Density or mass density of fluid is defined as the ratio of the mass of the fluid to its volume. A fluid, which is incompressible and having no viscosity, is known as an ideal fluid. How quickly a fluid flows in a given amount of time. The water we drink, the air we breathe are all examples of fluids. Civil engineers have to design the water supply system, drainage system, irrigation canals, and dams. The fluids used may be undergoing a cyclic process, such as the operating fluid in a chiller or heat pump, or may be totally or partially.
But the amount of volume change is different for different fluids, and we need to define properties that relate volume changes to the changes in pressure and temperature. The following are some of the important basic properties of fluids. Ryen caenn specializes in the technology transfer for all aspects of drilling and completion fluids technologies. The list can be extended to include less familiar ones such as viscosity, thermal conductivity, modulus of elasticity, thermal expansion coefficient,etc. Properties of fluids determine how fluids can be used in engineering and technology. Newtonian fluids like water can be described exclusively by temperature and pressure. Interesting properties of nonnewtonian fluids if you punch a bucket full of nonnewtonian fluid such as cornstarch, the stress introduced by the. Properties of fluids the properties outlines below are general properties of fluids which are of interest in engineering. Properties of fluids video lecture from properties of fluid chapter of fluid mechanics subject for all students. Density is expressed in the british gravitational bg system as. Contents introduction fluid continuum fluid properties 4. Essentially, fluids are materials which have no repeating crystalline structure. Fluid mechanics is a branch of science which deals with property and behavior of fluids at rest and in motion. Fluid mechanics is the study of fluids at rest or in motion.
In a model c onceived for design purposes, those properties must be calculated for real fluids, as stressed by black 1986 1. Properties of fluids in this chapter, we discuss properties that are encountered in the analysis of fluid flow. This includes liquids, gases and even some materials which are normally considered solids, such as glass. In addition to the properties like mass, velocity, and pressure usually considered in physical problems, the following are the basic properties of a fluid. This document is highly rated by class 11 students and has been viewed 3555 times. First we discuss intensiveand extensive propertiesand define density and specific gravity. This book is very popular for mechanical engineering student for use of as reference book, gate preparation, competitive exam preparation, campus. However, the physical behavior of nonnewtonian fluid depends on the forces acting on it from second to second. Jun 02, 2009 chapter 1 properties of fluids definition of fluid properties of fluids calculations slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Class 11 important questions for physics mechanical.
Moreover, the properties of a material may depend on the deformation. This book contains 21 chapter with objective type question. Properties of fluids a fluid is any substance which flows because its particles are not rigidly attached to one another. Jan 02, 2016 for the love of physics walter lewin may 16, 2011 duration. If you continue browsing the site, you agree to the use of cookies on this website. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This is followed by a discussion of the properties vapor pressure,energyand its various forms, the specific heatsof ideal gases and incompressible substances, and the coefficient of.
This is followed by a discussion of the properties vapor pressure,energyand its various forms, the specific. Fluids usually expand as they are heated or depressurized and contract as they are cooled or pressurized. What volumetric fraction of the total volume does each fluid occupy. Out of its height l, fraction x is submerged in water. In fluid mechanics the following properties of fluid would be considered i when the fluid is at rest. Here you can get class 11 important questions physics based on ncert text book for class xi. All chapter 9 mechanical properties of solids exercises questions with solutions to help you to revise complete syllabus and boost your score more in examinations.
A fluid is any substance that flows or deforms under applied shear stress. It is easy to compress a gas whereas liquids are incompressible. Exemplar problemsphysics chapter ten mechanical properties. There are certain properties that fluids share, though the specifics of these may be slightly different for each type of fluid.
Download free fluid mechanics by rk bansal pdf book fmhm 9th edition. Franco encyclopedia of life support systems eolss behavior. The density of a fluid is its mass per unit volume. Physics important questions class 11 are given below. Properties of fluids surface tension, pressure, temperature. Chapter 1 properties of fluids definition of fluid properties of fluids calculations slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Fluids do not have finite shape but takes the shape of the containing vessel, the total normal force exerted by liquid at rest on a given surface is called thrust of liquid. Physics class 11 important questions are very helpful to score high marks in board exams.
