Showing 1 - 20 results of 22 for search '"propellant"', query time: 0.20s Refine Results
  1. 1
    Noise reduction for model counterrotation propeller at cruise by reducing aft-propeller diameter /
    by Dittmar, James H.
    Published 1987
    Subjects: “...Propeller-driven aircraft....”
    Get full text
    Government Document Book
  2. 2
    The effect of front-to-rear propeller spacing on the interaction noise at cruise conditions of a model counterrotation propeller having a reduced diameter aft propeller /
    by Dittmar, James H.
    Published 1988
    Subjects: “...Propellers, Aerial Noise....”
    Government Document Book
  3. 3
    The effect of front-to-rear propeller spacing on the interaction noise of a model counterrotation propeller at cruise conditions /
    by Dittmar, James H.
    Published 1987
    Subjects: “...Propellers, Aerial Noise....”
    Government Document Book
  4. 4
    An experimental investigation of the effect of boundary layer refraction on the noise from a high-speed propeller /
    by Dittmar, James H.
    Published 1984
    Subjects: “...Propellers, Aerial....”
    Government Document Book
  5. 5
    A possible explanation for the present difference between linear noise theory and experimental data for supersonic helical tip speed propellers /
    by Dittmar, James H.
    Published 1983
    Subjects: “...Propellers, Aerial Noise....”
    Government Document Microform Book
  6. 6
    Detailed noise measurements on the SR-7A propeller : tone behavior with helical tip Mach number /
    by Dittmar, James H.
    Published 1991
    Government Document Book
  7. 7
    The effect of swirl recovery vanes on the cruise noise of an advanced propeller.
    by Dittmar, James H.
    Published 1990
    Subjects: “...Propeller noise. nasat...”
    Government Document Book
  8. 8
    Observations from varying the lift and drag inputs to a noise prediction method for supersonic helical tip speed propellers /
    by Dittmar, James H.
    Published 1984
    Subjects: “...Propellers....”
    Government Document Microform Book
  9. 9
    Potential reduction of en route noise from an advanced turboprop aircraft /
    by Dittmar, James H.
    Published 1990
    Subjects: “...Airplanes Turbine-propeller engines....”
    Government Document Book
  10. 10
    Predicted and measured boundary layer refraction for advanced turboprop propeller noise /
    by Dittmar, James H.
    Published 1990
    Government Document Book
  11. 11
    Noise of the SR-6 propeller model at 2⁰ and 4⁰ angles of attack /
    by Dittmar, James H.
    Published 1983
    Subjects: “...Propeller-driven aircraft....”
    Government Document Microform Book
  12. 12
    Cruise noise of the SR-2 propeller model in a wind tunnel /
    by Dittmar, James H.
    Published 1989
    Subjects: “...Propellers. nasat...”
    Get full text
    Government Document Microform Book
  13. 13
    Cruise noise of the SR-2 propeller model in a wind tunnel /
    by Dittmar, James H.
    Published 1989
    Subjects: “...Propellers. nasat...”
    Get full text
    Government Document Book
  14. 14
    An experimental investigation of reducing advanced turboprop cabin noise by wing shielding /
    by Dittmar, James H.
    Published 1986
    Subjects: “...Airplanes Turbine-propeller engines....”
    Government Document Book
  15. 15
    Some design philosophy for reducing the community noise of advanced counter-rotation propellers /
    by Dittmar, James H.
    Published 1985
    Subjects: “...Airplanes Turbine-propeller engines Noise....”
    Government Document Book
  16. 16
    Laboratory experiments on active suppression of advanced tuboprop noise /
    by Dittmar, James H.
    Published 1985
    Subjects: “...Airplanes Turbine-propeller engines Noise....”
    Government Document Book
  17. 17
    Further comparison of wind tunnel and airplane acoustic data for advanced design high speed propeller models /
    by Dittmar, James H.
    Published 1985
    Subjects: “...Propellers. nasat...”
    Government Document Microform Book
  18. 18
    An estimate of the noise shielding on the fuselage resulting from installing a short duct around an advanced propeller /
    by Dittmar, James H.
    Published 1988
    Government Document Book
  19. 19
    Cruise noise of the 2/9th scale model of the large-scale advanced propfan (LAP) propeller, SR-7A /
    by Dittmar, James H.
    Published 1987
    Government Document Book
  20. 20
    Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7A /
    by Dittmar, James H.
    Published 1985
    Subjects: “...Airplanes Turbine-propeller engines Noise....”
    Government Document Book
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