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See Fig.7.73. Academic year. Results indicate that the cavity pressure drop prior to surface closure is an order of magnitude greater than previously assumed. Suppose the pipe contains water, and mercury is used as the measuring liquid. . ii. . General Energy Equation 8. Figure shows one of the many types of mechanical pressure gauges in use today. Pressure measurement operations will be conducted by using U-tube and inclined tube manometers. ¦ Fi 0 Viscous/Inviscid Steady/Unsteady Compressible/ Incompressible ¦ Fi! Flow measurement B. Fluid properties C. Fluid statics D. Energy, impulse, and momentum equations E. Pipe and other internal flow 7% of FE Morning Session Up to 15% of FE Afternoon Session Afternoon (Depends on Discipline) A. Bernoulli equation and mechanical energy balance B. Hydrostatic pressure INTI International University. Water, Oils, Alcohols, etc. In the English system of units, pressure is expressed as "psi" or lbf/in 2. Fluid mechanics is a discipline within the broad field of applied mechanics concerned with the behaviour of liquids and gases at rest or in motion. Fluid mechanics itself is also divided into several categories. . The local atmospheric pressure is 15 psia. Fluid Mechanics 9-10a Fluid Measurements Pitot Tube – measures flow velocity • The static pressure of the fluid at the depth of the pitot tube (p0) must be known. Share. Pressure distribution for a fluid at rest A force balance in the z direction gives: For an infinitesimal element (Dz 0) Incompressible fluid Liquids are incompressible i.e. Zain Chughtai. LAB REPORT EXPERIMENT # 1 PRESSURE MEASUREMENT PNGE 211: AN INTRODUCTION TO FLUID MECHANICS Made By: Nabeel Ahmed Khan Submitted To: Doruk Alp Date of Submission: 15/04/16 OBJECTIVE The purpose of this experiment is to demonstrate different pressure measurement methods. . Remote sensing is often more convenient than putting a measuring device into a system, such as a person’s artery. Fluid Mechanics Overview Gas Liquids Statics Dynamics Air, He, Ar, N 2, etc. … pressure of a fluid stays constant, the gauge pressure of the same fluid will vary as atmospheric pressure changes. The undiminished transmission of pressure through a fluid allows precise remote sensing of pressures. Pressure always acts inward normal to any surface (even imaginary surfaces as in a control volume). FIGURE 3–2 Two basic pressure gages. Selection of pressure gauges depends upon the location and type of fluid flow. PRESSURE MEASUREMENT Pressure is an important variable in fluid mechanics and many instruments have been devised for its measurement. Fluid Mechanics Introduction Video Lecture From Properties of Fluid Chapter of Fluid Mechanics Subject For All Students. For example, when a car drives up a mountain (atmospheric air pressure decreases), the (gauge) tire pressure goes up. . . Fluids are a collection of randomly arranged molecules held together by by weak cohesive forces. . . If the pitot tube is to be used to measure the velocity of a liquid in a pipe, then we must adopt some method to know the static pressure head H. For instance, we may use a pitot tube and a vertical piezometer tube and measure the difference of the liquid levels in the two tubes. . . FERC FERC. . ASSIGNME NT/ TEST/PROJ ECT Assignment I Test I. COMPLETI ON DATE* … Thought Questions

Why is the electricity produced at the bottom of dams?

When you catch a deep-sea fish, why does its eyes pop-out?

Why do your ears pop on an airplane or up in the mountains?

