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Technology advances, to where exactly?



 
 
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  #21  
Old October 2nd 17, 11:57 PM posted to rec.bicycles.tech
DougC
external usenet poster
 
Posts: 1,276
Default Technology advances, to where exactly?

On 10/2/2017 2:15 PM, Frank Krygowski wrote:
On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B. wrote:

I don't know if it is used everywhere but large fans with a "water
spray" system attached so that they blow a sort of fine mist are
commonly used here in outdoor places where people accumulate. Think
"beer garden", and they also make what might be called "room air
conditioners" that are what used to be called "swamp coolers".


We bought one of the pressurized bottle personal misters during one of our trips
to New Mexico. It worked well for my wife, who doesn't tolerate heat well.

It seems noticeably less effective here in humid Ohio. What's the typical
humidity levels where you see the water spray fans used? ...


Ummm,,,,,, in the desert.

The stark reality of evaporative coolers is that they work best in the
very places that typically don't have a lot of water.

~~~~~~~

In places where evaporative coolers work well, some nicer houses even
have them integrated into the central heating/cooling system.
Evaporative coolers also have the side-effect of dumping a lot of
humidity into the air, which, if you have a luxury home with a lot of
fancy woodwork, part of the warranty is that it isn't valid if you don't
take precautions to protect the interior of the home from very-high and
very-low humidity--because the pretty woodwork will all warp and crack.

If retailers don't sell them where you live, then you probably live
where they don't work well.

If you live in a humid environment, all a swamp cooler is going to do is
make mildew grow on everything in the room.

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  #22  
Old October 3rd 17, 12:00 AM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 3,169
Default Technology advances, to where exactly?

On Monday, October 2, 2017 at 3:56:20 PM UTC-7, Doug Cimperman wrote:
On 10/2/2017 2:15 PM, Frank Krygowski wrote:
On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B. wrote:

I don't know if it is used everywhere but large fans with a "water
spray" system attached so that they blow a sort of fine mist are
commonly used here in outdoor places where people accumulate. Think
"beer garden", and they also make what might be called "room air
conditioners" that are what used to be called "swamp coolers".


We bought one of the pressurized bottle personal misters during one of our trips
to New Mexico. It worked well for my wife, who doesn't tolerate heat well.

It seems noticeably less effective here in humid Ohio. What's the typical
humidity levels where you see the water spray fans used? ...


Ummm,,,,,, in the desert.

The stark reality of evaporative coolers is that they work best in the
very places that typically don't have a lot of water.

~~~~~~~

In places where evaporative coolers work well, some nicer houses even
have them integrated into the central heating/cooling system.
Evaporative coolers also have the side-effect of dumping a lot of
humidity into the air, which, if you have a luxury home with a lot of
fancy woodwork, part of the warranty is that it isn't valid if you don't
take precautions to protect the interior of the home from very-high and
very-low humidity--because the pretty woodwork will all warp and crack.

If retailers don't sell them where you live, then you probably live
where they don't work well.

If you live in a humid environment, all a swamp cooler is going to do is
make mildew grow on everything in the room.


Actually it's pretty surprising that in the desert the relative humidity often runs to 24% which is humid as hell. Inside your home it's probably around 12%.
  #23  
Old October 3rd 17, 01:52 AM posted to rec.bicycles.tech
AMuzi
external usenet poster
 
Posts: 8,923
Default Technology advances, to where exactly?

On 10/2/2017 5:57 PM, DougC wrote:
On 10/2/2017 2:15 PM, Frank Krygowski wrote:
On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B.
wrote:

I don't know if it is used everywhere but large fans with
a "water
spray" system attached so that they blow a sort of fine
mist are
commonly used here in outdoor places where people
accumulate. Think
"beer garden", and they also make what might be called
"room air
conditioners" that are what used to be called "swamp
coolers".


We bought one of the pressurized bottle personal misters
during one of our trips
to New Mexico. It worked well for my wife, who doesn't
tolerate heat well.

It seems noticeably less effective here in humid Ohio.
What's the typical
humidity levels where you see the water spray fans used? ...


Ummm,,,,,, in the desert.

