[TRNSYS-users] AIR in trnsys15 type 56

[Arie Kalkman]

Hi Xavier,

Your solution seems allright to me.
The air that leaves a room does not change the temperature of that room 
(although, intuitively, it 'feels' like a heat loss)
It's the air that enters a room that changes its temperature. So, from a 
temperature point of view, you do not have to balance airflows, you just 
have to make sure that all airflows entering a zone of interest are 
accounted for in the model, and that they have the right temperature.

kind regards,

Arie
-----Oorspronkelijk bericht-----
Van:	Xavier Dequaire [SMTP:xavdeq at futurich.com]
Verzonden:	vrijdag 14 oktober 2005 11:43
Aan:	TRNSYS-users at engr.wisc.edu
Onderwerp:	[TRNSYS-users] AIR in trnsys15 type 56

Hi, dear all
I try to get summer air flows in my model.

Its is a quite simple air flow
Zone 2 is a sunspace functionning as a solar chimney

out -A->zone 1-B->zone 2-C->out

I have calculated those flows with a program called Aiolos

Does trnsys uses only positive incoming airs?
So I input
Air flow A as ventilation into zone 1 with ambient temperature
Air flow B as coupling air flow through adjacent wall into zone 2

and I do not care of the outgoing flows

Am I right?

It sounds strange not to do anything with the hot air in the sunspace, or
does trnsys balance it
(I have done a few other things before, and I know now they are wrong...)

as a very simplyfied input i could use the same data for flow A and B

thank you

Xavier



Xavier D.
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