water hammer

How to Prevent Condensation-Induced Water Hammer
How to Prevent Condensation-Induced Water Hammer

Condensation-induced water hammer (CIWH) is the term commonly used when describing a variety of transients that occur when water vapor is rapidly condensed by cold water. This article describes the…



Hydraulic Stability of Surge Tanks
Hydraulic Stability of Surge Tanks

When needed, surge tanks can provide a critical feature to the hydraulic design of hydropower projects. Principally, they can mitigate the overpressure effects of pressure transients or water hammer and…


Eliminate Transient Vacuums by Air Injection
Eliminate Transient Vacuums by Air Injection

Most operators know that air should be kept out of a heat exchanger’s cooling water supply line. Air can collect in pockets and block flow, increasing velocities, increasing system resistance,…