What is the primary fuel used for scramjet engines due to high intake temperatures?
Understand the Problem
The question is inquiring about the specific type of fuel that is primarily used in scramjet engines, especially considering the high temperatures experienced during intake. It is framed as multiple-choice, requiring identification of the correct answer from the options provided.
Answer
Hydrogen
The primary fuel used for scramjet engines is hydrogen.
Answer for screen readers
The primary fuel used for scramjet engines is hydrogen.
More Information
Hydrogen is favored for scramjet engines due to its wide flammability limits, high diffusivity, and its ability to ignite with minimal energy, which suits the high-temperature conditions of scramjet operation.
Tips
A common mistake is assuming that conventional fuels like kerosene are used, but they require a longer engine for complete combustion.
Sources
- Scramjets - an overview | ScienceDirect Topics - sciencedirect.com
- Scramjet - Wikipedia - en.wikipedia.org
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