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PerfCurves.idf
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!===============================================================================
! PerfCurves.idf
!
! Performance curves for variable speed DX cooling
! These curves are appropriate for small DX cooling units with variable speed compressors.
! These curves would be referenced by the EnergyPlus object COIL:DX:MultiSpeed:CoolingEmpirical.
! See the example input file 5ZoneAutoDXVAV for an example of their use.
! The objects and syntax in this dataset comply with EnergyPlus, Version 8.4.0 and above, unless otherwise noted.
! Version,
! 9.0; !- Version Identifier
Curve:Biquadratic,
VarSpeedCoolCapFT, !- Name
0.476428E+00, !- Coefficient1 Constant
0.401147E-01, !- Coefficient2 x
0.226411E-03, !- Coefficient3 x**2
-0.827136E-03, !- Coefficient4 y
-0.732240E-05, !- Coefficient5 y**2
-0.446278E-03, !- Coefficient6 x*y
12.77778, !- Minimum Value of x
23.88889, !- Maximum Value of x
23.88889, !- Minimum Value of y
46.11111; !- Maximum Value of y
Curve:Biquadratic,
VarSpeedCoolEIRFT, !- Name
0.632475E+00, !- Coefficient1 Constant
-0.121321E-01, !- Coefficient2 x
0.507773E-03, !- Coefficient3 x**2
0.155377E-01, !- Coefficient4 y
0.272840E-03, !- Coefficient5 y**2
-0.679201E-03, !- Coefficient6 x*y
12.77778, !- Minimum Value of x
23.88889, !- Maximum Value of x
23.88889, !- Minimum Value of y
46.11111; !- Maximum Value of y
Curve:Biquadratic,
VarSpeedCoolCapLSFT, !- Name
0.476428E+00, !- Coefficient1 Constant
0.401147E-01, !- Coefficient2 x
0.226411E-03, !- Coefficient3 x**2
-0.827136E-03, !- Coefficient4 y
-0.732240E-05, !- Coefficient5 y**2
-0.446278E-03, !- Coefficient6 x*y
12.77778, !- Minimum Value of x
23.88889, !- Maximum Value of x
23.88889, !- Minimum Value of y
46.11111; !- Maximum Value of y
Curve:Biquadratic,
VarSpeedCoolEIRLSFT, !- Name
0.774645E+00, !- Coefficient1 Constant
-0.343731E-01, !- Coefficient2 x
0.783173E-03, !- Coefficient3 x**2
0.146596E-01, !- Coefficient4 y
0.488851E-03, !- Coefficient5 y**2
-0.752036E-03, !- Coefficient6 x*y
12.77778, !- Minimum Value of x
23.88889, !- Maximum Value of x
23.88889, !- Minimum Value of y
46.11111; !- Maximum Value of y
Curve:Cubic,
PackagedRatedCoolCapFFlow, !- Name
0.47278589, !- Coefficient1 Constant
1.2433415, !- Coefficient2 x
-1.0387055, !- Coefficient3 x**2
0.32257813, !- Coefficient4 x**3
0.5, !- Minimum Value of x
1.5; !- Maximum Value of x
Curve:Cubic,
PackagedRatedCoolEIRFFlow, !- Name
1.0079484, !- Coefficient1 Constant
0.34544129, !- Coefficient2 x
-.6922891, !- Coefficient3 x**2
0.33889943, !- Coefficient4 x**3
0.5, !- Minimum Value of x
1.5; !- Maximum Value of x
Curve:Quadratic,
VarSpeedCyclingPLFFPLR, !- Name
0.75, !- Coefficient1 Constant
0.25, !- Coefficient2 x
0.0, !- Coefficient3 x**2
0.0, !- Minimum Value of x
1.0; !- Maximum Value of x
! Performance Curves for Variable Speed Cooling Tower Model Coefficients
!*** YorkCalc Model Coefficients ***:
! Model coefficients for user defined variable-speed cooling towers
CoolingTowerPerformance:YorkCalc,
YorkCalc Default Tower Model, !- Name
-34.4, !- Minimum Inlet Air Wet-Bulb Temperature {C}
26.6667, !- Maximum Inlet Air Wet-Bulb Temperature {C}
1.1111, !- Minimum Range Temperature {deltaC}
22.2222, !- Maximum Range Temperature {deltaC}
1.1111, !- Minimum Approach Temperature {deltaC}
40.0, !- Maximum Approach Temperature {deltaC}
0.75, !- Minimum Water Flow Rate Ratio
1.25, !- Maximum Water Flow Rate Ratio
8.0, !- Maximum Liquid to Gas Ratio
