Unit 1

Review of Thermodynamics: Energy Equation – Compressible Flows: Isentropic Flow, Stagnation Properties. Propagation of Sound, Mach number, Distinction between Subsonic and Supersonic flows, the Acoustic Equation, Finite Waves, Formation of Shock waves.

Unit 2

Flow Through Varying-area Ducts – Normal Shock Wave – Oblique Shock Wave – Shock Polar – Shock Wave Interactions – Prandtl-Meyer Expansion – Effect of Back Pressure on Nozzle Flows – Supersonic Wind Tunnels.

Unit 3

Fanno Flow – Rayleigh Flow – Representation of Shock Waves on the T-S Diagram – Small Perturbation Theory – Similarity Rules – Introduction to the Method of Characteristics.

Objectives

• Introduce students to the basics of compressibility of flow and the related phenomena.
• Enable them to analyse subsonic and supersonic flows with simplified analytical models.
• Provide an introduction to the applications of compressible flow analysis in aerospace engineering.

Course Outcomes

• CO1: Study the formation and analysis of shock waves
• CO2: Analyse expansion waves.
• CO3: Learn about compressible flow through CD nozzles.
• CO4: Study the impact of friction and heat transfer on compressible flow

CO – PO Mapping

Textbook(s)

• John D Anderson, “Modern Compressible Flow,” 3^rd edition, Mcgraw-Hill, 2002.

Reference(s)

• Shapiro.A.H, “The Dynamics and Thermodynamcis of Compressible Fluid Flow,” Vol.1, Ronald Press Company, 1977.
• Zucker.R.D and Biblarz.O, “Fundamentals of Gas Dynamics,” 2^nd edition, John Wiley, 2002.

Evaluation Pattern