J

James H. Dittmar

22 books found

Books by James H. Dittmar
The effect of front-to-rear propeller spacing on the interaction noise of a model counterrotation propeller at cruise conditionsJames H. Dittmar

The effect of front-to-rear propeller spacing on the interaction noise of a model counterrotation propeller at cruise conditions

James H. Dittmar

1987No page data
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 propellerJames H. Dittmar

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

James H. Dittmar

1988No page data
An estimate of the noise shielding on the fuselage resulting from installing a short duct around an advanced propellerJames H. Dittmar

An estimate of the noise shielding on the fuselage resulting from installing a short duct around an advanced propeller

James H. Dittmar

1988No page data
A fan design that meets the NASA aeronautics noise goalsJames H. Dittmar

A fan design that meets the NASA aeronautics noise goals

James H. Dittmar

2003No page data
Detailed noise measurements on the SR-7A propellerJames H. Dittmar

Detailed noise measurements on the SR-7A propeller

James H. Dittmar

1991No page data
Potential reduction of en route noise from an advanced turboprop aircraftJames H. Dittmar

Potential reduction of en route noise from an advanced turboprop aircraft

James H. Dittmar

1990No page data
Predicted and measured boundary layer refraction for advanced turboprop propeller noiseJames H. Dittmar

Predicted and measured boundary layer refraction for advanced turboprop propeller noise

James H. Dittmar

1990No page data
A fan concept to meet the 2017 noise goalsJames H. Dittmar

A fan concept to meet the 2017 noise goals

James H. Dittmar

1998No page data
Comparison of propeller cruise noise data taken in the NASA Lewis 8- by 6-foot wind tunnel with other tunnel and flight dataJames H. Dittmar

Comparison of propeller cruise noise data taken in the NASA Lewis 8- by 6-foot wind tunnel with other tunnel and flight data

James H. Dittmar

1989No page data
Some design philosophy for reducing the community noise of advanced counter-rotation propellersJames H. Dittmar

Some design philosophy for reducing the community noise of advanced counter-rotation propellers

James H. Dittmar

1985No page data
Reduced perceived noise low tip speed fans as result of abandoning cutoff stator vane numbersJames H. Dittmar

Reduced perceived noise low tip speed fans as result of abandoning cutoff stator vane numbers

James H. Dittmar

1998No page data
Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7AJames H. Dittmar

Preliminary measurement of the noise from the 2/9 scale model of the large-scale advanced propfan (LAP) propeller, SR-7A

James H. Dittmar

1985No page data
Laboratory experiments on active suppression of advanced tuboprop noiseJames H. Dittmar

Laboratory experiments on active suppression of advanced tuboprop noise

James H. Dittmar

1985No page data
Cruise noise of counterrotation propeller at angle of attack in wind tunnelJames H. Dittmar

Cruise noise of counterrotation propeller at angle of attack in wind tunnel

James H. Dittmar

1987No page data
Observations from varying the lift and drag inputs to a noise prediction method for supersonic helical tip speed propellersJames H Dittmar

Observations from varying the lift and drag inputs to a noise prediction method for supersonic helical tip speed propellers

James H Dittmar

1984No page data
Some acoustic results from the Pratt and Whitney Advanced Ducted PropulsorJames H. Dittmar

Some acoustic results from the Pratt and Whitney Advanced Ducted Propulsor

James H. Dittmar

1999No page data
An estimate of the enroute noise of an advanced turboprop airplaneJames H. Dittmar

An estimate of the enroute noise of an advanced turboprop airplane

James H. Dittmar

1986No page data
Laboratory experiments on active suppression of advanced turboprop noiseJames H. Dittmar

Laboratory experiments on active suppression of advanced turboprop noise

James H. Dittmar

1985No page data
Cruise noise of the 2/9th scale model of the large-scale advanced propfan (LAP) propeller, SR-7AJames H. Dittmar

Cruise noise of the 2/9th scale model of the large-scale advanced propfan (LAP) propeller, SR-7A

James H. Dittmar

1987No page data
A concept for a counterrotating fan with reduced tone noiseJames H. Dittmar

A concept for a counterrotating fan with reduced tone noise

James H. Dittmar

1992No page data