[Equest-users] Fire Place

[Nick Caton]

William,

 

Your options are gas, electric, hot-water, and process.  Here's the
definition of process in the help files:

 

The load will not contribute a utility load. Examples of this type of
load are gasoline-powered fork trucks, oxyacetelyne welders, wood
stoves, and bottled gas equipment. Sum all the process loads in the
space and express the total with the keyword SOURCE-POWER. The portion
of the total process load that enters as a heating or cooling load is
specified with the SOURCE-LATENT and SOURCE-SENSIBLE keywords.

 

So a wood fireplace would be a process load ;).

 

~Nick

 

 

NICK CATON, E.I.T.

PROJECT ENGINEER

25501 west valley parkway

olathe ks 66061

direct 913 344.0036

fax 913 345.0617

Check out our new web-site @ www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of William
Lopez
Sent: Wednesday, May 26, 2010 7:51 AM
To: Jon Bruneau; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Fire Place

 

Nick,Jon,

It is a wood fireplace, the procedure described below is well detailed,
I just have a doubt on the line 6, what  would be the source type
required by the spreadsheet?

Thanks for your  time 

It is greatly appreciated

 

 

William

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Jon
Bruneau
Sent: Tuesday, May 25, 2010 4:39 PM
To: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Fire Place

 

Is this a wood fireplace?  If so heat output will vary based on the type
of wood, moisture content, and amount of fuel in the fire box.  You'll
also need to figure out where combustion air is coming from - the space
or ducted from the outside.

 

Jon

 

 

 

Jon Bruneau, PE, LEED AP BD+C

Mechanical Engineer

F7 Engineering Group

400 10th Street NE, Suite B, Charlottesville, VA 22902

ph. 434.244.0023

fax 434.977.0023

www.F7engineers.com <http://www.f7engineers.com/> 

 

 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Nick
Caton
Sent: Tuesday, May 25, 2010 4:23 PM
To: William Lopez; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Fire Place

 

Hey William,

 

1.       Pull a cutsheet on the fireplace in question to get the input
btu and heating btu incident on the space at full output.  If it's not a
commercial gas/electric fireplace with a cutsheet, engineering-judgement
the sucker based on something roughly equivalent.

2.       Define a schedule for the fireplace that matches your
definition of  "consistently used during cold weather."  Consider a
fractional schedule if it's not simply ON/OFF.

3.       In detailed mode:  Internal loads tab

4.       Spreadsheet view, select "Internal Energy Sources"

5.       Find the space with the fireplace

6.       Define a new load starting with your custom schedule.  Fill the
fields in as appropriate - pretty self-explanatory at this point.
Sensible ratio would be your BTU incident on the space over the gross
consumption.

7.       Carry around a smug grin coz' now you're the smartest energy
modeler in the room!

 

Rock on,

 

~Nick

 

 



 

NICK CATON, E.I.T.

PROJECT ENGINEER

25501 west valley parkway

olathe ks 66061

direct 913 344.0036

fax 913 345.0617

Check out our new web-site @ www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of William
Lopez
Sent: Tuesday, May 25, 2010 2:48 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Fire Place

 

Hi everyone,

I am modeling a cabin log that is heated by electric baseboards and a
fireplace that is consistently used during cold weather.  

How can I integrate the fireplace load to the model, what would be the
approach?

 

Thanks for the help.

 

 

William G. Lopez,   CEM

Energy Engineer

 

Buffalo Energy, Inc.

716-677-4899 P

716-677-4722 F

william at buffalo-energy.com

 

 

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