Posted by ovyyus (203.26.14.3) on April 21, 2003 at 00:01:56:
In Reply to: ovyyus posted by David on April 20, 2003 at 20:03:37:
Hi David,
Yes, I see what you're saying. But you're back to the old PM cycle problem again, aren't you: Work => Heat => Work - losses. Any process involving heat generation must support losses.
A cold component will naturally absorb heat energy from its environment. Work => Cold => Work + ambient heat gain.
The question is can a component within the wheel be made cold (relative to ambient) without investing more energy than we get back? Generally, it would seem not.
Regards, ovyyus
: Well, I don't know if you have seen my post where I put forth the idea that heat friction from the axel could have been used to supply potential to a compressed air or gas system. I suppose it is possible. If it was a gas being used then none could be allowed to escape (no problem there) but it would have to be cooled so the process could start over again, and this would have to be done fairly quickly. Could be a reason why the wheel was so large, the cooling area situated at the wheels perimeter.
: David