Challenger Center Cooling Tower Enev/Ench 435 September 23, 2008 Performed By: Dianah Dugan Alex Saputa

Contents Block Diagram Schematic Equipment Data Collection Results Conclusion

Block Diagram of Cooling Tower Air Inlet Air Outlet ThqPHThqPH TPTP CT unit

Cooling Tower Schematic Outside Intake Inside Intake Exhaust

Schematic of Exhaust Fan 0.22 ft 0.72 ft 1.22 ft *Distances measured from center of fan

Equipment Anemometer Yard Stick Ladder Sling Psychrometer Psychrometric Chart

Radial Dependence of Temperature

Radial dep vs temp expt 1

Average Velocity Per Cross- Section

Average Cross-Sectional Air Flow

Average Volumetric Flow

Volumetric Flow How to solve for with formulas and trapezoidal rule Don’t forget results from expt 1

Volumetric Flow (cu. ft/min) results

Dry Bulb Air Intake Temperature Intake Temp ( ° F) InsideOutside Fan# Fan# Fan# Fan# Average

Humidity Tell about relative humidity (data taken) Absolute humidity being same in and out RH from psychrometric chart enthalpy

Mass Flow Rate *check density at exit temp Radial Section (in) Cross-Sectional Area (ft²) Density (lbm/ft³) Avg Velocity (ft/min) Mass Flow Rate (lbm/min) Mf = (density)*(area)*(velocity)

Heat Generated

Compressor Run Times Date AB 8/20/200 8Starts1915 Running hours /21/200 8Starts1917 Running hours /22/200 8Starts1919 Running hours /25/200 8Starts1923 Running hours

Block Diagram With values that have been solved for

Conclusions Temperature is highest at the center of the fan and lowest surrounding the edges Velocity is the least in the center of the exhaust

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