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Browsing Tag

Fluid dynamics

6 posts
  • Hydraulics & Flow Science

Cavitation: The Bubble Phenomenon That Destroys Impellers

impeller damage from cavitation
Cavitation happens when vapor bubbles form inside your pump due to low…
  • Pool Lexicon Team
  • September 29, 2025
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  • Hydraulics & Flow Science

Priming a Pump: Physics of a Flooded Vs Dry End

pump priming and flooding
Understanding the physics behind flooded versus dry pump ends reveals how proper priming impacts efficiency and prevents damage—read on to uncover the full story.
  • Pool Lexicon Team
  • September 28, 2025
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  • Hydraulics & Flow Science

Suction Vs Pressure Lines: What Each Circuit Handles Best

flow direction and function
Finding the right circuit—suction or pressure—depends on understanding each’s strengths; continue reading to see which suits your application best.
  • Pool Lexicon Team
  • September 21, 2025
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  • Hydraulics & Flow Science

Pipe Sizing: Why 2‑Inch Isn’t Always Better

optimal pipe sizing choices
Learning why bigger isn’t always better for pipe sizing can save you money and prevent problems—discover the key factors to consider.
  • Pool Lexicon Team
  • September 18, 2025
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  • Hydraulics & Flow Science

Flow Rate Vs Velocity: the Two Numbers That Rule Circulation

flow and speed comparison
Just understanding flow rate and velocity is key—but how they interact could change everything in your circulation system.
  • Pool Lexicon Team
  • September 15, 2025
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  • Educational Resources

Pump Affinity Laws: The Energy‑Saving Math Every Owner Should Know

pump efficiency energy savings
Understanding the pump affinity laws helps you predict how changes in speed…
  • Pool Lexicon Team
  • August 16, 2025
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chlorine test differences
  • Testing & Measurement

DPD Vs OTO Tests: What Each Chlorine Test Actually Reads

By understanding whether DPD or OTO tests measure specific chlorine types, you'll learn…
  • Pool Lexicon Team
  • October 5, 2025
multiple return flow distribution
  • Hydraulics & Flow Science

Manifolds & Headers: Even Distribution to Multiple Returns

A well-designed manifold and header system ensures even distribution to multiple…
  • Pool Lexicon Team
  • October 4, 2025
fitting losses comparison
  • Hydraulics & Flow Science

Hydraulic Losses at Fittings: 90S Vs 45S Vs Sweeps

Straightforward differences in hydraulic losses at fittings like 90°, 45°, and sweep…
  • Pool Lexicon Team
  • October 3, 2025
preventing hair and body entrapment
  • Hydraulics & Flow Science

Entrapment Physics: Hair, Limb, and Body—How to Prevent

Discover how understanding entrapment physics can help you prevent hair, limb, and body…
  • Pool Lexicon Team
  • October 2, 2025
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