NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login

Press Enter or click the Search button to begin your search.

Back to Results
Analyzing Wakes From Hovering-Helicopter Rotor BladesNew method for analyzing free wake of hovering-helicopter rotor produces more reliable results and requires less computer time. Copes with wake instabilities, both physical and numerical, that afflict usual time-stepping analysis methods. Tip-vortex position, in coordinates moving with rotor blade, updated in relaxation procedure. Wake-airflow solution reached when updates converge to steady wake shape.
Document ID
19870000482
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bliss, D. B. (Continuum Dynamics, Inc.)
Wachspress, D. A. (Continuum Dynamics, Inc.)
Quackenbush, T. R. (Continuum Dynamics, Inc.)
Bilanin, A. J. (Continuum Dynamics, Inc.)
Date Acquired
August 13, 2013
Publication Date
October 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 9
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
ARC-11675
ISSN: 0145-319X
Report Number: ARC-11675
Accession Number
87B10482
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.

Related Records

There are no records associated with this record.
No Preview Available