| 摘要 |
A method of damping surges in a liquid system includes providing in the system, a surge vessel in which there is trapped air or other gas, the surge vessel being positioned so that in the event of a surge in the system (10), the volume of trapped air or other gas within the surge vessel changes to damp the surge, the method including maintaining generally constant the mass of the trapped air or other gas in the surge vessel is maintained generally constant, irrespective of the liquid level within the surge vessel.
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