Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Ask Your Question

dahdo1m's profile - activity

2019-03-14 13:58:11 -0500 asked a question Single Stage Rooftop Unit with On/Off Fan?

Single Stage Rooftop Unit with On/Off Fan? Hi All, I'm trying to use OpenStudio to create a rooftop unit having a cycli

2019-02-12 09:01:51 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

Is there a physical/engineering explanation for this result?

2019-02-11 18:10:15 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

They matched after setting the minimum limit to 99

2019-02-07 12:29:31 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

Big Picture: in most cases, the cooling energy does drop while using economizers, which is the expected outcome from usi

2019-02-06 13:09:52 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I set the minimum limit to 55 F (12.778 C), heating consumptions retrieved from the summary tables are as follows (GJ):

2019-02-05 15:18:11 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I compared both files, the economizer type was the only difference between the two. Like I said before, I'm using only

2019-01-31 14:03:25 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I'm running the same file 5 times using (eppy), inputs other than economizer type are fixed. High economizer limits are

2019-01-31 13:20:09 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

Based on my understanding, heating consumption is going to differ from one timestep to the next based on the dynamic cha

2019-01-31 11:55:30 -0500 edited answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I have created the suggested plot. It shows the volumetric air flow on the x-axis and the heating coil energy consumptio

2019-01-31 11:54:56 -0500 commented answer Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I checked the supply air flow rate, it was exactly 0.982 m3/s for all economizer settings. I'll add the new plot to the

2019-01-30 18:35:58 -0500 received badge  Teacher (source)
2019-01-30 17:23:22 -0500 answered a question Packaged Rooftop with air economizer and gas heating (question about heating consumption)

I have created the suggested plot. It shows the volumetric air flow on the x-axis and the heating coil energy consumptio

2019-01-27 09:44:13 -0500 received badge  Student (source)
2019-01-24 15:01:39 -0500 asked a question Packaged Rooftop with air economizer and gas heating (question about heating consumption)

Packaged Rooftop with air economizer and gas heating (question about heating consumption) Hi all, I am solving a resear