The effect of gravity is illustrated thr ough pr essur e on a vertical cylindrical column. Introduction fluid mechanics is the science that deals with the action of forces on fluids at rest as well as in motion. Before going to study properties of fluid lets have an overview of what is fluid and types of fluid. The vessel is in an elevator accelerating upward with acceleration a. Apr 22, 2019 here you can get class 11 important questions physics based on ncert text book for class xi. Research online examples of fluids that are shear thinning and shear thickening. Chapter 10 mechanical properties of fluids subscribe for latest updates national council of educational research and training ncert book for class xi. The effect of gravity is illustrated through pressure on a vertical cylindrical column. Here we have covered important questions on mechanical properties of fluids for class 11 physics subject. Density is highly variable in gases nearly proportional to the pressure. Ideal fluid is only an imaginary fluid as all the fluids, which exist, have some viscosity.
Free pdf download of ncert solutions for class 11 physics chapter 9 mechanical properties of solids solved by expert teachers as per ncert cbse textbook guidelines. There is a theory available for fluid flow problems, but in all cases it should be backed up by experiment. Fluid mechanicsfluid properties wikibooks, open books for. Mar 05, 2008 identify 5 industries where the properties of fluids play an important role for each industry, provide an example of fluid use. Properties of fluidmass density, specific weight, volume. Apr 19, 2020 notes mechanical properties of fluids class 11 notes edurev is made by best teachers of class 11. Buoyancy ability of a fluid liquid or gas to exert an upward force on an object. Basically, there are 5 different types of fluid has been classified. Pressure difference depends on the vertical distance h between the points 1 and 2, mass density of the fluid. A fluid is a substance having a property to flow easily. Density viscosity temperature pressure specific volume specific weight specific gravity 1. In hydraulics only liquids are considered, and for hydraulics in civil engineering, water is the prime subject of study.
Properties of fluids some familiar properties are pressure p, temperature t, volume v, and mass m. He has worked in the industry for over 50 years, starting as a mud engineer in 1966, and for over 35 years as consultant to oil companies, fluid service companies and chemical manufacturers in the us and international drilling and production chemicals industry. Fluid mechanics is the study of fluids either in motion fluid dynamics or at rest fluid statics. Our body itself is mostly water, while what surrounds us is largely air which again is a fluid. Fluid mechanics pdf notes fm pdf notes smartzworld. This articles is all about properties of fluid mass density, specific weight, specific volume, specific gravity, pdf. Physics notes of mechanical properties of fluids download pdf. Label on the following graph which response is due to a fluid that has newtonian, shear thinning, shear thickening and bingham plastic behavior. Pdf probing physical properties of confined fluids within. Though each fluid is different from others in terms of. Feb 03, 2020 understanding the properties of fluids is essential to analyze their behavior in working conditions. The main property of nonnewtonian fluid which makes it different from newtonian is that it does not follow linear relation between shear stress and strain rate. They also determine the behaviour of fluids in fluid mechanics.
Download a reference book of fluid mechanics and hydraulic machinery. Introduction to dimensions and units physical properties of fluids specific gravity, viscosity, surface tension, vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydrostatic law. Intensive properties properties that are independent of the mass of a system e. This relationship is now known as newtons law of viscosity, where the proportionality constant. Hydraulics tutorial sheet 2 fluid properties and pressures in. Introduction to fluid mechanics the air we breathe, the water we drink, and the blood and other liquids that flow in our bodies demonstrate the close dependence of our lives on various fluids. Understanding the properties of fluids is essential to analyze their behavior in working conditions. Notes mechanical properties of fluids class 11 notes edurev. Pore fluids have properties that vary substantially, but systematically, with composition, pressure, and temperature. To understand the different properties of fluids, we have to first understand what exactly is meant by the term fluids. Newtonian fluids are named after sir issac newton 1642 1726 who described the flow behavior of fluids with a simple linear relation between shear stress mpa and shear rate 1s. Classification of fluids fluid mechanics mechanical.
For the love of physics walter lewin may 16, 2011 duration. Salt water is more dense than fresh water because of the salt. A fluid, which possesses viscosity, is known as real fluid. P roperties of fluids determine how fluids can be used in engineering and technology. The substances which have the tendency to flow is also called as fluid. Composition and properties of drilling and completion fluids. Choose from 385 different sets of properties of fluids flashcards on quizlet. If the fluids are at rest, the study of them is called fluid statics. The intermolecular forces are large in a solid, smaller in a liquid and extremely small in gas. In other words, it is the ratio between mass m and volume v of a fluid.
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