Psychrometric Processes Chart ASHRAE 2005 metrico(1)


Overview

Properties
Mixing
Heat Rec'ry
Htg Coil
Clg-Coil
Clg Coil-BP


Sheet 1: Properties




















































































Tdb1 75 °F
Tdb2 100 °F














Twb1 63 °F
Twb2 75 °F














Elevation 0 ft.


















AtmPress 14,70 psia


















APinHg 29,92 in Hg








































HRatio1 #VALUE! lbw/lba
HRatio2 #VALUE! lbw/lba















#VALUE! Grains

#VALUE! Grains














RelHum1 #VALUE! %
RelHum2 #VALUE! %














SpHt1 #VALUE! Btu/lb-°F
SpHt2 #VALUE! Btu/lb-°F














Enal1 #VALUE! Btu/lb
Enal2 #VALUE! Btu/lb














SpVol1 #VALUE! cu.ft./lb
SpVol2 #VALUE! cu.ft./lb














DewPt1 #VALUE! °F
DewPt2 #VALUE! °F














lbpCuFt #VALUE! lbw/ft3
lbpCuFt #VALUE! lbw/ft3






























































































































































































































































































































































































































































Sheet 2: Mixing



























Qair1 5000 cfm
Qair2 1000 cfm
QSair1 #VALUE! scfm
QSair2 #VALUE! scfm








Stream 1


Stream 2






mflow1 #VALUE! lb/hr
mflow2 #VALUE! lb/hr
















Stream 3 (mixed)






mflow3 #VALUE! lb/hr





Qair3 #VALUE! cfm





Tdb3 #VALUE! °F






HRatio3 #VALUE! lbw/lba





#VALUE! Grains




Twb3 #VALUE! °F




RelHum3 #VALUE! %




SpHt3 #VALUE! Btu/lb-°F





Enal3 #VALUE! Btu/lb





SpVol3 #VALUE! cu.ft./lb





DewPt3 #VALUE! °F














Sheet 3: Heat Rec'ry






HRU Effectiveness

Room Air







SenEff 75 %
TdbRm 75




LatEff 72 %
TwbRm 63 °F



Outdoor

Outdoor Air
°F

QairOut 2000 cfm
TdbOut 92


QSairOut #VALUE! scfm
TwbOut 74,4 °F
mflowOut #VALUE! lb/hr
Elev. 541 ft.

SupFankW 1,86 kW


HRU Outlet



ExFankW 1,47 kW
Capacities

Temps.
OALoads



Exhaust (not req'd) qTotalHru #VALUE! MBtu/h TdbHru #VALUE! °F #VALUE! MBtu/h

QairEx 2000 cfm qSenHru #VALUE! MBtu/h TwbHru #VALUE! °F #VALUE! MBtu/h

QSairEx #VALUE! scfm SHRHru #VALUE!








Room Air

Outdoor Air

HRU Outlet




HRatioRm #VALUE! lbw/lba HRatioOut #VALUE! lbw/lba HRatioHru #VALUE! lbw/lba



#VALUE! Grains
#VALUE! Grains
#VALUE! Grains

RelHumRm #VALUE! % RelHumOut #VALUE! % RelHumHru #VALUE! %
SpHtRm #VALUE! Btu/lb-°F SpHtOut #VALUE! Btu/lb-°F SpHtHru #VALUE! Btu/lb-°F
EnalRm #VALUE! Btu/lb EnalOut #VALUE! Btu/lb EnalHru #VALUE! Btu/lb



