What is it about?
The mixing of fuel and oxidizer in a spacecraft thruster is an important indicator for predicting thruster performance. By measuring the mixing conditions with a sheet laser, the cross section of the mixing spray can be observed in-situ. This advantage was applied to an injection and mixing with flash boiling, which is usually difficult to measure the mixing conditions, and its spray characteristics were determined successfully.
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Why is it important?
We identify conditions that contribute to the prediction of vacuum starting conditions for bipropellant thrusters. This is important in fluid engineering to predict vacuum startup characteristics and to evaluate the operability from the thruster design.
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This page is a summary of: Bipropellant Mixing at Vacuum Startup by Visualization Analysis and Optical Patternator, January 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2024-1396.
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