Good, help bridge the Digital Divide! http://us.click.yahoo.com/EA3HyD/3MnJAA/79vVAA/FGYolB/TM --------------------------------------------------------------------~-> Does your company feature in the microhydro business directory at http://microhydropower.net/directory ? If not, please register free of charge and be exposed to the microhydro community world wide! NOTE: The advertisements in this email are added by Yahoogroups who provides us with free email group services. The microhydro-group does not endorse products or support the advertisements in any way. More information on micro hydropower at http://microhydropower.net To unsubscribe: send empty message to [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/microhydro/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
