Hydrodynamic concepts selected topics for underwater nuclear explosions. Technical report

Technical Report · Thu Sep 15 04:00:00 EDT 1966

OSTI ID:5010003

Snay, H G

This paper gives a narrative description of the hydrodynamic concepts which are important for the understanding of underwater explosion processes with particular emphasis given to the physical background. Mathematical developments are entirely omitted or kept to a minimum. The paper describes the concepts of the various fluid motions and fluid models involved in explosion phenomena. The properties of the shock front are described and the interrelationship between the formation of the nuclear bubble and the shock front is pointed out. The properties of high amplitude waves are outlined using Riemann's description. The formation of underwater explosion bubbles is shown to be a hydrodynamic consequence of the spherical pressure wave emitted by the explosion. Such a wave always produced a radial mass flow directed outward, the afterflow, which must lead to the formation of a cavity. The acoustic approximation of pressure waves is discussed in Appendix A. Appendix B contains comments on the entropy concept.

• Research Organization: Naval Ordnance Lab., White Oak, MD (USA)
• OSTI ID: 5010003
• Report Number(s): AD-803113
• Country of Publication: United States
• Language: English

Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450200* -- Military Technology
Weaponry
& National Defense-- Nuclear Explosions & Explosives
BUBBLES
DIFFERENTIAL EQUATIONS
DIMENSIONS
DOCUMENT TYPES
ENTHALPY
ENTROPY
EQUATIONS
EXPLOSIONS
FLUID MECHANICS
HYDRODYNAMICS
LEVELS
MATHEMATICAL MODELS
MATHEMATICS
MECHANICS
NUCLEAR EXPLOSIONS
NUMERICAL ANALYSIS
PHYSICAL PROPERTIES
PRESSURE DEPENDENCE
REVIEWS
SHOCK WAVES
THERMODYNAMIC PROPERTIES
THICKNESS
UNDERWATER
VISCOSITY
WAVE PROPAGATION