Thanks.
After reading a little more I realize that the main issue is low power density of such an engine and therefore this thing would need to be quite big = $$. Just as you pointed out.
It's still amazing that we can get out (in theory) usable energy only from a temperature difference....
Search found 2 matches
- Tue Dec 15, 2015 2:10 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: In ground engine for cold climate question
- Replies: 3
- Views: 3397
- Mon Dec 07, 2015 10:18 am
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: In ground engine for cold climate question
- Replies: 3
- Views: 3397
In ground engine for cold climate question
I'm new to this , please bare with me. I would like to use the temperature difference from about 10ft deep ground to ambient air temperature in winter. Air temperatures in January, February go down to -15C to -20C (around 0F) on average, ground temperature at 10ft in these months will be around 5C (...