Re: [EnergyPlus_Support] Cooling Tower: wet or dry cooling function

[Don Shirey <shirey@xxxxxxxxxxxx>]

See the discussion in the EnergyPlus Engineering Reference document for 
this object (search for Cooling Tower:Single Speed).

It is modeling a wet tower, not a dry cooling tower.


patrik_789 wrote:

> Dear Sankar,
>
> in addition to the previously discussed problems, there are further
> questions about the possibilities for the simulation of specific
> systems and control / coupling modes for plant and condenser loops
> and their components.
> As you have seen, we use a cooling tower single speed in the first
> condenser loop. The question is, if this kind of cooling tower (and
> therefore all the cooling towers modeled in energy plus) is a wet
> cooling tower or only a dry cooling tower with an integrated fan for
> a better convection.
> We are not sure about the functionality of this object, because
> there are a lot of references to the wet bulb temperature in the
> input output documentation: for the condenser loop temperature set
> point mode and for the cooling tower wet bulb temperature difference
> based operation.
> But the definition of the cooling tower in the input output
> documentation is: close circuit cooling tower, thus it can't be a
> wet cooling tower.
> If the cooling tower in energy plus is indeed a dry cooling tower,
> how could we simulate a wet cooling tower?
> Furthermore our real cooling tower can be switched between wet and
> dry cooling function.
> During the winter, when the outside temperatures are below 6 °C, the
> cooling tower operates in a closed circuit modus with an operating
> fan.
> How could we implement/ simulate such a system/ case?
> We would appreciate if you could point us in the right direction
> towards the solution of this problem.
> Best regards,
>
> Patrik





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