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Sierra Space's VORTEX VRM1500-H uses hypergolic propellants, which have long-term storability in space and spontaneously ignite upon mixing, thereby improving reliability and removing the complexity of a traditional ignition system. Video:

Sierra Space

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18,635 次观看 • 3 年前 •via X (Twitter)

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Russian scientists breakthrough in safer rocket design with model that predicts when space fuel ignites The new mathematical model calculates ignition delay time with high accuracy (within 10–15% error) for hypergolic fuels — propellants that ignite on contact without a spark or heat 🔸The model accounts for heat exchange, evaporation, vapor mixing, and chemical reactions — both in liquid and gas phases 🔸Ignition timing depends on droplet size and temperature; the model accurately predicts both 🔸Larger droplets evaporate faster, but beyond a certain size (about 3 mm), ignition delay time stops changing 🔸The technology allows real-time monitoring of temperature and mixture composition during ignition

Russian scientists breakthrough in safer rocket design with model that predicts when space fuel ignites The new mathematical model calculates ignition delay time with high accuracy (within 10–15% error) for hypergolic fuels — propellants that ignite on contact without a spark or heat 🔸The model accounts for heat exchange, evaporation, vapor mixing, and chemical reactions — both in liquid and gas phases 🔸Ignition timing depends on droplet size and temperature; the model accurately predicts both 🔸Larger droplets evaporate faster, but beyond a certain size (about 3 mm), ignition delay time stops changing 🔸The technology allows real-time monitoring of temperature and mixture composition during ignition

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The morphing system would do a lot of heavy lifting in that regard - also the mixing and matching of eyes/eyebrows/mouths/etc. 🤝 (P.S. - In Blender I don't have a shader which can do point filtering, but yeah, just for context)

The morphing system would do a lot of heavy lifting in that regard - also the mixing and matching of eyes/eyebrows/mouths/etc. 🤝 (P.S. - In Blender I don't have a shader which can do point filtering, but yeah, just for context)

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