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Why bleat about AC

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Why bleat about AC

Postby rogerhb » Fri 28 Jul 2006, 00:47:49

So the current situation in America is you are having black outs and people can't run their air-conditioning and people are dropping like flies.

Now ask yourself how is it that the "rag heads" have managed to live for thousands of years in the Middle East? Might they be doing something right?
"Complex problems have simple, easy to understand, wrong answers." - Henry Louis Mencken
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Re: Why bleat about AC

Postby azreal60 » Fri 28 Jul 2006, 00:59:30

Evaporative cooling. Read Rob Roy's Earthwood and Cordwood masonary building, and a ton of other books hes written. Great about the benifits of having an earth roof.
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Re: Why bleat about AC

Postby rogerhb » Fri 28 Jul 2006, 01:03:14

Mad-dogs and Englishmen go out in the midday sun.

Spain has a very different schedule during the day. I was amazed to find that restaurants did not open till after nine in the evening.
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Re: Why bleat about AC

Postby rwwff » Fri 28 Jul 2006, 01:22:09

$this->bbcode_second_pass_quote('rogerhb', 'S')pain has a very different schedule during the day. I was amazed to find that restaurants did not open till after nine in the evening.


Mid-day is nap time. People down here have briefly forgotten that rule, but if AC becomes prohibitively expensive, we'll remember it again soon enough. Besides, even if you're brain is too hide bound to figure it out, you're body will get sleepy on you anyway when its hot. An apple or peach, some tea, and a three hour nap in the shade by the pond are what that time of day calls for.

edit: to/too mishap
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Re: Why bleat about AC

Postby Loki » Fri 28 Jul 2006, 02:02:42

$this->bbcode_second_pass_quote('rogerhb', 'S')o the current situation in America is you are having black outs and people can't run their air-conditioning and people are dropping like flies.

Now ask yourself how is it that the "rag heads" have managed to live for thousands of years in the Middle East? Might they be doing something right?


A tiny percentage of Americans experienced blackouts for a few days (some of them due to a particularly nasty storm). And we're hardly "dropping like flies." It was actually quite nice today here in the Oregon Country. And I saw very few corpses in the street on my walk home from work today.
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Re: Why bleat about AC

Postby gego » Fri 28 Jul 2006, 02:09:40

I doubt that the death rate from heat is perceptably higher this year than in most; there are always summertime stories of heat deaths.

With higher energy costs, AC certainly is a luxury which will become beyond the means of the average man in the USA, and as roghehb indicates, there are alternatives, some of which are quite simple.

For most the alternative will be to suffer the heat, and yes those most vunerable will contribute to death statistics. Too bad that so many structures have not been built in recent times to function without AC, as this complicates this step back in time.
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Re: Why bleat about AC

Postby rwwff » Fri 28 Jul 2006, 02:11:44

$this->bbcode_second_pass_quote('gego', 'F')or most the alternative will be to suffer the heat, and yes those most vunerable will contribute to death statistics. Too bad that so many structures have not been built in recent times to function without AC, as this complicates this step back in time.


Nothing a sledge hammer can't fix. With the owners permission or request, of course.
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Re: Why bleat about AC

Postby gego » Fri 28 Jul 2006, 02:30:38

$this->bbcode_second_pass_quote('rwwff', '
')
Nothing a sledge hammer can't fix. With the owners permission or request, of course.


True, where practical. Nothing like cross ventelation.

Your Texas local brings to mind booyhood reminiscences shared with me by an old friend who lived near the Tex/Mex border back before WWII; one was of his brother, his grandfather and he sleeping on the front porch during hot summer nights, watching the night sky and having long converstations while waiting for the temperature to drop to make sleep tolerable. That was serious cross ventelation.
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Re: Why bleat about AC

Postby smallpoxgirl » Fri 28 Jul 2006, 02:50:15

I suspect the concrete jungle phenomenon has a lot to do with it also. I'm nice and comfy here in the forest. Barely even need a fan. I go down to town and sit stuck in traffic (damn tourists!) and I swear the tires are going to melt off the truck.
"We were standing on the edges
Of a thousand burning bridges
Sifting through the ashes every day
What we thought would never end
Now is nothing more than a memory
The way things were before
I lost my way" - OCMS
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Re: Why bleat about AC

