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Diploma

Gas Dynamics

Introductory concepts of compressible flow, Isentropic one-dimensional flow, Normal shocks – stationary and moving , applications, applications to supersonic wind tunnels, Shock tubes, Supersonic Pitot’ probes, oblique shock, reflection, Prandtl – Meyer expansion flow. Fanno flow & Rayleigh flow. Under and over expanded nozzles, Shock expansion method for flow over airfoils. Brief introduction to the methods of characteristics, Prandtl-Glauert and Goethert rules. Ackeret’s supersonic airfoil theory. Small perturbation equations for subsonic, transonic, supersonic and Hypersonic flow. Experimental characteristics of airfoils in compressible flow

Code BSAS3002
Credits 4 Credits
Type Course
12-Week Roadmap

Course Structure & Syllabus

For details of standard term assessment timelines and exam structures, visit our Academics page.

Week 1
Review of basic concepts: Rotation and dilatation, compressibility in kinematic terms, review of thermodynamics, speed of sound, Equations of conservation of mass and momentum
Week 2
Energy equation, Stagnation state, Bulk modulus and compressibility, Mach number, Non-dimensionalization of equations of fluid motion, Mach number similarity
Week 3
Classification of flow regimes, Isentropy and iso-enthalpy, steady isentropic flow relations and reference conditions (stagnation and sonic)
Week 4
Steady one-dimensional flows: Isentropic quasi-1-D flows, area relation, effect of pressure ratio, choking
Reading List

Prescribed Books & References

  • H. Shapiro, Dynamics and Thermodynamics of Compressible Fluid Flow (Volume 1), John Wiley & Sons