Dynamics of a toroidal bubble on a cylinder surface with an application to geophysical exploration
Shuai Li,
Andrea Prosperetti,
Devaraj van der Meer
Abstract:During the operation of a seismic airgun source, a certain amount of compressed highpressure air is released from the airgun chamber into the surrounding water, generating an expanding toroidal bubble attached to the airgun-body. The subsequent oscillations of the bubble generate low-frequency pressure waves, which are used to map the ocean subbottom, e.g., to locate oil and gas reserves. The bubble dynamic behavior and the emitted pressure waves are inevitably influenced by the airgun-body. However, the bubbl… Show more
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