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Rotating Detonation Rocket Engine

Rotating Detonation Rocket Engine mind map
Recent News
January 6, 2024
NASA tests
Halves travel time to Mars
25,810 newtons of thrust
September 27
3D-printed RDRE tested
2,630 kg thrust
When
Recent tests in 2024
Development since 2010
Why
More efficient space travel
Reduce fuel consumption
What
Continuous detonation wave
Superior to deflagrative combustion
25% more efficient
Disadvantages
Instability
Noise
Where
NASA's Marshall Space Flight Center
Huntsville, Alabama
Who
NASA
US Navy
Naval Research Laboratory
GE
DARPA
RTX
Aerojet Rocketdyne
Daniel Paxson
Glenn Research Center
NPO Energomash
US Air Force
JAXA
Warsaw Institute of Aviation
BPMI
Chongqing University
TWR
How
Detonation wave in annular channel
Fuel and oxidizer injected
Significance
Halves Mars travel time
Potentially cheaper space exploration
Use a wide range of fuels
Challenges
Maintaining stable combustion
Managing high temperatures and pressures
Material degradation
Way Forward
Addressing stability and durability issues
Developing more efficient and powerful engines
Expanding fuel and oxidizer options

In simple terms, the Rotating Detonation Rocket Engine (RDRE) represents a significant advancement in rocket propulsion technology. Unlike traditional rocket engines that rely on deflagrative combustion, the RDRE uses a continuous detonation wave, making it potentially more efficient and powerful. This technology, still in development, promises to reduce travel time to destinations like Mars, offer more cost-effective space exploration, and use a broader range of fuels. However, it faces challenges like achieving stable combustion over long periods, handling high temperatures and pressures, and preventing material degradation.

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