Hover Evaluation of the Circulation Control High Speed Rotor.
Abstract
A high-speed rotor model, designated the RB-CCR (reverse blowing circulation control rotor), was evaluated in the hover mode. The model was tested as two- and four-bladed rotor with several rotor configurations. In general the hover tests demonstrated that a good figure of merit can be obtained over a large range of collective pitch angles. A comparison of configurations at various collective angles showed a steady improvement in performance with increasing collective pitch angle (up to theta sub c = 6 deg). The RB-CCR model demonstrated that the high-speed rotor can hover with a zero mechanical collective pitch angle at a figure of merit of about 0.50.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1977
- Accession Number
- ADA040921
Entities
People
- David W Taylor
- Kenneth R. Reader