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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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