Question

Explain the term "degree of reaction" as applied to hydraulic turbine.

Answer 1

Degree of reaction. From Wikipedia, the free encyclopedia. In turbomachinery, Degree of reaction or reaction ratio (R) is defined as the ratio of the static pressure drop in the rotor to the static pressure drop in the stage or as the ratio of static enthalpy drop in the rotor to the static enthalpy drop in the stage.