Course code: APL746 (3-0-0)
Topics:
Eulerian and Lagrangian descriptions of motion, equations of motion in rotating coordinate system, equation of state, energy equation, stratification, Boussinesq approximation, hydrostatic approximation, static stability
Surface gravity waves, dispersion relation, equations of motion for continuously stratified medium, method of normal modes, internal gravity waves, shallow-water equations, Poincar ́e and Kelvin waves
Vorticity equation, potential vorticity, Taylor-Proudman theorem, geostrophic and thermal wind balance, Rossby waves
Free shear flows, jets, thermals and plumes, neutral buoyancy level, entrainment, plume dispersion models
Kelvin-Helmholtz instability, thermal instability, instability of continuously stratified flows, Taylor-Goldstein equation, Richardson number criterion
Wave–mean interactions, Eliassen–Palm flux
Gravity currents, wind-driven ventilation, buoyancy-driven ventilation and stack effect
Earth’s climate. Indian monsoon and the inter-tropical convergence zone
References:
1. An Introduction to Fluid Dynamics by GK Batchelor. (Cambridge University Press, 1967).
2. Fluid Mechanics by Pijush Kundu and Ira Cohen (6th Edition, Academic Press, 2016)
3. Atmospheric and Oceanic Fluid Dynamics: Fundamentals and Large-scale Circulation by Geoffrey Vallis (2nd Edition, Cambridge University Press, 2017)
4. Geophysical Fluid Dynamics by Joseph Pedlosky (2nd Edition, Springer Verlag, 1986)
Course Code: APL775 (3-0-0)
TAs: Akshit Nanda (amz238673@am.iitd.ac.in), Shivangi (ama232714@iitd.ac.in)
Objectives:
Provide students with tools and and the detailed process of the product design process
Teamwork to address challenges and navigate cross-disciplinary ideas during the stages of product design and development
Ideate a new product or improve an existing product that has marketability, that is financially attractive, and deliver the design of the same by the end of the course
Topics:
Introduction to product design, identification of customer needs, product specifications, Quality Function Deployment, concept generation, concept selection, TRIZ, axiomatic design, concept testing, preliminary design, decision making, modelling, sensitivity, compatibility, stability analysis. Design for manufacturing, material and maintenance. Industrial design, detailed design, prototype/model testing. Preparation of final drawings, preparation of installation and operations manuals.
Reference Books/Journals:
1. Product Design and Development by K. T. Ulrich, S. D. Eppinger, M. C. Yang. 7th Edition. McGraw-Hill (2020).
2. The Mechanical Design Process by D. G. Ullman. 4th Edition. McGraw-Hill (2011).
3. Engineering Design by GE Dieter and L C Schmidt, 4th Edition. McGraw-Hill (2009).
4. The Engineering Design Process by Alita Ertas & J. C. Jones, John Wiley & Sons (1996).
5. Engineering Design Methods by Nigel Cross, 4th Edition. John Wiley & Sons (2008).
6. Journals: ASME Journal of Mechanical Design; Design Studies by Elsevier
Course level: PG Diploma for Naval Officers at IIT Delhi
L-T-P: 3-1-0
Module 01: Introduction, continuum hypothesis, Surface and body forces. Kinematics: Eulerian and Lagrangian description, material derivative, streamline, streaklines, pathlines, flow visualisation. Shear-strain relationship for Newtonian fluids
Module 02: Reynolds transport theorem, governing equations of fluid flow: conservation of mass and momentum, ideal fluid flow
Module 03: Potential flow: Laplace equation, circulation and vorticity, Bernoulli’s equation, vorticity equation, vortex structures and interaction
Module 04: Stratification, exact governing equations for surface gravity waves, modification due to potential flow assumption, linearized (airy) wave theory, characteristics of a linear plane progressive wave, particle orbits. Oblique plane waves, standing waves, oblique standing waves, partial reflection, wave group, energy associated with wave motion
Module 05: Dispersion relation in waves. Wave forces on a body - types of forces, viscous forces, inertial forces, diffraction and radiation forces
Module 06: Thin aerofoil theory, concepts of lifting surfaces, lift and drag, Kutta-Joukowski theorem, Kutta condition, lift due to circulation, slender-body approximation
Module 07: D’Alembert’s paradox, form drag, Michell integral. Laminar boundary layers, drag crisis.
Module 08: Turbulent flows: Mean flow equations, Reynolds stress. Turbulent boundary layers: roughness effects. RANS equations.
Module 09: Introduction to turbulence modelling. Large-eddy simulations and direct numerical simulations. Turbulence models used in marine hydrodynamics problems.
References:
1. Fluid Mechanics by Pijush Kundu and Ira Cohen (Sixth edition, Academic Press, 2016)
2. Turbulent Flows by Stephen B Pope (First edition, Cambridge University Press, 2000)
3. Marine Hydrodynamics by J N Newman (40th anniversary edition, MIT Press, 2017)
4. Fundamentals of Aerodynamics by John D. Anderson (Sixth edition, McGraw Hill, 2017)
5. Turbulence Modelling for CFD by D Wilcox (Third edition, DCW industires, 2006)
Course website: https://sites.google.com/view/apl1002023sem2/home