For the Slurry Carbon propulsion system, I propose a Mix-on-Demand injection architecture rather than pre-mixed storage. This solves the challenge of nanoparticle sedimentation during long-duration deep-space coasting.
The Venturi Canal: The Liquid Oxygen (LOX) is stored in a primary header tank, pressurized via solar-thermal boiling. During operation, LOX is channeled through a specialized "Mixing Canal."
Carbon Aspiration: A dry hopper containing the carbon nanoparticles is connected to this canal via a precision-machined thin slot. As the LOX flows through the Venturi narrowing, the resulting pressure drop (Bernoulli’s Principle) naturally "aspirates" or sucks the carbon into the stream.
Passive Fluidization: To ensure the nanoparticles do not clump in the extreme cold, the hopper utilizes a low-power piezoelectric vibrator. This maintains the powder in a fluid-like state, ensuring a consistent mixture ratio without complex mechanical augers.
External Combustion Advantage: Because the ignition and combustion occur externally, the mixing process only needs to be "sufficiently turbulent" to sustain the burn. The complexity of internal combustion stability is avoided, making the system significantly more reliable and fail-safe than traditional bi-propellant engines.
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