THE EFFECT OF A FAULT ON THE EARTH’S NATURAL ELECTROMAGNETIC FIELD

Geophysics ◽  
1962 ◽  
Vol 27 (5) ◽  
pp. 651-665 ◽  
Author(s):  
I. d’ Erceville ◽  
G. Kunetz
Keyword(s):  
Electromagnetic Field ◽  
Physical Properties ◽  
Vertical Plane ◽  
Lateral Variation ◽  
Infinite Depth ◽  
Mathematical Solution ◽  
Natural Electromagnetic Field

The main purpose of this paper is to study the effect on a natural electromagnetic field of a lateral variation in the physical properties of the ground. An exact mathematical solution is given for two media of different resistivities in contact along a vertical plane (fault) overlying a horizontal basement that is taken as being either infinitely resistive or infinitely conductive, or at infinite depth. Results are given in the form of curves along profiles perpendicular to the fault. Some practical inferences are drawn from the shape of the curves and from their comparison.

The scattering of surface waves by a vertical plane barrier

1969 ◽  
Vol 66 (2) ◽  
pp. 417-422 ◽  
Author(s):  
R. J. Jarvis ◽  
B. S. Taylor
Keyword(s):  
Surface Waves ◽  
Small Amplitude ◽  
Vertical Plane ◽  
Finite Depth ◽  
Infinite Depth ◽  
Plane Barrier

AbstractIn this paper we use a method due to Williams(1) to discuss the scattering of surface waves of small amplitude on water of infinite depth by a fixed vertical plane barrier extending indefinitely downwards from a finite depth.

Paper 16: The Equilibrium of a Bubble Nucleus at a Solid Surface

1967 ◽  
Vol 182 (8) ◽  
pp. 152-158
Author(s):  
E. S. Gaddis ◽  
W. B. Hall
Keyword(s):  
Heat Flux ◽  
Physical Properties ◽  
Solid Surface ◽  
Alternative Model ◽  
Heated Surface ◽  
Wall Material ◽  
Cavity Size ◽  
Characteristic Distance ◽  
Dominant Mechanism ◽  
Mathematical Solution

Existing models for the equilibrium of a bubble at a heated surface are discussed; an alternative model is presented, based on conduction as the dominant mechanism in the liquid and on vapour transfer within the bubble. No artificial restrictions are made at the boundaries and the only condition to be fulfilled by the mathematical solution is continuity of temperature and heat flux at the liquid-vapour, liquid-solid, and vapour-solid interfaces. The characteristic distance in the undisturbed liquid, at which the liquid and the vapour temperatures are identical, is determined as a function of dimensionless parameters which contain the physical properties of fluid and wall material in addition to nucleation cavity size.

Sign in / Sign up

Export Citation Format

Share Document