Detailed CFD Modelling of Open Refrigerated Display Cabinets

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Parameter</td><td align="center">Variable</td><td align="center">Unit</td><td align="center">Value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Relative pressure</td><td align="center"><i>p</i></td><td align="center">Pa</td><td align="center"> 0.00</td></tr><tr><td align="left">Temperature</td><td align="center"><i>T </i><sub>
											amb</sub></td><td align="center">K</td><td align="center"> 298.15</td></tr><tr><td align="left">Turbulence intensity</td><td align="center"><i>I<sub>t</sub></i></td><td align="center">%</td><td align="center"> 10.00</td></tr><tr><td align="left">Hydraulic diameter</td><td align="center"><i>D<sub>h</sub></i></td><td align="center">m</td><td align="center"> 1.20</td></tr><tr><td align="left">Black body temperature</td><td align="center"><span style="width: 20.2875px;"><svg height="14.35" id="M26" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 20.2875 14.35" width="20.2875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑇</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.07,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">b</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">b</tspan>
</text>
</g>
</g>
</svg></span></td><td align="center">K</td><td align="center"> 298.15</td></tr><tr><td align="left">Emissivity</td><td align="center"><span style="width: 7.6875px;"><svg height="7.1875" id="M27" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 7.6875 7.1875" width="7.6875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.1875)">
<g transform="translate(72,-66.25)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
</text>
</g>
</g>
</svg></span></td><td align="center">—</td><td align="center"> 1.00</td></tr><tr><td align="left">Water vapour mass fraction</td><td align="center"><span style="width: 14.65px;"><svg height="14.3375" id="M28" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 14.65 14.3375" width="14.65" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3375)">
<g transform="translate(72,-60.53)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑌</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.26,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑣</tspan>
</text>
</g>
</g>
</svg></span></td><td align="center">g<sub>v</sub> <svg height="18.049999" id="M29" style="vertical-align:-3.1726pt" version="1.1" viewbox="0 0 29.2125 18.049999" width="29.2125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,18.05)">
<g transform="translate(72,-57.56)">
<text transform="matrix(1,0,0,-1,-71.95,60.78)">
<tspan style="font-size: 12.50px; " x="0" y="0">k</tspan>
<tspan style="font-size: 12.50px; " x="6.1514759" y="0">g</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.55,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">−</tspan>
<tspan style="font-size: 8.75px; " x="5.99512" y="0">1</tspan>
</text>
<text transform="matrix(1,0,0,-1,-59.55,57.61)">
<tspan style="font-size: 8.75px; " x="0" y="0">m</tspan>
</text>
</g>
</g>
</svg></td><td align="center"> 11.80</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Values imposed at the fixed pressure boundary condition.

Modelling and Simulation in Engineering

tab3

Table 3

Table 3: Detailed CFD Modelling of Open Refrigerated Display Cabinets 