Ice shapes and the resulting drag increase for a NACA 0012 airfoil

Olsen, W. A.; Shaw, R. J.; Newton, James E.

doi:10.2514/6.1984-109

Cited by 58 publications

(32 citation statements)

References 1 publication

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“…Instead, the frost appeared as a thin layer with a uniformly rough surface. Olsen et al 6 have suggested that the frost is due to a freestream turbulence level higher than that in flight. However, since only the lower surface of the airfoil had any frost, some other reason is suspected.…”

Section: Results and Discussion Of Test Programmentioning

confidence: 98%

Experimental investigation of multielement airfoil ice accretion andresulting performance degradation

Potapczuk

Berkowitz²

1990

Journal of Aircraft

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Section: Results and Discussion Of Test Programmentioning

confidence: 98%

Experimental investigation of multielement airfoil ice accretion andresulting performance degradation

Potapczuk

Berkowitz²

1990

Journal of Aircraft

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“…However, due to testcondition uncertainties, n is only known to within about ±10% 15 , so it is useful to know what kinds of variations in ice shape can be expected. Olsen, et al 19 showed the effect of systematic changes in temperature on ice shape with all other test conditions fixed.…”

Section: Freezing Fraction Nmentioning

confidence: 99%

Acceptable tolerances for matching icing similarity parameters in scaling applications

Anderson

2001

39th Aerospace Sciences Meeting and Exhibit

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“…‡ A wide range of tests have been performed in the IRT over its years of operation, providing information as to how ice forms on an aircraft's surface under a given set of conditions, 1 the impact a particular ice shape has on an aircraft's performance, 2 or the effectiveness of a proposed icing prevention 3 or ice removal 4 strategy. Additionally, tests have been run in order to calibrate the tunnel after equipment repairs or upgrades, 5 to provide validation data for ice prediction software systems, 6 or for a variety of other icing research-related purposes.…”

Section: Rationalementioning

confidence: 99%

IceVal DatAssistant - An Interactive, Automated Icing Data Management System

Levinson

Wright

2008

46th AIAA Aerospace Sciences Meeting and Exhibit

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As with any scientific endeavor, the foundation of icing research at the NASA Glenn Research Center (GRC) is the data acquired during experimental testing. In the case of the GRC Icing Branch, an important part of this data consists of ice tracings taken following tests carried out in the GRC Icing Research Tunnel (IRT), as well as the associated operational and environmental conditions during those tests. Over the years, the large number of experimental runs completed has served to emphasize the need for a consistent strategy to manage the resulting data. To address this situation, the Icing Branch has recently elected to implement the IceVal DatAssistant automated data management system. With the release of this system, all publicly available IRT-generated experimental ice shapes with complete and verifiable conditions have now been compiled into one electronicallysearchable database; and simulation software results for the equivalent conditions, generated using the latest version of the LEWICE ice shape prediction code, are likewise included and linked to the corresponding experimental runs. In addition to this comprehensive database, the IceVal system also includes a graphically-oriented database access utility, which provides reliable and easy access to all data contained in the database. In this paper, the issues surrounding historical icing data management practices are discussed, as well as the anticipated benefits to be achieved as a result of migrating to the new system. A detailed description of the software system features and database content is also provided; and, finally, known issues and plans for future work are presented.

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Ice shapes and the resulting drag increase for a NACA 0012 airfoil

Cited by 58 publications

References 1 publication

Experimental investigation of multielement airfoil ice accretion andresulting performance degradation

Experimental investigation of multielement airfoil ice accretion andresulting performance degradation

Acceptable tolerances for matching icing similarity parameters in scaling applications

IceVal DatAssistant - An Interactive, Automated Icing Data Management System

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