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Dmitry's profile - activity

2015-10-11 09:14:45 -0500 commented answer Unbalanced ventilation systems in energy plus (design builder)

Hi Yixing, thank you for an answer and referring to ZoneMixing object.

2015-10-11 09:12:20 -0500 commented answer Do you normally include an air curtain in the energy model?

Thanks a lot Yixing. I agree that it is a safer way to include air curtain in the model. Thanks you very much again.

2015-10-04 08:41:46 -0500 received badge  Student (source)
2015-10-03 17:38:24 -0500 asked a question Unbalanced ventilation systems in energy plus (design builder)

Hi everyone, I am working with an energy model for LEED certification and since I am new to energy plus (I am using Design Builder), I was wondering what the best way to model unbalanced ventilation systems is. I have DOAS, which supplies more air than it exhausts; and exhaust only systems, some of which serve multiple zones. Overall, building's ventilation systems are balanced, so excessive supply air from some zones is to be extracted by exhaust only systems.

I have a doubt whether I should use airflow network model or I can try to indicate, that exhaust air in rooms with negative pressure is compensated with air with thermally neutral temperature. If the later approach is possible, how should I proceed with it?

Thank you, Dmitry

2015-10-03 17:38:24 -0500 asked a question Do you normally include an air curtain in the energy model?

Hi everyone, I have a daubt whether to include an air curtain in the energy model for LEED certification since it is presented in design documents. The air curtain is designed to work only occasionally (when loading docks are open), while main heating system has eneough capacity to maintain air temperature over heating setpoint.
Do you normally include an air curtain in the energy model? Thanks you, Dmitry

2015-10-03 17:38:24 -0500 asked a question 90.1 air curtain

Hi everyone, I have a daubt whether to include an air curtain in the energy model for LEED certification since it is presented in design documents. The air curtain is designed to work only occasionally (when loading docks are open), while main heating system has eneough capacity to maintain air temperature over heating setpoint.
Do you normally include an air curtain in the energy model? Thanks you, Dmitry