On the characteristics of the wind effect on ship loaded with Lauan Wood on deck

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Ori the Characteristics of the Wind Effect on

Ship loaded with Lauan Wood on Deck.

by

Iwakichi TANAKA, Hatsuzo TANT,

Akira IWAT

& Yasutake NISHIYAMA.

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Reprinted from JOURNAL OF THE TOKYO UNIVERSITY OF

MERCANTILE MARINE (NATURAL SCIECES) No. 11 (1960)

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On the Characteristics of the Wind Effect on

Ship loaded with Lauan Wood on Deck.

by

Iwakichi TANAKA, Hatsuzo TANI, Akira IWAI

& Yasutake NISHIYAMA.

Abstract

The authors have investigated on the effect of wind pressure as an element of

exter-nal forces affecting on the transverse stability of ship loaded with Lauan Wood on

deck.

From our results of wind-tunnel with water tank experiments, the increasing of the

heeling moment due to wind pressure have been described as follows;

Cn=CMo+m(-)3

where

Cn=the heeling moment coefficient due to wind on ship with deck loading

Cro=the heeling moment coefficient due to wind on ship without deck loading

H=the mean height of spaces of deck loading B=the breadth of ship

rn=coefficient, depending on the ratio of mean height of lateral areas above the waterline to ship length.

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