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I need to design an air nozzle for a compressed air system with multiple outlets. All...

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Mechanical Engineering

I need to design an air nozzle for a compressed air systemwith multiple outlets. All I know about the current system is thereis 109 psi available in the air line. If I use the mass flow rateequation for a compressed ideal gas, how do I know the pressurehasn’t dropped in the line to decrease the Mach number as Iincrease the area of the nozzles? If the flow is choked, will thevelocity remain constant as area increases? At what point does theincrease in area start to decrease the velocity of the flow?

Answer & Explanation Solved by verified expert
4.3 Ratings (790 Votes)
We will assume that the prsesure at the entry of the nozzle 109 psi regardless the number of outlets usedAs it is the function of the air line to always supply air atpressure of 109 psiSo after the above assumption inlet conditions are fixedPressure    See Answer
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