M. Farid Taufik Al H. 04211740000050 Principal Dimension L
= 111,5 m
B
= 19,27 m
T
= 7,71 m
H
= 9,06 m
Cb
= 0,580
Vs
= 18 Knot
Ship Type
= Containership
RUDDER AREA According to De Norske Veritas : 𝑇 .𝐿 𝐵 2 𝐴= {1 + 25 ( ) } 100 𝐿 7,71 . 111.75 19.27 2 𝐴= {1 + 25 ( ) } 100 111.75 𝐴 = 8,615{1 + 25(0,1724)2 } 𝐴 = 8,615{1 + 0,743044} A = 15.0163 m2 According to BKI Vol. II Rules for Hull 2014. 14-2/21 𝐴 = 𝑐1. 𝑐2. 𝑐3. 𝑐4. 𝐴 = 1.1.1.1.
1,75. 𝐿. 𝑇 100
1,75.111.75.7,71 100
A = 15,077 m2 RUDDER FORCE According to BKI Vol. II Rules for Hull 1996. P4-1 Cr = 39.A.Vo2.k1.k2.k3 3 𝑃 𝑉𝑜 = 11 √ (𝐿. 𝐵. 𝑇. 𝐶. 𝑏)2/3
3 9600 𝑉𝑜 = 11 √ (9629)2/3
𝑽𝒐 = 𝟑𝟎, 𝟒𝟒𝟗 𝑲𝒎/𝒉 Cr = 39.A.Vo2.k1.k2.k3 Cr = 39. 15,077.( 30,449)2.2,42.1,1.1 Cr = 1451221kN TORQUE MOMENT Qr = CR.r r = c(a-kb) r = 2(0,33-0,08) r = 0,5 Qr = CR.r Qr = 1451221.0,5 Qr = 725610 Nm2 RUDDER-STOCK DIAMETER 3
𝑄𝑟
Dt = 4,2√ 𝑘𝑟 mm 3 725610 Dt = 4,2 √ 1
Dt = 337,4131 mm DAYA POROS KEMUDI 𝑁𝑛 =
𝑄𝑟. 2. 𝑎. ∏ 𝑡. 180.75
𝑁𝑛 =
725610. 2.35.3,14 28.180.75
Nn = 421,928 DAYA MOTOR PENGGERAK KEMUDI 𝑁𝑚 =
𝑁𝑛 𝑁𝑠𝑔
𝑁𝑚 =
421,928 0,3
Nm = 1406,429