《船舶静力学》课程设计哈工大

《船舶静力学》

课程设计一、目的：1、提高绘制“静水力曲线”、“邦戎曲线”、“稳性横截曲线”、“静、动稳性曲线”的技能；2、掌握“船舶各种装载状况下稳性校核计算”的原理、方法和步骤；3、熟悉《船舶与海上设施法定检验规则》（2004）第四篇“船舶安全”中“完整稳性”的有关规定和方法。二、内容1、“沿海多用途运输船”静水力曲线、邦戎曲线、稳性横截曲线的绘制；2、“沿海多用途运输船”各种装载状况下稳性校核计算。三、步骤（一）静水力曲线、邦戎曲线、稳性横截曲线的绘制

1、备用图纸资料型线图

2、内容及要求每人绘制一张静水力曲线图、邦戎曲线和稳

性横截曲线图；静水力曲线、邦戎曲线图用A3幅面绘制；稳性横截曲线图用A4幅面绘制。3、注意事项

静水力曲线图：（1）曲线布置均匀，比例选择适当；（2）横坐标为等份间距，单位为厘米；以船中为坐标原点；船型系数另起坐标；（3）曲线要细、光顺。

邦戎曲线图：（1）曲线布置均匀，比例选择适当；（2）曲线要细、光顺。

稳性横截曲线图：曲线要细、光顺。

（二）各种装载情况下稳性校核计算

1、备用图纸资料（1）总布置图（2）静水力曲线图（3）舱柜容积曲线图

（4）船舶排水量及重心位置计算书（5）稳性横截曲线图2、内容及要求

内容：（1）船舶排水量及重心位置计算（2）船舶纵倾及初稳性计算（3）受风面积、风压倾斜力臂计算（4）横摇周期、横摇角计算（5）进水角曲线（6）自由液面对复原力臂曲线修正计算（7）静稳性及动稳性计算（8）静稳性曲线及动稳性曲线（9）稳性衡准数计算（10）稳性汇总表要求：

四个装载状态：

满载出港：d=3.25

m，Δ=870.51t

ZG=3.092m，XG=1.410m

满载到港：d=3.09m，Δ=819.18tZG=3.176m，XG=1.434m

空载出港：d=2.37m，Δ=590.00tZG=3.360m，XG=1.181m

空载到港：d=2.20m，Δ=538.67tZG=3.514m，XG=1.196m

每人完成一个装载状态的计算资料，每一组完成一套计算资料。3、步骤

（1）船舶排水量及重心位置计算首先计算空船排水量及重心位置；然后计算各种装载状态下的排水量及重心位置。

（2）船舶排水量及重心位置计算根据船舶排水量及重心位置的计算结果，计算各种装载状态下的船舶纵倾值及初稳性值。

（3）受风面积、风压倾侧力臂计算

①受风面积、面积矩、面积中心距水线高Z计算：

“空载到港”状态受风面积、面积矩、受风面积中心距水线高Z计算：

“空载到港”状态的数据给出如下：吃水d=2.20m；Af=286.18；

Z=3.27m

其他装载状态受风面积、面积矩、受风面积中心距水线高Z按“空载到港”状态的进行修正计算。

②风压倾斜力臂计算

=（m）单位计算风压

p查表。绘制风压倾斜力臂曲线=f（Δ），用A4幅面绘制（每人绘一张）。（4）横摇周期、横摇角计算

Tθ=0.58f

（S）

θ1=15.28C1C2

（°）

本船舭龙骨总面积

Ab

=8.16

Ab/（L×B）%=1.9%

（5）进水角曲线

进水口位置：救生甲板上舷侧门槛上缘，位于#19肋位；

进水口坐标：

y=3.50mZ=6.98m

门槛高：0.38m

进水角曲线计算及绘制：

绘制进水口位置的示意图，由进水口量至不同吃水旋转点的连线的倾角，据稳性横截曲线电算结果，取出相应吃水、倾角、排水量的数值，然后插值计算进水角与对应的排水量，由此绘制进水角曲线:

θj=f（Δ）曲线。

进水角曲线用A4幅面绘制（每人绘一张）。(6)自由液面对复原力臂曲线修正计算

自由液面对复原力臂曲线修正按《国际海事组织》推荐的公式计算：

δGZ=

（m）

Mfi=Vbρk

（KN.m）

详细计算请参照《规则》。

本船需要考虑自由液面对复原力臂曲线修正的液舱有：

淡水舱（左、右）：

V=14.50，

l=7.20m，b=2.20mh=0.90m，ρ=9.81kN/，

δ=1.00，b/h=2.44

燃油舱（左、右）：

V=17.20，

l=2.40m，b=2.20mh=4.40m，ρ=0.84×9.81kN/δ=0.94，b/h=0.64

供应淡水舱（左、右）：V=105.0，

l=12.00m，b=2.30mh=4.40m，ρ=9.81kN/，

δ=0.86，b/h=0.52（7）静稳性及动稳性计算

由稳性横截曲线，查得每一排水量下各倾角的假定重心高度Zs=0的静稳性臂；计算实际重心下的静稳性臂

及动稳性臂

。（8）绘制静稳性曲线及动稳性曲线

由实际重心下的静稳性臂及动稳性臂，绘制静稳性曲线及动稳性曲线。静稳性曲线及动稳性曲线用A4幅面绘制（每人绘一张）。在动稳性曲线上,作图确定最小倾覆力臂。（9）稳性衡准数计算

k=（10）稳性汇总表将以上计算结果填入稳性汇总表，得出稳性衡准结果。祝大家心情愉快、课设顺利！BASICDATA

〈沿海多用途货船〉

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