Circulating Water Systems without Valves

by Rudolf J. Wahanik, Sr. Hydr. Engr.; Gilbert Assocs., Inc., Reading, PA,

Serial Information: Journal of the Power Division, 1972, Vol. 98, Issue 2, Pg. 187-199

Document Type: Journal Paper


An analysis of the performance and operational problems of a circulating water cooling system for a large nuclear thermo-generating plant, where one pump serves a conduit and a surface condenser. The analysis covers: (1) the effect that the dissolved air of the intake water has on the time required to prime the system; (2) hydraulic transients that occur in a primed system after starting a circulating water pump with falling power characteristics; (3) influence of vacuum breaker operation on the hydraulic transients occurring in the system after pump tripout; and (4) additional equipment needed for successful operation of the system.

Subject Headings: Water intakes | Water circulation | Hydro power | Valves | Pumping stations | Hydraulic transients | Transient response | Thermal analysis

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