An Annular Thermoacoustic Prime Mover

Abstract

The dissertation constitutes the first detailed theoretical and experimental investigation of a thermoacoustic prime mover with periodic boundary conditions. There are five significant aspects to this research: (1) using DeltaE to analyze an annular prime mover, (2) developing an entirely new analysis program using MATLAB, (3) designing, building, and experimentally investigating a single stack, annular prime mover, (4) experimentally investigating a constricted, single stack annular prime mover, (5) predicting the performance of a two stack annular prime mover. The major conclusions are: (1) A single stack annular prime mover will not reach onset because the eigenmodes of the system do not support thermoacoustic growth. (2) A constricted annular prime mover will reach onset because the constriction forces dominating boundary conditions that alter the eigenmodes. (3) A two stack prime mover is predicted to reach onset because one of the eigenmodes of the symmetric system does support thermoacoustics.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1997
Accession Number
ADA333887

Entities

People

  • Hsiao-tseng Lin

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustics
  • Computational Fluid Dynamics
  • Computational Science
  • Differential Equations
  • Doppler Effect
  • Frequency Response
  • Heat Transfer
  • Measurement
  • Mechanical Properties
  • Mechanics
  • Numerical Analysis
  • Physical Theories
  • Physics
  • Standing Waves
  • Temperature Gradients
  • Thermal Conductivity
  • Thermodynamics

Readers

  • Combustion and Flow Dynamics.
  • Government Contracting/Procurement.