That said, I agree the "other member" 's ideas about using alcohol or carbon-tet as a working fluid in a bottoming cycle is a bit far fetched, but would work, to a degree
but would work, to a degree?????? it does not work ........
this back of the napkin engineering and is just garbage as he proposed. This back of the napkin engineering is brought up students in Thermo classes all the time and of course never passes muster as it takes more energy input than what is generated to keep the fantasy cycle running........when you input source of heat has very minimal/minor value (exhaust steam included) you are left a big capital investment/big operating costs with a saleable output of electricity that does not cover the costs IE you end up feeding in outside electricity or money day in and day out just to run the equipment.
His whole proposed scheme is a money pit
I have sat in too many proposed Electricity Generating Schemes on operating plant/refining sites where someone comes up with a plan to lower the Electric bill.......With the newest Director of Operations claiming they will save money by building an on site power plant..............and disconnection from the grid........reconfigure the existing plant to cut usage........take essential reactors off line.....change the feedstock .....etc etc ..My job on these sites was to speak up to stop the back of the napkin people from started crackpot schemes even in planning.......Many times I would get paid to prove the crackpot scheme were money pits.......And sometimes It would be my last day.........and on those sites everyone was bankrupt within a year.....or the newest director was run off
If Spec's scheme was possible you could use a heat pump with a alcohol based turbine and generate electricity (ie extract the heat out of and exhaust cold air in the end)...again in reality ......it does not work.....You do a complete accounting on a BTU basis using equipment that works (not fantasy equipment) ...it does not work.....
Maybe someday a much much more efficient heat pump will be found in your lifetime?????? Hope you are in your 30's
Concentrated solar works.??? sure at what cost......guess if you stack it up against coal power these days ...it makes some sense........
PS The Mohave project of concentrated solar works is going to be converted to Solar panels...the grid and land is all there...just need to get rid of existing tower......the steam turbines....the mirrors.........
Grand project that is being wiped out by more effective solar panels
AP News
11 years after a celebrated opening, massive solar plant faces a bleak future in the Mojave Desert
The world's largest solar power plant of its type appears headed for closure just 11 years after opening, under pressure from cheaper green energy sources.
.
3 weeks ago
Environmental Health News
A massive Mojave Desert solar plant may shut down after just 11 years
Once the world's largest solar-thermal power plant, California's Ivanpah facility is on track for closure as cheaper solar technologies...
.
2 weeks ago
Adafruit
Ivanpah concentrated solar thermal plant in the California Mohave Desert is shutting down after 11 years
Ivanpah was the largest concentrating solar power plant in the world at the time of its construction. Now this solar plant is partially...
.
4 days ago
CNN
This alien-like field of mirrors in the desert was once the future of solar energy. It’s closing after just 11 years
From a distance, the Ivanpah solar plant looks like a shimmering lake in the Mojave Desert. Up close, it's a vast alien-like installation of...
.
1 week ago
Straight Arrow News
Massive Calif. solar plant may close years early, saving residents money
The Ivanpah Solar Power Plant may close 13 years early due to competition from newer renewable technologies and environmental concerns.
.
3 weeks ago