Quote Originally Posted by Martinm210 View Post
I'm pretty rough on the watts and thermal side of things.

But if I figured this out right, it takes about 395watts of heat energy to change a 1.5 GPM flow rate by only 1 degree celcius.

I could be wrong, but this is what I used:

1.5gallons per minute.

1.5 gallons = 5,678 milliliters = 5,678 grams

Divide by 60 for one second

= 94.6grams water / second

q=(specific heat of H20)X(grams of H20) x dT
=(4.18 J/g-K)x(94.6 grams H20)x(1K)
=395 Joules

A Joule is a watt-sec and we were measuring for one second, so that 395 watts.

And that's assuming 100% efficiency.

Probably need to go with the bigger TECs?

That seems like alot of TEC to change the water temperature though...Maybe I figured something wrong..?
Oh god, SHUT UP!

I just took a test on q=MCdT in chem yesterday. It's 2AM saturday morning, I'm not supposed to be reading this!!!