hi everybody this is just the best example of explaning the micro hydro, that I have ever seen........ really its just wonderful explanation......... keep it up the micro hydro group............
--- Manfred Mornhinweg <[EMAIL PROTECTED]> wrote: > To: [email protected] > From: Manfred Mornhinweg <[EMAIL PROTECTED]> > Date: Tue, 30 Aug 2005 00:39:26 +0000 > Subject: [microhydro] Re: ABOUT MICRO HYDRO > > Hi, > > > HI Any body can tell me how i can determined any > micro hydro plant > > capacity if i know his Discharge,water head. > > Very simple: Every kilogram of water is attracted by > Mother Earth with a > force of 9.8 Newton. Force times distance traveled > gives energy. So, one > liter of water falling one meter gives 9.8 Joule of > energy. If this > happens every second, you have a continous gross > power of 9.8 Watt. Then > you must subtract the losses of the whole system > (penstock, turbine, > transmission, generator) to reach the final > electrical power output. > > > If any formula please tell me in brief. > > Electrical power (Watts) = 9.8 * flow (liters per > second) * head > (meters) * efficiency > > The efficiency should be between 0.3 and 0.8, > depending on the quality > of the system. > > An example can make things simpler: Suppose you have > a stream giving 30 > liters per second, with a usable head of 25 meters, > and a system > efficiency of 50%, or 0.5. You will get: > > 9.8 * 30 l/s * 25 m * 0.5 = 3675 Watt. > > Clear? > > Best regards, > Manfred. > > > P.S.: This is my first post to this group. I hope to > buy a piece of land > soon, build my definitive home on it, and power it > from a microhydro > setup. So I joined here a few months ago, to get > into gear! > > -------------------------- > Visit my hobby homepage! > http://ludens.cl > -------------------------- > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ------------------------ Yahoo! Groups Sponsor --------------------~--> Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/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/
