[Stoves] Heat transfer and in-line water heater

[Steve Taylor]

andrew wrote:
>>>>    
>>>>         
>> Temperature DIFFERENCE.
>>     
>
> I don't think so Steve, that's true of conduction (where adjacent 
> atoms jostle each other to exchange energy) but radiation is 
> absolute and is related to the 4th power of the absolute 
> temperature.
>   
So do two objects at identical temperature radiate to each other ?
I thought thats why a black body radiator works, and why you can't see 
the inside of a fire very well

Steve