Secondly, at any point within a static fluid, the pressure is the same in all directions. Pressure and fluid statics this chapter deals with forces applied by fluids at rest or in rigidbody motion. Physics notes chapter 9 fluid mechanics fluids fluids are materials that flow, which include both liquids and gases. Hence, static pressure is a scalar rather than a vector quantity. The majority of these lecture notes are taken from the authors chapter blood flow in arteries and veins, in the book perspectives in fluid mechanics edited by g k batchelor, h k. A fluid at rest obeys hydrostatic equilibrium where its pressure increases with depth to balance its weight. Density density relates the mass and volume such that mv kg m3 pressure pressure is the result of compacting the molecules of a fluid into a smaller space than it would otherwise occupy. Rigidbody mechanics me101 statics dynamics deformablebody mechanics, and fluid mechanics. Period in a car lift used in a service station, compressed air exerts a force on a small piston having a radius of 5 cm. Nomenclature atm a bhp c cc d d0 f f g h hfs hgs hss hvs h k m m npsha npshr n p p pc pp q re s v. Lecture notes in fluid mechanics laurent schoeffel, cea saclay these lecture notes have been prepared as a first course in fluid mechanics up to the presentation of the millennium problem listed by the clay mathematical institute. Ghori published by west pak publishing company pvt ltd. Freely browse and use ocw materials at your own pace.
Fluid mechanics complete lecture notes ebook free download pdf the density of a material can be considered continuous except at the molecular level. The material derivative lagrangian and eulerian descriptions thermophysical properties compressibility effects in gases. Only a good knowledge of classical newtonian mechanics is assumed. Engineering mechanics pdf notes em pdf notes unit v analysis of perfect frames analytical method types of frames assumptions for forces in members of a perfect frame, method of joints, method of sections, force table, cantilever trusses, structures with one end hinged and the other freely supported on rollers carrying. Static pressures remain almost unchanged, and therefore the density of the gas is also not changed. Fluid statics me 305 fluid mechanics i part 2 fluid statics. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington. Download free fluid mechanics by rk bansal pdf book fmhm 9th edition. These internal frictional force is called viscous force. Dzelalija, physics mechanics physics is concerned with the basic principles of the universe is one of the foundations on which the other sciences are based is tipical experimental science the beauty of physics lies in the simplicity of its fundamental theories the theories are usually expressed in mathematical form mechanics. Pressure and fluid statics pressure for a static fluid, the only stress is the normal stress since by definition a fluid subjected to a shear stress must deform and undergo motion.
Class 11 chap 10 mechanical properties of fluids 01. Fluid statics or hydrostatics is the study of fluids at rest. A fan or blower is a machine whose primary objective is to move the gas. Solution manual mechanics of materials 4th edition beer johnston fluid mech lecture 1 notes lectures 6 7 exact solution and boundary layers cp 10 drag force cp 10 solutions drag force cp 11 solutions drag reduction.
Application of a force, f, to piston will increase the pressure, p, in the fluid and cause the volume decrease dv. Engineering fluid mechanics staffordshire university. Questions are posed to the class to stimulate discussion and indicate how concepts are going over. Part 1 basic principles of fluid mechanics and physical. Oldest of the physical sciences archimedes 287212 bc. The main equation required for this is newtons second law for nonaccelerating bodies, i. Compared to the sixth edition, this new edition has had a large number of changes made in terms of presentation of ideas, new material, and additional examples. Density can also be thought of as the constant that relates mass to volume. Mechanics is a branch of the physical sciences that is concerned with the state of rest or motion of bodies subjected to the action of forces. Engineering fluid mechanics 4 contents contents notation7 1 fluid statics 14 1. The fluid property responsible for those forces is pressure, which is a normal force exerted by a fluid per unit area. Fluid mechanics pdf notes fm pdf notes smartzworld. From 1, the pressure at the wall of any vessel is perpendicular to the wall 3.
Classical mechanics is a foundation of various mechanics topics such as strength of materials, fluid mechanics, machine design, mechanical vibrations, automatic control, finite. Specific volume is the volume of a fluid v occupied per unit mass m. The mechanics of compression of a fluid may be demonstrated by imagining the cylinder and piston of fig. This engineering mechanics books collection list is not the final book list. Forces on submerged surface study notes for mechanical. Principles of fluid mechanics stationary layer with zero velocity pressure, p 1 pressure, p 2 figure 41 fluid flow through a pipe a streamline is an imaginary line in a fluid, the tangent to which gives the direction of the flow velocity at that position, as shown in figure 42, where the distance between two streamlines is an. Understand and solve the problems related to equation of motion. Find materials for this course in the pages linked along the left.
Pressure is the force per unit area acting on a surface. Pdf engineering mechanics books collection free download. The stress is placed on the actual physics of the flows and the use of specialized mathematical methods is kept to a minimum. Vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydro static law, etc. Mechanics of fluids fluid mechanics mechanical engineering.
