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What happened in turbocharger when it surging condition?

Turbocharger surge is a phenomenon that occurs when the pressure ratio across the compressor is too high, causing the airflow to reverse through the compressor. This can happen when the exhaust gas flow is too low, the compressor inlet pressure is too high, or the compressor outlet pressure is too low.

When surge occurs, the compressor blades can flutter and stall, causing a loud banging noise and a loss of power. In severe cases, surge can damage the compressor blades or even the entire turbocharger.

There are a number of ways to prevent turbocharger surge from occurring, including:

* Properly sizing the turbocharger for the engine

* Using a wastegate to control the exhaust gas flow

* Using a blow-off valve to limit the compressor inlet pressure

* Increasing the compressor outlet pressure

If turbocharger surge does occur, it is important to take immediate action to stop it. This can be done by reducing the engine speed, opening the wastegate, or closing the blow-off valve.

Turbocharger surge is a serious problem that can cause damage to the turbocharger and the engine. However, it can be prevented by taking the proper precautions.

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