-0.359741205, !- Coefficient 1
-0.055053608, !- Coefficient 2
0.0023850432, !- Coefficient 3
0.173926877, !- Coefficient 4
-0.0248473764, !- Coefficient 5
0.00048430224, !- Coefficient 6
-0.005589849456, !- Coefficient 7
0.0005770079712, !- Coefficient 8
-0.00001342427256, !- Coefficient 9
2.84765801111111, !- Coefficient 10
-0.121765149, !- Coefficient 11
0.0014599242, !- Coefficient 12
1.680428651, !- Coefficient 13
-0.0166920786, !- Coefficient 14
-0.0007190532, !- Coefficient 15
-0.025485194448, !- Coefficient 16
0.0000487491696, !- Coefficient 17
0.00002719234152, !- Coefficient 18
-0.0653766255555556, !- Coefficient 19
-0.002278167, !- Coefficient 20
0.0002500254, !- Coefficient 21
-0.0910565458, !- Coefficient 22
0.00318176316, !- Coefficient 23
0.000038621772, !- Coefficient 24
-0.0034285382352, !- Coefficient 25
0.00000856589904, !- Coefficient 26
-0.000001516821552; !- Coefficient 27
!*** CoolTools Model Coefficients ***:
CoolingTowerPerformance:CoolTools,
CoolTools CrossFlow Default Tower Model, !- Name
-1.0, !- Minimum Inlet Air Wet-Bulb Temperature {C}
26.6667, !- Maximum Inlet Air Wet-Bulb Temperature {C}
1.1111, !- Minimum Range Temperature {deltaC}
11.1111, !- Maximum Range Temperature {deltaC}
1.1111, !- Minimum Approach Temperature {deltaC}
11.1111, !- Maximum Approach Temperature {deltaC}
0.75, !- Minimum Water Flow Rate Ratio
1.25, !- Maximum Water Flow Rate Ratio
0.52049709836241, !- Coefficient 1
-10.617046395344, !- Coefficient 2
10.7292974722538, !- Coefficient 3
-2.74988377158227, !- Coefficient 4
4.73629943913743, !- Coefficient 5
-8.25759700874711, !- Coefficient 6
1.57640938114136, !- Coefficient 7
6.51119643791324, !- Coefficient 8
1.50433525206692, !- Coefficient 9
-3.2888529287801, !- Coefficient 10
0.0257786145353773, !- Coefficient 11
0.182464289315254, !- Coefficient 12
-0.0818947291400898, !- Coefficient 13
-0.215010003996285, !- Coefficient 14
0.0186741309635284, !- Coefficient 15
0.0536824177590012, !- Coefficient 16
-0.00270968955115031, !- Coefficient 17
0.00112277498589279, !- Coefficient 18
-0.00127758497497718, !- Coefficient 19
0.0000760420796601607, !- Coefficient 20
1.43600088336017, !- Coefficient 21
-0.5198695909109, !- Coefficient 22
0.117339576910507, !- Coefficient 23
1.50492810819924, !- Coefficient 24
-0.135898905926974, !- Coefficient 25
-0.152577581866506, !- Coefficient 26
-0.0533843828114562, !- Coefficient 27
0.00493294869565511, !- Coefficient 28
-0.00796260394174197, !- Coefficient 29
0.000222619828621544, !- Coefficient 30
-0.0543952001568055, !- Coefficient 31
0.00474266879161693, !- Coefficient 32
-0.0185854671815598, !- Coefficient 33
0.00115667701293848, !- Coefficient 34
0.000807370664460284; !- Coefficient 35
! Performance Curves for Balanced Flow Desiccant Heat Exchangers
!*** Performance Data Type 1 ***:
! Model coefficients generated based on results from a finite difference desiccant dehumidifier
! model for a rotary desiccant heat exchanger with a 50/50 face area split between
! regeneration and process air streams. The wheel is 102 mm (4 inch) deep wheel with a rotational
! speed of 12 revolutions per hour. The desiccant performance is based on a Brunauer Type 3
! isotherm shape with a maximum uptake of 30% and a separate factor of 4.5.
!
! Reference:
! Kosar, D. et al. 2007. National Center for Energy Management and
! Building Technologies. Task 6: Integrating Advanced Humidity Control to
! Reduce Energy Use. Final Report NCEMBT-070621. Alexandria, VA: National
! Center For Energy Management And Building Technologies.
!
