38. 當箱形雜貨船長 100 m,寬 20 m,吃水 5 m 平浮於海水面上,今在該船舯
向前 20 m 且龍骨向上 4 m 處,加裝 1,200 噸貨物,已知加裝貨物前 KG 為 7
m,試求該船貨載後的艏吃水(m)為何?
(A) 4.307
(B) 5.307
(C) 6.307
(D) 7.307
答案:登入後查看
統計: A(11), B(72), C(162), D(18), E(0) #1328891
統計: A(11), B(72), C(162), D(18), E(0) #1328891
詳解 (共 3 筆)
#3919512
TPC = WPA*海水密度/100 = 100*20*1.025/100 = 20.5 (噸/公分)
吃水變化量 = 1200/20.5 = 58.536...(公分)= 0.585 (公尺)
KB=5/2=2.5m
總排水量= 100*20*1.025=10250(噸)
BML = L2 / 12d = 1002/(12*5) = 166.67m
KML = 2.5+166.67 = 169.17m
GML= 169.17 - 7 = 162.17m
MCTC = 10250*162.17/(100*100) = 166.22 (噸/公分)
ΔTrim = 1200*20/166.22 = 144.38....(公分) = 1.443 (公尺)
ΔF = 5 + 1.443* (50/100)+ 0.585 = 6.3065
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