FAN PERFORMANCE DATA SHEET Page 1 Monday 29 March 2004 10:13am Fan Type: Centrifugal Fan Blade type: Backward Inclined Fan Drive Arrangement: Arrangement 1 SWSI Designation for Rotation and Discharge: Clockwisev Top Horizontal Fan Class: Class 1 Fan Wheel Diameter 40.000 Inches Barometric Pressure 29.9210 Inches Hg Barometer Pressure, Inches of Water 406.90 Inches WC Fan Inlet Temperature 70.00 F Fan Inlet Relative Humidity 30 % Fan Inlet Humidity Ratio 33.3130 gr.wv/lb da Molecular Weight of AIR 28.8838 lbm/mole Fan Inlet Density 0.072653 lbs/ft3 Ratio of Specific Heat for AIR 1.40 Fan Inlet AIR Flow ACFM 43,000.0000 ACFM Fan Inlet AIR Standard Flow, SCFM 41,654.5152 SCFM Fan AIR Mass Flow 187,445.3257 lbs/hr Fan Inlet Velocity 5,473.94 ft/min Fan Discharge Velocity 5,866.09 ft/min Fan Inlet Static Pressure -12.81 Inches WC Fan Inlet Velocity Pressure 1.81 Inches WC Fan Inlet Total Pressure -11.00 Inches WC Fan Inlet Total Absolute Pressure 395.90 Inches WC Fan Discharge Static Pressure 2.08 Inches WC Fan Discharge Velocity Pressure 2.15 Inches WC Fan Discharge Total Pressure 4.23 Inches WC Fan Discharge Total Absolute Pressure 411.13 Inches WC Ratio TPdisch abs/TPinlet Abs 1.0385 Fan Discharge Temperature 72.11 F Fan Discharge Density 0.075148 lbs/ft3 Fan Differential Static Pressure 13.08 Inches WC delta SP = discharge SP - inlet SP - inlet VP delta SP = delta TP - discharge VP Fan Differential Total Pressure 15.23 Inches WC Delta TP = discharge TP - inlet TP (discharge SP + discharge VP) - (inlet SP + inlet VP) Fan Speed 1,800. rpm Fan Sheave Pitch Diameter NA Motor Sheave Pitch Diameter NA Fan Static Efficiency 62.76 % Fan Total Efficiency 73.08 % Fan Total Air Horsepower 101.85 Air HP Fan Compressibilty Factor 0.9885 FAN PERFORMANCE DATA SHEET Page 2 Monday 29 March 2004 10:13am Motor Horsepower 150 HP Motor Speed 1,800. rpm Power Input to the Impeller 139.38 HP Motor Brake Horsepower 142.22 Brake HP Motor Efficiency 95.80 % Full Load Shaft Torque @ Motor bhp 414.97 ft-lbs 4,979.70 in-lbs Fan Wheel and Shaft Weight 100.00 lbs Fan Radius of Gyration 24.00 Inches Fan Moment of Inertia, WR2 400.00 lbs-sqft WR2 = (Weight of Wheel & Shaft lbs) x (Radius of Gyration)^2 Motor Minimum Required Moment of Inertia Factor 1.05 Motor Minimum Required Moment of Inertia 420.00 lbs-sqft a. Belt Drive Fans WR2 Motor > WR2 Fan x (Fan Speed / Motor Speed)^2 x Factor b. Direct Drive Fans WR2 Motor > WR2 Fan x Factor Acceleration Time 2.00 Secs Fan Static Efficiency 62.76 % Variable Frequency Drive Control Cab. Efficiency 93.00 % Drive Coupling Efficiency 98.00 % Total Fan Electrical Consumption 119.08 Kw Annual Operating Hours 8,400 hrs/year Annual Electricity Consumption 1,000,272. Kwh/year Electricity Unit Cost $ 0.080 Cost/kwh Annual Fan Electrical Operating Cost $ 80,021.76 /year Fan First critical Speed 2,520.00 rpm Fan Differential TP @ Standard Condiditions 15.72 Inches Fan Specific Speed 47,411.30 rpm Fan Specific Diameter 0.3852 Inches Fan Energy Analysis Data Sheet Page 3 Variable Frequency Drive Fan Monday 29 March 2004 10:13am KW Btu/hour HP Electricity Into VFD 119.08 406,323.58 NA VFD Control Cabinet Loss 8.34 28,442.65 NA Electricity Into Motor 110.74 377,880.93 NA Motor Inefficiency Energy Loss 4.65 15,871.00 NA Energy Into Motor Drive Shaft 106.09 362,009.93 142.22 Drive System Loss 2.12 7,240.20 2.84 Energy Input Into Impeller Drive Shaft 103.97 354,769.74 139.38 Fan Total Inefficiency 27.99 95,504.01 37.52 Useful Energy Input to Gas System 75.98 259,265.73 101.85 Total Losses 43.10 147,057.86 Annual Electrical Consumption & Costs Associated With the Fan System Energy Losses Annual Elect. Consump. Annual Oper. Cost VFD Cabinet Loss 70,056.00 kwh/year $ 5,604.48 Motor Inefficiency 39,060.00 kwh/year $ 3,124.80 Drive System Loss 17,808.00 kwh/year $ 1,424.64 Fan Inefficiency 235,116.00 kwh/year $ 18,809.28 Total Losses 362,040.00 kwh/year $ 28,963.20 Air Conditioning Cost Related To The Fan Heat Generated From The Electricity Consumption Air conditioner Electricity Consumption 1.30 kw/ton Air Cond. - Annual Operating Hours 500 hours/year Air Cond. Season - Electricity Unit Cost 0.080/kwh Btu/year Ton-hr/year kwh/year cost/year VFD Control Cabinet Loss 14,221,325 1,185.11 1,540.64 123.25 Motor Inefficiency 7,935,500 661.29 859.68 68.77 Drive System Loss 3,620,099 301.67 392.18 31.37 Fan Inefficiency 47,752,003 3,979.33 5,173.13 413.85 Energy Into Gas Stream 129,632,865 10,802.74 14,043.56 1,123.48 Total 203,161,792 16,930.15 22,009.19 1,760.74