> Ernest:
>
> I would recommend you purchase that book. They are
not really my
> algorithms
> and I don't want to be accused of copyright
infringement. The
> reason it
> can't easily be put in a spreadsheet is it is
really numerical
> calculus and
> the program runs multiple loops (finite steps
whereas in calculus
> the step
> size is taken to the limit of zero) to develop the
performance of a
> complete
> blade.
>
> Perry
>


Hmmm... A search on Amazon says that its not
available.  There's an author that has put a chapter
of his book dealing with duct design online.  I
believe that is Martin Hollman, but I'm at work now
and don't have access to my bookmarks.  Do you have
a pointer to where it can be purchased?