Thermal Insulation Performance of Radiant Barrier Roofs for Rural Buildings in the Qinba Mountains

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Operating condition</td><td class="align_center"><i>R</i>-value (m<sup>2</sup>K/W)</td><td class="align_center"><i>ε</i></td><td class="align_center">Maximum ceiling temperature (°C)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">A</td><td class="align_center">0.075</td><td class="align_center">0.25</td><td class="align_center">29.9</td></tr><tr><td class="align_left">B</td><td class="align_center">0</td><td class="align_center">0.25</td><td class="align_center">30.5</td></tr><tr><td class="align_left">C</td><td class="align_center">0</td><td class="align_center">0.95</td><td class="align_center">31.6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Simulation results under three operating conditions.</div>

Mathematical Problems in Engineering

tab7

Table 7

Table 7: Thermal Insulation Performance of Radiant Barrier Roofs for Rural Buildings in the Qinba Mountains 