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	<title>hydraulic jump &#8211; BIOENGINEER.ORG</title>
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		<title>Bubbles Reshape the Hydraulic Jump: CFD Reveals a Threshold Where Air Transforms Dam Spillway Flows</title>
		<link>https://bioengineer.org/bubbles-reshape-the-hydraulic-jump-cfd-reveals-a-threshold-where-air-transforms-dam-spillway-flows/</link>
		
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		<pubDate>Tue, 06 Oct 2026 12:48:27 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[cavitation]]></category>
		<category><![CDATA[CFD]]></category>
		<category><![CDATA[energy dissipation]]></category>
		<category><![CDATA[hydraulic jump]]></category>
		<category><![CDATA[OpenFOAM]]></category>
		<category><![CDATA[pre-aeration]]></category>
		<category><![CDATA[roller length]]></category>
		<category><![CDATA[spillway]]></category>
		<category><![CDATA[stilling basin]]></category>
		<category><![CDATA[turbulence]]></category>
		<category><![CDATA[two-phase flow]]></category>
		<category><![CDATA[Volume of Fluid]]></category>
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					<description><![CDATA[High-resolution CFD simulations show that upstream flow aeration leaves hydraulic jump energy dissipation nearly unchanged but triggers threshold effects above 40% air concentration, stretching the roller by up to 34.9% and providing near-bed air levels that protect spillway concrete from cavitation damage.]]></description>
		
		
		
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