! Model coefficients and applicable operating range are meant to represent a desiccant heat exchanger
! transferring latent and sensible heat between the air entering and leaving a cooling coil to improve
! the dehumidification performance of the system (ref. Coil:DX:CoolingHeatExchangerAssisted object).
!
HeatExchanger:Desiccant:BalancedFlow:PerformanceDataType1,
HXDesPerf1, !- Name
1.32, !- Nominal Air Flow Rate {m3/s}
2.54, !- Nominal Air Face Velocity {m/s}
50.0, !- Nominal Electricity Rate {W}
-7.18302E+00, !- Temperature Equation Coefficient 1
-1.84967E+02, !- Temperature Equation Coefficient 2
1.00051E+00, !- Temperature Equation Coefficient 3
1.16033E+04, !- Temperature Equation Coefficient 4
-5.07550E+01, !- Temperature Equation Coefficient 5
-1.68467E-02, !- Temperature Equation Coefficient 6
5.82213E+01, !- Temperature Equation Coefficient 7
5.98863E-01, !- Temperature Equation Coefficient 8
0.007143, !- Minimum Regeneration Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
0.024286, !- Maximum Regeneration Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
17.83333, !- Minimum Regeneration Inlet Air Temperature for Temperature Equation {C}
48.88889, !- Maximum Regeneration Inlet Air Temperature for Temperature Equation {C}
0.005000, !- Minimum Process Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
0.015714, !- Maximum Process Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
4.583333, !- Minimum Process Inlet Air Temperature for Temperature Equation {C}
21.83333, !- Maximum Process Inlet Air Temperature for Temperature Equation {C}
2.286, !- Minimum Regeneration Air Velocity for Temperature Equation {m/s}
4.826, !- Maximum Regeneration Air Velocity for Temperature Equation {m/s}
16.66667, !- Minimum Regeneration Outlet Air Temperature for Temperature Equation {C}
46.11111, !- Maximum Regeneration Outlet Air Temperature for Temperature Equation {C}
10.0, !- Minimum Regeneration Inlet Air Relative Humidity for Temperature Equation {percent}
100.0, !- Maximum Regeneration Inlet Air Relative Humidity for Temperature Equation {percent}
80.0, !- Minimum Process Inlet Air Relative Humidity for Temperature Equation {percent}
100.0, !- Maximum Process Inlet Air Relative Humidity for Temperature Equation {percent}
3.13878E-03, !- Humidity Ratio Equation Coefficient 1
1.09689E+00, !- Humidity Ratio Equation Coefficient 2
-2.63341E-05, !- Humidity Ratio Equation Coefficient 3
-6.33885E+00, !- Humidity Ratio Equation Coefficient 4
9.38196E-03, !- Humidity Ratio Equation Coefficient 5
5.21186E-05, !- Humidity Ratio Equation Coefficient 6
6.70354E-02, !- Humidity Ratio Equation Coefficient 7
-1.60823E-04, !- Humidity Ratio Equation Coefficient 8
0.007143, !- Minimum Regeneration Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.024286, !- Maximum Regeneration Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
17.83333, !- Minimum Regeneration Inlet Air Temperature for Humidity Ratio Equation {C}
48.88889, !- Maximum Regeneration Inlet Air Temperature for Humidity Ratio Equation {C}
0.005000, !- Minimum Process Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.015714, !- Maximum Process Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
4.583333, !- Minimum Process Inlet Air Temperature for Humidity Ratio Equation {C}
21.83333, !- Maximum Process Inlet Air Temperature for Humidity Ratio Equation {C}
2.286, !- Minimum Regeneration Air Velocity for Humidity Ratio Equation {m/s}
4.826, !- Maximum Regeneration Air Velocity for Humidity Ratio Equation {m/s}
0.007811, !- Minimum Regeneration Outlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.026707, !- Maximum Regeneration Outlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
10.0, !- Minimum Regeneration Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
100.0, !- Maximum Regeneration Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
80.0, !- Minimum Process Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
100.0; !- Maximum Process Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
! Model coefficients generated based on results from a finite difference desiccant dehumidifier
! model for a rotary desiccant heat exchanger with a 50/50 face area split between
! regeneration and process air streams. The wheel is 102 mm (4 inch) deep wheel with a rotational
! speed of 8 revolutions per hour. The desiccant performance is based on a Brunauer Type 3
! isotherm shape with a maximum uptake of 30% and a separate factor of 4.5. The model is valid for
! a regeneration air inlet temperature of 46.111111C (115F).
!
