Recent content by Ilkka

We are trying to find out optimal thickness of the base (presented X in the picture) of this copper cooling element to get 100w heat source as cold as possible. The cooling element is kept full of Ln2 as it boils away. The picture i put in my first post should help a bit.

I think that would help us calculating the heatloss (heat coming trough the pipe from ambient to ln2) but isn't what I am looking for here (im pretty sure there isn't ready formula for this one). I figured that this system might need to be divided in two parts: bottom and pipe. Then it might...

Here is the situation: We have 100w heatload coming from little die which has only 1cm^2 of surface area. We cool it with Ln2 as cold as possible (in normal atmospheric pressure) by using simple round container which is made of 99.99% copper. Let's assume that system is perfectly isolated so all...