Thanks for the meeting links. Europe seems to be ahead of us in solar heating of buildings.
Original Message:
Sent: 11-21-2023 07:28 AM
From: Timothy Mcbride
Subject: Solar Talking Points
Mr Sharp,
Indeed checked out both of those projects. Nice work there. There is a webinar today and Thursday on that very subject. Maybe will see you there?
IEA SHC Solar Academy Webinar: Current developments in thermal energy storage materials (Broadcast)
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Timothy Mcbride
CEO/Owner
Sol-Era R & D
Original Message:
Sent: 11-20-2023 10:32 PM
From: M Keith Sharp
Subject: Solar Talking Points
Tim,
Please read my article. The Warren/Saunders house in Boxborough, MA (a cold and cloudy climate) was built in 1986, and has remained comfortable all these years without a furnace or air conditioner. You are right, the house has lots of thermal mass.
Modern systems need less. The Riggins house has just the floor slab downstairs and an extra layer of drywall upstairs. Yes, the CO climate isn't as cloudy, but the performance is still remarkable.
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M Keith Sharp
Emeritus Professor
Louisville KY
Original Message:
Sent: 11-20-2023 05:43 PM
From: Timothy Mcbride
Subject: Solar Talking Points
Yah, we used to install a unit similar to that was coined a " Heat Grabber " back in the day.
The Heat Grabber still has to have a clean line of sight towards the Sun to work efficiently. We are looking at an over built urban sprawl here in America with sub divisions out the wazoo that are attemping to retrofit towards solar with really screwed up orientation solarwise, so most folks are looking for solar PV to do it all electrically like with heat pumps, and other very efficient appliances of course the electronics and lighting is easy with solar, but yes a ground up solar with correct orientation heck yah go for it, passive solar heating with plenty of thermal mass, and mega R insulation correctamundo but still just supplemental towards overall total energy loads as will not be sufficient on those cold dark snowed in wintry days, weeks on end without a backup which is usually a generator or the existing grid.
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Timothy Mcbride
CEO/Owner
Sol-Era R & D
Original Message:
Sent: 11-20-2023 02:33 PM
From: M Keith Sharp
Subject: Solar Talking Points
Passive solar heating systems typically use the south-facing wall, not the roof. Walls are almost always vertical. See the sketch below.
Back in the day, a number of communities included solar access (for the south wall for passive solar heating, not the roof for PV) in the building codes for new development.
Passive solar heating is simple. It works without electric power, so it is resilient to power outages and it doesn't need PV or batteries nor an expanded grid as built floor area increases. See my article in the recent issue of Solar Today on six historic and modern homes that are 100% (or nearly so) passive solar heated and passively cooled. Such performance has been possible for over 70 years, but most people don't know about it.
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M Keith Sharp
Emeritus Professor
Louisville KY
Original Message:
Sent: 11-20-2023 01:50 PM
From: Timothy Mcbride
Subject: Solar Talking Points
Mr Sharp,
Few people live in homes with roofs that are " Vertical " surfaces and ground mount vertical surfaces, or walls tend to be very inconvenient as trees, buildings, overcast, and automobiles can shade the solar, but nevertheless a planned community could take advantage to this radiation if the space is available, like out in the country side, or planned solar communities in northern climates, nevertheless wind will have to be considered as vertical surfaces will have to be constructed to handle way more foot pounds of force in that regard.
Planned obsolescence!
A good article on that subject is, Why Humans Might Never Become A Type One Civilization: Part 1
A quote from that article,
" Picture this: The year is 2120 (by the most optimistic predictions) and humanity has finally done it. We've built the solar panels, the geothermal collectors, the windmills, and are finally on the brink of officially becoming a Type One civilization. We've got just one last solar collection satellite left to launch, and we're primed to celebrate in parties all across the globe. But as the countdown to that momentous moment hits zero, the satellite doesn't launch. Instead, there's an explosion in the distance, the lights go out and, as you gaze up into the darkness, you see eerie, unearthly ships descending from the sky above……Okay, so an alien invasion might not be the most likely reason why we'll never make it to Type One on the Kardashev Scale, but we can't completely strike it off the list of potential reasons either. And, to understand why, we need to talk about something called the Great Filter. "
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Timothy Mcbride
CEO/Owner
Sol-Era R & D
Original Message:
Sent: 11-20-2023 01:20 PM
From: M Keith Sharp
Subject: Solar Talking Points
On a vertical surface, you get more solar radiation in the winter than in the summer. This is quite convenient for passive solar heating systems, which contrary to popular belief, can be designed to not need a backup.
Amen to the discussion on planned obsolescence!
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M Keith Sharp
Emeritus Professor
Louisville KY
Original Message:
Sent: 11-17-2023 01:28 PM
From: Timothy Mcbride
Subject: Solar Talking Points
Sol-Era R & D Talking Points
* The Suns Rays have way less energy in the winter time for the northern hemisphere, so in most areas a backup is needed. Invention and innovation is needed such as the advanced longevity battery storage, structural insulation technologies coupled with PV/Hybrid heat pumps/ refrigeration.
* Energy isn't the problem! It is what the energy is being used for that is the problem- junk products, fake endless ritual holidays, obsolescence technologies etc... Products can be made to last many lifetimes instead of this basically junk filling up landfills. Made to fail products for repeat sales must end. Get rid of the waste, and inefficiency then the current energy paradigm can handle the existing electrical loads easy.
* Hybrid Cars, and Trucks are needed for cross-country traveling- Hybrids could be hydrogen fuel cells, propane, or gasoline.. etc coupled with integrated PV, advanced lightweight onboard battery storage driving electric drive trains.
* PV/EV/Highway? The endless range EV is possible with advanced smart asphalt PV infused or companion highways that actually become the main battery thru Inductive charging thus making cars and trucks very light and efficient.
* Solar Micro-Grids with PV arrays locally can help communities by clustering the electricity including also Bidirectional Charging with EVs.
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Timothy Mcbride
CEO/Owner
Sol-Era R & D
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