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Category > Applied Sciences Posted 23 May 2017 My Price 6.00

Calculate the net axial force exerted by the air on the cone

Air at constant density 1.22 kg · m−3 flows in a duct of internal diameter 600 mm and is discharged to atmosphere. At the outlet end of the duct, and coaxial with it, is a cone with base diameter 750 mm and vertex angle 90◦. Flow in the duct is controlled by moving the vertex of the cone into the duct, the air then escaping along the sloping sides of the cone. The mean velocity in the duct upstream of the cone is 15 m ·s−1 and the air leaves the cone (at the 750 mm diameter) with a mean velocity of 60 m ·s−1 parallel to the sides. Assuming temperature changes and frictional effects to be negligible, calculate the net axial force exerted by the air on the cone

 

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Alpha Geek
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Status NEW Posted 23 May 2017 10:05 AM My Price 6.00

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file 1495535153-Answer.docx preview (172 words )
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