Re: Why isn't water used as a thermal-insulation?


Brablo wrote:
> It's specific heat (amount of energy to raise its temperature 1 degree)
> is very high (4.184 J/K). Why isn't water, treated with something to
> prevent it from freezing used as a housing insulation as opposed to
> fiberglass? Water can even deter fires a little better.
>
> Also, why not have homes in Arizona or some other desert areas be
> coated with a reflective coating to reflect back sun rays? Also, why
> not have these same homes have water perfuse from it like sweat
> perfusing out of sweat pores to keep the temperature down?

Tends to leak and evaporate when used as insulation..

They do. White vinyl siding, for instance.

"Sweating" water as evaporative cooling. Water's a scarce commodity in
desert climes.

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