398 



Figure 8 - Diagram Illustrating a Gas Globe under the Simultaneous 

 Influence of Gravity and a Neighboring Rigid Surface S 



The circle represents a globe of gas surrounded by water; the mass of water is 

 bounded on one side by a rigid wall. 



while N^ = Ny= 0. Hence, for the displacement of the globe to the first 

 peak recompression 



J. 2.60 J?2 



f^ 



0.009 



4000 5^ 



B = /b/ + b/ 



Bv = 0.0346 1 1 + 0.23 4^1 ^ sin9 



Zip. 



[30a. b] 



[31a] 



[31b] 



[32] 



B, = 0.0346 [l+ 0.23^] ^ cosO - 0.223 [l- 0.18 ^(^f [33] 

 or, to a good approximation, 



By = 0.0346 —2- sin# 

 ^ Pa 



B^ = 0.0346 ^ cos6> - 0.223 (^) 

 ^ p^ ^ Z ' 



:34a] 



[34b: 



Here X^ - Xf, and Zj - Zq represent components of the displacement measured 

 positively in the direction of increasing X or Z. 

 The first period, from Equation [5], is 



T, =r,o[i +0.20^] 



[35] 



