JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Basic Concepts: Introduction to compressible flow, A brief review of thermodynamics and fluid mechanics, Integral forms of conversion equations, Differential conversion equations, Continuum Postulates, Acoustic speed and Mach number, Governing equation for compressible flows.

UNIT - II

One- dimensional compressible flow : One dimensional flow concepts, Isentropic flows, Stagnation/ Total conditions, Characteristics speeds of gas dynamics, Dynamic pressure and pressure coefficients, Normal Shock waves, Rankine-Hugonoit equations, Rayleigh flow, Fanno flow, Crocco' theorem.

UNIT - III

Quasi-one dimensional flows: Governing equations, Area velocity relations, Isentropic flow through variable-area ducts, Convergent divergent (or De Laval) nozzles, Over-expanded and under- expanded nozzle, Diffusers.

UNIT - IV

Two- dimensional Flow: Oblique shock wave and its governing equations, e-B-M relations, The Hodograph and Shock polar, Supersonic flow over wedges and cones, Mach line, Attached and Detached shock , Reflection and Interaction of oblique shock waves, Supersonic flow over convex and concave corners, Approximation of continuous expansion waves by discrete waves.

UNIT - V

Unsteady wave motions: Moving normal shock waves, Reflected shock waves, Physical features of wave propagation, Elements of acoustic Thermal Engineering theory, Incident and reflected expansion waves, Finite compression waves, Shock tube relations.

REFERENCES:

• 1. Gas Dynamics-S.M. Yahya
• 2. Gas Dynamics- Radha Krishnan
• 3. Compressible Fluid Dynamic – B K Hodge, Keith Koenig, Pearson Publications, I edition
• 4. Gas Dynamics- Zucker
• 5. Dynamics and Thermodynamics of compressible fluid flow (Vol.I, II)-Ascher H.Shapiro
• 6. Elements of Gas dynamics -H. W. Liepmann, A. Roshko
• 7. Fundamentals of Gas Dynamics-V.Babu
• 8. Modern compressible flow - John.D. Anderson, Jr.