Modelling Considerations in the Simulation of Hydrogen Dispersion within Tunnel Structures

<table>Hydrogen volumetric concentration versus time for Model 3 (hydrogen inlet velocity of 0.67 m s<sup>−1</sup>) at 6 sensor positions, having slip in the <svg height="7.1624999" id="M80" style="vertical-align:-0.11285pt" version="1.1" viewbox="0 0 8.7250004 7.1624999" width="8.7250004" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.1625)">
<g transform="translate(72,-66.27)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑥</tspan>
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</svg>-direction, and <svg height="10.9125" id="M81" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 37.8125 10.9125" width="37.8125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐶</tspan>
<tspan style="font-size: 12.50px; " x="11.852844" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="23.893232" y="0">0</tspan>
</text>
</g>
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</svg> at the tunnel exit.</table>

Journal of Applied Mathematics

fig10

Figure 10

Figure 10: Modelling Considerations in the Simulation of Hydrogen Dispersion within Tunnel Structures 