Unit 1

Examples of Fluid Mechanics Measurements: Wind-Tunnel Studies, Turbulent Mixing Layer, Spatial and Temporal Resolution in Measurements, Classification of Deterministic Data, Random Data, Signal Analysis and Uncertainty Analysis.

Unit 2

Qualitative Characterization: Flow Visualization in Liquid and Gaseous Medium, Colored Filament, Smoke, Vapor and Tufts Visualization, Image Processing Techniques, Identifying Structures – Optical Systems for Flow Measurement: Shadowgraph, Schlieren and Interferometric Techniques

Unit 3

Quantitative Characterization: Drag Measurements, Static Probes, Pressure Sensitive Paints (PSP), Velocity Measurements, Pitot-Static Probe, Theromocouple, Thermal Anemometers (Hot Wire and Film Sensors), Laser Velocimetry (LDA), Particle Image Velocimetry (PIV).

Course Objectives

• In order to get a flavor and hands on experience in measurement techniques and data analysis pertinent to fluid mechanics.

Course Outcomes

• CO1: Understand and appreciate the fundamentals of measurements and turbulence in experimental aerodynamics.
• CO2: Know the various flow visualization techniques and their applications for different scenarios
• CO3: Understand various velocimetry techniques and instrumentation.

CO – PO Mapping

Textbook(s)

• Cameron Tropea, Alexander L Yarin, John F Foss, “Springer Handbook of Experimental Fluid Mechanics,” Springer, 2007.

Reference(s)

• Richard J Goldstein, “Fluid Mechanics Measurements,” 2^nd edition, Taylor & Francis, 1996.
• Wolfgang Merzkirch, “Flow Visualization,” Academic Press, 1974.

Evaluation Pattern