About Flow

Getting Flow

Support / Contact Info

Release History

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Apple iTunes





Apple iTunes

Flow is a handy fluid dynamics app for the iPhone and iPod Touch. The software implements 1D compressible flow equations, normal and oblique shock relations, laminar and turbulent flat plate boundary layer development, standard atmospehere modeling, and the gas properties of air at sea level. Flow is a great tool for aerospace engineers, mechanical engineers, students, and anyone else working in fluid dynamics.



1D Compressible Flow Equations




Shock Relations




Incompressible Flat Plate Boundary Layer




1976 US Standard Atmosphere




Gas Properties of Air at Sea Level


Getting Flow

Flow is available at the iTunes App Store for $4.99. Click the icon below to go to the iTunes App Store and view the Flow product listing.


Works on any iPhone or iPod Touch with iPhone OS 2.0 or later


Nomenclature used in Flow


MMach Number
pPressure
TTemperature
aSpeed of Sound
ρDensity
AArea
cpSpecific Heat at Constant Pressure
cvSpecific Heat at Constant Volume
γSpecific Heat Ratio
βShock Angle
θWedge Angle
ReReynolds Number
CpPressure Coefficient
xDistance along Flat Plate
LFlat Plate Length
δBoundary Layer Thickness
δ1Boundary Layer Displacement Thickness
δ2Boundary Layer Momentum Thickness
CfSkin Friction Coefficient


For the variables M, p, T, a ρ, and A, subscript 0 denotes stagnation, 1 denotes upstream of shock, 2 denotes downstream of shock, and * denotes sonic.



Support / Contact Info

Address all enquiries to: dev@hunter.pairsite.com. Feedback, comments, and suggestions are welcome. If you have an idea for a new feature that should be added to Flow, please pass it on!


Release History

Version 1.0.1 - 11/5/08
- Bug fixes in data entry and display

Version 1.0 - 8/7/08
- Initial public release