! Reference:
! Kosar, D. et al. 2007. National Center for Energy Management and
! Building Technologies Task 6: Integrating Advanced Humidity Control to
! Reduce Energy Use. Final Report NCEMBT-070621. Alexandria, VA: National
! Center For Energy Management And Building Technologies.
!
! Model coefficients and applicable operating range are meant to represent a desiccant heat exchanger
! located downstream of a cooling coil with desiccant regeneration by a separate airstream
! at 46.111C (115F) (ref. Desiccant Dehumidifier object with companion cooling coil).
!
HeatExchanger:Desiccant:BalancedFlow:PerformanceDataType1,
HXDesPerf2, !- Name
1.32, !- Nominal Air Flow Rate {m3/s}
4.064, !- Nominal Air Face Velocity {m/s}
50.0, !- Nominal Electricity Rate {W}
-2.53636E+00, !- Temperature Equation Coefficient 1
2.13247E+01, !- Temperature Equation Coefficient 2
9.23308E-01, !- Temperature Equation Coefficient 3
9.43276E+02, !- Temperature Equation Coefficient 4
-5.92367E+01, !- Temperature Equation Coefficient 5
-4.27465E-02, !- Temperature Equation Coefficient 6
1.12204E+02, !- Temperature Equation Coefficient 7
7.78252E-01, !- Temperature Equation Coefficient 8
0.007143, !- Minimum Regeneration Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
0.024286, !- Maximum Regeneration Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
46.111110, !- Minimum Regeneration Inlet Air Temperature for Temperature Equation {C}
46.111112, !- Maximum Regeneration Inlet Air Temperature for Temperature Equation {C}
0.005000, !- Minimum Process Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
0.015714, !- Maximum Process Inlet Air Humidity Ratio for Temperature Equation {kgWater/kgDryAir}
4.583333, !- Minimum Process Inlet Air Temperature for Temperature Equation {C}
21.83333, !- Maximum Process Inlet Air Temperature for Temperature Equation {C}
2.286, !- Minimum Regeneration Air Velocity for Temperature Equation {m/s}
4.826, !- Maximum Regeneration Air Velocity for Temperature Equation {m/s}
35.0, !- Minimum Regeneration Outlet Air Temperature for Temperature Equation {C}
50.0, !- Maximum Regeneration Outlet Air Temperature for Temperature Equation {C}
5.0, !- Minimum Regeneration Inlet Air Relative Humidity for Temperature Equation {percent}
45.0, !- Maximum Regeneration Inlet Air Relative Humidity for Temperature Equation {percent}
80.0, !- Minimum Process Inlet Air Relative Humidity for Temperature Equation {percent}
100.0, !- Maximum Process Inlet Air Relative Humidity for Temperature Equation {percent}
-2.25547E+01, !- Humidity Ratio Equation Coefficient 1
9.76839E-01, !- Humidity Ratio Equation Coefficient 2
4.89176E-01, !- Humidity Ratio Equation Coefficient 3
-6.30019E-02, !- Humidity Ratio Equation Coefficient 4
1.20773E-02, !- Humidity Ratio Equation Coefficient 5
5.17134E-05, !- Humidity Ratio Equation Coefficient 6
4.94917E-02, !- Humidity Ratio Equation Coefficient 7
-2.59417E-04, !- Humidity Ratio Equation Coefficient 8
0.007143, !- Minimum Regeneration Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.024286, !- Maximum Regeneration Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
46.111110, !- Minimum Regeneration Inlet Air Temperature for Humidity Ratio Equation {C}
46.111112, !- Maximum Regeneration Inlet Air Temperature for Humidity Ratio Equation {C}
0.005000, !- Minimum Process Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.015714, !- Maximum Process Inlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
4.583333, !- Minimum Process Inlet Air Temperature for Humidity Ratio Equation {C}
21.83333, !- Maximum Process Inlet Air Temperature for Humidity Ratio Equation {C}
2.286, !- Minimum Regeneration Air Velocity for Humidity Ratio Equation {m/s}
4.826, !- Maximum Regeneration Air Velocity for Humidity Ratio Equation {m/s}
0.007914, !- Minimum Regeneration Outlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
0.026279, !- Maximum Regeneration Outlet Air Humidity Ratio for Humidity Ratio Equation {kgWater/kgDryAir}
5.0, !- Minimum Regeneration Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
45.0, !- Maximum Regeneration Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
80.0, !- Minimum Process Inlet Air Relative Humidity for Humidity Ratio Equation {percent}
100.0; !- Maximum Process Inlet Air Relative Humidity for Humidity Ratio Equation {percent}