Genetic Algorithm Optimization of the Volute Shape of a Centrifugal Compressor

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2016/4849025/figures/4849025.fig.005a.svgz" name="4849025.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Shape variation</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2016/4849025/figures/4849025.fig.005b.svgz" name="4849025.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Scaling</td></tr></table>

<div>Three different volute shapes represented by B-splines using eight control points (a) and scaling of the volute shape cross-sectional areas as a function of the azimuthal angle <svg height="12.3916pt" id="M32" style="vertical-align:-3.42948pt" version="1.1" viewbox="-0.0498162 -8.96212 7.47216 12.3916" width="7.47216pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M542 242C542 369 469 429 379 468C370 472 372 496 376 513L416 681L400 691L344 648L219 51C167 69 113 128 113 217C113 324 166 387 266 428L252 459C124 418 23 336 23 202C23 95 90 13 205 -8L182 -132C165 -222 191 -254 209 -261L215 -258L270 -7C415 -4 542 98 542 242ZM469 232C469 126 403 33 279 39L355 409C399 394 469 331 469 232Z" id="g113-243"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="565" vert-adv-y="565"></glyph.data></g></svg> (b).</div>

International Journal of Rotating Machinery

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Figure 5

Figure 5: Genetic Algorithm Optimization of the Volute Shape of a Centrifugal Compressor 