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Welcome to Arizona   The Healthy You: Health and Fitness Polls

Started Jun-6 by Jeri (azpaints); 12592 views.
kizmet1

From: kizmet1

Jun-7

Lol. No, just a bunch of babies 9 months later.
You think GOP and AZ will.let Trump in after his comments about McCane? Pro or con, he served his country in war and in politics. Watch The View Monday to hearif his daughter speaks her mind,
Jeri (azpaints)

From: Jeri (azpaints)

Jun-7

The GOP has already contacted the campaign to get it to Phoenix inspite of the fact he has not paid for the rallies he held here or in Tucson.

kizmet1

From: kizmet1

Jun-8

I don't know why anyone would want to go there in what must be really awful heat.
His campaign mgr better do a better job.

A UV light system in an HVAC is the kind of game changer to effectively get ahead of infectious disease outbreaks. They make a system (kind of expensive) that also uses counterflow heat exchangers to bake the air to about 350 degrees to kill just about everything, then cools it back down to something normal, and recover most of the energy needed to do the heat up and cool down.

Essentially there are a pair of ducts with an oven at the far end. Pathogen laden air is drawn in one end. There is an accordian of copper or maybe copper clad aluminum, separating the two air streams. It has maybe half an acre of surface area so the hot air coming out of the oven, transfers its heat to the cool air going into it, while cooling off the super-hot air to near room temperature by the time it gets to the discharge point. Only a little refrigeration is needed to chill that down the last few degrees, and a little supplemental heat to pre-heat the intake air on the way to the oven. Sometimes they can use some of the a/c condenser core inside the intake to pre-heat for the oven, and make the process more energy efficient.

http://www.thermex.co.uk/news/blog/605-why-counter-flow-heat-exchangers-are-more-efficient

https://www.explainthatstuff.com/how-heat-exchangers-work.html

... A heat exchanger is a device that allows heat from a fluid (a liquid or a gas) to pass to a second fluid (another liquid or gas) without the two fluids having to mix together or come into direct contact. ...

... A recuperator is typically used to capture heat that would otherwise be lost, for example, as stuffy air is ventilated from a building: cold, incoming fluid is channeled in the opposite direction to warm, outgoing fluid to minimize the heat loss. The two fluids flow through separate channels, remain separate, and do not mix. Since incoming and outgoing fluids move in opposite directions, recuperators are examples of counterflow heat exchangers. The heat exchanger in a heat-recovery ventilation (HRV) system is an everyday example of a recuperator. ...

Alfi (THIALFI)

From: Alfi (THIALFI)

Jun-8

Phoenix in August? In the midst (more or less) of a pandemic?

Hmmm.

Showtalk
Staff

From: Showtalk

Jun-8

It’s not but doesn’t have the humidity of the Southeast.  If everything is indoors, it’s no different than it would be for people who live there.  I’m sure it’s a financial decision.  They need an area with hotel space available and it will bring money and temporary jobs to the area, or will bring laid off and furloughed employees back for the time.  It seems extreme foe those looking at it politically but from a business standpoint, it makes sense.  A lot of places opened on June 1st.

Jeri (azpaints)

From: Jeri (azpaints)

Jun-8

Everything is air conditioned plus unless the humidity is high, it doesn't feel so hot.

 

Jeri (azpaints)

From: Jeri (azpaints)

Jun-8

Oddly, we could all tell the difference in the air 'smell'?  Can't explain, but there was a difference.  And our portable air purifiers work less, and the filters stay cleaner longer.  Since 80% of the area surrounding us is desert dirt, that's nice!

Jeri (azpaints)

From: Jeri (azpaints)

Jun-8

The issue for me is our numbers of cases are rising rapidly in all categories - new cases, new hospitalization and new deaths.  Banner Health just closed ALL of their hospitals to Covid cases and restricted ER access and they are the largest hospital system here.  A convention of 17,000 or more could be deadly.    

kizmet1

From: kizmet1

Jun-8

That is good. I like the heat. I have a below normal temp. Heat feels good. (Feels better in HI).
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