[EnergyPlus_Support] EarthTube

["y" <fly_bird@xxxxxxxxxxxxxxx>]

Dear Sir or Madamï¼?
  I have a question when I used EnergyPlus: EarthTube model. As I
know, the EarthTubeFlowRate calculation equation is 
E*F*(A+B*(delta T)+C(Windspeed)+D(Windspeed^2)), 
where F depends on the setting in Schedule. I simulated one case of
one year (8760 hrs) with Earthtube model and set some values that are
equal zero in the Schedule by using Schedule:File:Comma. When I check
the output file, I thought the output of EarthTube-Volume should be
zero when the values in the schedule (F=0) are set to be zero.
Although the equation tells us F=0, then FlowRate=0, but the output
results didn't show that way. It becomes that F values are equal to
zero and the EarthTube-Volume has certain values, which are not
necessarily equal to zero. I am very confused about this setting. 

I would appreciate some comments on this setting that causes
difference from what we expected and why it shows this kind of
outputs. Thank you.




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