Given: Two engine inlets, one a straight tube, the other a converging-diverging diffuser - both with M=2.0 at their inlets, T=300.K, p=0.50 atm - both slow flow down to same M. • CD diffuser: reversible flow • straight diffuser: with shock

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Examples: Problem 3
• Given: Two engine inlets, one a
straight tube, the other a
converging-diverging diffuser
- both with M=2.0 at their inlets,
T=300.K, p=0.50 atm
both slow flow down to same M.
• CD diffuser: reversible flow
straight diffuser: with shock
М-2.0
P;=0.50 atm
T=300 K
M.
Te
Pe
PodPoi
• Find: compare performance of these 2 diffusers
Me, Te, Pes PoePoi
• Assumptions:
- air is cpg/tpg with y=1.4
- adiabatic diffusers
- reversible in straight diffuser except at shock
Transcribed Image Text:Examples: Problem 3 • Given: Two engine inlets, one a straight tube, the other a converging-diverging diffuser - both with M=2.0 at their inlets, T=300.K, p=0.50 atm both slow flow down to same M. • CD diffuser: reversible flow straight diffuser: with shock М-2.0 P;=0.50 atm T=300 K M. Te Pe PodPoi • Find: compare performance of these 2 diffusers Me, Te, Pes PoePoi • Assumptions: - air is cpg/tpg with y=1.4 - adiabatic diffusers - reversible in straight diffuser except at shock
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