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In-flight measurements of wing ice shapes and wing section drag increases caused by natural icing conditionsAircraft icing flight research was performed in natural icing conditions with a twin engine computer type STOL aircraft. In-flight measurements were made of the icing cloud environment, the shape of the ice accretion on the wing, and the corresponding increase in the wing section drag. Results are presented for three icing encounters. On one flight, the wing section drag coefficient increased 35 percent over the uniced baseline for cruise conditions while a 43 percent increase was observed at an aircraft angle of attack of 6.2 degrees.
Document ID
19860015196
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Mikkelsen, K. (NASA Lewis Research Center Cleveland, OH, United States)
Juhasz, N. (NASA Lewis Research Center Cleveland, OH, United States)
Ranaudo, R. (NASA Lewis Research Center Cleveland, OH, United States)
Mcknight, R. (NASA Lewis Research Center Cleveland, OH, United States)
Freedman, R. (NASA Lewis Research Center Cleveland, OH, United States)
Greissing, J. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 5, 2013
Publication Date
May 1, 1986
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.15:87301
E-3013
NASA-TM-87301
Report Number: NAS 1.15:87301
Report Number: E-3013
Report Number: NASA-TM-87301
Accession Number
86N24667
Funding Number(s)
PROJECT: RTOP 505-68-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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