Development of Optophone with No Diaphragm and Application to Sound Measurement in Jet Flow

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="909437.fig.0031a" src="https://static.hindawi.com/articles/aav/volume-2012/909437/figures/909437.fig.0031a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The vertical mode</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="909437.fig.0031b" src="https://static.hindawi.com/articles/aav/volume-2012/909437/figures/909437.fig.0031b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The horizontal mode</td></tr></table></td></tr></table>

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</svg> kHz).</table>

Advances in Acoustics and Vibration

fig31

Figure 31

Figure 31: Development of Optophone with No Diaphragm and Application to Sound Measurement in Jet Flow 