|
Corporate imperialist
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,266
Thanks: 273
Thanked 3,569 Times in 2,833 Posts
|
Quote:
Originally Posted by aerohead
Steam turbines operate at up to 720-F, and 1885-psi.
To commute employees to a distant mine, in 25% efficient cars, operate all the heavy diesel and electric-powered equipment to mine fuel, then transport the fuel 1,500-miles on a diesel-powered railroad train, to a fossil-fuel powered power plant, then burn it to make heat, to boil water, to make steam, for a turbo-generator, to make electricity, and transmit it over an electric grid, to run an electric motor, to operate a heat pump compressor, to reject heat, to make steam, for another steam turbine, to make electricity, to wheel onto the same grid, with conversion losses at every step in the process, has a high probability of wasting all of the 400% efficiency of the heat pump, and probably at such a loss as to be economically unfeasible. Otherwise, everyone would already be doing it.
You're fighting the Second Law of Thermodynamics at every step.
|
That sounds really complicated so just I burn fire wood for heat.
__________________
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
|