Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Draft Tubes of Water Turbines in Underground and Semi-Underground Powerhouses
The effect of the centerline radius, bend angle, and diffuser length of high draft tubes in underground and semi-underground powerhouses on head losses is studied analytically. It is established that the dependence of the head losses on the diffuser length does not depend on the capacity, flow rate, and runner diameter of the water turbine; therefore, the diffuser length should be consistent with the construction conditions, but no greater than 35 – 40 m. The centerline radius r0 of the elbow increases with its bend angle α.
Draft Tubes of Water Turbines in Underground and Semi-Underground Powerhouses
The effect of the centerline radius, bend angle, and diffuser length of high draft tubes in underground and semi-underground powerhouses on head losses is studied analytically. It is established that the dependence of the head losses on the diffuser length does not depend on the capacity, flow rate, and runner diameter of the water turbine; therefore, the diffuser length should be consistent with the construction conditions, but no greater than 35 – 40 m. The centerline radius r0 of the elbow increases with its bend angle α.
Draft Tubes of Water Turbines in Underground and Semi-Underground Powerhouses
Mikhailov, I. E. (Autor:in)
2018
Aufsatz (Zeitschrift)
Englisch
diffuser , cone , head loss , high draft tube , elbow
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