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Thread: Panel efficiency experiment

  1. #1
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    Panel efficiency experiment

    I found this to be interesting. I'm not sure how helpful it is in a mobile setup.... yet.

    ​JayTee

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    Thanks JayTee, that was a truely interesting video.

    Some 15 odd years ago, a company I use to deal with, imported some special solar panels from Turkey.

    These panels had tubing fixed to the back of the solar panels ( like the info in that video ) but while the tubing was intended to cool the solar panel but the water was intended to be used in a domestic hot water system.

    I have demonstrated, on numerous occasions, how just pouring cold water over a hot solar panel increases to output substantially, to most observers disbelief.

    I have never considered or heard of using air flow to cool a solar panel.

    If I ever get some spare time, I must try out his experiment.

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    Simple enough tech, weight in mobile situations would be horrendous!

    I'd suggest for a long term static install (house etc) may pay off over time

    Thanks for posting

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    Quote Originally Posted by Tombie View Post
    Simple enough tech, weight in mobile situations would be horrendous!
    Agreed, which is why I used the qualifier "yet". I imagine early commercial use of this idea would have a "horrendous" price tag as well.
    ​JayTee

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    Stands to reason

    We are building some huge Data Centres & while i know they are not the same they must be kept cool to operate efficiently.

    Cheers
    Cheers

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    Trouble with using airflow to cool panels in a mobile application is that, while there can be plenty of it, it happens precisely when you don't need it!
    ​JayTee

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    Quote Originally Posted by chuck View Post
    Stands to reason

    We are building some huge Data Centres & while i know they are not the same they must be kept cool to operate efficiently.

    Cheers
    I imagine heat dissipation is of major concern when designing those. You could probably heat a small city off googles servers alone.
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    Quote Originally Posted by drivesafe View Post
    I have demonstrated, on numerous occasions, how just pouring cold water over a hot solar panel increases to output substantially, to most observers disbelief.
    Yes, I tested this on my home solar panels. The output definitely rose.
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    Quote Originally Posted by p38arover View Post
    Yes, I tested this on my home solar panels. The output definitely rose.
    That effect is not noticeable in Melbourne when it rains... Oh, wait...
    ​JayTee

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    Quote Originally Posted by Tombie View Post
    Simple enough tech, weight in mobile situations would be horrendous!

    I'd suggest for a long term static install (house etc) may pay off over time
    I have always been of the belief that in a mobile situation, ( where possible ) simply increasing the solar panel size gets around the messing around of lots of work for a small gain!

    But for a static setup, this is interesting!

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