[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[EnergyPlus_Support] About the zone air relative humidity for a zone with windoow air conditioner
Hi,
I tried to simutate a bedroom equipped with a window-type air
conditioner in HK during nighttime in Augest. The outdoor air
relative humidity remains high at over 70% for most of the time in
HK.
The running period of the window AC was set from 11:00 pm to 7:00 am
every day. In the "Ventilation" field, the volume flow rate was set
at 1 Air change rate during AC running period and 12 air change rate
during AC off period respectively (the purpose of setting 12 air
change rate during AC off period was try to make the point of zone
air close to outdoor air as soon as possible). The running period
was set from Aug 1st to Aug 31th.
The simulated results showed that zone air relative humidity
remained relative low (around 45-58%) after the first day of
simulation (i.e., from Aug 2nd to 31th), particular in the period
when the AC was not running. This was not true with the actual
situation and may cause some error in the "Ventilation-Heat gain" as
well as the thermal comfort caculation.
I have tried to change the "solution algorithm" from CTF to MTF, but
did not work.
Is there any solution for this problem?
I was told that the MTF model could be used only in a limited time
in the MESSAGE 1592, how long is it? And does this phenomenon
related to the DXCoil model itself, which was mentioned in the
MESSAGE 1249?
Thanks.
Zhongping
------------------------ Yahoo! Groups Sponsor ---------------------~-->
Looking for the latest Free IT White Papers?
Visit SearchMobileComputing.com to access over 500 white papers.
Get instant access at SearchMobileComputing.com Today
http://us.click.yahoo.com/ZyjvfD/PLNGAA/uitMAA/dkFolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, send an email to:
EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are not allowed -- please post any files to the appropriate folder in the Files are of the Support Web Site.
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/