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Re: [EnergyPlus_Support] what model for evaporative cooler for chiller?

To: "EnergyPlus_Support@xxxxxxxxxxxxxxx" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Subject: Re: [EnergyPlus_Support] what model for evaporative cooler for chiller?
From: "Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Date: Sun, 12 Jun 2016 19:01:34 -0400
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Francesco,

That looks like a standard evaporative fluid cooler to me. The spray water comes from a reservoir of water contained in the fluid cooler. Some of this equipment does not have the reservoir; the un-evaporated water is drained. The cooling performance (not water use) should be the same, however.

On Sun, Jun 12, 2016 at 12:53 PM, fpasserini.tn@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

Â

I have attached the scheme of an evaporative cooler.Â
The equations of what model represent the behaviour of such a system in the best way?
It seems that the EvaporativeFluidCooler model considers only the water that cools the chiller and the outdoor air, while in the evaporative cooler of the picture there is also a local loop of water that is sprayed.
On the other hand, it seems that the CoolingTower model considers a system in which the water that cooled the chiller is sprayed.
Best Regards
Francesco

James V Dirkes II, PE, BEMP, LEED AP
CEO/President
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx

Website l Â LinkedInÂ | May 2016 ASHRAE Journal article on energy modeling

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Posted by: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

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