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Theoretical Determination of Axial Fan PerformanceThe report presents a method for the computation of axial fan characteristics. The method is based on the assumption that the law of constancy of the circulation along the blade holds, approximately, for all fan conditions for which the blade elements operate at normal angles of attack (up to the stalling angles). Pressure head coefficient K(sub a) and power coefficient K(sub u) for the force components in the axial and tangential directions, respectively, and analogous to the lift and drag coefficients C(sub y) and C(sub x) are conveniently introduced.
Document ID
20050019468
Acquisition Source
Langley Research Center
Document Type
Other - NACA Technical Memorandum
Authors
Struve, E. (Tsentralni Aerogidrodinamicheskii Inst. Moscow, USSR)
Date Acquired
September 7, 2013
Publication Date
April 1, 1943
Publication Information
Publication: Report of the Central Aero-Hydrodynamical Institute, Moscow
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NACA-TM-1042
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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