18AE35 Mechanics Of Fluids syllabus for AE

Basic Considerations:

Introduction, Dimensions- Modules and physical quantities, Continuum view of gases and liquids, Pressure and Temperature scales, Physical properties of fluids.

Fluid Statics:

Pressure distribution in a static fluid, Pressure and its measurement, hydrostatic forces on plane and curved surfaces, buoyancy, illustration by examples.

Fluids in motion:

Methods of describing fluid motion, types of fluid flow, continuity equation in 3 dimensions, velocity potential function and stream function. Types of motion, Source sink, doublet, plotting of stream lines and potential lines Numerical problems.

Fluid Kinematics:

Kinematics of fluid motion and the constitutive equations, Integral (global) form of conservation equations (mass, momentum, energy) and applications, Differential form of conservation equations (continuity, NavierStokes equations, energy equation).

Fluid Dynamics:

Equations of motion: Euler’s and Bernoulli’s equation of motion for ideal and real fluids. Momentum equation, Fluid flow measurements. Numerical problems.

Dimensional analysis and similarity:

Dimensional homogeneity, methods of dimensional analysis, model analysis, types of similarity and similitude. Dimensionless numbers. Model laws. Numerical problems.

Flow past Immersed bodies:

Introduction to boundary layer, boundary layer thickness, karman’s integral momentum theory, drag on a flat plate for laminar and turbulent flow, Drag on immersed bodies. Expression for drag and lift. Kutta – joukowsky theorem; Fundamentals of aerofoil theory Numerical problems.

Compressible flow and Boundary Layers theory:

Steady, one-dimensional gas dynamics, Propagation of pressure waves in a compressible medium, velocity of sound, Mach number, Mach cone, Stagnation properties, Bernoulli’s eqn for isentropic flow, normal shock waves. Numerical Problem; Laminar and turbulent boundary layers.

Course Outcomes:

At the end of the course the student will be able to:

• CO1: Evaluate the effect of fluid properties.
• CO2: Apply the governing laws of fluid flow.
• CO3: Classify different types of fluid flows.

Question paper pattern:

• The question paper will have ten full questions carrying equal marks.
• Each full question will be for 20 marks.
• There will be two full questions (with a maximum of four sub- questions) from each module.
• Each full question will have sub- question covering all the topics under a module.
• The students will have to answer five full questions, selecting one full question from each module.

Textbook/s

1 Fluid Mechanics and Hydraulics Machines Bansal, R.K Laxmi Publications (P) Ltd., New Delhi 2015

2 Fluid Mechanics Rathakrishnan. E Prentice-Hall of India Pvt. Ltd 2010

Reference Books

1 Fluid Mechanics and Applications Yunus A. Cengel & John M Cimbala McGraw Hill Education; 3 rd edition,2013

2 Hydraulic Fluid Mechanics and Fluid Machines Ramamritham. S Dhanpat Rai& Sons, Delhi 1988

3 Engineering Fluid Mechanics Kumar. K.L Eurasia Publishing House (P) Ltd., New Delhi VII Ed.,1995

4 Fluid Mechanics Streeter. V. L., and Wylie, E.B McGraw Hill 1983