What Material Can Quickly Absorb and Release Heat for Thermal Projects?

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Osher
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Hello all and thanks from advance,
1.I'm looking for a certain kind of material for a project of mine that can quickly absorb heat and in the same time quickly realesing (I guess that's the right term) heat. Of course it's all based on diffrent parameters, but I'm sure there is a better material for that purpose, I only don't know one.
I've been playing around with stainless steel it's pretty good, but the amount of heat the metal absorbers ,in my case hot water , is minor and I'm looking for something better.
Thanks a lot from advance to all helpers hope that someone has an answer,
Osher,
 

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billy_joule said:
thermal conductivity

Thanks il check, but I'm sure in general there are better materials then others
 
Osher said:
Thanks il check, but I'm sure in general there are better materials than others

Of course there are. . As it is, it sounds like you'd like something with good thermal conductivity. I can't parse the quote below so can't tell what else you'd like. You need to define what it is you need with the correct terms.
Osher said:
I've been playing around with stainless steel it's pretty good, but the amount of heat the metal absorbers ,in my case hot water , is minor and I'm looking for something better.
 
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billy_joule said:
Of course there are. . As it is, it sounds like you'd like something with good thermal conductivity. I can't parse the quote below so can't tell what else you'd like. You need to define what it is you need with the correct terms.

Of course man fully understandable Il dig in and let you know thanks for your time and help man fully appreciate best day :)
 
Osher said:
I'm looking for a certain kind of material for a project of mine that can quickly absorb heat and in the same time quickly realesing (I guess that's the right term) heat.
The rate of heat transfer is decided by the contact surface area. Water has a greater heat capacity per unit volume than metals including iron.

Maybe you should consider using a wax or fat that stores energy in a phase change at the temperature you will be operating. By distributing that material in thin walled flat tubes you will have the greatest thermal energy storage capacity and the greatest transfer rate.