[TRNSYS-users] Fan Motor Efficiency - Type 111b & Type 112a

[mcdowell at tess-inc.com]

Joe -

You are correct. The motor efficiency is used to determine the heat 
loss to the air and not the power consumption for those models.

Regards,

Tim
---
Timothy P. McDowell
Executive Vice President
Thermal Energy System Specialists, LLC
22 N Carroll St, Suite 370
Madison, WI 53703
608-274-2577

On 2013-03-18 14:35, Joseph Firrantello wrote:
> Hello,
>
> I've been using the Type 111b and Type 112a fan models in building
> energy use simulations. After looking through the documentation and
> FORTRAN code for these Types, it appears to me that the "motor
> efficiency" parameter is not (and is not supposed to be) taken into
> account for the "power consumption" output? Another way of phrasing
> this: The "rated power" parameter is HP (i.e. including motor
> efficiency), not BHP? I think I'm understanding this, just wanted to
> confirm.
>
> Thanks,
>
> Joe Firrantello
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