I have managed to become slightly confused on how my graphics card is cooled! I'm a bit OCD in that I need to know how everything works, but thats just my general interest in engineering.
I know that heat pipes work by using a phase changing material at low pressure inside a sealed tube, and that when heat is applied the material evaporates and then reaches a cooler point and condences and normally returns back to its original point by mavity.
I'm confused as to how they work on a graphics card though, as the heat source is at the top and the cool area at the bottom.
Is it that the tube is over saturated with coolant and the walls are heavily coated with some texture allowing a powerful wicking action?
Basically - I know a bit about heat pipes, but how does one work upside down!
I know that heat pipes work by using a phase changing material at low pressure inside a sealed tube, and that when heat is applied the material evaporates and then reaches a cooler point and condences and normally returns back to its original point by mavity.
I'm confused as to how they work on a graphics card though, as the heat source is at the top and the cool area at the bottom.
Is it that the tube is over saturated with coolant and the walls are heavily coated with some texture allowing a powerful wicking action?
Basically - I know a bit about heat pipes, but how does one work upside down!
