Experimental and Numerical Analysis of Flow Behavior for Reverse Circulation Drill Bit with Inserted Swirl Vanes

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/2472280/figures/2472280.fig.005a.svgz" name="2472280.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Computation models</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2022/2472280/figures/2472280.fig.005b.svgz" name="2472280.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Computation grids</td></tr></table>

<div>Geometry model and grid generation for the reverse circulation drill bit with a vane swirler built in: (a) computation models; (b) computation grids.</div>

Geofluids

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Figure 5

Figure 5: Experimental and Numerical Analysis of Flow Behavior for Reverse Circulation Drill Bit with Inserted Swirl Vanes 