Course Description
PhD and MT students of the FTS stream of ME will find this course relevant. Students from related streams of other departments can also opt for it. Course open as DE for fourth year BT students of ME.
INTRODUCTION: configuration of an experimental set-up; similarity principles; sources of error; temporal, spatial and frequency response; calibration; signal-to-noise ratio.
UNCERTAINTY ANALYSIS: Error propagation formula, analysis of scatter, design of experiments based on uncertainty.
DIGITAL SIGNAL PROCESSING: Time, frequency and amplitude domain analysis; Fourier transforms and FFT; Introduction to image processing.
REVIEW OF PROBES AND TRANSDUCERS: lift and drag; velocity measurement using pitot static tube, hot-wire anemometer, LDV, RTD, thermocouples.
INTRODUCTION TO WIND TUNNELS:
OPTICAL INSTRUMENTATION: interferometry, schlieren and shadowgraph methods; analysis of interferograms; introduction to tomography; particle image velocimetry, liquid crystal thermography, Rayleigh and Raman scattering,
TRANSIENT RESPONSE OF PROBES AND INSTRUMENTS: Zeroth, first and second order systems;
Reference: R J Goldstein, Fluid Mechanics Measurements