Leading-Edge Velocities and Lifted Methane Jet Flame Stability

<table>(a) Streamlines passing through the flame edge of case <svg height="10.6875" id="M34" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 7.9375 10.6875" width="7.9375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">1</tspan>
</text>
</g>
</g>
</svg>. (c) Velocity variation at the flame edge of case <svg height="10.6875" id="M35" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 7.9375 10.6875" width="7.9375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.6875)">
<g transform="translate(72,-63.45)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">1</tspan>
</text>
</g>
</g>
</svg>. The velocities in the rectangle are 0.28 m/s, 0.62 m/s, 1.34 m/s, 0.35 m/s, 0.5 m/s, and 0.64 m/s (ordered by left to right and top down).</table>

Journal of Combustion

Leading-Edge Velocities and Lifted Methane Jet Flame Stability

Figure 4