[Equest-users] Modelling Non AC building in eQUEST

[Chris Baker via Equest-users]

Not sure how much help I would be but I did find this online tool that looked useful.

http://comfort.cbe.berkeley.edu/

And here’s another downloadable calculator for cool roofs/passive ventilation (Wow).

http://thermalcomfort.co.in/resources/calculators
Exploring cool-roof and passive ventilation techniques to achieve thermal comfort.

If you were working on this as part of a larger LEED cert, like LEED NC, you would usually end up having to model cooling systems in both models serving all conditioned zones whether or not your design incorporates a cooling system of any kind (because ASHRAE 90.1 Appendix G would dictate how to proceed in that case).

I’m sure others here would have more useful info for your specific case though.

Good luck with the model!

Chris Baker
CCI Alliance of Companies
Fort Wainwright, AK

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Kirti Pabrekar - Patil via Equest-users
Sent: Tuesday, February 14, 2017 4:35 AM
To: equest-users-request at lists.onebuilding.org; equest-users at lists.onebuilding.org
Subject: [Equest-users] Modelling Non AC building in eQUEST

Dear eQuesters,

I have the following doubt.

1. This is a hostel building. all the rooms are non ac except the wardens cabin and the counselling room. These two rooms have split units.

2. I have to model this for thermal comfort compliance - so i need to show that there are less unmet hours in the building.

How do I go about this?

What i thought was as under,

1. I made the entire model and assigned the ac and non ac spaces as per design.
2. I plan to put a system in the non ac rooms, such that the CFM generated due to ceiling fans can be put as Fan Flow Parametres. A 12 hour fan schedule (as per the evening + night time occupancy hours) can be assigned to this. Other than this there will be no input parameter assigned to this system - no COP, no efficiency. Other than this these rooms have to behave as non ac spaces.

Now my questions,
1. Do you think this is logical way to do?
2. Is there any other way to go about this?
3. If what i have described in point 2 is okay, while i assigning systems what should it be? Like Sum or FNSYS or VAVS etc? Please let me know the specifics

Please give me an insight into this ya.

Regards
Kirti

Kirti Pabrekar - Patil
M. Arch, LEED GA,
IGBC AP, GRIHA Trainer & Evaluator,





Green is a commitment...not a competition

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