solar water heating
solar water heating
PermaCity Solar Partnership with Livingreen Makes Solar Energy More Affordable, Mainstream
PermaCity Solar, an innovative leader in specialized energy solutions, today announced a strategic partnership with Livingreen, a retail and consulting company dealing with sustainable homes.
Whats the advantages of solar water heating?
solar energy is the best way to save ur electricity bills secondly as all are taking about global warming we can use this power to help in reducing the warmth we are giving out MOre over u get hot water when ever u need esp whenthere is no electricity.besides other help
solar water heating
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February 11th, 2009 at 8:46 pm
I appreciate the specific information. I understood the heat tube you make, and how it goes into the vac tube, but I didn’t see how you attached your heat tube to the manifold, where it “gives up its heat”. Thanks for the vid.
February 12th, 2009 at 10:19 am
My other videos show that the bulb slides into a coupler fitting, which is soldered to the manifold pipes. The bulb is not soldered to the coupler.
February 12th, 2009 at 10:20 am
I used copper anti seize paste to improve the thermal transfer from bulb to fitting.
February 13th, 2009 at 12:04 am
Thanks
March 4th, 2009 at 3:33 pm
Nice video….
January 20th, 2010 at 4:06 pm
How did you decide on 8 cc’s of Acetone? I am sure this is one of those things where more is NOT better. I can see where an optimum amount, if exceded, would rupture the tube.
January 20th, 2010 at 4:26 pm
Trial and error, and the error can get dangerous. Instead of rupturing the tube, the bulb blew off and went completely over my house!
January 20th, 2010 at 4:48 pm
LOL, that sounds like one of those exciting moments of science thru experimentation.
March 20th, 2010 at 11:06 am
Okay, quick Engineering tip: Evacuating the inner copper tube is really a waste of time. The vacuum you’re interested in is the vacuum between the glass tube and the copper tube. you want that so you don’t lose the solar heat back out to the environment through conduction. A better plan: bigger copper tubes painted black. More surface area to absorb solar radiation. Pass fluid through tubes. Use anti-freeze so it doesn’t freeze, and so the pipes don’t corrode. Good luck!
March 21st, 2010 at 8:58 am
@12robot345 I did not evacuate the copper tube, I just heated the acetone some to drive the air out, nit the same thing at all. I know about the vacuum in the evacuated tubes. And the size of the copper tube doesn’t matter, as the insulation value of the vacuum is so good that all the heat (not solar at this point) goes into the smaller tube as I have the copper scrub pads as conductors. This enables using less costly copper, and is the way they are made commercially. Forget fluid thru the tubes
April 19th, 2010 at 7:53 am
How many BTU’s per panel? Thanks, great vid.
April 19th, 2010 at 8:42 am
I have no way of knowing