浮遊現象とedge effectとの関連性について
1959 年 75 巻 847 号 p. 27-33
詳細
1959 年 75 巻 847 号 p. 27-33
The mechanism of the edge effect was suggested; the Ts-Tts axis rotates at the edge point and the Tl keeps making θl (actually making θαθγ) with this axis as the liquid is advancing or receding, if Tl, Tls and Tl represent the solid-air, solid-liquid and liquid-air interfacial tensions respectively, and θe, θα and θγ are the equilibrium, advancing and receding contact angles respectively.
This is applied to the formation of the edge angle, and also accounts for the floatability of some shaped solid with zero contact angle. Consequently, the floating solid, in all cases, must satisfy both the supporting force equation (f1 or f2) and the Young or the Adam equation, which are very like to the correlation of the string and the knot with the suspended body.
