For Air: y = 1.4 Question B1 a) With the aid of sketches give a clear account of the operation of convergent nozzles as a function of back pressure. In your answer clearly indicate the critical points (pressure ratios) along the pressure ratio axis. A part of the expansion of new teaching and research facilities at QMUL, a new two dimensional blow- down supersonic jet facility is going to be designed, manufactured and installed at our Whitehead Aeronautical Laboratory, Figure QB1. The design Mach number for this facility is M₁ = 2.0. b) Determine the required area ratio (Aj R=287J/kgK c) What should be the supply pressure to the nozzle (P₁) in order to have a normal shock wave at a Ax) A A₂ location at which the area ratio (- A₁ You may assume P ) for this design Mach number. A₁ A atm d) For part c, what would be the discharge mass flow rate per unit throat area? =105 N/m² and T₁ = 300K. Settling Chamber Ро To is 1.5? Convergent-Divergent Nozzle Ą A A A₁ Schematic of a Supersonic Jet Facility Figure OB1 P atm

For Air: y = 1.4 Question B1 a) With the aid of sketches give a clear account of the operation of convergent nozzles as a function of back pressure. In your answer clearly indicate the critical points (pressure ratios) along the pressure ratio axis. A part of the expansion of new teaching and research facilities at QMUL, a new two dimensional blow- down supersonic jet facility is going to be designed, manufactured and installed at our Whitehead Aeronautical Laboratory, Figure QB1. The design Mach number for this facility is M₁ = 2.0. b) Determine the required area ratio (Aj R=287J/kgK c) What should be the supply pressure to the nozzle (P₁) in order to have a normal shock wave at a Ax) A A₂ location at which the area ratio (- A₁ You may assume P ) for this design Mach number. A₁ A atm d) For part c, what would be the discharge mass flow rate per unit throat area? =105 N/m² and T₁ = 300K. Settling Chamber Ро To is 1.5? Convergent-Divergent Nozzle Ą A A A₁ Schematic of a Supersonic Jet Facility Figure OB1 P atm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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