Creator of LULs (a script which helps links to point to your instance)

Come say hi here or over at https://twitch.tv/AzzuriteTV :) I like getting to know more people :)

Play games with me: https://steamcommunity.com/id/azzu

  • 0 Posts
  • 7 Comments
Joined 2 years ago
cake
Cake day: June 29th, 2023

help-circle
  • The question is what you mean with “too much self-awareness”, which you haven’t said. I strongly assume that what you’re talking about isn’t self-awareness at all, but self-worth issues.

    Because just knowing yourself… is simply never a bad thing. If it is, then it isn’t the thing you’re talking about.




  • Azzu@lemm.eetoAsklemmy@lemmy.mlWhy would'nt this work?
    link
    fedilink
    arrow-up
    2
    ·
    edit-2
    11 days ago

    There are multiple forces at work in a converging rocket nozzle:

    1. The exhaust is pushed outward faster since the hole is smaller, giving the rocket extra thrust
    2. The exhaust hits the wall of the nozzle as it gets thinner, braking the rocket

    These two effectively cancel out, which is why the actual effect of making the nozzle thinner/converge is that it increases the back pressure within the engine (constricted space, smaller hole), essentially (idk how) increasing the efficiency of the fuel burning.

    However, when the nozzle gets too thin, the exhaust becomes faster than its speed of sound. Since the pressure travels at the speed of sound, it can now not actually get back into the engine anymore. So that’s the limit of how thin you can make the nozzle. The pressure has to get back into the engine to have its effect, so you can’t make the exhaust travel faster than its speed of sound.

    If any of this sounds wrong to anyone, let me know, I’m not an expert in this.