Unit 1

Introduction – Basic Considerations and Definitions – Videos of Atmospheric Re-Entry – Thin Shock Layer – Entropy Layer – Viscous Interaction – Low Density Flows – High Temperature Effects – Visual Presentation of Damages Due to High Temperature Effects – Hypersonic Flight Paths.

Unit 2

Inviscid Hypersonic Flow Theory: Shock Expansion Method, Surface Inclination Methods – Small Disturbance Equations and Approximate Methods – Similarity Laws.

Unit 3

Exact Methods – Method of Characteristics Review – Unit Processes for Method of Characteristics: Planar, Axisymmetric and 3-D Flows – Blunt Body Problem and Shock Interaction Types – Modern Computational Methods – Introduction to Viscous Hypersonic Flows.

Course Objectives

• To appreciate the difference and commonalities between supersonic and hypersonic flows.
• To understand the basic physics of hypersonic flow and their applications in space shuttles, atmospheric re-entry, scramjet engines and other practical situations.
• To understand and apply approximate and exact methods in hypersonic flow theory.

Course Outcomes

• CO1: Identify the critical flow physics phenomenon influencing hypersonic and planetary re-entry flows.
• CO2: Explain the recent developments in hypersonic flow theory with application to Aerospace Systems.
• CO3: Utilize Shock-Expansion theory, Surface inclination method, and Newtonian theory for the estimation of pressure distribution of simple shapes.
• CO4: Formulate and solve the problems involving invicid hypersonic flow over blunt bodies.
• CO5: Interpret the influence of viscous effects in the hypersonic flow over simple shapes.

CO – PO Mapping

Textbook(s)

• John D. Anderson, “Hypersonic and High Temperature Gas Dynamics,” McGraw Hill, 2002.

Reference(s)

• Wallace D. Hayes and Ronald F. Probstein, “Hypersonic Flow Theory,” 2^nd edition, Academic Press, 1959.

Evaluation Pattern