JPH0199792U

JPH0199792U -

Info

Publication number: JPH0199792U
Application number: JP19693487U
Authority: JP
Priority date: 1987-12-25
Filing date: 1987-12-25
Publication date: 1989-07-04

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す斜視図、第２
図は第１図の―に沿つた縦断面図、第３図は
第１図の上部構造前面上端からの風の流れの剥離
状態を示す側面図、第４図は第１図の一変形例を
示す同じく斜視図、第５図は第４図の―に沿
つた縦断面図、第６図は第４図の模型比較試験に
おける正面抗力係数を示す線図である。第７図は
公知の船舶上部構造を示す斜視図、第８，９図は
それぞれ公知の各種船舶の上部構造の正面抗力係
数を示す線図である。１，１ａ…上層上部構造、２，２ａ…下層上部
構造、３…ドツジヤー、４，４ａ…上部構造、５
…煙突、６…境界層。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a longitudinal sectional view taken along - in Figure 1, Figure 3 is a side view showing separation of the wind flow from the upper end of the front surface of the superstructure in Figure 1, and Figure 4 is a modification of Figure 1. FIG. 5 is a longitudinal sectional view taken along the line - in FIG. 4, and FIG. 6 is a diagram showing the frontal drag coefficient in the model comparison test of FIG. 4. FIG. 7 is a perspective view showing a known superstructure of a ship, and FIGS. 8 and 9 are diagrams showing frontal drag coefficients of the superstructure of various known ships. 1, 1a... Upper layer upper structure, 2, 2a... Lower layer upper structure, 3... Dodger, 4, 4a... Upper layer structure, 5
...Chimney, 6...Boundary layer.

Claims

[Scope of utility model registration request]

A ship characterized by comprising an upper superstructure disposed on a lower superstructure, a front surface of which extends slightly forward of the lower superstructure, and an upper and lower part of the front surface of which are chamfered, respectively. superstructure.