The stark reality of evaporative coolers is that they work
best in the very places that typically don't have a lot of
water.

~~~~~~~

In places where evaporative coolers work well, some nicer
houses even have them integrated into the central
heating/cooling system. Evaporative coolers also have the
side-effect of dumping a lot of humidity into the air,
which, if you have a luxury home with a lot of fancy
woodwork, part of the warranty is that it isn't valid if you
don't take precautions to protect the interior of the home
from very-high and very-low humidity--because the pretty
woodwork will all warp and crack.

If retailers don't sell them where you live, then you
probably live where they don't work well.

If you live in a humid environment, all a swamp cooler is
going to do is make mildew grow on everything in the room.


Yeah, Coolerators are bad enough in Texas but useless in
Wisconsin or (as Frank said) Ohio.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #24  
Old October 3rd 17, 02:47 AM posted to rec.bicycles.tech
John B.[_3_]
external usenet poster
 
Posts: 3,367
Default Technology advances, to where exactly?

On Mon, 2 Oct 2017 12:15:28 -0700 (PDT), Frank Krygowski
wrote:

On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B. wrote:

I don't know if it is used everywhere but large fans with a "water
spray" system attached so that they blow a sort of fine mist are
commonly used here in outdoor places where people accumulate. Think
"beer garden", and they also make what might be called "room air
conditioners" that are what used to be called "swamp coolers".


We bought one of the pressurized bottle personal misters during one of our trips
to New Mexico. It worked well for my wife, who doesn't tolerate heat well.

It seems noticeably less effective here in humid Ohio. What's the typical
humidity levels where you see the water spray fans used? Maybe I should rig
up something like that for our sunny patio, for next summer.

- Frank Krygowski


I've seen them used in Thailand and Singapore. Singapore has an
average temperature of 82.5(F), 166 days of rainfall and an average
humidity of 80%. Thailand has an average humidity of 79.9%, average
annual temperature is 89.6(F) and averages 130 days of rain (average
whole country).

Quite a lot of open air type of places have them and my experience was
that it made it feel cooler, but I don't know whether it actually
lowers the temperature appreciable.

The first ones of these I saw was a ring of, maybe, 1/4" tubing
mounted on the face of a 24" fan, similar to
https://www.amazon.com/DecoBREEZE-Ou.../dp/B002COJB3Y
A piece of 1/4" copper tubing and one could make his own at least well
enough to see whether they were practical.

My wife has a evaporator type of room air con (swamp cooler) and it
blows cool air... or at least it feels cool, even during a downpour.

Re make your own. The first ones I saw were simply a tube ring with
small holes drilled in inner diameter of the tubing aimed straight
across the face of the fan. No nozzles as in the Amazon version.
--
Cheers,

John B.

  #25  
Old October 3rd 17, 03:47 AM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 6,104
Default Technology advances, to where exactly?

On Monday, October 2, 2017 at 5:52:11 PM UTC-7, AMuzi wrote:
On 10/2/2017 5:57 PM, DougC wrote:
On 10/2/2017 2:15 PM, Frank Krygowski wrote:
On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B.
wrote:

I don't know if it is used everywhere but large fans with
a "water
spray" system attached so that they blow a sort of fine
mist are
commonly used here in outdoor places where people
accumulate. Think
"beer garden", and they also make what might be called
"room air
conditioners" that are what used to be called "swamp
coolers".

We bought one of the pressurized bottle personal misters
during one of our trips
to New Mexico. It worked well for my wife, who doesn't
tolerate heat well.

It seems noticeably less effective here in humid Ohio.
What's the typical
humidity levels where you see the water spray fans used? ...


Ummm,,,,,, in the desert.

The stark reality of evaporative coolers is that they work
best in the very places that typically don't have a lot of
water.

~~~~~~~

In places where evaporative coolers work well, some nicer
houses even have them integrated into the central
heating/cooling system. Evaporative coolers also have the
side-effect of dumping a lot of humidity into the air,
which, if you have a luxury home with a lot of fancy
woodwork, part of the warranty is that it isn't valid if you
don't take precautions to protect the interior of the home
from very-high and very-low humidity--because the pretty
woodwork will all warp and crack.

If retailers don't sell them where you live, then you
probably live where they don't work well.

If you live in a humid environment, all a swamp cooler is
going to do is make mildew grow on everything in the room.


Yeah, Coolerators are bad enough in Texas but useless in
Wisconsin or (as Frank said) Ohio.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


damp poly cotton, not Walmart, cools for Ohio
  #26  
Old October 3rd 17, 03:57 AM posted to rec.bicycles.tech
Frank Krygowski[_4_]
external usenet poster
 
Posts: 5,260
Default Technology advances, to where exactly?

On 10/2/2017 7:00 PM, wrote:
On Monday, October 2, 2017 at 3:56:20 PM UTC-7, Doug Cimperman wrote:
On 10/2/2017 2:15 PM, Frank Krygowski wrote:
On Sunday, October 1, 2017 at 8:20:57 PM UTC-4, John B. wrote:

I don't know if it is used everywhere but large fans with a "water
spray" system attached so that they blow a sort of fine mist are
commonly used here in outdoor places where people accumulate. Think
"beer garden", and they also make what might be called "room air
conditioners" that are what used to be called "swamp coolers".

We bought one of the pressurized bottle personal misters during one of our trips
to New Mexico. It worked well for my wife, who doesn't tolerate heat well.

It seems noticeably less effective here in humid Ohio. What's the typical
humidity levels where you see the water spray fans used? ...


Ummm,,,,,, in the desert.

The stark reality of evaporative coolers is that they work best in the
very places that typically don't have a lot of water.

~~~~~~~

In places where evaporative coolers work well, some nicer houses even
have them integrated into the central heating/cooling system.
Evaporative coolers also have the side-effect of dumping a lot of
humidity into the air, which, if you have a luxury home with a lot of
fancy woodwork, part of the warranty is that it isn't valid if you don't
take precautions to protect the interior of the home from very-high and
very-low humidity--because the pretty woodwork will all warp and crack.

If retailers don't sell them where you live, then you probably live
where they don't work well.

If you live in a humid environment, all a swamp cooler is going to do is
make mildew grow on everything in the room.


Actually it's pretty surprising that in the desert the relative humidity often runs to 24% which is humid as hell. Inside your home it's probably around 12%.


Um... "humid as hell" is over 70%. We see that routinely.

--
- Frank Krygowski
 




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