On Wed, Apr 9, 2014 at 5:06 PM, John Clark <johnkcl...@gmail.com> wrote:
> > > > On Tue, Apr 8, 2014 at 1:04 PM, Chris de Morsella > <cdemorse...@yahoo.com>wrote: > > > >> Me: OK I'm going to go over this one more time very slowly and I'll >>> try not to use too many big words. First let's assume that solar cells work >>> 5 times better than they really do and the capacity factor is 1 instead of >>> .2, then worldwide solar cells would produce 1.5*10^11 watts of POWER. And >>> in one hour PV would produce 1.5*10^11 watt-hours of ENERGY. And in one >>> year it would produce 365*24 = 8760 times that much or 1.3*10^15 watt-hours >>> of ENERGY. And now lets see how much POWER would be required to run human >>> technology, it's 1.5 *10^17 watts of POWER. And to run it for one hour >>> would require 1.5*10^17 watt-hours of ENERGY. And to run it for one year >>> would require 365*24 = 8760 times that much or 1.3*10^21 watt-hours of >>> ENERGY. >>> >> John, Looking here: http://en.wikipedia.org/wiki/World_energy_consumption It seems that 1.5 * 10^17 is the total energy consumption of humanity in watt-hours per year, not the power required. So the power required would be almost 4 orders of magnitude smaller than what you assume (divide by 8760). No? Telmo. > Now let's work on findings percentages. A percentage is a pure number with >>> no units and ENERGY and POWER have different units, so you can't divide >>> ENERGY by POWER as you did and expect to get anything meaningful, but you >>> can divide POWER by POWER and if you divide 1.5*10^11 watts of POWER by 1.5 >>> *10^17 watts of POWER you get the pure number .000001. Or you could divide >>> the amount of ENERGY solar cells produce in one hour, 1.5*10^11 watt-hours >>> by the amount of ENERGY required to operate technology for one hour >>> 1.5*10^17 watt-hours of ENERGY, and we still get the pure number .000001. >>> Or you could divide the amount of ENERGY solar cells produce in one year, >>> 1.3*10^15 watt-hours of ENERGY, by the amount of ENERGY required to operate >>> technology for one year, 1.3*10^21 watt-hours of ENERGY, and we STILL get >>> the pure number .000001 And that is why I originally said photovoltaics >>> provide .0001% of demand. However you said that in the real world solar >>> cells are much worse than that and the capacity factor is not 1 but is .2, >>> and that seems about right to me, so they only produce 20% of the POWER and >>> 20% of the ENERGY that I used in the above calculation, therefore >>> photovoltaics really only provide .00002% of what is required to run the >>> world. >>> >> >> > You: John you are so full of yourself that you cannot admit you >> mistook capacity for output >> > > Chris, 4 or 5 posts ago it became obvious to me that you are a ignoramus, > your total confusion between power and energy and your bizarre belief that > solar cells are better if they have a 20% conversion factor than if they > had a 100% conversion factor could lead to no other conclusion. However > being a ignoramus is not necessarily a devastating state to be in because > sometimes ignorance is curable; but more recently it became clear that you > are also incapable of learning, or at least learn at such a slow rate it is > unmeasurable by me. And unfortunately at the present day medical science > has no cure for stupid. > > John K Clark > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com. > To post to this group, send email to everything-list@googlegroups.com. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
