What part of THREE KNOTS does your brain not comprehend ? Do you even know what a kt *is* ?
@gonzo - one day when you grow up, you'll discover I was right. For now, enjoy your naivety. If you want to enjoy something near-perfect, go...
@jehardiman "AutoCAD" (Fusion360 really) is my "carrier" - the propellers and turbines originate from a particle-swarm + genetic optimisation...
1. My example was a turbine - not a propeller. Turbines cannot take more energy out of any flow than the Betz limit dictates (like you said - the...
Maybe my forum membership is too new to use PM? [I can't see how anyplace] - my email is fusion360 [hyphen] support [at] OceanHydro.com.au (i.e....
Hi! I think you almost answered your own Q there? cavitation begins from low pressure, which is caused by the wrong section shape+angle for the...
p.s. I spent some time with OpenFOAM and was seriously underwhelmed - my general observation of CFD for airfoils is that 99% of time, it is useful...
A custom build of xfoil with a range of bugs removed For props, it's CL/CD. For Struts, it's 1/CD. I used a bell-curve-weighted target of +/- 6...
It does not make sense to ask, for many different reasons, not least being that there is no one answer. Other reasons include: the user doesn't...
I've released a Fusion360 add-in called "airfoil tools" (does hydrofoils too) which makes use of 8 years worth of CFD preprocessing to insert...
