Development and Application of Integrated Aerodynamic Protuberant Foil Journal and Thrust Bearing in Turboexpander

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Magnitude</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Diameter of braking wheel (mm)</td><td class="align_center">60</td></tr><tr><td class="align_left">Diameter of expansion wheel (mm)</td><td class="align_center">36.5</td></tr><tr><td class="align_left">Outer diameter of thrust disc (mm)</td><td class="align_center">44</td></tr><tr><td class="align_left">Distance between journal bearings (mm)</td><td class="align_center">127</td></tr><tr><td class="align_left">Aspect ratio of journal bearing</td><td class="align_center">≈1</td></tr><tr><td class="align_left">Diameter of shaft (mm)</td><td class="align_center">25</td></tr><tr><td class="align_left">Length of rotor (mm)</td><td class="align_center">250.5</td></tr><tr><td class="align_left">Density of shaft (kg⋅m<sup>−3</sup>)</td><td class="align_center">7830</td></tr><tr><td class="align_left">Density of wheels (kg⋅m<sup>−3</sup>)</td><td class="align_center">2730</td></tr><tr><td class="align_left">Weight of rotor (g)</td><td class="align_center">891</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Geometrical parameters of the turbo-expander.

International Journal of Rotating Machinery

tab1

Table 1

Table 1: Development and Application of Integrated Aerodynamic Protuberant Foil Journal and Thrust Bearing in Turboexpander 