Energy Demodulation Algorithm for Flow Velocity Measurement of Oil-Gas-Water Three-Phase Flow

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="705323.fig.0010a" src="https://static.hindawi.com/articles/mpe/volume-2014/705323/figures/705323.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The upstream oil-gas-water flow noise signal <svg height="15.4" id="M114" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 18.174999 15.4" width="18.174999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,13.038,15.187)"><path d="M352 391q0 -31 -27 -44q-14 -7 -24 6q-39 48 -84 48q-23 0 -39.5 -15t-16.5 -40q0 -43 73 -90q49 -32 70 -58t21 -57q0 -58 -62 -105.5t-129 -47.5q-40 0 -75.5 25t-35.5 52q0 28 32 46q7 4 15 3t11 -6q19 -31 48.5 -50.5t54.5 -19.5q34 0 54 19.5t20 42.5q0 43 -65 81
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</svg></td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="705323.fig.0010b" src="https://static.hindawi.com/articles/mpe/volume-2014/705323/figures/705323.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The downstream oil-gas-water flow noise signal <svg height="15.4" id="M115" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 18.862499 15.4" width="18.862499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></td></tr></table></td></tr></table>

<table>Upstream and downstream oil-gas-water three-phase flow noise signal.</table>

Mathematical Problems in Engineering

fig10

Figure 10

Figure 10: Energy Demodulation Algorithm for Flow Velocity Measurement of Oil-Gas-Water Three-Phase Flow 