A tank is constructed of a series of cylinders as shown in a. These are the equations for the hydrostatic pressure distribution. Class notes compiled from reading assignment, notes from dr. Solved problems in fluid mechanics and hydraulics, bernoullis principle, theory and numerics for problems of fluid dynamics. The kilogram is the mass of a platinumiridium cylinder kept at sevres in france. Fluid is a substance that a cannot be subjected to shear forces. Dividing by x and rearranging gives 37 where gs rg is the specific weightof the fluid. The rectangular gate shown is 3 m high and has a frictionless hinge at the bottom. Thus, we conclude that the pressure difference between two points in a constant density fluid is propor. The maximum value of p1 p2 is limited by the height of the manometer. Momentum transfer in a fluid involves the study of the motion of fluids and the forces that produce these motions.
Engineering fluid mechanics 4 contents contents notation7 1 fluid statics 14 1. By selection of an indicating fluid, the sensitivity, range, and accuracy of the manometer can be altered. Cimbala mcgrawhill, 20 chapter 3 pressure and fluid statics proprietary and confidential this manual is the proprietary property of the mcgrawhill companies, inc. 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. Ruba awad r is the radius of the droplet, is the surface tension. In addition to these notes, you may wish to obtain other reference material. Utube manometers, bourdon gauge and the pressure transducer used in this experiment to measure the pressure. Fluid mechanics range air flow and aerodynamics hydraulics fluid mechanics is the branch of physics concerned with the mechanics of fl uids in this case liquids and gases and the forces on them. Pressure variation in a static fluid the fundamental equation of fluid statics is that relating pressure, specific mass and vertical distance in a fluid. World leading supplier of engineering teaching equipment. Find and study its derivation in your fluid mechanics book. This should result in a fluid level measurement of approximately 58 down from the top front edge of the reservoir. Construction and description of differential manometer. The metre is now defined as being equal to 1 650 763.
Fill each of the remaining chambers using the same method until the fluid level is equal to the. Mcgrawhill and protected by and other state and federal laws. For incompressible fluids and compressible fluids with m. Fluid mechanics pdf notes fm pdf notes smartzworld. Vapor pressure and their influences on fluid motion pressure at a point, pascals law, hydrostatic law, etc. Fluid mechanics 910a fluid measurements pitot tube measures flow velocity the static pressure of the fluid at the depth of the pitot tube p0 must be known. Manometer is used to measure small and moderate pressure difference inside a container or between two containers. Measuring the pressure drop across a flow section or a flow device by a differential manometer. Engineering fluid mechanics staffordshire university. Fluid is a substance that a cannot be subjected to shear forces b always expands until it fills any container c has the same shear stress. Feb 02, 2016 fe exam fluid mechanics manometer pressure at pipe a duration. Fluids a fluid is a substance that deforms continuously under the action of a shear force.
Request pdf fluid statics and manometers fluid statics and manometers find, read. Fluid mechanics problems and solutions free download. Pdf on dec 22, 2017, ghassan fadhil smaisim and others published fluid mechanics priciples find, read and cite all. In recent years fluid mechanics is truly a hightech discipline and many exciting areas have been developed like the aerodynamics of multistorey buildings, fluid mechanics of atmosphere, sports, and micro fluids. A supply ta nk of w ater, a set of different dia meters pipe fitted wi th manometer t ube a t two p oints, discharge measuring tank, scale, and stop watch. Fluid mechanics study material aerospace engineering.
To measure larger pressure differences we can choose a manometer with higher density, and to measure smaller pressure differences with accuracy we can choose a manometer fluid which is having a density closer to the fluid density. Not all instructors cover exactly the same material during a course, thus it is important for the candidate to closely. Applying newtons second law, the net force acting on the fluid equals the rate of increase of momentum where p is the mean pressure of the eddying fluid over the annular area of the expansion. In a moving fluid there will be multiple pressure definitions, such as static, dynamic and stagnation. Consider a steady, incompressible boundary layer with thickness. Fe exam fluid mechanics manometer pressure at pipe a duration. Feb 22, 2016 construction and description of differential manometer video lecture from pressure and pressure measurement chapter of fluid mechanics subject for all students. This equation may be derived by considering the static equilibrium of a typical differential element of fluid fig.
Aug 31, 2014 250 top fluid mechanics mechanical engineering multiple choice questions and answers list latest fluid mechanics questions and answers pdf free download 1. The pressure at a point in a fluid at rest does not depend on direction. Based on a control volume analysis for the dashed box, answer the following. Fluid is a material does not resist distortion liquid and gas. Using manometers to precisely measure pressure, flow and level. Fluid mechanics problems for qualifying exam fall 2014 1. Alshemmeri fluid mechanics is an essential subject in the study of the behaviour of fluids at rest and when in motion. Fluid mechanics 1 is a core unit in the diplmoa and in the advanced diploma in engineering. Fluid statics and manometers request pdf researchgate.
In formulating your response, reproduce the diagram to an acceptable scale table 1 geometry of multibid manometer do export pdf do create pdf v group hl m 0. The concept of pressure in a moving fluid is a bit tricky, but well come to that later. The book is complimentary follow up for the book engineering fluid mechanics also published on. Mcdonough departments of mechanical engineering and mathematics university of kentucky, lexington. The course will introduce fluid mechanics and establish its relevance in. Consider a sudden enlargement in pipe flow area from area a 1 to area a 2. The subcategory fluid mechanics is defined as the science that deals with the behavior of fluids at rest fluid statics or in motion fluid dynamics, and the interaction of fluids with solids or. Fluid mechanics qualifying exam study material the candidate is expected to have a thorough understanding of undergraduate engineering fluid mechanics topics. Dynamic response of the utube liquid manometer with equal diameter columns d zahariea1 1department of fluid mechanics, hydraulic machines and drives, gh. Mainly there are two simple pressure measuring devices shown as below. The magnitude of the force f per meter of width to keep the gate closed is most nearly r is onethird from the bottom centroid of a triangle from the ncees handbook. Types of pressure measuring device types of pressure measuring devices.
Indicating fluids are available with densities from. Oct 03, 2019 fluid mechanics problems and solutions free download october 3, 2019 may 26, 2019 some of the worksheets below are fluid mechanics problems and solutions free download. The branch of engineering science that studies the behaviour of fluid. Note the appearance of the difference in densities between manometer fluid and working. Open the flow control valve and allow certain a flow rate. Fundamentals and applications third edition yunus a. 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. It has applications in a wide range of disciplines, including mechanical, civil and chemical engineering. A mercury manometer is attached to the bottom of the tank. Why we use different manometric fluid in manometer rather. Apr 19, 2016 mano meters are used to measure the pressure differenc betbetween two points in flow through the pipes.
To find out the pressure difference, the first thing you should do is to find differenc in levels of manometric fulid in the right and left l. Jan 27, 2016 a supply ta nk of w ater, a set of different dia meters pipe fitted wi th manometer t ube a t two p oints, discharge measuring tank, scale, and stop watch. Title engineering fluid mechanics solution manual author prof. The manometer simple, accurate device for measuring small to moderate pressure differences rules of manometry. Oct 30, 2019 the subcategory fluid mechanics is defined as the science that deals with the behavior of fluids at rest fluid statics or in motion fluid dynamics, and the interaction of fluids with solids or. Dynamic response of the utube liquid manometer with equal. Construction and description of differential manometer video lecture from pressure and pressure measurement chapter of fluid mechanics subject for all students.
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