Laminar pods need to have low length/diameter ratio to get the benefits of laminar flow. Bruce Carmichael recommends length/diameter ratio of 3.33 in his book. I accidentally found also a pdf format article from web which talks about the same thing. You can get if from here:
www.aerorag.com/resource/aircraft/aerodynamics/carmichael/min_fus_drag_carmichael.pdf
Here is another document about the matter:
ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19860014381_1986014381.pdf
3 comments:
Thanks for links. Must read those.
There is a very interesting book about the Pac-Car II design available:
http://www.amazon.co.uk/Worlds-Most-Fuel-Efficient-Vehicle/dp/3728131342
http://www.paccar.ethz.ch/
It is using NLF body shape. Some videos of it:
http://www.paccar.ethz.ch/downloads/videos
Thanks for your links too. And thanks for active commenting! I really appreciate it. Please others also consider comment here if you have something in your mind. Sharing your idea, opinion etc. makes this a more active blog, which is very good.
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