Performance Enhancement of Spaceborne Cooler Passive Launch and On-Orbit Vibration Isolation System

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Before test</td><td class="align_center">After test</td><td class="align_center">Variation (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Natural frequency (Hz)</td><td class="align_center">7.7</td><td class="align_center">7.8</td><td class="align_center">1.28</td></tr><tr><td class="align_left">Damping ratio</td><td class="align_center">0.037</td><td class="align_center">0.03</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Free vibration test results before and after launch vibration tests.</div>

International Journal of Aerospace Engineering

tab5

Table 5

Table 5: Performance Enhancement of Spaceborne Cooler Passive Launch and On-Orbit Vibration Isolation System 