The velocity of a flow is given as V=-x² i+ (x + 2y) j. where V is in ft/s and X and y are in ft. • What is the volumetric strain rate at X = 0, y = 0? What is the vorticity at X = 0, y = 0? Air at 80° C and standard atmospheric pressure flows through a round pipe 40 cm in diameter at a speed of 9 m/s. • What is the mass flow rate of this air flow?

Elements Of Electromagnetics
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The velocity of a flow is given as V = -x² i + (x + 2y) j. where V is in ft/s and X and y are in ft.
• What is the volumetric strain rate at X = 0, y = 0?
• What is the vorticity at X = 0, y = 0?
Air at 80° C and standard atmospheric pressure flows through a round pipe 40 cm in diameter at a speed of
9 m/s.
• What is the mass flow rate of this air flow?
• What is the specific kinetic energy in this flow?
Transcribed Image Text:The velocity of a flow is given as V = -x² i + (x + 2y) j. where V is in ft/s and X and y are in ft. • What is the volumetric strain rate at X = 0, y = 0? • What is the vorticity at X = 0, y = 0? Air at 80° C and standard atmospheric pressure flows through a round pipe 40 cm in diameter at a speed of 9 m/s. • What is the mass flow rate of this air flow? • What is the specific kinetic energy in this flow?
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