What is the de Laval nozzle known for?

Accelerating exhaust to supersonic speed.

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  1. Storing liquid fuel
  2. Steering the rocket
  3. Accelerating exhaust to supersonic speed ✔

Why: The de Laval nozzle narrows at the throat and widens, speeding exhaust gas to supersonic speed.

Huh, didn't know that: The de Laval nozzle narrows at the throat and widens, speeding exhaust gas to supersonic speed.

The dad joke
The de Laval nozzle really knows how to expand its horizons.
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References

Answer: Accelerating exhaust to supersonic speed. The de Laval nozzle narrows at the throat and widens, speeding exhaust gas to supersonic speed.

  1. Rocket engine en.wikipedia.org/wiki/Rocket_engine
    The most commonly used nozzle is the de Laval nozzle, a fixed geometry nozzle with a high expansion-ratio.
    Checked 2026-11-07.

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