Dividing by x and rearranging gives 37 where gs rg is the specific weightof the fluid. 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 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. 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. Forces on submerged surfaces in a static fluid is also an important secti. In the equations below, the forces and moments are those that show on a free body diagram. Pressure of a fluid is the force per unit area of the fluid. Aug 01, 2019 fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams. Pressure and fluid statics this chapter deals with forces applied by fluids at rest or in rigidbody motion. These books are used by students of top universities, institutes and colleges. 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.
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. Download a reference book of fluid mechanics and hydraulic machinery. Static pressures remain almost unchanged, and therefore the density of the gas is also not changed. 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.
Interacting bodies cause equal and opposite forces and moments on each other. 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. Oldest of the physical sciences archimedes 287212 bc. Pressure variation in a static fluid the fundamental equation of fluid statics is that relating pressure, specific mass and vertical distance in a fluid. Atmospheric pressure is like an invisible friend who is always squeezing you with a big hug. Pressure is the force per unit area acting on a surface. 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. Because of this pressure difference, there is a net upward force that a fluid applies to. Physics notes chapter 9 fluid mechanics fluids fluids are materials that flow, which include both liquids and gases. Thus, we conclude that the pressure difference between two points in a constant density fluid is propor.
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. A fan or blower is a machine whose primary objective is to move 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. For a fluid at rest, pressure at a point is independent of direction, which is known as pascals law.
Physics fluid mechanics statics worksheet 1 mafiadoc. Specific volume is the volume of a fluid v occupied per unit mass m. Application of a force, f, to piston will increase the pressure, p, in the fluid and cause the volume decrease dv. 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. This book is very popular for mechanical engineering student for use of as reference book, gate preparation, competitive exam preparation, campus. This book contains 21 chapter with objective type question. Rigidbody mechanics me101 statics dynamics deformablebody mechanics, and fluid mechanics. Fluid machinery is the perfect approach to understand other subjects like turbomachinery, heat and mass transfer, etc. Questions are posed to the class to stimulate discussion and indicate how concepts are going over. The goal of this engineering mechanics course is to expose students to problems in mechanics as applied to plausibly realworld scenarios. 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. Class 11 chap 10 mechanical properties of fluids 01. 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.
Engineering mechanics pdf 1st year notes pdf download. We will be frequent update the new books in this list as per viewers comments and shares. Forces on submerged surfaces in a static fluid is also an important section. 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.
Find and study its derivation in your fluid mechanics book. 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. Pressure at any point in a fluid is the same in all directions and is transmitted through static fluids without loss pascals principle 2. In an incompressible static fluid whose density is. Fluid mechanics is a branch of continuous mechanics which deals with a relationship between forces, motions, and static conditions in a continuous material. From 1, the pressure at the wall of any vessel is perpendicular to the wall 3.
Bahrami fluid mechanics s 09 fluid statics 6 2 jumping across u. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington. Like any mathematical model of the real world, fluid mechanics makes some basic assumptions. The top and best engineering mechanics books collections are listed in the below table as well as engineering mechanics books pdf download link. Oct 31, 2018 unsubscribe from physics wallah alakh pandey. 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.
Download cbse notes, neet notes, engineering notes, mba notes and a lot more from our website and app. Understand and solve the problems related to equation of motion. The continuum viewpoint and the equation of motion. The fluid property responsible for those forces is pressure, which is a normal force exerted by a fluid per unit area. Engineering mechanics pdf notes em pdf notes smartzworld. Freely browse and use ocw materials at your own pace. Density can also be thought of as the constant that relates mass to volume.
In our analysis of fluids it is necessary to understand the concepts of density and pressure. Only a good knowledge of classical newtonian mechanics is assumed. This class includes the opportunity for students to use the personal response system prs. It deals with horizontal, vertical and curved surfaces submered under fluid and the various forces applied on these section. 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. Download free fluid mechanics by rk bansal pdf book fmhm 9th edition.
Fluid mechanics is high scoring subject in all mechanical engineering exams such as gate, ese, isro and other psu exams. The material derivative lagrangian and eulerian descriptions thermophysical properties compressibility effects in gases. Mechanics of fluids fluid mechanics mechanical engineering. Fluid mechanics pdf notes fm pdf notes smartzworld. Vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydro static law, etc. This equation may be derived by considering the static equilibrium of a typical differential element of fluid fig. Find materials for this course in the pages linked along the left. 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. The mechanics of compression of a fluid may be demonstrated by imagining the cylinder and piston of fig.
Ghori published by west pak publishing company pvt ltd. Fluid statics or hydrostatics is the study of fluids at rest. The main equation required for this is newtons second law for nonaccelerating bodies, i. Physics notes class 11 chapter mechanical properties of. We shall discover later that the situation is rather different when the dynamic forces of a moving fluid stream are considered section 2. Fluid statics me 305 fluid mechanics i part 2 fluid statics.
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. Fluid mechanics complete lecture notes ebook free download pdf. 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. Summary of mechanics 0 the laws of mechanics apply to any collection of material or body. Part 1 basic principles of fluid mechanics and physical. A fluid at rest obeys hydrostatic equilibrium where its pressure increases with depth to balance its weight. Ce8302 notes fluid mechanics regulation 2017 anna university.
After going through manometry and buoyancy chapter. Engineering fluid mechanics staffordshire university. These internal frictional force is called viscous force. Classical mechanics is a foundation of various mechanics topics such as strength of materials, fluid mechanics, machine design, mechanical vibrations, automatic control, finite. Fluid mechanics and thermodynamics of turbomachinery. 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. Publication date 12000909 usage public domain mark 1. 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.
Secondly, at any point within a static fluid, the pressure is the same in all directions. The stress is placed on the actual physics of the flows and the use of specialized mathematical methods is kept to a minimum. Engineering fluid mechanics 4 contents contents notation7 1 fluid statics 14 1. Engineering mechanics pdf 1st year notes pdf download books. 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. This pressure is transmitted to a second piston of radius of 15 cm.
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