MATHEMATICAL RELATIONS AND NUMERICAL TABLES FOR THE GEOMETRICAL ASPECTS OF DIFFUSION PROPAGATION IN ENCLOSED CHAMBERS,

Abstract

This report presents relations for determining the time-varying, average temperature which results from the diffusion of heat to the walls of a gas-filled enclosure. At infrasonic frequencies, the average temperature is the basic quantity that determines the relationship between dynamic volume and pressure changes. Sinusoidal and step changes are emphasized, and extensive, five-figure, tabulated data are given for the sphere, the infinite narrow box, and a wide range of finite cylinders. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 18, 1963
Accession Number
AD0430915

Entities

People

  • H. Gerber

Organizations

  • Naval Ordnance Laboratory

Tags

DTIC Thesaurus Topics

  • Diffusion

Readers

  • Acoustics.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)