berthing energy 12000 teu (emma maersk e-class)
DESCRIPTION
Berthing energy CalculationsTRANSCRIPT
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CALCULATION OF BERTHING ENERGY FOR VIZHINJAM PORT (12,000 TEU SHIP)
Characteristics of the Design Ships Unit Reference Link (Taken from Trelleborg Fender Design Manual) Dead Weight Tonnage (DWT) tonnes 157000
tonnes 208000Length Overall (LOA) m 397.0Beam (B) m 57Loaded Draft (D) m 15.5Length Between Perpendiculars (L) m 376.0
m 0.1Berthing Pocket Depth m 17.6Under Keel Clearance m 2.1
Choose Site Condition - Berthing Condition from the following menu:
`Berthing Velocity m/s 0.1
Angle of Approach degrees 6
kNm 960Factor of Safety 1.5
Berthing Energy After Applying Factor of Safety kNm 1440
where Reference Link
1.54 Hydrodynamic Mass Coefficient
0.66 Eccentricity Coefficient
0.9 Softness Factor
1.0 Berth Configuration Coefficient
85.00 Radius of Gyration of the Ship
0.61 Block Coefficient. Block Coefficient Used 0.61
Berthing Eccentricity m 28.5 Offset of the berthing point from the centre line of the ship
Distance of berthing point from C/l of berth m 94 Quarter point berthing
R m 74.52 Distance of Point of Contact From Centre of Mass.v degrees 61.52 Angle between Velocity Vector and line joing centre of mass with contact point
Ship Dimensions Tables'!A1
Displacement Tonnage (MD) Ship Dimensions Tables'!A1
Berthing Velocity (VB) Approach Velocity '!A1
Berthing Modes'!A1
Berthing Energy = 0.5CMMD(VB)2CECSCC Berthing Energy Formula'!A1
Berthing Energy Formula'!A25
CM Cm!A1
CE = (K2 + R2COS2v) / (K2 + R2) Ce!A1
CS Cs!A1
CC Cs!A1
K = (0.19 Cb + 0.11) L Ce!A60
Cb = MD / (L * B * D * 1.025) Cb Value'!A1
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BS Code
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BS Code
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