Author: Jerome B. Hammack
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 682
Book Description
The aerodynamic design of propellers from considerations of centrifugal force is presented. A solution is obtained for the span wise distribution of cross-sectional area required to attain constant centrifugal stress over most of the blade.
The Aerodynamic Design of Supersonic Propellers from Structural Considerations
Author: Jerome B. Hammack
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 682
Book Description
The aerodynamic design of propellers from considerations of centrifugal force is presented. A solution is obtained for the span wise distribution of cross-sectional area required to attain constant centrifugal stress over most of the blade.
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 682
Book Description
The aerodynamic design of propellers from considerations of centrifugal force is presented. A solution is obtained for the span wise distribution of cross-sectional area required to attain constant centrifugal stress over most of the blade.
Technical Note - National Advisory Committee for Aeronautics
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 554
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 554
Book Description
Technical Note
Report
Report - National Advisory Committee for Aeronautics
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1246
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1246
Book Description
Study of the Supersonic Propeller
Author: Jean Fabri
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 640
Book Description
In this paper a propeller having all sections operating at supersonic speeds is designated a supersonic propeller regardless of flight speed. Analyses assume subsonic flight speeds but very high rotational speeds. A very elementary analysis of the efficiency of a jet-propeller system is presented. A propeller analysis based on conventional vortex blade element theory is presented and reduced to a single point method which leads to an expression for optimum advance ratio in terms of hub-tip diameter ratio and airfoil fineness ratio. An expression for propeller efficiency in terms of advance ratio, hub-tip diameter ratio, and airfoil thickness ratio is also presented. Use is made of theoretical airfoil characteristics at supersonic speeds. A study of blade section interference, blade shock and expansion fields, at supersonic section speeds is presented. An example taken indicates that an efficiency of seventy percent can be obtained with a propeller having a tip Mach number of 2.3.
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 640
Book Description
In this paper a propeller having all sections operating at supersonic speeds is designated a supersonic propeller regardless of flight speed. Analyses assume subsonic flight speeds but very high rotational speeds. A very elementary analysis of the efficiency of a jet-propeller system is presented. A propeller analysis based on conventional vortex blade element theory is presented and reduced to a single point method which leads to an expression for optimum advance ratio in terms of hub-tip diameter ratio and airfoil fineness ratio. An expression for propeller efficiency in terms of advance ratio, hub-tip diameter ratio, and airfoil thickness ratio is also presented. Use is made of theoretical airfoil characteristics at supersonic speeds. A study of blade section interference, blade shock and expansion fields, at supersonic section speeds is presented. An example taken indicates that an efficiency of seventy percent can be obtained with a propeller having a tip Mach number of 2.3.
Annual Report
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 534
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 534
Book Description
Applied Mechanics Reviews
List of Technical Notes, 1947-1953
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 162
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 162
Book Description
WADC Technical Note
Author: United States. Wright Air Development Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 912
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 912
Book Description