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2 cards from this section. Quick, good the night before a test.
What happens to the Mach number across a normal shock?
Recall the transition from supersonic to subsonic flow.
Name one property that increases across a normal shock.
Think about what happens when a shock compresses the flow.
What is the primary effect of a normal shock on flow?
Think about the transition happening in supersonic conditions.
True or False: Normal shocks are isentropic.
What does entropy signify in fluid dynamics?
A supersonic jet with a Mach number of 1.5 experiences a normal shock. Determine the downstream Mach number and corresponding change in pressure if the initial pressure is 100 kPa.
Use the standard relationships for pressure and density changes across shocks.
Analyze how a normal shock would influence the design of a supersonic passenger aircraft. What factors must be addressed?
Consider aerodynamic shape, material stresses, and engine performance.
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