Gasdynamics: Fundamentals and Applications
Indian Institute of Science Bangalore and NPTEL via Swayam
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12
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Overview
This is an elective course suitable at advanced undergraduate or postgraduate levels. Participants must have undergone a basic course in fluid dynamics and thermodynamics and must be familiar with the solution of ordinary differential equations and partial differential equations.
The assignments and final exam shall be conducted online. Typical numerical examples will be discussed in the lectures, and practice problems will be supplied. Assignments will be of an applied nature where some problems must be solved using simple numerical techniques on the computer. Tests will involve both conceptual and numerical type questions.
INTENDED AUDIENCE :Engineering students of Aerospace, Mechanical, Chemical, Applied Mechanics can take this course. Students of Physical sciences also can take the course.PREREQUISITES : Fluid Dynamics, Thermodynamics, Solution of ODE and PDE, Basic numerical techniques.INDUSTRIES SUPPORT :ISRO, DRDO, HAL, Brahmos Aerospace, Bharath Dynamics, Triveni Turbines, Bellatrix Aerospace
Syllabus
COURSE LAYOUT
Week 1:Introduction (Why study gasdynamics, Mach number, and flow regimes)Thermodynamics (Review of basics, Calorifically perfect gas, and Thermally perfect gas) (2 Lectures)Week 2:Flow Equations (Integral forms and Differential forms)
Quasi-1D Flow (The quasi-1D approximation, speed of sound)
Isentropic Flow (Stagnation properties and Star properties, Compressible Pitot )Week 3:Normal Shock Wave (principle and derivation of flow properties across the normal shock, Rayleigh Pitot formula)
Moving Shock Wave and its ReflectionWeek 4:Unsteady 1D flow and the shock tube
Oblique Shock Wave
Prandtl Meyer Expansion (Shock-expansion analysis of diamond airfoil)
Week 5:Compressible flow through variable area ducts (choking phenomena, normal shock in supersonic flow) 2 Lectures
Nozzle flow and Operating points (underxpanded and overexpanded flow)Week 6:Diffuser flow and flow starting
High-speed wind-tunnel operation
High-speed air intakes and their characteristicsWeek 7:One Dimensional Flow with Friction Fanno flow (2 Lectures)Week 8:One Dimensional Flow with Heat Addition Rayleigh flow (2 Lectures)
Week 9:Generalized Quasi-1D Flow (a typical example of nozzle flow with friction, and heat release in variable area duct) (2 lectures)
Velocity Potential Equation for compressible flow (1 lecture)Week 10:Small perturbation theory and applications (2 Lectures)
Method of Characteristics (MOC) for Steady Supersonic FlowsWeek 11:Design of supersonic nozzle contour using MOC Week 12:Introduction to Shock-wave boundary layer interaction (Special topic)
Introduction to Hypersonic flow (Special topic)
Taught by
Prof.Srisha Rao M V
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