N2 STORAGE TANK CAPACITY CALCULATION

DRY N2 GAS FLOW RATE F 30.00 NM^3/HR

N2 GAS PRESSURE MAX P1 KG/CM^2G
7.00
N2 GAS PRESSURE MIN P2 KG/CM^2G
5.50
N2 GAS TEMPERATURE Ta DEG C
40.000
REQUIRED N2 GAS STORAGE TIME PERIOD T MINUTE
60.00
N2 GAS FLOW RATE AT ADSORPTION TEMP F1=F(Ta+273)/273 M^3/HR
34.3956
STORAGE CAPACITY REQUIRED V=F1*T/60*(P1-P2) M^3
22.9304 74.0
STORAGE CAPACITY SELECTED V M^3
25.223 74
Di MM
DRY GAS RECEIVER DIA INNER 2350 3300
DRY GAS RECEIVER SEC AREA As=0.7854*(Di/1000)^2 M^2
4.3374 8.5530
ELLIPTICAL DISH END VOLUME Vd=0.1309*(Di/1000)^3 M^3
1.6988 4.7042
DRY GAS RECEIVER SHELL VOLUME REQUIRED TVs=V-Vd*2 21.826 64.592 M^3
DRY GAS RECEIVER SHELL HEIGHT REQUIRED TLHs=Vs/As METER
5.03 7.55

NOTE:
1. N2 outlet temp. will be varying apprx. 20 deg. C.
2. Selected air receiver capacity is 73.87 m3.
3. N2 storage tank shell length finally selected 12 m TL-TL
 N2 STORAGE TANK CAPACITY CALCULATION
DRY N2 GAS FLOW RATE F 762.00 NM^3/HR
N2 GAS PRESSURE MAX P1 KG/CM^2G
7.65
N2 GAS PRESSURE MIN P2 KG/CM^2G
5.61
N2 GAS TEMPERATURE Ta DEG C
20.000
REQUIRED N2 GAS STORAGE TIME PERIOD T MINUTE
10.00
N2 GAS FLOW RATE AT ADSORPTION TEMP F1=F(Ta+273)/273 M^3/HR
817.8242
STORAGE CAPACITY REQUIRED V=F1*T/60*(P1-P2) M^3
66.8157 74.0
STORAGE CAPACITY SELECTED V M^3
73.497 74
Di MM
DRY GAS RECEIVER DIA INNER 2700 3300
DRY GAS RECEIVER SEC AREA As=0.7854*(Di/1000)^2 M^2
5.7256 8.5530
ELLIPTICAL DISH END VOLUME Vd=0.1309*(Di/1000)^3 M^3
2.5765 4.7042
DRY GAS RECEIVER SHELL VOLUME REQUIRED TVs=V-Vd*2 68.344 64.592 M^3
DRY GAS RECEIVER SHELL HEIGHT REQUIRED TLHs=Vs/As METER
11.94 7.55

NOTE:
1. N2 outlet temp. will be varying apprx. 20 deg. C.
2. Selected air receiver capacity is 73.87 m3.
3. N2 storage tank shell length finally selected 12 m TL-TL
 WET AIR RECEIVER CAPACITY CALCULATION
WET AIR CONSUMPTION FLOW RATE SELECTED NM^3/HR
1600.00
AIR PRESSURE MAX P1 10.2 KG/CM^2G
AIR PRESSURE MIN P2 7.00 KG/CM^2G
AIR COOLER OUTLET TEMPERATURE Ta 15.0 DEG C
REQUIRED AIR STORAGE TIME PERIOD T 5.00 MINUTE
AIR CONSUMPTION FLOW RATE AT COOLER OUT F10=F9(Ta+273)/273 1687.9121 M^3/HR
STORAGE CAPACITY REQUIRED V=F10*T/60*(P1-P2) 43.9309 M^3
STORAGE CAPACITY SELECTED V M^3
48.324
Di MM
WET RECEIVER DIA INNER 2700
WET RECEIVER SEC AREA As=0.7854*(Di/1000)^2 M^2
5.7256
ELLIPTICAL DISH END VOLUME Vd=0.1309*(Di/1000)^3 2.5765 M^3
WET RECEIVER SHELL VOLUME REQUIRED TL-TLVs=V-Vd*2 M^3
43.171
WET RECEIVER SHELL LENGTH REQUIRED TL-TL Hs=Vs/As 7.540 METER

NOTE:
1. Air cooler outlet temp. will be varying 15-20 deg. C.
2. Selected air receiver capacity is 48.67 m3.
3. Wet air receiver shell length finally selected 7.6 m TL-TL