> Very interesting Bulent. That is the same reasoning I am
using
for my
> radiators(one each side)which will be inside the wing strakes
behind
the
> firewall of my Dyke Delta project. I am using NACA report
information
that
> involved radiators buried in wings. The report has test results
for
many
> shapes and sizes of inlets and outlets as to which are most
efficient.
The
> inlets are on the bottom side of leading edge of the airfoil. The
inles
are
> most efficient at climb angle of attack and slightly less
efficient(also
> lower drag) at cruise.
>
> Kelly Troyer
Holger Stephan wrote:
Kelly, which NACA reports did you use? Are they among those you can
download for free?
Thanks
- Holger
Holger here is the address for this report:
<http://naca.larc.nasa.gov/reports/1942/naca-report-743/>
Kelly Troyer
Two things Kelly. Those configurations are pre K&M (1942) and assume a non swept
back leading edge so be prepared for less than optimum performance.
In fact the air could just decide to go sideways instead of in the
scoop and through the rad. The Dyke Delta has highly swept back leading edges.
Don't shoot me. I am just the messenger :)
Paul Lamar
So noted Paul. There will probably be some loss of inlet pressure because
of the swept leading edges. May have to carry the NACA tests to the next step.
I have space to incorporate the K&M bell shaped inlet duct design and may
have to modify inlet design.
Kelly Troyer
The AirCraft Rotary Engine NewsLetter. Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/
Copyright 1998-2002 All world wide rights reserved.