Postby paoniapbud » Fri 28 Jul 2006, 03:07:47

My evaporative cooler costs around $.30 per day to run compared to over $3.00 for refrigerated cooling. Plus fresh air all summer and nice and humid too! Good in Colorado. More people should use it.
"God is dead. God remains dead. And we have killed him." -Friedrich Nietzsche
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Re: Why bleat about AC

Postby WisJim » Fri 28 Jul 2006, 09:49:42

My only experience with summer in the southern USA, or similar warm humid area, was spending a summer in Baton Rouge, Louisiana, back in the early 1960s. My dad attended summer school at LSU, and the family went along. The only building that I recall that was airconditioned on the campus was the library. We stayed in a dorm, no AC, and the student center didn't have AC, either. It was warm and humid (no, it was hot and wet, to a kid from Wisconsin), but we didn't die. Air conditioning was a rarity back then. We visited relatives in Texas on the way home, and they were hot and dry, and they had no air conditioning either.

I work in air conditioned buildings, and my biggest problem is adjusting to the chill when I get to work, and then re-adjusting to the real world at the end of the work day.
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Re: Why bleat about AC

Postby Demoth » Fri 28 Jul 2006, 10:22:52

Air conditioning is probably the most applicable technology for solar power. Temperatures soar with more direct sunlight. When there is little or no sunlight, temps can still be high, but they are bearable with just a small personal fan.

One good thing about this issue is the poorer you are, the smaller your dwelling tends to be making it easier to keep cool. People need to learn to use spot cooling rather then central cooling and more technology needs to be available for this.

Right now, a small box fan type unit can be made that can be placed almost anywhere within a home which outputs a high volume of chilled air like a room fan. The idea is to keep the people within the airflow cool rather then attempt to keep the whole room at a stable cold temperature. Something like this would use the refrigeration characteristics of one of the new super efficient RV portable AC units or electronics cooling designs made specifically for very low power use. Nothing over 2500 BTUs is needed for a one family spot cooling solution. The unit would simply require a long wire terminating in a relatively cheap solar panel with basic sun tracking technology along with a thin hose and small pump to carry off evaportaion and exhaust heat which could be integrated into the solar wire.

There you go, a sub $250 AC unit that would be free to use, last years and solve just about every problem with this issue.
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Re: Why bleat about AC

Postby paoniapbud » Fri 28 Jul 2006, 10:34:47

Problem is those darn McMansions are so hard to cool. Especially in the hot, humid south. Wait until the power goes out and those places duen into dark, dank, ruined shelters.
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Re: Why bleat about AC

Postby elocs » Fri 28 Jul 2006, 11:56:16

Spot cooling is spot on. Here is western Wisconsin we get some hot days in the summer, but never enough where I could justify the expense of central air. I have an air conditioner in my bedroom and that is enough. I have survived those days when the heat index was 105. The house has decent shade from trees and the fans do nicely. When I was a kid, fans were all we had.

There are too many people with central air that keep it cranked all day and night. I have a retired friend who just put in central air because he can't take the heat. He and his wife cannot take the cold either, so they survive in a temperature range of 10 degrees either side of 70.

I must say that where I live I do not remember any significant power outage in decades, even in the summer. Last weekend when it was super hot a nearby small communtiy had their power zapped by a squirrel who also got zapped.
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Re: Why bleat about AC

Postby Heineken » Fri 28 Jul 2006, 13:31:47

$this->bbcode_second_pass_quote('rogerhb', 'S')o the current situation in America is you are having black outs and people can't run their air-conditioning and people are dropping like flies.

Now ask yourself how is it that the "rag heads" have managed to live for thousands of years in the Middle East? Might they be doing something right?


The answer is very simple, rog. The Middle East has very low humidity; most of the big population zones in the US have summertime air that resembles a wet towel. Huge difference.

