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[EnergyPlus_Support] Re: how to size component and plant
Hi,
Thank you for your reply.My problem is I can only get data of zone sizing,the datas of equipment and plant can be displayed in csv file.Can you tell me the reason?
regards
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
> Equipment is autosized by specifying the word "autosize" for specific
> inputs in various equipment objects. See example file 5ZoneWaterSystems.
>
> For example, in 5ZoneWaterSystems.idf the maximum flow rate in the hot
> water plant can be autosized. The use of autosizing requires sizing
> objects to specify design intent.
>
> PlantLoop,
> Hot Water Loop, !- Name
> Water, !- Fluid Type
> Hot Loop Operation, !- Plant Equipment Operation Scheme Name
> HW Supply Outlet Node, !- Loop Temperature Setpoint Node Name
> 100, !- Maximum Loop Temperature {C}
> 10, !- Minimum Loop Temperature {C}
> autosize, !- Maximum Loop Flow Rate {m3/s}
>
> Sizing:Plant,
> SHWSys1, !- Plant or Condenser Loop Name
> HEATING, !- Loop Type
> 56, !- Design Loop Exit Temperature {C}
> 5.0; !- Loop Design Temperature Difference {deltaC}
>
> Equipment connected to the plant can also be autosized in a similar
> manner and require zone and system sizing objects. It is usually better
> to autosize all equipment in a simulation instead of manually sizing
> some equipment and autosizing other equipment.
>
> AirLoopHVAC,
> VAV Sys 1, !- Name
> VAV Sys 1 Controllers, !- Controller List Name
> VAV Sys 1 Avail List, !- Availability Manager List Name
> autosize, !- Design Supply Air Flow Rate {m3/s}
>
> Coil:Heating:Water,
> SPACE1-1 Zone Coil, !- Name
> ReheatCoilAvailSched, !- Availability Schedule Name
> autosize, !- U-Factor Times Area Value {W/K}
> autosize, !- Maximum Water Flow Rate {m3/s}
> SPACE1-1 Zone Coil Water In Node, !- Water Inlet Node Name
> SPACE1-1 Zone Coil Water Out Node, !- Water Outlet Node Name
> SPACE1-1 Zone Coil Air In Node, !- Air Inlet Node Name
> SPACE1-1 In Node, !- Air Outlet Node Name
> UFactorTimesAreaAndDesignWaterFlowRate, !- Performance Input Method
> autosize, !- Nominal Capacity {W}
>
> AirTerminal:SingleDuct:VAV:Reheat,
> SPACE1-1 VAV Reheat, !- Name
> ReheatCoilAvailSched, !- Availability Schedule Name
> SPACE1-1 Zone Coil Air In Node, !- Damper Air Outlet Node Name
> SPACE1-1 ATU In Node, !- Air Inlet Node Name
> autosize, !- Maximum Air Flow Rate {m3/s}
> Constant, !- Zone Minimum Air Flow Input Method
> 0.3, !- Constant Minimum Air Flow Fraction
> , !- Minimum Air Flow Fraction Schedule Name
> SPACE1-1 Zone Coil Water In Node, !- Hot Water or Steam Inlet Node Name
> Coil:Heating:Water, !- Reheat Coil Object Type
> SPACE1-1 Zone Coil, !- Reheat Coil Name
> autosize, !- Maximum Hot Water or Pump:VariableSpeed,
> HW Circ Pump, !- Name
> HW Supply Inlet Node, !- Inlet Node Name
> HW Pump Outlet Node, !- Outlet Node Name
> autosize, !- Rated Flow Rate {m3/s}
> 179352, !- Rated Pump Head {Pa}
> autosize, !- Rated Power Consumption {W}
>
> Sizing:System,
> VAV Sys 1, !- AirLoop Name
> sensible, !- Type of Load to Size On
> autosize, !- Design Outdoor Air Flow Rate {m3/s}
> 0.3, !- Minimum System Air Flow Ratio
> 7.0, !- Preheat Design Temperature {C}
> .008, !- Preheat Design Humidity Ratio
> {kg-H2O/kg-Air}
> 11.0, !- Precool Design Temperature {C}
> .008, !- Precool Design Humidity Ratio
> {kg-H2O/kg-Air}
> 12.8, !- Central Cooling Design Supply Air
> Temperature {C}
> 16.7, !- Central Heating Design Supply Air
> Temperature {C}
> noncoincident, !- Sizing Option
> no, !- 100% Outdoor Air in Cooling
> no, !- 100% Outdoor Air in Heating
> 0.008, !- Central Cooling Design Supply Air
> Humidity Ratio {kg-H2O/kg-Air}
> 0.008, !- Central Heating Design Supply Air
> Humidity Ratio {kg-H2O/kg-Air}
> DesignDay, !- Cooling Design Air Flow Method
> 0, !- Cooling Design Air Flow Rate {m3/s}
> DesignDay, !- Heating Design Air Flow Method
> 0; !- Heating Design Air Flow Rate {m3/s}
>
> Sizing:Zone,
> SPACE5-1, !- Zone Name
> 14., !- Zone Cooling Design Supply Air
> Temperature {C}
> 50., !- Zone Heating Design Supply Air
> Temperature {C}
> 0.009, !- Zone Cooling Design Supply Air Humidity
> Ratio {kg-H2O/kg-air}
> 0.004, !- Zone Heating Design Supply Air Humidity
> Ratio {kg-H2O/kg-air}
> flow/person, !- Outdoor Air Method
> 0.00944, !- Outdoor Air Flow per Person {m3/s}
> 0.0, !- Outdoor Air Flow per Zone Floor Area
> {m3/s-m2}
> 0.0, !- Outdoor Air Flow per Zone {m3/s}
> 0.0, !- Zone Sizing Factor
> DesignDay, !- Cooling Design Air Flow Method
> 0, !- Cooling Design Air Flow Rate {m3/s}
> , !- Cooling Minimum Air Flow per Zone Floor
> Area {m3/s-m2}
> , !- Cooling Minimum Air Flow {m3/s}
> , !- Cooling Minimum Air Flow Fraction
> DesignDay, !- Heating Design Air Flow Method
> 0, !- Heating Design Air Flow Rate {m3/s}
> , !- Heating Maximum Air Flow per Zone Floor
> Area {m3/s-m2}
> , !- Heating Maximum Air Flow {m3/s}
> ; !- Heating Maximum Air Flow Fraction
>
> The Simulation Control object must also be configured to run the sizing
> procedures.
>
> SimulationControl,
> Yes, !- Do Zone Sizing Calculation
> Yes, !- Do System Sizing Calculation
> Yes, !- Do Plant Sizing Calculation
> Yes, !- Run Simulation for Sizing Periods
> No; !- Run Simulation for Weather File Run Periods
>
>
> yangchen19851226 wrote:
> >
> >
> > Hi,all
> > In my simulation,I only get some datas fo zone,such as Des Sens Cool
> > Cap Des Heat Mass Flow [kg/s] of zone and system,how can i use these
> > datas to autosize component and plant?
> >
> > regards
> >
> >
>
> --
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL 32922-5703
> Phone: (321) 638-1454
> Fax: (321) 638-1439 or 1010
> Visit our web site at: http://www.fsec.ucf.edu
>
> UCF - From Promise to Prominence: Celebrating 40 Years
>
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