Numerical Simulation on the Influence of Rotating Speed on the Hydraulic Loss Characteristics of Desalination Energy Recovery Turbine

<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">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Design flow rate <i>Q</i><sub>d</sub> (m<sup>3</sup>/h)</td><td class="align_center">50.9</td></tr><tr><td class="align_left">Inlet pressure (MPa)</td><td class="align_center">5.5</td></tr><tr><td class="align_left">Rotating speed <i>n</i><sub>d</sub> (r/min)</td><td class="align_center">20000</td></tr><tr><td class="align_left">Specific speed <i>N</i><sub>sd</sub></td><td class="align_center">76</td></tr><tr><td class="align_left">Number of impeller blades <i>Z</i></td><td class="align_center">6</td></tr><tr><td class="align_left">Impeller inlet diameter <i>D</i><sub><i>1</i></sub> (mm)</td><td class="align_center">75</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main design parameters of ERT.</div>

Shock and Vibration

tab1

Table 1

Table 1: Numerical Simulation on the Influence of Rotating Speed on the Hydraulic Loss Characteristics of Desalination Energy Recovery Turbine 