Prediction of helicopter rotor discrete frequency noise : a computer program incorporating realistic blade motions and advanced acoustic formulation /

A numerical technique for calculation of the noise of high-speed propellers with advanced blade geometry /

Nystrom, Paul A.
Farassat, F.
Langley Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1980

"Langley Research Center.""July 1980"--Cover.Includes bibliographical references.Mode of access: Int...

Prediction of airframe noise /

Hardin, Jay C.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 51-56).Mode ...

Power cepstrum technique with application to model helicopter acoustic data /

Martin, R. M. (Ruth McVoy), 1956-
Burley, C. L.
Langley Research Center.

January 1986

Prepared at Langley Research Center."June 1986"--Cover.Includes bibliographical references (p. 30-31...

Helicopter rotor rotational noise predictions based on measured high-frequency blade loads /

Hosier, Robert N.
Ramakrishnan, Ramani.
Langley Research Center.

January 1974

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 80-82).Mode ...

Helicopter noise : blade slap /

Leverton, John W.
Langley Research Center.
University of Southampton.
United States. National Aeronautics and Space Administration.

Prepared by University of Southampton for Langley Research Center.Includes bibliographical reference...

A computer program to predict rotor rotational noise of a stationary rotor from blade loading coefficients /

Ramakrishnan, Ramani.
Hosier, Robert N., joint author.
Randall, Donald, joint author.
Langley Research Center.

January 1976

Cover title.Includes bibliographical references (p. 109).Mode of access: Internet

Evaluation of the annoyance due to helicopter rotor noise /

Sternfeld, Harry.
Doyle, Linda Bukowski, joint author.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1978

Issued June 1978.Prepared for Langley Research Center, Hampton, Va., under contract NAS1-14192.Inclu...

Theory of noise generation from moving bodies with an application to helicopter rotors /

Farassat, F.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 46-47).Mode ...

User's manual for a computer program to calculate discrete frequency noise of convention and advanced propellers /

Martin, R. M. (Ruth McVoy), 1956-
Farassat, F.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Langley Research Center.

January 1981

Subject category 71."August 1981"--Cover."Langley Research Center."Includes bibliographical referenc...

Helicopter main-rotor noise : determination of source contributions using scaled model data /

Brooks, Thomas F.
Marcolini, Michael A.
Jolly, J. Ralph.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.

January 1988

"August 1988"--Cover.Includes bibliographical references (p. 12).Mode of access: Internet

Aircraft noise prediction program user's manual /

Gillian, Ronnie E.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Langley Research Center.

January 1982

Subject category 71."Langley Research Center.""January 1983"--Cover.Distributed to depository librar...

Procedure for noise prediction and optimization of advanced technology propellers /

Jou, Wen-Huei.
Bernstein, Samuel.
Ames Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1979

April 1979."Prepared for Ames Research Center under contract NAS2-9807."Includes bibliographical ref...

Research investigation of helicopter main rotor/tail rotor interaction noise /

Fitzgerald, J.
Kohlhepp, F.
Lewis Research Center.

January 1988

"May 1988"--Cover."Prepared for Lewis Research Center under Contract NAS1-17126."Includes bibliograp...

Evaluation of helicopter noise due to blade-vortex interaction for five tip configurations /

Hoad, Danny R.
Langley Research Center.
Army Research and Technology Laboratories (U.S.). Structures Laboratory.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.

January 1979

Subject category 71."December 1979"--Cover."Langley Research Center.""Structures Laboratory, AVRADCO...

Computer program to predict aircraft noise levels /

Clark, Bruce J.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Lewis Research Center.

January 1981

"Lewis Research Center."STAR Category 71."September 1981"--Cover.Mode of access: Internet

A numerical technique for calculation of the noise of high-speed propellers with advanced blade geometry /

Nystrom, Paul A.
Farassat, F.
Langley Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1980

"Langley Research Center.""July 1980"--Cover.Includes bibliographical references.Mode of access: Int...

Prediction of airframe noise /

Hardin, Jay C.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 51-56).Mode ...

Power cepstrum technique with application to model helicopter acoustic data /

Martin, R. M. (Ruth McVoy), 1956-
Burley, C. L.
Langley Research Center.

