Charlie:
The pressure in the propellant delivery plumbing has to be higher than that
in the combustion chamber else your concern is exactly what will happen.
Bill
On Fri, Jan 1, 2021 at 5:34 PM Charlie Jackson <charliejackson8629@xxxxxxxxx>
wrote:
I’m currently designing my own liquid-fuel rocket engine and, when drawing
up the injector, I can’t get my head around what’s stopping hot combustion
gas from travelling through the pipe lines because of the pressure
difference. And could this be prevented with simple non-return valves?
Kind regards,
Charlie