At low external temperatures, many heat pump systems switch over to ohmic heating. Do they turn off the heat pump or do they heat the input to the pump? Either way, using a CF source (w COP of 1.5) *and* its output could be useful, if it were both cheap and reliable enough.
On Fri, Jul 19, 2024 at 3:32 PM Jones Beene <jone...@pacbell.net> wrote: > The interesting point is that despite lack of market value for the tech, > it seems to actually violate long standing physical laws plus there seems > to be an intrinsic window where the actual gain is around 50 percent over > input > > The heat pump, in contrast, merely taps environmental heat and there is > no physical anomaly > > This situation is somewhat like the Griggs pump scenario of many decades > ago... > > ... in that there apparently is a real anomaly but only a small market for > low grade heat > > To my knowledge, the cavitation tech and real gain of Griggs has never > been debunked > > > Jed Rothwell wrote: > > > Nicholas Palmer <greendirectionconsult...@googlemail.com> wrote: > > If it can only manage a COP of 1.5-2.5, it's not as effective as a heat > pump... > > Yes. 1.5 has no practical use. Still, 50 W excess is good because it can > be measured with confidence. I think they said the results are > "consistent." If they can make it happen every time, "consistently" with > about the same magnitude, then I would say it is important progress. > > One of the articles says it is not ready for practical applications yet. I > suppose they realize that 100 W in, 150 W out has no useful applications. > >
