X-rays and AI reveal how spacecraft heat shields burn in real time
Aerospace EngineeringMaterials SciencePhysics
THE AI ANGLE
Upscaling fast intermediate-resolution scans into high-resolution 3D imagesNASA and Berkeley Lab researchers used X-ray tomography and machine learning to image spacecraft heat shield degradation in real time up to 900 degrees Celsius. The scans showed how different ablative materials hollow out or form venting microchannels under heat. These observations provide physical structural data previously missing from post-test reentry analyses.
THE TEACHING ANGLE
Testing chambers can reproduce reentry temperatures and atmospheric gases, but they still omit air velocity.Read the original at phys.org Generate teaching or study materials
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