Re: Proposals for air breathing hypersonic craft. V
- From: Uncle Al <UncleAl0@xxxxxxxxxxxxx>
- Date: Sun, 09 Nov 2008 11:57:42 -0800
Robert Clark wrote:
[snip]
Suppose we made the intake path for the supersonic, hypersonic air be[snip crap]
in the form of a J-bend pipe. Then the incoming air would first
initially be moving backwards with respect to the craft at high Mach
speed but the J-bend would direct this air forward so that with
respect to the craft it is now moving at zero relative velocity.
A key problem with scramjet propulsion is that the air moves so
quickly through the combustion chamber that there is little time to
complete combustion to get the full benefit of the energy released by
burning the fuel. However, now that the air will be made to be moving
at zero relative velocity you would have more time to complete the
combustion.
Christ's blood on a Saltine cracker. Direct shock waves to converge
at the craft's rear into walls of an elongated afterburner. There ya
go, stooopid - self-containment, no walls to melt, and lots of time to
burn fuel at small local velocities without sacrificing the large
ground velocity.
1) Look at the problem.
2) Think real hard.
3) Write down the answer.
It's called "intelligence", and it works. Nothing works better no
matter how many Diversity hires you have banging on typewriters (or
"safely" stowed in management).
--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2
.
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