Gas Dynamics

IIT Madras Course , Prof. T.M. Muruganandam

Lecture 1:

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Lecture Details :

Gas Dynamics by Dr. T.M. Muruganandam, Department of Aerospace Engineering, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in

Course Description :

concenpts : Compressibility - Thermodynamic concepts - Conservation equations - Communicatio in gases - Stagnation state - One Dimensional Flow : Pressure waves in gases - Communication in gases - Stagnation state - Differential equations for 1D flow - Isentropic Flow with aera variations - Numerical examples - Normal Shocks : Normal Shock Concept - Normal Shock relations - Moving normal shocks - Numerical Examples (stationary &moving) - Oblique shocks : Concept and theory - Oblique Shock relations - Property variations - Other shocks : Detached Shocks - Shock Reflections - Numerical Examples - Shock-Shock Interactions - Expansions : 1-D Expansion wave - Expansion Fan - Prandtl Meyer Function - Smooth expansions/compressions - Numerical Examples

Shock Expansion Theory : Theory, Examples and its applications - Nozzle flow : Quasi-1D flow with area variations - Geometric Choking - Numerical Examples - Divergent Nozzles - Convergent-Divergent Nozzles - Numerical Examples - Multiple Choking points - Supersonic Jet : Jet structure - Numerical Examples and Supersonic Shear layers - Non-isentropic flows : Crocco's Theorem - Fanno Flow - Numerical Examples - Rayleigh Flow - Numerical Examples - Various Choking mechanisms, - Ramjets and scramjets - Experimental setups - Shock Tubes - Compressibe flow facilities - Measurement Technique - Experiment Design - Flow visualisation - Schlieren, Shadowgraph, Interferometry - 2D Method of Charachteristics : Characteristics concept - Characteristic directions; and constitutive relations - Subroutines,Marching techniques - Example simulations - Unsteady flow phenomena

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