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Poletíme ke hvězdám?

Po dlouhé době ledové se v kosmonautice hnuly ledy. Co to znamená pro raketové motory?

David Petrla Tricentis

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DETONATION ENGINE

Explosions�

  • Slow – DEFLAGRATION
    • Shock wave slower than sound
    • Examples: Petrol in the car engine cylinder, smokeless powder in the firearm barrell.

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  • Fast – DETONATION
    • Shock wave faster than sound
    • Examples: TNT or Semtex
    • 25 % more efficient than deflagration

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PULSE DETONATION ENGINE

The first known flight of an aircraft powered by a pulse detonation engine took place at the Mojave Air & Space Port on 31 January 2008

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The aircraft selected for the flight was a heavily modified Scaled Composites Long-EZ, named Borealis.

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ROTATING DETONATION ENGINE

Engineers at NASA’s Marshall Space Flight Center in Huntsville, Alabama, successfully tested a novel, 3D-printed RDRE for 251 seconds (or longer than four minutes), producing more than 5,800 pounds of thrust.

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NUCLEAR ENGINE

KIWI 1960

NERVA / Phoebus 2A 1968

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PROJECT DRACO

Flight planned for 2027

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THANK YOU!

Pictures with Everyday Astronaut logo:

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https://everydayastronaut.com/rocket-engine-cycles/

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Other pictures sourced mostly from NASA.