Search found 156 matches
- Mon Dec 19, 2016 12:33 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: Heater & Regenerator Design
- Replies: 60
- Views: 56361
Re: Heater & Regenerator Design
Heat can be transferred from one place to another by three methods: conduction (metal), convection of fluids (gas), and radiation. I am theorizing that in the displacer cylinder sweep area (gamma or beta), one wants to keep the hot side hot, and the cold side cold. The only energy transfer you want ...
- Sun Dec 18, 2016 8:59 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: Curious about the Willstead model engine (vs Bohm vs others)
- Replies: 6
- Views: 6855
Re: Curious about the Willstead model engine (vs Bohm vs others)
I also wonder if I ran the engine upside down if that would help with shrouding protecting the cold side...
- Sun Dec 18, 2016 8:56 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: Curious about the Willstead model engine (vs Bohm vs others)
- Replies: 6
- Views: 6855
Re: Curious about the Willstead model engine (vs Bohm vs others)
I wonder if the Böhm engine can be improved by electrically insulating the stainless heat head from the brass cooling tower? A thin wafer washer? Only the bolts would conduct heat
- Sun Dec 18, 2016 8:28 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: Heater & Regenerator Design
- Replies: 60
- Views: 56361
Re: Heater & Regenerator Design
Shouldn't the hot and cold sides of the displacer cylinder be electrically insulated?? That would reduce conductance of heat...
- Sat Dec 17, 2016 10:45 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: Curious about the Willstead model engine (vs Bohm vs others)
- Replies: 6
- Views: 6855
Curious about the Willstead model engine (vs Bohm vs others)
A few years I got a Bohm Stirling model and was not happy with its performance. It ran but after a while it would heat up and quit running in short order. It seems like a bad design (an older version of http://www.en.boehm-stirling.com/hb26.html ). To my newbie eyes, it appears that the hot side con...
- Sat Dec 17, 2016 10:14 pm
- Forum: Stirling and "Hot Air" Engine Forum
- Topic: New Members PLEASE read! - OR, having problems registering, being deactivated
- Replies: 511
- Views: 569973
Re: "Hi...We are new here!" First posts here (or anywhere is OK)
Hello,
My name is Chris and I am technically minded, but I am mainly here for curiosity.
My name is Chris and I am technically minded, but I am mainly here for curiosity.