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

# Have you added a dish station to your quick-serve restaurant? If so, how did you specify the equipment? i.e. definitions and schedules?

The space will generate a lot of moisture and heat and I would like to account for that in my model. Any suggestions? The Water Use Equipment Definition is stumping me. I'm unsure how to estimate gal/min for unspecified equipment and, while I understand that the Sensible fraction schedule will pertain to the RH in the space, without a reliable guess on gal/min I don't trust my instincts on estimating.

edit retag close merge delete

Sort by ยป oldest newest most voted

EnergyPlus example file RefBldgQuickServiceRestaurantNew2004_Chicago.idf can be referenced as shown below.

  WaterUse:Equipment,
Kitchen Water Equipment, !- Name
,                        !- End-Use Subcategory
4.21e-005,               !- Peak Flow Rate {m3/s}
BLDG_SWH_SCH,            !- Flow Rate Fraction Schedule Name
Kitchen Water Equipment Temp Sched,  !- Target Temperature Schedule Name
Kitchen Water Equipment Hot Supply Temp Sched, !- Hot Water Supply Temperature Schedule Name
,                        !- Cold Water Supply Temperature Schedule Name
Kitchen,                 !- Zone Name
Kitchen Water Equipment Sensible fract sched,  !- Sensible Fraction Schedule Name
Kitchen Water Equipment Latent fract sched;  !- Latent Fraction Schedule Name

Schedule:Compact,
Kitchen Water Equipment Temp Sched,  !- Name
Temperature,             !- Schedule Type Limits Name
Through: 12/31,          !- Field 1
For: AllDays,            !- Field 2
Until: 24:00,49.0;       !- Field 3

Schedule:Compact,
Kitchen Water Equipment Sensible fract sched,  !- Name
Fraction,                !- Schedule Type Limits Name
Through: 12/31,          !- Field 1
For: AllDays,            !- Field 2
Until: 24:00,0.2;        !- Field 3

Schedule:Compact,
Kitchen Water Equipment Latent fract sched,  !- Name
Fraction,                !- Schedule Type Limits Name
Through: 12/31,          !- Field 1
For: AllDays,            !- Field 2
Until: 24:00,0.05;       !- Field 3

more

Is the peak flow rate dependent or independent of the space's square footage? It appears that it is independent, if that is the case would you tell me the square footage of the space you applied this to? It would give me one more reference to judge the flow rate of my space by. Thank you for your answer.

( 2017-10-16 07:00:52 -0500 )edit

Unit of peak flow rate input is $m^3/s$ so it is independent of kitchen square footage. The area of kitchen in reference file 116.17 $m^2$.

( 2017-10-16 22:34:54 -0500 )edit