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hi all
I'm from Italy, i'm a mechatronic engineer and my interest in renewable energy is growing faster and faster everyday! I wanna project a vertical axis windmill, which program do you suggest me to use to optimally design the blades? I've seen ANSYS Blademodeler (http://www.ansys.com/products/blademodeler.asp)... what do you think about it? any experience? any suggestions?
Thanks a lotEdited by Merlino 2008-06-15
Hehe, i know! btw i like this forum and i hope we can talk a lot!
bye
brucedownunder2 Guru Joined: 14/09/2005 Location: AustraliaPosts: 1548
Posted: 10:36pm 14 Jun 2008
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Greetings mate.. We are a strange bunch of grapes over this way ,,,, we had to check your credentials out with the mafia ,,that's what took some time .. but you're in the flock now ,,so I hope you enjoy our site.
Don't know much about vertical blades ,,but do have the steelwork curved for the outriggers and the bearings ..
Some advice,,, take a couple hours and do lots of searching ,,start with "vertical' ,, you'll be surprised how much info is on this site..
And,,,,, a few glasses of that "retsina" plonk will help...
still remember that horrible stuff from 1976,hahaha..
Hehe nice to meet you! Are u really sure about my mafia credentials? hehe btw we are gonna talk a lot about vertical axis windmills cause i have to project them as part of my job! yes i work in a renewable energy development systems firm here in Italy and i do love my job! we project and install photovoiltaic systems and we are gonna start vertical axis windmill adventure soon!
i'm gonna post soon some pics of my horizontal axis windmill!
bye
vawtman Senior Member Joined: 14/09/2006 Location: United StatesPosts: 146
Posted: 12:10am 15 Jun 2008
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Hi Merlino
Boy you got a cool job Are you a fly by nighter or serious?
Does your company have a website?
Nice to meet you!!
Hehe not sure what a fly by nighter means but i'm damn serious!
We have got a website that i've not immediately mentioned because it's all written in italian, but I'm gonna create an english version soon!
So this is the photogallery (which i'm gonna expand soon) with a few of our photovoltaic systems... slowly move your mouse over the images without clicking and you're gonna see a larger image of the plants!
http://www.seielettrotecnica.it/html/IT/s_galleria.html
Let me know if you like them!
Here you can see my first horizontal axis windmill on the top of the company... the image isn't really clear but i hope you can see something! i'm gonna post some better pics soon!!
http://www.seielettrotecnica.it/html/IT/azienda.html
I hope you enjoy it
btw i hope we can talk a lot to improve our knowledge and my english bye
Merlino, a guy named Rahai did some tests and found a better profile for vawt.
I´m working on one of these.
And a word of caution: A lot of people will tell you that vawt wont produce any power. And yes, they are not that effective. I choose them because: they are more bulletproof, because of the lower tip speed ratio TSR. (about 1,5 times windspeed for Rahai). They wont make a lot of noise, if robustly constructed, also because of low TSR. Mine, running still without load, is totally quiet.
And they will produce power closer to the ground where you have turbulent winds.
And they might be easier to diy-people.
If you click "johnj" in the following site, pics should appear, Best wishes, johnj
http://www.fieldlines.com/story/2008/3/13/131110/393Edited by johnj 2008-06-18cheers, J
Nice to meet you!
I've seen that site but i think it's pretty hard to consult him... I've not found your pics! Can you show me where i can find them?
Did anyone else build a vertical axis windmill?
Bye
this should work better....
http://www.fieldlines.com/user/john%20j/files
I think you need to look around at the projects there. Doing that will answer a thousand questions. And ask aother 1000 ;-)Edited by johnj 2008-06-19cheers, J
Merlino, it works fine, even in storm. but no generator of any kind yet. Will come.cheers, J
vawtman Senior Member Joined: 14/09/2006 Location: United StatesPosts: 146
Posted: 11:24pm 17 Jun 2008
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Merlino
I've been building an 8ft darrius(giromill) for quit some time.Darn thing has too much potential power for the different power supplies i've tried so far.
Hi
Perhaps i've missed something but what do you mean by saying ' Darn thing' ?
Btw have you got some photos of your beauty? Bye
vawtman Senior Member Joined: 14/09/2006 Location: United StatesPosts: 146
Posted: 01:49pm 18 Jun 2008
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It's the 2 blader in here.http://www.fieldlines.com/user/vawtman/files
It's going through a transformation has we speak to 4 blades.Will upload more pics this weekend and maybe try to upload a pic here but not sure how yet.
The alternator will be 54pl radial dual rotor.Still workin on that but got the shaft machined to fit.
"darn thing" is just a frustrating way to say i'm havin fun
Mark
dazz Regular Member Joined: 15/04/2008 Location: Posts: 78
Posted: 02:26pm 18 Jun 2008
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Hi Merlino, welcome to the forum!
Although my first windmill will be a HAWT, I have been following the progress of people developing VAWT's with interest. The main reason I'm interested in them is that I have 1 acre of land in a semi suburban area. I have a neighbour 100m on each side of me but public reserve land on the other sides. So I should be able to operate one HAWT without upsetting anybody, as long as it's reasonably quiet, and I choose a spot that doesn't spoil anybody's view. But with a VAWT I could potentially have a small wind farm, being low profile and quieter. So performance will be less for each one but I can have quite a few. It's a tempting proposition. I haven't built the house yet so I'm trying to imagine 10 VAWT's somehow forming an attractive architectual feature on the land.
Hi dazz, nice to meet you!
Where are you from?
Right now i'm watching as many VAWT commercial solutions as i can and i'm gonna start some project soon!
Bye
GWatPE Senior Member Joined: 01/09/2006 Location: AustraliaPosts: 2127
Posted: 10:48pm 18 Jun 2008
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I think you mean VAWT!become more energy aware
dazz Regular Member Joined: 15/04/2008 Location: Posts: 78
Posted: 10:13am 19 Jun 2008
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Quite correct Gordon. Thanks for picking that up.
Merlino, I'm in Tasmania which is a small island state on the bottom of Australia. Despite what many international tourists still believe, we are actually part of Australia and no passport is needed to travel from mainland Australia to Tasmania
Notice. New forum software under development. It's going to miss a few functions and look a bit ugly for a while, but I'm working on it full time now as the old forum was too unstable. Couple days, all good. If you notice any issues, please contact me.
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