Effect of Thermal Cycling on Operational Characteristics and Lifetime Prediction of Space Pulse Tube Refrigerator

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Values</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Heat reject temperature range (K)</td><td class="align_center">243–283</td></tr><tr><td class="align_left">Dwell time (h)</td><td class="align_center">60</td></tr><tr><td class="align_left">Ramp time (h)</td><td class="align_center">24</td></tr><tr><td class="align_left">Ramp rate (K/h)</td><td class="align_center">2.08</td></tr><tr><td class="align_left">One cycle time (h)</td><td class="align_center">168</td></tr><tr><td class="align_left">Test status</td><td class="align_center">Continuous operation</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Details of the thermal cycling test profile.</div>

Mathematical Problems in Engineering

tab2

Table 2

Table 2: Effect of Thermal Cycling on Operational Characteristics and Lifetime Prediction of Space Pulse Tube Refrigerator 