SpVolRm #VALUE! cu.ft./lb SpVolOut #VALUE! cu.ft./lb SpVolHru #VALUE! cu.ft./lb



DewPtRm #VALUE! °F DewPtOut #VALUE! °F DewPtHru #VALUE! °F





Sheet 4: Htg Coil

Inlet Conditions

Outlet Conditions

Outlet Conditions







Without Humidification

With Humidification*



QairHin 2000 cfm




TdbOutAir 20 °F


qFurn 75 MBtu/h




TwbOutAir 15 °F


QSairHin #VALUE! scfm




OAVentInfil 20 % of supply


mflowHin #VALUE! lb/hr
TdbHout #VALUE! °F
HRatioOA #VALUE! lbw/lba






TwbHout #VALUE! °F

#VALUE! Grains


TdbHin 68 °F




RelHumOA #VALUE! %


TwbHin 56 °F




SpHtOA #VALUE! Btu/lb-°F


ElevH 0 ft.
HRatioHout #VALUE! lbw/lba
EnalOA #VALUE! Btu/lb


APpsia 14,70 psia

#VALUE! Grains
SpVolOA #VALUE! cu.ft./lb


APHg 29,92 in Hg
RelHumHout #VALUE! %
DewPtOA #VALUE! °F






SpHtHout #VALUE! Btu/lb-°F










EnalHout #VALUE! Btu/lb
FluidType Sat Steam



HRatioHin #VALUE! lbw/lba
SpVolHout #VALUE! cu.ft./lb
FluidTemp 212 °F



#VALUE! Grains
DewPtHout #VALUE! °F
EnalFluid 1150 Btu/lb


RelHumHin #VALUE! %


mfluid #VALUE! lb/hr


SpHtHin #VALUE! Btu/lb-°F

qHumid #VALUE! MBtu/h


EnalHin #VALUE! Btu/lb

TdbHumOut #VALUE! °F


SpVolHin #VALUE! cu.ft./lb

qNet #VALUE! MBtu/h


DewPtHin #VALUE! °F




























































Sheet 5: Clg-Coil















Inlet Air Conditions

Fan Heat Neglected
Fan Heat Included




QairIn 4000 cfm



TotalPress 2 In. of Water



TC 120 MBtu/h



FanEff 65 %



SC 100 MBtu/h



MotorEff 82 %



QSairIn #VALUE! scfm



BHP #VALUE! hp



SHR 0,83




qFan #VALUE!




TdbIn 75 °F
mflowIn #VALUE! lb/hr qTotNet #VALUE! MBtu/h

TwbIn 63 °F
QairOut #VALUE! cfm qSenNet #VALUE! MBtu/h
ElevIn 0 ft.
QSairOut #VALUE! scfm SHRNet #VALUE!

AtmPressIn 14,70 psia








APinHgIn 29,92 in Hg
TdbOut #VALUE! °F TdbNet #VALUE! °F





TwbOut #VALUE! °F TwbNet #VALUE! °F

















HRatioIn #VALUE! lbw/lba
HRatioOut #VALUE! lbw/lba HRatioNet #VALUE! lbw/lba




#VALUE! Grains

#VALUE! Grains
#VALUE! Grains



RelHumIn #VALUE! %
RelHumOut #VALUE! % RelHumNet #VALUE! %



SpHtIn #VALUE! Btu/lb-°F
SpHtOut #VALUE! Btu/lb-°F SpHtNet #VALUE! Btu/lb-°F



EnalIn #VALUE! Btu/lb
EnalOut #VALUE! Btu/lb EnalNet #VALUE! Btu/lb



SpVolIn #VALUE! cu.ft./lb
SpVolOut #VALUE! cu.ft./lb SpVolNet #VALUE! cu.ft./lb



DewPtIn #VALUE! °F
DewPtOut #VALUE! °F DewPtNet #VALUE! °F





Sheet 6: Clg Coil-BP













By-Pass (BP) Factor









Method










QairRet 4000 cfm
mflowRet #VALUE! lb/hr
Tadp 47 °F
QairSup #VALUE! cfm
BPFactor 0,1

QAairSup #VALUE! scfm



QSairRet #VALUE! scfm









TdbSup 50,3 °F


TdbRet 79,8 °F
TwbSup #VALUE! °F

TwbRet 67,1 °F
HRatioadp #VALUE! lbw/lba

Elev 0 ft.






AtmPress 14,70 psia
qTotal #VALUE! MBtu/h
APinHg 29,92 in Hg
qSensible #VALUE! MBtu/h







SHRcoil #VALUE!










HRatioRet #VALUE! lbw/lba
HRatioSup #VALUE! lbw/lba

#VALUE! Grains

#VALUE! Grains
RelHumRet #VALUE! %
RelHumSup #VALUE! %
SpHtRet #VALUE! Btu/lb-°F
SpHtSup #VALUE! Btu/lb-°F
EnalRet #VALUE! Btu/lb
EnalSup #VALUE! Btu/lb
SpVolRet #VALUE! cu.ft./lb
SpVolSup #VALUE! cu.ft./lb
DewPtRet #VALUE! °F
DewPtSup #VALUE! °F

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