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State the three fan laws for variation in speed as well as the three fan laws for variation in density. A certain fan running

State the three fan laws for variation in speed as well as the three fan laws for variation in density. A certain fan running at 800 rev/min delivers 15,3 m/s of air against a total pressure of 280 Pascal. The power absorbed by the fan is 10,8 kW. Calculate the new air volume, pressure and power requirements if the fan speed is increased to 1000 rev/min.

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