Stirling engine vs. liquid nitrogen

Channel: Henrik Åkerstedt


TIP: Right-click and select "Save link as.." to download video

Initializing link download... Initializing link download.....

This is a Kontax KS90 Low temperature stirling engine. It is so beautiful and runs well with a temperature difference of only 40°C (100°F), but what about liquid nitrogen? It boils at -196°C (-320°F) so a pretty hefty temperature difference is possible. Will it survive?

We abused the engine in steps ranging from just putting it on a cooled surface to actually submerging it in nitrogen.

Video shot with a GoPro, a Sony DVR and an Optris thermal imager at Vetenskapens Hus in Stockholm ( with an engine from Kontax (