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RE: [EnergyPlus_Support] The list of active, passive component in loop
Hi Charlie,
As described in Flow resolver section, the components are divided into Active, Passive and Bypass in order to accomplish the flow distribution. Now the selection of the components into either category depends on what type of the system you are having. Active components are those that can control the flow or in other terms have a say in the flow distribution. Components like Chillers, heatpumps etc are generally active. Now if we have two chillers in series and one of the chillers have not power to affect the flow in the branch, that chiller would be a passive. Pipes, that are not bypass are all defined as passive components since they just take what ever flow is set by other components. Bypass is a component that has no component in it (except a pipe), which is used to have the excess flow. when you have a bypass in both demand and supply side it can be approximated as a common pipe. Sp the decision on what is active and passive finally depends on the system configuration and
control.
Hope this helps.
Sankar
S.K.Padhmanabhan
Research Associate
Mechanical & Aerospace Engineering
Oklahoma State University,
Stillwater, OK - 74075
Ph: (405)744-1038
-----Original Message-----
From: EnergyPlus_Support@xxxxxxxxxxxxxxx on behalf of energypluser
Sent: Thu 7/21/2005 10:07 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] The list of active, passive component in loop
Dear all
when I study the flow resolver section in EngineeringDoc, I find that
the componts are categorized into three items: ative, passive and
bypass.
My quesiton is what kind of component in E+ is specified into active
category? I mean the name of the component, such as coil or chiller.
Could you please give me a list?
Thank you in advance.
charlie
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