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MECH 448 Compressible Fluid Flow Units: 3.50
High-speed gas flows like those found in rockets, airplanes, turbomachinery, and gas handling equipment exhibit different physics compared to standard incompressible flows. This course establishes when compressibility must be accounted for, develops the key governing equations, and covers standard compressible flows such as shock waves, expansion waves, and converging/diverging nozzles. Advanced concepts such as rarefied gas dynamics, hypersonics, and high temperature gas dynamics are introduced. Emphasis is on the use of computational tools and the application of theory to devices such as rocket nozzles, aircraft intake systems, and shock tubes.
(Lec: 3, Lab: 0, Tut: 0.5)
(Lec: 3, Lab: 0, Tut: 0.5)
Requirements: Prerequisites: MECH 341, MECH 330, or permission of the instructor
Corequisites:
Exclusions:
Offering Term: W
CEAB Units:
Mathematics 0
Natural Sciences 0
Complementary Studies 0
Engineering Science 42
Engineering Design 0
Offering Faculty: Smith Engineering
Course Learning Outcomes:
- Recognize when compressibility effects are important
- Develop models for stationary and moving shock and expansion waves, including normal and oblique waves.
- Determine the effects of viscous stresses and heat transfer on compressible fluid flows (Fanno and Rayleigh flows).
- Characterize compressible gas flow through variable-area ducts, including convergent/divergent (de Laval) nozzles.
- Describe the basic characteristics of rarefied, hypersonic, and high temperature gas flows.
- Apply theory to describe compressible gas flow in key applications such as rocket nozzles, engine intake systems, re-entry, shock tubes, and gas handling equipment.
- Model compressible flows using modern computational tools.