A BIDIRECTIONAL WATER TURBINE

摘要

A bidirectional water turbine (10) comprising: an upstream rotor (20) and a downstream rotor (22), wherein the upstream rotor (20) and downstream rotor (22) are contra-rotating and each rotor (20, 22) comprises a plurality of blades (24), the blades (24) of the upstream and downstream rotors (20, 22) having substantially the same profile (52).