A fluid at rest obeys hydrostatic equilibrium where its pressure increases with depth to balance its weight. Bahrami fluid mechanics s 09 fluid statics 6 2 jumping across u. From 1, the pressure at the wall of any vessel is perpendicular to the wall 3. Engineering fluid mechanics 4 contents contents notation7 1 fluid statics 14 1. Fluid mechanics pdf notes fm pdf notes smartzworld. Publication date 12000909 usage public domain mark 1. The main equation required for this is newtons second law for nonaccelerating bodies, i. Points at the same depth below the surface are all at the same pressure, regardless of the shape fluid mechanics key facts 25. In a moving fluid there will be both static and dynamic pressure definitions. Ce8302 notes fluid mechanics regulation 2017 anna university. Atmospheric pressure is like an invisible friend who is always squeezing you with a big hug. It deals with horizontal, vertical and curved surfaces submered under fluid and the various forces applied on these section.
Fluid statics me 305 fluid mechanics i part 2 fluid statics. After going through manometry and buoyancy chapter. 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. 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. The top and best engineering mechanics books collections are listed in the below table as well as engineering mechanics books pdf download link. 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. Dividing by x and rearranging gives 37 where gs rg is the specific weightof the fluid. The continuum viewpoint and the equation of motion. Introduction fluid mechanics concerns the study of the motion of fluids in general liquids and gases and the forces acting on them. Density can also be thought of as the constant that relates mass to volume. 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.
Static pressures remain almost unchanged, and therefore the density of the gas is also not changed. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington, ky 405060503 c 1987, 1990, 2002, 2004, 2009. This book contains 21 chapter with objective type question. Pressure variation in a static fluid the fundamental equation of fluid statics is that relating pressure, specific mass and vertical distance in a fluid. For a fluid at rest, pressure at a point is independent of direction, which is known as pascals law.
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. The mechanics of compression of a fluid may be demonstrated by imagining the cylinder and piston of fig. Application of a force, f, to piston will increase the pressure, p, in the fluid and cause the volume decrease dv. A comprehensive overview on the fundamentals of mechanics is presented in this chapter. The fluid property responsible for those forces is pressure, which is a normal force exerted by a fluid per unit area. Find materials for this course in the pages linked along the left.
Interacting bodies cause equal and opposite forces and moments on each other. Engineering fluid mechanics staffordshire university. In the equations below, the forces and moments are those that show on a free body diagram. 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. 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. 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. Forces on submerged surface study notes for mechanical.
This equation may be derived by considering the static equilibrium of a typical differential element of fluid fig. Fluid statics or hydrostatics is the study of fluids at rest. Classical mechanics is a foundation of various mechanics topics such as strength of materials, fluid mechanics, machine design, mechanical vibrations, automatic control, finite. These internal frictional force is called viscous force. In our analysis of fluids it is necessary to understand the concepts of density and pressure. Download free fluid mechanics by rk bansal pdf book fmhm 9th edition.
This class includes the opportunity for students to use the personal response system prs. Pressure and fluid statics this chapter deals with forces applied by fluids at rest or in rigidbody motion. Pressure is the force per unit area acting on a surface. 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. Thus, we conclude that the pressure difference between two points in a constant density fluid is propor. This engineering mechanics books collection list is not the final book list. 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. Fluid mechanics complete lecture notes ebook free download pdf the density of a material can be considered continuous except at the molecular level. This pressure is transmitted to a second piston of radius of 15 cm. Rigidbody mechanics me101 statics dynamics deformablebody mechanics, and fluid mechanics. Physics notes chapter 9 fluid mechanics fluids fluids are materials that flow, which include both liquids and gases. Find and study its derivation in your fluid mechanics book.
Hence, static pressure is a scalar rather than a vector quantity. 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. 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. Summary of mechanics 0 the laws of mechanics apply to any collection of material or body. Engineering mechanics pdf 1st year notes pdf download books. Oldest of the physical sciences archimedes 287212 bc. Oct 31, 2018 unsubscribe from physics wallah alakh pandey. Fluid mechanics complete lecture notes ebook free download pdf.
Part 1 basic principles of fluid mechanics and physical. 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. 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. Physics notes class 11 chapter mechanical properties of. Forces on submerged surfaces in a static fluid is also an important section. Mechanics of fluids fluid mechanics mechanical engineering. Because of this pressure difference, there is a net upward force that a fluid applies to. Pressure of a fluid is the force per unit area of the fluid. Engineering mechanics pdf notes em pdf notes smartzworld. Fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams.
Fluid mechanics and thermodynamics of turbomachinery. Download a reference book of fluid mechanics and hydraulic machinery. 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. Ghori published by west pak publishing company pvt ltd. Secondly, at any point within a static fluid, the pressure is the same in all directions. 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.
Fluid machinery is the perfect approach to understand other subjects like turbomachinery, heat and mass transfer, etc. Vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydro static law, etc. Specific volume is the volume of a fluid v occupied per unit mass m. 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. Class 11 chap 10 mechanical properties of fluids 01.
Aug 01, 2019 fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams. 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. A fan or blower is a machine whose primary objective is to move the gas. The goal of this engineering mechanics course is to expose students to problems in mechanics as applied to plausibly realworld scenarios. 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. We shall discover later that the situation is rather different when the dynamic forces of a moving fluid stream are considered section 2. The material derivative lagrangian and eulerian descriptions thermophysical properties compressibility effects in gases. In an incompressible static fluid whose density is.
This book is very popular for mechanical engineering student for use of as reference book, gate preparation, competitive exam preparation, campus. 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. The stress is placed on the actual physics of the flows and the use of specialized mathematical methods is kept to a minimum. 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. Freely browse and use ocw materials at your own pace. 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. We will be frequent update the new books in this list as per viewers comments and shares. Pdf engineering mechanics books collection free download. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington.
Understand and solve the problems related to equation of motion. Only a good knowledge of classical newtonian mechanics is assumed. Forces on submerged surfaces in a static fluid is also an important secti. 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. Like any mathematical model of the real world, fluid mechanics makes some basic assumptions. Recall that p is a scalar, which when in contact with a solid surface exerts a. This body could be the overall system of study or any part of it. Download cbse notes, neet notes, engineering notes, mba notes and a lot more from our website and app. Questions are posed to the class to stimulate discussion and indicate how concepts are going over. Physics fluid mechanics statics worksheet 1 mafiadoc. These books are used by students of top universities, institutes and colleges. 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. Engineering mechanics pdf 1st year notes pdf download.
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