Japan’s Shinkansen bullet trains travel at speeds exceeding 300 km/h, pushing the limits of rail engineering. But early high-speed models faced an unexpected problem: when trains exited tunnels, they created powerful air pressure waves that sounded like miniature sonic booms—disturbing nearby communities. As a train speeds through a tunnel, it compresses air in front of it like a piston. When that compressed air suddenly escapes at the tunnel exit, it can produce a loud pressure blast. The faste
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Japan’s Shinkansen bullet trains travel at speeds exceeding 300 km…
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This miniature capsule shoots off at 4000 km per hour, mimicking the aerodynamics of a Mars atmospheric entry before crashing at supersonic speeds. This activity is part of a series of experiments with a scaled-down version of the ExoMars landing module – measuring just 8 cm in diameter compared to the actual 3.8-metre spacecraft that will carry the Rosalind Franklin rover. The tiny replica of the Entry, Descent and Landing Module (EDLM) blasts off from a bore gun faster than a speeding bullet.
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This miniature capsule shoots off at 4000 km per hour, mimicking the a…
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🚄 Why Japan’s Bullet Trains Have That Unique Nose Design! This aerodynamic shape smooths air pressure changes, ensuring a quieter, safer, and more comfortable ride for everyone. ✨ #civilengineering #theconstructor #civilengineer #civilconstruction #shinkansen #aerodynamics #highspeedrail #engineeringdesign #transportinnovation #japanengineering #railwaytechnology Video/Audio Courtesy: Smart Wonders DM for credit or removal requests. Use is intended only for knowledge and information purposes. |
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🚄 Why Japan’s Bullet Trains Have That Unique Nose Design! This ae…
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