[AR] Re: Lox - Ethanol(70%) Characteristic Length(L*) advice

  • From: roxanna Mason <rocketmaster.ken@xxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Thu, 7 Jan 2021 17:48:26 -0800

Ethanol vaporizes better than Kerosene which has an L* of about 60" but the
injector design has a large bearing on effective vaporization and
combustion in which c* efficiency is also affected.

K

On Thu, Jan 7, 2021 at 4:58 PM 오승환 <shoh95@xxxxxxxxx> wrote:

Hello,

I’m about to build an 1000lbf LPRE with LOx - Ethanol(70%) as propellant.
I’ve been researching with the characteristic length(L*) of these
propellant combination with no success of finding any.

It would be of great help if somebody could help me with this subject.

Any input would be greatly appreciated.

SH

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