Once the inlet air is mixed with return air, it is just mixed air in the air loop. The inlet OA is a fraction of the total air fed to the zones.
The zone sizing is only a guide to add the OA amount. The OA controller has the control of the air inlet amount. The OA controller is an item you add in for simulation. The inlet OA actuator may not normally be found in a real building.
It is only those who wanted 100% OA supply to the zones worry about this.
In a hospital, the oxygen and clean fresh air supply are piped to each bed location.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: vinay.devanathan@xxxxxxxxx
Date: Sat, 23 Jul 2011 23:33:32 -0400
Subject: [EnergyPlus_Support] OA to zone calculation
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
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 currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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The zone sizing is only a guide to add the OA amount. The OA controller has the control of the air inlet amount. The OA controller is an item you add in for simulation. The inlet OA actuator may not normally be found in a real building.
It is only those who wanted 100% OA supply to the zones worry about this.
In a hospital, the oxygen and clean fresh air supply are piped to each bed location.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: vinay.devanathan@xxxxxxxxx
Date: Sat, 23 Jul 2011 23:33:32 -0400
Subject: [EnergyPlus_Support] OA to zone calculation
Hello,
I have been wondering about this question for a while now.
Let's say the system's OA requirements are defined by using a
Controller:OutdoorAir object. So this is the amount of minimum/maximum
OA that system brings in. But if there is no zone sizing done (all air-
side parameters hardwired), how does EnergyPlus calculate the
distribution of OA supply to different zones the system is serving?
Thank you.
Vinay
I have been wondering about this question for a while now.
Let's say the system's OA requirements are defined by using a
Controller:OutdoorAir object. So this is the amount of minimum/maximum
OA that system brings in. But if there is no zone sizing done (all air-
side parameters hardwired), how does EnergyPlus calculate the
distribution of OA supply to different zones the system is serving?
Thank you.
Vinay
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
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 currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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