Latest / Deep End Era. Engineering with Sankalp
Boiling Without Heat: Centrifugal Pumps, Cavitation and Seals
A pump on a refinery crude unit starts sounding like it is full of gravel. Episode one hundred and fifty one follows a fictional rotating equipment engineer, Ingrid, as she works out why, and along the way explains how centrifugal pumps really work, what cavitation is, what NPSH actually measures, and why a seal whose faces are flat to a fraction of a wavelength of light is all that stands between hot hydrocarbon and a fire. Real stories include the Glen Canyon Dam spillways in 1983 and the 2009 turbine disaster at Sayano-Shushenskaya. Ingrid and her refinery are fictional; facts are sourced…
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