Researchers have developed new soundproofing buffers to address the tunnel boom issue caused by high-speed trains. These shocks occur as trains exit tunnels due to compressed air creating fluctuations in pressure. The new buffers can reduce shock waves by 96%, improving safety and reducing noise pollution. The tunnel boom phenomenon poses risks to both people and structures. Higher train speeds exacerbate this problem, causing significant disturbances even in shorter tunnels. The innovative design of the buffers allows trapped air to escape, effectively suppressing unwanted shock waves.
Researchers have discovered that placing innovative soundproofing buffers at tunnel mouths can reduce shock waves caused by high-speed trains by up to 96%. This can improve operational safety, reduce noise pollution, and enhance passenger comfort while protecting wildlife nearby.
Tunnel booms occur when high-speed trains exit tunnels, generating low-frequency shock waves that can disturb nearby humans and animals and cause structural damage. For a train at 600km/h, a boom occurs in a tunnel just 2km long.
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