Baffles and spacers are critical components in heat exchanger cores that direct fluid flow and maintain structural integrity for optimal thermal efficiency.
Baffles are plates or vanes installed within heat exchanger shells or tube bundles to direct fluid flow across heat transfer surfaces, creating turbulence and preventing short-circuiting. Spacers are structural elements that maintain precise spacing between tubes, plates, or fins, ensuring uniform flow distribution and mechanical stability under thermal and pressure loads. Together, they optimize heat transfer coefficients, minimize fouling, and extend equipment lifespan in industrial thermal systems.
诱因 → 失效模式 → 工程缓解
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Baffles redirect shell-side fluid flow across tube bundles to increase turbulence, enhance heat transfer coefficients by 30-60%, and prevent dead zones that reduce thermal efficiency.
Spacers maintain tube alignment, dampen flow-induced vibrations that cause fatigue cracking, and prevent tube sagging under thermal expansion, reducing failure risks by up to 70%.
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