Measurement of density fluctuations using digital holographic interferometry in a standing wave thermoacoustic oscillator
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- 作者：Guillaume Penelet ; guillaume.penelet@univ-lemans.fr" class="auth_mail" title="E-mail the corresponding author ; Mathieu Leclercq ; Thibault Wassereau ; Pascal Picart
- 关键词：Thermoacoustics ; Digital holography
- 刊名：Experimental Thermal and Fluid Science
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：70
- 期：Complete
- 页码：176-184
- 全文大小：1584 K
文摘
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Digital holography is used to measure density variations in a thermoacoustic engine.
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The results show significant entrance effects next to the heated side of the stack.
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A simple model is provided, but it fails in explaining the experimental results.