In the equations below, the forces and moments are those that show on a free body diagram. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington, ky 405060503 c 1987, 1990, 2002, 2004, 2009. This body could be the overall system of study or any part of it. Fluid mechanics and thermodynamics of turbomachinery. This equation may be derived by considering the static equilibrium of a typical differential element of fluid fig. Dividing by x and rearranging gives 37 where gs rg is the specific weightof the fluid. Fluid mechanics complete lecture notes ebook free download pdf. Ce8302 notes fluid mechanics regulation 2017 anna university. Pressure variation in a static fluid the fundamental equation of fluid statics is that relating pressure, specific mass and vertical distance in a fluid. Introduction fluid mechanics concerns the study of the motion of fluids in general liquids and gases and the forces acting on them. Physics fluid mechanics statics worksheet 1 mafiadoc.
Summary of mechanics 0 the laws of mechanics apply to any collection of material or body. After going through manometry and buoyancy chapter. We will be frequent update the new books in this list as per viewers comments and shares. Fluid machinery is the perfect approach to understand other subjects like turbomachinery, heat and mass transfer, etc. This class includes the opportunity for students to use the personal response system prs. Interacting bodies cause equal and opposite forces and moments on each other. In other words, it is the ratio of force on a fluid to the area of the fluid held perpendicular to the direction of the force. Publication date 12000909 usage public domain mark 1. A comprehensive overview on the fundamentals of mechanics is presented in this chapter. This pressure is transmitted to a second piston of radius of 15 cm. In our analysis of fluids it is necessary to understand the concepts of density and pressure.
The goal of this engineering mechanics course is to expose students to problems in mechanics as applied to plausibly realworld scenarios. Fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams. Physics notes class 11 chapter mechanical properties of fluids part 2 viscosity the property of a fluid by virtue of which an internal frictional force acts between its different layers which opposes their relative motion is called viscosity. Engineering mechanics pdf notes em pdf notes smartzworld. Like any mathematical model of the real world, fluid mechanics makes some basic assumptions. The continuum viewpoint and the equation of motion. This book is very popular for mechanical engineering student for use of as reference book, gate preparation, competitive exam preparation, campus. Fundamental fluid and flow properties, fluid statics, integral formulation of fluid flow, bernoulli equation, differential formulation of fluid flow, similitude and dimensional analysis, viscous flow in pipes and ducts, irrotational flow, viscous flow, turbomachinery, compressible flow. A compressor is a machine whose primary objective is to increase the pressure of the gas, which is accompanied by an increase in the density of the gas. In a moving fluid there will be both static and dynamic pressure definitions. These books are used by students of top universities, institutes and colleges. In an incompressible static fluid whose density is. This book contains 21 chapter with objective type question.
Dzelalija, physics the international system of units to report the result of a measurement of a certain physical quantity, a unit for the quantity must be defined. Pressure of a fluid is the force per unit area of the fluid. We shall discover later that the situation is rather different when the dynamic forces of a moving fluid stream are considered section 2. Physics notes class 11 chapter mechanical properties of fluids part 2 viscosity the property of a fluid by virtue of which an internal frictional force acts between its different. The students completing this course are expected to understand the concepts of forces and its resolution in different planes, resultant of force system, forces acting on a body, their free body diagrams using graphical methods. Pressure at any point in a fluid is the same in all directions and is transmitted through static fluids without loss pascals principle 2. Fluid mechanics is a branch of continuous mechanics which deals with a relationship between forces, motions, and static conditions in a continuous material. Classical mechanics is a foundation of various mechanics topics such as strength of materials, fluid mechanics, machine design, mechanical vibrations, automatic control, finite elements, and so on. Points at the same depth below the surface are all at the same pressure, regardless of the shape fluid mechanics key facts 25. Forces on submerged surfaces in a static fluid is also an important section. Engineering mechanics pdf 1st year notes pdf download. For a fluid at rest, pressure at a point is independent of direction, which is known as pascals law. Physics notes class 11 chapter mechanical properties of.
Learn more about pressure, buoyant force, and flowing fluid so you can appreciate the sometimes invisible, but crucial, effect they have on us and the world around us. Download cbse notes, neet notes, engineering notes, mba notes and a lot more from our website and app. Aug 01, 2019 fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams. Download a reference book of fluid mechanics and hydraulic machinery. Engineering mechanics pdf 1st year notes pdf download books.
The top and best engineering mechanics books collections are listed in the below table as well as engineering mechanics books pdf download link. Bahrami fluid mechanics s 09 fluid statics 6 2 jumping across u. Atmospheric pressure is like an invisible friend who is always squeezing you with a big hug. The compiled slides of the introductory fluid mechanics course a fundamental course in mechanical engineering prepared by professors sankar kumar som of iit kharagpur and gautam biswas of iit kanpur. Fluid mechanics notes pdf fm notes pdf starts with the topics covering introduction to dimensions and units physical properties of fluids specific gravity, viscosity, surface tension. Recall that p is a scalar, which when in contact with a solid surface exerts a. Because of this pressure difference, there is a net upward force that a fluid applies to. Oct 31, 2018 unsubscribe from physics wallah alakh pandey. It deals with horizontal, vertical and curved surfaces submered under fluid and the various forces applied on these section. Thus, we conclude that the pressure difference between two points in a constant density fluid is propor. Find and study its derivation in your fluid mechanics book.
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