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DESCRIPTION
heat exchanger mini projectTRANSCRIPT
SET 1
CWHW
Nominal Flow :m3/hr
:USGPM610
Actual Flow :m3/hrFC: 1.364 m3/hrFH: 2.273 m3/hr
: USGPM : 6 USGPM : 10 USGPM
Read F1 (C)Read F1 (H)
Temperature, C/ F , InletT3:T1 : 34.1CT11:t1 : 65.4C
Temperature, C/ F , OutletT14:T2: 53.4CT12:t2 : 53.6C
Pressure,psig , InletPG-C : 5PG-H : 2
Pressure Drop ,mmH2ODP(Shell): 444DP(Tube): 448
CALCULATE FOLLOWING
Temperature, C/ FT2-T1: 34.74Ft2-t1:21.24F
Average Temperature, C/ FT2+T1: 110.75Ft2+t1: 139.1F
22
Q, Head Load, Btu/ HrQC : 103446.4181QH : 104691.8282
Computer Ratio, QC / QHQC : 0.988
QH
SET 2
CWHW
Nominal Flow :m3/hr
:USGPM1010
Actual Flow :m3/hrFC: 2.273 m3/hrFH: 2.273 m3/hr
: USGPM : 10 USGPM : 10 USGPM
Read F1 (C)Read F1 (H)
Temperature, C/ F , InletT3:T1 : 38CT11:t1 : 65.6
Temperature, C/ F , OutletT14:T2: 50.8T12:t2 : 52.6
Pressure,psig , InletPG-C : 7PG-H : 2
Pressure Drop ,mmH2ODP(Shell): 755DP(Tube): 462
CALCULATE FOLLOWING
Temperature, C/ FT2-T1:23.04Ft2-t1: 23.4F
Average Temperature, C/ FT2+T1: 111.92Ft2+t1: 138.38F
22
Q, Head Load, Btu/ HrQC : 114315.13QH : 115374.55
Computer Ratio, QC / QHQC : 0.991
QH
SET 3
CWHW
Nominal Flow :m3/hr
:USGPM1015
Actual Flow :m3/hrFC: 2.273 m3/hrFH: 3.41 m3/hr
: USGPM : 10 USGPM : 15 USGPM
Read F1 (C)Read F1 (H)
Temperature, C/ F , InletT3:T1 : 39.4CT11:t1 : 66.4C
Temperature, C/ F , OutletT14:T2: 53.8CT12:t2 : 56.2C
Pressure,psig , InletPG-C : 8PG-H : 6
Pressure Drop ,mmH2ODP(Shell): 746DP(Tube): 927
CALCULATE FOLLOWING
Temperature, C/ FT2-T1: 25.92Ft2-t1: 18.36F
Average Temperature, C/ FT2+T1: 115.88Ft2+t1: 142.34F
22
Q, Head Load, Btu/ HrQC : 128386.2947QH : 135638.4965
Computer Ratio, QC / QHQC : 0.947
QH
SET 4
CWHW
Nominal Flow :m3/hr
:USGPM1020
Actual Flow :m3/hrFC: 2.273 m3/hrFH: 4.546 m3/hr
: USGPM : 10 USGPM : 20 USGPM
Read F1 (C)Read F1 (H)
Temperature, C/ F , InletT3:T1 : 41.0T11:t1 : 67.2
Temperature, C/ F , OutletT14:T2: 55.7T12:t2 : 58.6
Pressure,psig , InletPG-C : 8PG-H : 11
Pressure Drop ,mmH2ODP(Shell): 738DP(Tube): 1625
CALCULATE FOLLOWING
Temperature, C/ FT2-T1: 26.46Ft2-t1: 15.48F
Average Temperature, C/ FT2+T1: 119.03Ft2+t1: 145.22F
22
Q, Head Load, Btu/ HrQC : 131068.9569QH : 152400.9797
Computer Ratio, QC / QHQC : 0.86
QH
SET 1SET 2SET 3SET 4
QH(btu/hr)104691.8282115374.55135638.4965152400.9797
QC(btu/hr)103446.4181114315.13128385.2947131058.9569
Q average(btu/hr)104069.1232114844.84132012.3956141734.9683
TM (Parallel Flow)(F)11.0917.0118.311.21
TM (Counter Current Flow)(F)27.5525.7126.2525.77
U (Parallel Flow)(btu/hr.ft.F)296.31213.19227.78399.23
U (Counter Current Flow)(btu/hr.ft.F)119.28141.05158.8173.67
QC/QH0.9880.9910.9470.86