Describe the principle of duct fan?
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The duct reduces losses in thrust from the tips of the propeller blades and wearing the cross section of the duct allows the designer two advantageously affect the velocity and pressure of the air flow according to Bernoulli's principle
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ok these is the answer
Explanation:
the duct reduces losses in thrust from the tips of the propeller blades and wearing the cross section of the duct allows the designer twi advantageously affect the velocity and pressure of the air flow according to Bernoulli 's principle
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