A REVIEW OF WORLD CONTRIBUTIONS FROM 1945 TO 1965 TO THE THEORY OF ACOUSTIC RADIATION. CHAPTER III. THEORY OF TRANSIENT RADIATION.

Abstract

Contents: Poisson's solution of the initial value problem; Jordan's lemma; General formulas for the calculation of transient radiation; Transient radiation from a piston membrane - work of Kozina and Makarov; Transient response of a rigid piston in an infinite rigid baffle - work of miles; Indicial impedance of a rigid piston in a rigid infinite baffle; Transient radiation field of a vibrating plate edge clamped in a rigid wall; Transient radiation from large aperture planar radiators - case of short waves; Rectangular 'large aperture radiator' illuminated by a step modulated sinusoidal signal; Rectangular 'large aperture radiator' illuminated by a rectangular pulse modulated sinusoidal signal; Transient radiation from spheres; The polynomials B sub n (jkr sub o) and its laplace inversions; Transient radiation from spheres excited by arbitrary time signals; Characteristic waves of exterior space; Transient excitation of spheres by a sinusoidally modulated step function; Ratio R(k) of initial velocity potential amplitude of transient waves to the velocity potential amplitude of steady state waves in the far field; Transient radiation from a spherical source of order n = O for an impulse excitation; Transient radiation from a spherical source of order n = O for step sinusoid excitation; Tail end of transient radiation from a spherical source of order n = O; Tail end of transient radiation from a spherical source of order n = 1; Transient reaction of medium on a spherical radiator of order n = 1; Theory of sound radiation from moving sources; The transient field from an infinite line source of uniform strength; Transient waves in two dimensions - work of barakat.

Document Details

Document Type
Technical Report
Publication Date
Mar 10, 1966
Accession Number
AD0631772

Entities

People

  • S. Hanish

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Amplitude
  • Excitation
  • Far Field
  • Impedance
  • Inversion
  • Membranes
  • Polynomials
  • Radiation
  • Steady State
  • Step Functions
  • Time Signals

Fields of Study

  • Engineering
  • Physics

Readers

  • Control Systems Engineering.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering

Technology Areas

  • Space