Program by W.G. ACKER and N.E. STRAND PLANT LOCATION SYSTEM DESCRIPTION SYSTEM IDENTIFICATION NUMBER 18 April 2011 1:51 PM ASHRAE CALCULATION ELEVATION ABOVE SEA LEVEL 0. FEET BAROMETRIC AIR PRESSURE 29.9210 Inches Hg. DUCTWORK OR GAGE PRESSURE 0.0000 Inches Hg TOTAL ABSOLUTE PRESSURE (32 F) 29.9210 Inches Hg. TOTAL ABSOLUTE PRESSURE 14.6958 Psia DRY BULB AIR TEMPERATURE 120.0000 F WET BULB TEMPERATURE 77.8749 F DEW POINT TEMPERATURE 57.2798 F ADIABATIC SATURATION TEMPERATURE 76.8750 F RELATIVE HUMIDITY 13.7211 % PERCENT SATURATION 12.3339 % ACTUAL AIR FLOW 50,000.0000 ACFM FAN ENGINEERING-STANDARD AIR FLOW 45,341.3873 SCFM CAGI COMPRESED AIR-STANDARD AIR FLOW 45,853.3695 CAGI SCFM DESICCANT INDUSTRY DSCFM (dry std. ft3/min) 44,892.4627 DSCFM HUMIDITY RATIO 0.010000 lbs w.v./lb da HUMIDITY RATIO GRAINS 70.0000 grns w.v./lb da SATURATION HUMIDITY RATIO (Ws) 0.081077 lbs w.v./lb da SATURATION HUMIDITY RATIO GRAINS (Ws) 567.5410 grns w.v./lb da SAT. HUMIDITY RATIO AT WET BULB TEMP. (Ws*) 0.020691 lb w.v./lb da SAT. HUMIDITY RATIO AT ADIAB. SAT. TEMP. (Ws) 0.019997 lbs w.v./lb da PARTIAL PRESS OF DRY AIR IN THE MIX (Pa) 29.447551 Inches Hg. PARTIAL PRESS OF WATER VAPOR IN THE MIX (Pw) 0.473449 Inches Hg. PARTIAL PRESS WATER VAPOR SAT. AT W.B. (Px) 0.932003 Inches Hg. PRESS: SAT. PURE WATER AT DRY BULB (Pws) 3.450520 Inches Hg. VAPOR PRESS: WATER IN MOIST AIR AT SAT. (Ps) 3.450520 Inches Hg. VAPOR PRESS AT ADIABATIC TEMPERATURE. 0.932003 Inches Hg MOLE FRACTION OF DRY AIR-IN THE MIX. (Xa) 0.984177 moles da/mole mix MOLE FRACTION OF WATER-IN THE MIX. (Xw) 0.015823 moles wtr/mole mix MOLE FRACTION OF WATER VAPOR AT SAT. (Xws) 0.115321 mol vap/mol sat mix GAS CONSTANT OF DRY AIR IN THE MIXTURE (Ra) 52.8238 GAS CONSTANT FOR WATER VAPOR (MIXTURE) (Rw) 0.8493 GAS CONSTANT MIXTURE (R = Ra + Rw) 53.6731 MOLECULAR WEIGHT OF DRY AIR IN THE MIX. 28.5062 lb mass/mole MOLECULAR WEIGHT OF THE WATER VAPOR (MIXTURE) 0.2851 lb mass/mole MOLECULAR WEIGHT OF THE MIX. 28.7912 lb mass/mole DENSITY OF THE AIR MIXTURE 0.068012 lb wa/ft3 wa AIR SPECIFIC VOLUME 14.8503 ft3 wa/lb da MASS FLOW OF DRY AIR 202,016.0901 lbs dry air/hr MASS FLOW OF WATER VAPOR 2,020.1609 lbs wtr vap/hr WATER VAPOR FLOW @ 100 F 4.0354 gpm COMBINED MASS FLOW OF DRY AIR & WATER VAPOR 204,036.2510 lbs wet air/hr ENTHALPY OF THE DRY AIR IN THE MIXTURE 28.7891 Btu/lb da ENTHALPY OF WATER VAPOR IN THE MIXTURE 11.1366 Btu/lb da TOTAL AIR MIXTURE ENTHALPY 39.9257 Btu/lb da ENTHALPY OF SATURATED OR SUPERHEATED STEAM (hg) 1,113.6591 Btu/lb SENSIBLE HEAT FLOW 5,815,869.90 Btu/hr LATENT HEAT FLOW 2,249,770.49 Btu/hr TOTAL HEAT FLOW 8,065,640.39 Btu/hr DRY AIR VOLUME FLOW (dry cubic feet / min) 49,208.8357 DCFM WATER VAPOR VOLUME FLOW 791.1643 CFM ACFM (cubic feet of wet air/min) 50,000.0000 ACFM