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Abstract

Thermoacoustics exploit a temperature gradient to produce powerful acoustic pressure waves. The technology has a key role to play in energy harvesting systems. A time-line in the development of thermoacoustics is presented from its earliest recorded example in glass blowing through to the development of the Sondhauss and Rijke tubes to Stirling engines and pulse-tube cryo-cooling. The review sets the current literature in context, identifies key publications and promising areas of research. The fundamental principles of thermoacoustic phenomena are explained; design challenges and factors influencing efficiency are explored. Thermoacoustic processes involve complex multi-physical coupling and transient, highly non-linear relationships which are computationally expensive to model; appropriate numerical modelling techniques and options for analyses are presented. Potential methods of harvesting the energy in the acoustic waves are also examined.

Original languageEnglish
Pages (from-to)2967-2992
Number of pages26
JournalEuropean Physical Journal - Special Topics
Volume224
Issue number14-15
DOIs
Publication statusPublished - 1 Nov 2015

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Thermoacoustics
Energy harvesting
Stirling engines
tubes
acoustics
blowing
elastic waves
temperature gradients
cooling
energy
glass
Blow molding
pulses
Thermal gradients
Acoustics
Acoustic waves
Cooling
Glass

Cite this

Principles of thermoacoustic energy harvesting. / Avent, A. W.; Bowen, C. R.

In: European Physical Journal - Special Topics, Vol. 224, No. 14-15, 01.11.2015, p. 2967-2992.

Research output: Contribution to journalArticle

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