Indeed, it is complicated.
Of course, there are more than one heat inleak to the LN. Although I would like to define what is the conduction through the rod which, as you can see, is cooling by the vapours. The rod is on one side at 300K and on the other at 77K. The vapours on the outlet are at...
I apologize, in fact I waited a long time for any answer and then I went on leave.
Let's simplify it as much as possible...
Here is the simplify scheme -> [url=http://i.imgur.com/3kn5o3U.jpg]Link[/link to picture]
How to calculate a heat flux through a rod made of stainless steel 304 a taking...
