Michel Jullian wrote: > > ----- Original Message ----- > From: "Jed Rothwell" <[EMAIL PROTECTED]> > To: <vortex-L@eskimo.com> > Sent: Thursday, March 08, 2007 7:25 PM > Subject: Re: [Vo]: Proof of capturing ambient temperature energy > > >> Michel Jullian wrote: >> >>> The highly OU commercial ambient air energy pumping devices I was >>> talking about are those residential heating heat pumps we have been >>> discussing in the 'loop closed' thread, they commonly reach COPs of >>> 4 (1000W out for 250W in, the excess coming from ambient air). >> >> I thought this thread was a joke. > > The 'loop closed' thread you mean? It was a joke indeed, I said so and I > explained why the overall loop COP was necessarily sub unity. Still, these > things have high COPs, much higher than what has been achieved by e.g. cold > fusion, or even present hot fusion devices for that matter. > >> A heat pump is NOT over unity. > > I don't get it. You mean overunity doesn't mean a COP>1 !? Or that the > coefficient of performance isn't the ratio of output to input energy? Or that > COP is not a proper term for heat pumps? Or that heat pumps don't have COPS > over unity? Or that it matters whether the excess energy comes from ambient > air or from e.g. fusion inside the device?
COP is the ratio of output power to input power. Harry
