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Spray water on compressor to raise efficiency? BoyntonStu 09-26-2007
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Posted by Telstra on September 26, 2007, 9:39 pm
The temperature difference between the condenser coil
and the air is the point of balance where all of the heat in
the gas is rejected and the gas condenses into a liquid
At this point of balance the pressure becomes constant
at the condensing pressure.
The difference in Evaporating and condensing pressure is
then used to force the liquid refrigerant through the
refrigerant control. If this pressure is reduced then flow is
reduced and the evaporator can starve.

> Large buildings use water to remove the heat from theur ac condensers.
>
> What about a recirculating fountain to spay the coils in my ac
> condenser for 90+ temp days.
>
> How much 'gain' in efficiency would result?
>



Electric Radiant Heat 468x60
Posted by on September 27, 2007, 4:55 am

> What about a recirculating fountain to spay the coils in my ac
> condenser for 90+ temp days.

I pumped rainwater water up from a plastic 55 gallon drum through
a horizontal tube with some holes over the coil of a window AC.

> How much 'gain' in efficiency would result?

... 20% in my experiments and 22% in Y. Goswami's U. Florida central air
experiments. He built a swamp cooler around the AC coil, so the water
never touched it. I avoided mineral buildup by using rainwater, with
a $10 10 W fountain pump in a plastic 55 gallon drum below the AC.
Limestone in the drum helps avoid acid rain problems.

Nick


Posted by BoyntonStu on September 27, 2007, 8:41 am
On Sep 27, 4:55 am, nicksans...@ece.villanova.edu wrote:
>
> > What about a recirculating fountain to spay the coils in my ac
> > condenser for 90+ temp days.
>
> I pumped rainwater water up from a plastic 55 gallon drum through
> a horizontal tube with some holes over the coil of a window AC.
>
> > How much 'gain' in efficiency would result?
>
> ... 20% in my experiments and 22% in Y. Goswami's U. Florida central air
> experiments. He built a swamp cooler around the AC coil, so the water
> never touched it. I avoided mineral buildup by using rainwater, with
> a $10 10 W fountain pump in a plastic 55 gallon drum below the AC.
> Limestone in the drum helps avoid acid rain problems.
>
> Nick

Some thoughts.

The average house unit in Florida is several tins ad it produces about
1 gallon of cool condensed water per day HMMM?

Some details please on the swamp cooler design.

Would this idea work?

Sink a 55 gallon drum into the 70* ground to cool the water and to
hide it.

Pipe all condensate into the drum.

Swamp cooler surrounding the condenser.

BoyntonStu

I have a duplex on an island.

The utilities last month were almost $700.






Posted by jim on September 27, 2007, 9:08 am
> On Sep 27, 4:55 am, nicksans...@ece.villanova.edu wrote:
>
>
>
>
>
>
> > > What about a recirculating fountain to spay the coils in my ac
> > > condenser for 90+ temp days.
>
> > I pumped rainwater water up from a plastic 55 gallon drum through
> > a horizontal tube with some holes over the coil of a window AC.
>
> > > How much 'gain' in efficiency would result?
>
> > ... 20% in my experiments and 22% in Y. Goswami's U. Florida central air
> > experiments. He built a swamp cooler around the AC coil, so the water
> > never touched it. I avoided mineral buildup by using rainwater, with
> > a $10 10 W fountain pump in a plastic 55 gallon drum below the AC.
> > Limestone in the drum helps avoid acid rain problems.
>
> > Nick
>
> Some thoughts.
>
> The average house unit in Florida is several tins ad it produces about
> 1 gallon of cool condensed water per day HMMM?
>
> Some details please on the swamp cooler design.
>
> Would this idea work?
>
> Sink a 55 gallon drum into the 70* ground to cool the water and to
> hide it.
>
> Pipe all condensate into the drum.
>
> Swamp cooler surrounding the condenser.
>
> BoyntonStu
>
> I have a duplex on an island.
>
> The utilities last month were almost $700.- Hide quoted text -
>
> - Show quoted text -

The savings won,t equal the added bother.


Posted by on September 26, 2007, 9:40 pm
in grocery store we put in misters on our condensers,cut elec bill
in half.had to clean coils twice a tear with lime remover.lucas

http://www.minibite.com/america/malone.htm


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