1.1 Based upon the geometrically similar requirement for the model and prototype hydraulic turbine, the standard specifies the precision and water passage components surface quality of the prototype water passage components of hydraulic turbine to the hydraulic performance.
1.2 This standard is applicable to Francis turbine, axialflow turbine, mixed flow variable pitch turbine and pelton turbine. Throughflow turbine, angular impulse turbine and pump turbine can consult to this standard.
GB/T 10969-1996 The following standards are cited: