Re: [DML] Re: What temperature should AC be on normal setting?
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Re: [DML] Re: What temperature should AC be on normal setting?



Room temperature change (delta T) will be the same in both cases. What I 
think you are getting at is the temperature off the coil. Slow air will 
be cooler but less is moved. Fast air will be warmer but more is moved.

In a room, with a 12,000 BTU heat exchange via a heat pump, the 
resulting room temp will be the same regardless of the airspeed over the 
coil. The system removes 12,000 BTU.

The question at hand is "what maximizes the cooling capacity of the heat 
pump, fast air or slow air?



content22207 wrote , ----On 7/25/2012 6:00 PM ---------------------------:
>
> Did you even bother to read the links I posted?
>
> Which is going to change the air temperature of a cool room more: 
> running through it as quickly as possible while holding a red hot poke 
> or walking through it slowly while holding a red hot poker?
>
> It does take time for heat transfer to occur. It is not instantaneous.
>
> Bill Robertson
> #5939
>
> >--- In dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com>, 
> Paul Gress <pgress@...> wrote:
> >
> > Again, were talking about a heat exchanger, whether air to air, air 
> to liquid (could be freon) or liquid to liquid. Heat is exchanged more 
> rapidly when the delta is greater. If you want to warm up the freon, 
> keep the air warmer by increasing the flow. So yes, the air is not 
> heated up over the evaporator, the heat in the air is exchanged to the 
> freon.
> >
> > An air conditioner is just a heat pump. It moves heat from one 
> location to another. So when the heat in the air is exchanged into the 
> freon, the condenser exchanges or transfers the heated freon to the 
> outside ambient air.
> >
> > Paul
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
> 




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