Introduction to tensors – introduction to theory of elasticity – strain and stress descriptions – stress-strain relations – thermal stresses – plane stress and plane strain – stress functions – torsion of solid sections – virtual work-energy methods – fracture mechanics – introduction of dynamics of structures.
Theory: Types of wind tunnels – uncertainty analysis – measurement & flow visualization tech- niques– basics of data acquisition and signal processing.
Experiments: Measurement of lift and drag on airfoil and cylinder using various methods (pressure measurements, wake survey, and force balance) – flow visualization (smoke, oil, and optical) – free jet characteristics.
Examples of controlled systems, open loop and feedback control, control system components – mod- eling of physical systems, block diagrams – review of Laplace transform, transfer function – time domain and frequency domain responses – stability, poles and zeros, Routh-Hurwitz criterion – root locus – Bode plot, Nyquist criterion – PID controller, lead and lag compensators – examples from aerospace and mechanical systems – introductions to state-space representation – stability criterion – concepts of controllability and observabilty.
Dynamics of Particles: reference frames and rotations – energy, angular momentum.
Two Body Motion: equations of motion – Kepler laws – solution to two-body problem – conics and relations – vis-viva equation – Kepler equation – orbital elements – orbit determination – Lambert problem – satellite tracking – different methods of solution to Lambert problem.
Non-Keplerian Motion: perturbing acceleration – earth aspherical potential – oblateness – third body effects – atmospheric drag effects – application of perturbations.
Theory: Role of metrology in aerospace engineering and traditional measurement practices – measurements of form errors – limit gauges – comparators – surface roughness and related parameters.
Experiments: Lab practice on linear and angular measurements – optical measurements – mea- surement of screws/gears – measurement of form errors – measurement of roughness – inspection practices using comparators – interpretation of shop floor drawings and the related measurement exercises using typical engineering/aerospace components.
Measurements using Pitot-static tube for gas (air) flow – Orifice-meter and venturi-meter for liquid (water) flow through pipe – Laminar and turbulent flow through pipes, pressure drop – Thermal conductivity measurements of solids – Heat transfer by radiation – Forced and natural convection – Heat exchangers: LMTD, pressure drop – heat transfer coefficient – Pump and turbine efficiencies – CoP of vapor compression refrigeration cycles – Efficiency and BHP of SI and CI engines – Performance test of compressors and blowers.
Introduction to Social Sciences: Natural science and social science – social science perspective: char- acteristics – the general theory of social science: Comte, Durkheim, Marx – subdivisions of social sciences: sociology, anthropology, ethnography, political science, economics, psychology and philoso- phy – social science and space.
Significance of machining processes in engineering/aerospace applications Theory and mechanics of machining processes Abrasive based precision machining processes and applications Configuration and operation of general purpose machine tools
Machinability of aerospace materials- Selection of cutting tools and cutting parameters- Tribological aspects of machining- Design considerations and preparation of drawings for machining.
Review of kinematics and dynamics of particles – kinematics and dynamics of rigid bodies – constraint dynamics applied to mechanisms – conservation laws for rigid bodies.
Vibration of single dof systems – response of single dof system to transient loadings – multi dof systems and mode superposition.
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