Hello, 6 inch penstock is not good for 150 litres second 12 inch is better, only 0.3 meter of head loss with metal penstock
Cross flow turbine seem to be a good choise. Because you can use a draft tube. And a 1/3 2/3 arrangement covered you flow efficiently. Regards Eric ----Message d'origine---- >A: [email protected] >De: "bogbrush48" <[EMAIL PROTECTED]> >Date: Wed, 14 Dec 2005 14:12:56 -0000 >Sujet: [microhydro] Yet another newbie ! > >Any advice please on our potential (not meant as a pun !)for >generating electricity ? We have an ancient mill in the middle of a >town in Devon, England, with 5 metre by 1 metre wide wheel (1888 >manufacture) still working but idling only. We want to do a microhydro >scheme. Our leat is 1200 metres long and I have checked the data daily >over the last year and the water runs at the mill headrace between 50 >and 150 litres per second. The usable drop (head) is only the section >near the mill about 25 metres in length, and is 4 metres head to >position of "turbine" (next to the wheel) and a further 3 metres MAY >be possible if we use a draft tube on the tailrace side (another >landowner). I am guessing that a six inch penstock and enclosed >crossflow turbine is the best arrangement but would welcome any >suggestions please ? I would rather not use the wheel, keeping that >idling for the tourists only. We've had a pre-feasibility study done >which confirms the flow I've recorded. >Sorry if this is a site for "run of river" people only, but I've got >to start somewhere ? >Many thanks, Bob. > > > > > > > > > > >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 > > > > > > > ------------------------------------------------------------- NetCourrier, votre bureau virtuel sur Internet : Mail, Agenda, Clubs, Toolbar... Web/Wap : www.netcourrier.com Téléphone/Fax : 08 92 69 00 21 (0,34 TTC/min) Minitel: 3615 NETCOURRIER (0,16 TTC/min) ------------------------ 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/
