[Equest-users] Zones with different roof height on same floor

[Daric Adair]

John’s suggestion is valid & is straightforward. I believe with zones in adjacent shells they will need to modified from ‘adiabatic’ interior walls to having proper adjacencies for internal heat transfer. But it works.

Another approach would be to place all zones in a single shell at the lower/predominate roof height. Ensure that the zone boarder aligns with the higher roof area. Blue lines in 1st attachment. Then in detailed mode the roof can be raised to the higher/proper height. This will stretch the interior walls up though, so those will need to be set back down to their original height (reduce their ‘HEIGHT’,  so they stay the height of the blue lines). The new exterior walls can be created, assigned to the proper ‘LOCATION’  will put them in the right plan location (second image, highlighting). Then increase the ‘Z’ value to the lower roof height and decrease their ‘Height’ to be just the bump up height. Red lines in 1st attachment.

This will allow a single shell, keep adjacent heat transfer, and allow addition of these bump up walls.


Thanks,
DARIC R ADAIR PE, CEM, BEMP
Mechanical Engineer, Energy Analyst

Henderson Engineers
daric.adair at hendersonengineers.com<mailto:daric.adair at hendersonengineers.com>

Licensed in KS

From: John Aulbach <jra_sac at yahoo.com>
Sent: Monday, July 30, 2018 3:16 PM
To: equest-users at lists.onebuilding.org; equest user <equestuser00 at gmail.com>
Subject: Re: [Equest-users] Zones with different roof height on same floor

A quickie from me. Make each zone a different shell. Then, I believe, you can do your different roof heights. Detail Edit Mode is best. Sorry i do not have time to create an example.

John R. Aulbach, PE

On Monday, July 30, 2018, 3:43:05 AM PDT, equest user via Equest-users <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>> wrote:


Hi all Modelers,

This time I have come across a single floor building which has zones with different height. I have attached a roughly drawn elevation as an example (Which is not needed :/) . Can any1 guide me how to model such case as equest allows you to take same height for single floor.

Thanks,
Tejas
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