Pressure Vessel Design (Faiz Zelin).xls

138464031.xls.ms_office

Pressure Vessel Calculations - Instrument & Control Air Vessel Cylindrical Shells ASME Section VIII, UG-27, page 24 07-Apr-13 P

R C ts L E S S - nozzle

10 bar 12 bar 146.92 psi

1,013,250 Thin 40,184,458 1,215,900test pressure design max. allowable working pressure

42 0.12 0.4 20 0.85 20000 20000

shell inner radius corrosion allowance shell thickness Length joint efficiency max allowable stress, but taking as design stress

in in in ft psi psi

Circumferential Stress (Longitudinal Joints)

t

w/o C.A. 0.3649

P

161

160.6

Longitudinal Stress (Circumferential Joints)

t P

w/o C.A. 0.1812 325.1

Shell/Rein. Material A-515-70 Nozzle Material A-106/53-B Stress Chk. 21,654 psi Safe

146.92 psi 176.30 psi

psi REINFORCEMENT CHECK FOR NOZZLE AND MANHOLE Nozzle/Manhole dia. 24.00 in 21.3 mm t Nozzle innner dia. 22.75 in tn Nozzle - thickness - tn 0.625 in 3.73 mm tr Wall thickness reqd. trn Shell tr 0.365 in te nozzle trn 0.099 in C Area of Reinforcement Required tweld A Area of Reinforcement Available

w/ C.A. (basic eq.) 0.3660 0.1543 UG-27, eq 1

A1

2 -0.154 in

-1.9315 -0.1537

A-nozzle

A2

0.737 in

2

0.7367 1.6443

A41

in w/o C in in in in 0 mm in in 0 mm

2.276

2

0.078 in

2 0.661 in

A-available

0.280 0.625 0.365 0.099 0.000 0.120 0.000

2 8.301 in

A-shell

A-weld

w/ C.A. (basic eq.) 0.1817 0.3085 UG-27, eq 2 324.2

References UG-37, pg-47 App. L, pg-541

R-Plate required

Applicable only when R-plate is required Ellipsoidal Head h K t eh

10.825 in. 2.842 1.0326

P

57

t

1.0175

one-half of the length of minor axis

Parallel Limit

34.00 in

Vertical Limit

34.000 in

thickness of R-plate - te

factor

Dp (in) (1-4c) eq 1, pg 310

weld t w/ shell weld t w/ nozzle

A2

2 0.737 in

0.600

A41

2 0.000 in

68

A42

0.000 in

0.000 in 0.000 in A-provided R-plate NOT required

A5

2

2 26.400 in

2 26.983 in

(1-4c) eq 2 pg 311 all dim. in "mm" and "lbs" except where specified

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