January 1986

Prepared at Langley Research Center."June 1986"--Cover.Includes bibliographical references (p. 30-31...

Helicopter rotor rotational noise predictions based on measured high-frequency blade loads /

Hosier, Robert N.
Ramakrishnan, Ramani.
Langley Research Center.

January 1974

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 80-82).Mode ...

Helicopter noise : blade slap /

Leverton, John W.
Langley Research Center.
University of Southampton.
United States. National Aeronautics and Space Administration.

Prepared by University of Southampton for Langley Research Center.Includes bibliographical reference...

A computer program to predict rotor rotational noise of a stationary rotor from blade loading coefficients /

Ramakrishnan, Ramani.
Hosier, Robert N., joint author.
Randall, Donald, joint author.
Langley Research Center.

January 1976

Cover title.Includes bibliographical references (p. 109).Mode of access: Internet

Evaluation of the annoyance due to helicopter rotor noise /

Sternfeld, Harry.
Doyle, Linda Bukowski, joint author.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1978

Issued June 1978.Prepared for Langley Research Center, Hampton, Va., under contract NAS1-14192.Inclu...

Theory of noise generation from moving bodies with an application to helicopter rotors /

Farassat, F.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 46-47).Mode ...

User's manual for a computer program to calculate discrete frequency noise of convention and advanced propellers /

Martin, R. M. (Ruth McVoy), 1956-
Farassat, F.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Langley Research Center.

January 1981

Subject category 71."August 1981"--Cover."Langley Research Center."Includes bibliographical referenc...

Helicopter main-rotor noise : determination of source contributions using scaled model data /

Brooks, Thomas F.
Marcolini, Michael A.
Jolly, J. Ralph.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.

January 1988

"August 1988"--Cover.Includes bibliographical references (p. 12).Mode of access: Internet

Aircraft noise prediction program user's manual /

Gillian, Ronnie E.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Langley Research Center.

January 1982

Subject category 71."Langley Research Center.""January 1983"--Cover.Distributed to depository librar...

Procedure for noise prediction and optimization of advanced technology propellers /

Jou, Wen-Huei.
Bernstein, Samuel.
Ames Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1979

April 1979."Prepared for Ames Research Center under contract NAS2-9807."Includes bibliographical ref...

Research investigation of helicopter main rotor/tail rotor interaction noise /

Fitzgerald, J.
Kohlhepp, F.
Lewis Research Center.

January 1988

"May 1988"--Cover."Prepared for Lewis Research Center under Contract NAS1-17126."Includes bibliograp...

Evaluation of helicopter noise due to blade-vortex interaction for five tip configurations /

Hoad, Danny R.
Langley Research Center.
Army Research and Technology Laboratories (U.S.). Structures Laboratory.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.

January 1979

Subject category 71."December 1979"--Cover."Langley Research Center.""Structures Laboratory, AVRADCO...

Computer program to predict aircraft noise levels /

Clark, Bruce J.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Lewis Research Center.

January 1981

"Lewis Research Center."STAR Category 71."September 1981"--Cover.Mode of access: Internet

A numerical technique for calculation of the noise of high-speed propellers with advanced blade geometry /

Nystrom, Paul A.
Farassat, F.
Langley Research Center.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.

January 1980

"Langley Research Center.""July 1980"--Cover.Includes bibliographical references.Mode of access: Int...

Prediction of airframe noise /

Hardin, Jay C.
Langley Research Center.

January 1975

Prepared at Langley Research Center.Cover title.Includes bibliographical references (p. 51-56).Mode ...

Power cepstrum technique with application to model helicopter acoustic data /

Martin, R. M. (Ruth McVoy), 1956-
Burley, C. L.
Langley Research Center.

January 1986

Prepared at Langley Research Center."June 1986"--Cover.Includes bibliographical references (p. 30-31...

Prediction of helicopter rotor discrete frequency noise : a computer program incorporating realistic blade motions and advanced acoustic formulation /

Abstract

Extracted data

Prediction of helicopter rotor discrete frequency noise : a computer program incorporating realistic blade motions and advanced acoustic formulation /

Abstract

Extracted data

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