[TRNSYS-users] Question about a line in Type941 source code

[David BRADLEY]

Zhe,
   lps_air is the volumetric flow rate of the air (in liters per second) 
and rho_air_dry_in is the density (in kg/m3) of the dry air at the heat 
pump inlet temperature.
Best,
  David


On 4/19/2013 11:11, Zhe Li wrote:
>
> Dear All,
>
> Thank you for your time.
>
> I am trying to understand how TRNSYS calculates power output from this 
> air-water heat pumps (Type941).
>
> I am stuck in a line which I don't know what the two terms are 
> standing for?
>
> ! Determine the dry air mass flow rate
>
> Flow_air = lps_air*3.6*rho_air_dry_in
>
> Could somebody let me know what are the *lps_air* and *rho_air_dry_in 
> *standing for?
>
> I hope I did not break TRNSYS source code rule by asking this question.
>
> Thank you for your help in advance.
>
> Zhe Li
>
>
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

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