Advantage the Middle Easterners. On the other hand, they have very limited food-growing ability, so they're going to collapse too.
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Re: Why bleat about AC

Postby rwwff » Fri 28 Jul 2006, 13:50:28

$this->bbcode_second_pass_quote('Heineken', 'A')dvantage the Middle Easterners. On the other hand, they have very limited food-growing ability, so they're going to collapse too.
I think I'll keep my humidity and 40"+ inches of rain thank you very much. So what if I have to spend 1pm to 5pm laying in hammock in the shade of an old oak tree...
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Re: Why bleat about AC

Postby horsestoaster » Fri 28 Jul 2006, 15:33:55

I live south of Atlanta.My kids don't even think about a/c and neither do I or my husband.When I hear people whining about the a/c I wonder what they think people did 50 years ago.We just open the doors and windows and go for the cross draft.We have trees around the house that shade it too.If it gets real hot(90) we turn on a fan in the doorway to draw in the air.Wimpy people tick me off.
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Re: Why bleat about AC

Postby Ingenuity_Gap » Fri 28 Jul 2006, 16:06:51

$this->bbcode_second_pass_quote('horsestoaster', 'I') live south of Atlanta.My kids don't even think about a/c and neither do I or my husband.When I hear people whining about the a/c I wonder what they think people did 50 years ago.We just open the doors and windows and go for the cross draft.We have trees around the house that shade it too.If it gets real hot(90) we turn on a fan in the doorway to draw in the air.Wimpy people tick me off.


Try the hot, humid, sticky weather in Toronto, Canada. You can open all the windows and doors you like, put countless fans in the doorway and still slowly die of a terrible death. There's not a single trace of a breeze, it's so muggy that even a sauna is drier.

Sure, it's only 2 months a year, but without AC you're toast.
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Re: Why bleat about AC

Postby horsestoaster » Fri 28 Jul 2006, 16:36:30

Um,the deep south is kinda well known for its humidity too.A/C spoils people.They get acclimated to it then when they go out in the real world it kicks their ass.I've worked outside for 30 years and never liked the stuff(a/c).It gets hot in the afternoon.Be sensible.If you can,take a nap.If not,drink water and enjoy the blue sky and the horses grazing.You'll survive. Learn to get up with the sun and get stuff done in the cooler morning hours.It worked for a long time before we modern folks got spoiled...
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Re: Why bleat about AC

Postby tsakach » Fri 28 Jul 2006, 16:40:31

$this->bbcode_second_pass_quote('rogerhb', 'S')o the current situation in America is you are having black outs and people can't run their air-conditioning and people are dropping like flies.

Now ask yourself how is it that the "rag heads" have managed to live for thousands of years in the Middle East? Might they be doing something right?


Yes, I think they are doing something right. Middle Easterners use sustainable solutions for keeping their homes cool. One example is a cooling system known as a "windcatcher" - a narrow vertical tower with vents at the top and a port at the bottom that is open to the indoor space. The windcatcher operates by creating a pressure gradient, where warm air is drawn to the top and cooler air settles on the bottom. The design may also include a dome with several windcatchers connected to it. The dome has a pool of water at the bottom, and underground tunnels lead out of the dome into the areas to be cooled. The water-filled underground tunnels and dome use geothermal cooling to further cool the air. The walls are thick adobe blocks that provide thermal mass for absorbing heat.

The two tall windcatchers cool the andaruni section of the house.
Image


Earthquakes are one of the primary issues with adobe architecture, so from time to time, entire towns are wiped out causing large numbers of casualties. Examples are Bam, Iran and the 2005 earthquake in Pakistan.

Fortunately, a modern style of sustainable adobe architecture is being introduced through an organization known as CalEarth. CalEarth has spent considerable amount of time and effort in developing a form of adobe architecture known as "Superadobe". The superadobe construction method has passed the most rigorous standards of earthquake testing, and is well suited for hot climates. San Bernardino County, CA has approved stock plans for an "EcoDome", which makes it very easy to obtain a building permit.
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