Path: ACPro/ACDesign
% Compute the rotation rate from the advance ratio
It also computes the propeller tip Mach number. Either or both altitude
and velocity can be vectors. If they are both vectors they must be the
same length.
Type NFromJ for a demo.
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Form:
[n,mT] = NFromJ( j, d, v, h )
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Inputs
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j (1,:) Advance ratio
d (1,1) Blade diameter (m)
v (1,:) Free stream velocity (m/s)
h (1,:) Altitude (m, optional)
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Outputs
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n (1,:) Rotation rate (rps)
mT (1,:) Tip Mach number (if h is specified)
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Reference: W.A. Mair and D.L. Birdsall, "Aircraft Performance",
Cambridge, 1992, pp. 97-98
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AerospaceUtils: AeroData/AtmData Common: Atmosphere/StdAtm Common: CommonData/SwooshWatermark Common: General/CellToMat Common: General/MatToCell Common: General/Watermark Common: Graphics/NewFig Common: Graphics/Plot2D Common: Graphics/PltStyle
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