base drag 2

[pressey]

hello
I am an aeronautical engineer and I need datas on the effect of fins and flares on the base drag of cylindrical afterbodies. Any links on the subject will be helpful

 

[btrueblood]

Find a copy of _Fluid Dynamic Drag_, by William F. Hoerner. The book is self-published, and the author deceased, but I think still available from family. One of the best compilations of fluid dynamic data I've ever seen. From a brief web search:

HOERNER FLUID DYNAMICS
P.O. Box 21992
Bakersfield, CA 93390
Phone/Fax: (661)665-1065
hfdy@hoernerfdy.com

Or check in local engineering library.

 

[IRstuff]

Are you sure it's not Sighard?

http://www.hoernerfdy.com/drag.htm

McCoy's book would be the other choice:

http://www.bestwebbuys.com/books/search?isrc=b-home-search&q=0764307207&t=ISBN&x=39&y=17

TTFN

 

[btrueblood]

Oops, you're correct, it's Sighard Hoerner. For some reason William Hoerner sticks in my mind...was he maybe some WWII German aero designer?

-Ben T.

 

[IRstuff]

dunno..

didn't even know the first name until I went to the website you cited.

TTFN

 

[sorenfdk]

I don't know about William, but Sighard Hoerner (or perhaps it would have been Hörner if the "¨" had been more widespread?) was, I'm told, in fact a WWII German aero designer.

Best regards,
Soeren (that should have been "ø" if that had been more widespread!)