fluid mech. The measurement of Pressure • The Barometer • Manometers • The Bourdon Gauge • Other types of Pressure Gauge Uniform Rectilinear Acceleration Pressure Variation in a variable density fluid and the Standard Atmosphere. that branch of science is called fluid dynamics. . Unit 23 - Fluid Pressure 1. PPI FERC Fluid Mechanics FERC Fluid Mechanics. MAE 3130: Fluid Mechanics Lecture 1: Introduction … . CN2122 / TCN2122E 3.0 Introduction Fluid Statics is a branch of mechanics of fluid which deals primarily with fluids at rest. . Morning (Fluid Mechanics) A. FLUID MECHANICS (CHE 213) CHAPTER 2 PRESSURE AND HEAD 1 … We will further discuss various types of pressure devices which we use nowadays for measuring fluid pressure in pipes, open channel and also discuss the techniques of measuring atmospheric pressure and pressure … Many devices are based on hydrostatics such as barometers and manometers, i.e., determine pressure through measurement of a column (or columns) of a liquid using the pressure variation with elevation equation for an incompressible fluid. . FERC FERC. Introduction to Pressure in Fluid Mechanics . The pressure of a fluid in a pipe may be measured by using a glass U-tube containing a heavier liquid which does not mix with the fluid in the pipe. Fluid Mechanics and Energy Transport BIEN 301 Lecture 4 Pressure Distribution, Hydrostatic Forces, and Pressure Measurement - Fluid Mechanics and Energy Transport BIEN 301 Lecture 4 Pressure Distribution, Hydrostatic Forces, and Pressure Measurement Juan M. Lopez, E.I.T. • A fluid at rest obeys hydrostatic equilibrium - where its pressure increases with depth to balance its weight : = 0+ • Points at the same depth below the surface are all at the same pressure, regardless of the shape Fluid Mechanics key facts (2/5) DMCF 2223 FLUID MECHANICS CHAPTER 2 Pressure … Fluid pressure at the top of the tube (P 1) is lower than the atmospheric pressure (P 2), and it's value corresponds with the hydrostatic fluid column inside the cylinder (, File S1). helpful 41 1. Fluid Mechanics and Energy Transport BIEN 301 Lecture 4 Pressure Distribution, Hydrostatic Forces, and Pressure Measurement - Fluid Mechanics and Energy Transport BIEN 301 Lecture 4 Pressure Distribution, Hydrostatic Forces, and Pressure Measurement Juan M. Lopez, E.I.T. Dresser Instruments, Dresser, Inc. Used by permission. . Let X be the centre of the pipe. CHEMICAL ENGINEERING TECHNOLOGY: FLUID MECHANICS DURATIO N Week 1-2. FERC FERC. . Pressure is a normal stress, and hence has dimensions of force per unit area, or {ML-1 T-2}. 2019/2020. . THEME Fluid properties (Learning Outcome 1) Definition of fluid Introductory dimensional analysis Measures of fluid mass and weight Ideal gas law Viscosity Compressibility of fluids Vapour pressure Surface tension Solving problems. University. 2005 Pearson Education South Asia Pte Ltd. Research Consultant | PowerPoint PPT presentation | free to view . . Research Consultant | PowerPoint PPT presentation | free to view . View DMCF2223 - CHAPTER 2 Pressure and Head.ppt from BLHW 2342 at Technical University of Malaysia, Melaka. Flow of Fluid and Bernoullis Equation 7. Comments . For incompressible fluids and compressible fluids with M ≤ 0.3, Professional Publications, Inc. FERC Flow and Pressure Measurement . Related documents. . Pressure data obtained using underwater probes were correlated with high-speed motion pictures taken of the entries. . In case of fluid mechanics, we use some specific pressure gauges for measurement of pressure. . 15 MEASUREMENT OF PRESSURE The pressure of a fluid may be measured by the following devices: MANOMETERS: The devices used for measuring the pressure at a point in a fluid by balancing the column of fluid by the same and other liquid. View Chapter 2 Pressure and Head Rev B.ppt from CHEMICAL E CHE413 at Universiti Teknologi Mara. Chapter 14: Fluid mechanics Reading assignment: Chapter 14.5-14.7 Homework : (due Wednesday, Nov. 2, 2005): Problems: Q5, Q10, 1, 3, 7, 12, 20, Fluids flow. . 1.2.2 Fluid Mechanics Fluid mechanics is the application of the fundamental principles of mechanics and ther-modynamics – such as conservation of mass, conservation of energy and Newton’s laws of motion – to the study of liquids and gases, in order to explain observed phenomena and to be able to predict behaviour. Let the level EF correspond to the surface of contact of the two liquids. Please sign in or register to post comments. Applied Fluid Mechanics 1. FLUID MECHANICS 150 pounds Afeet = 50 in 2 P = 3 psi P = 6 psi 300 pounds W –––– Afeet 150 lbf –––––– 50 in2 P = sn = = 3 psi= FIGURE 3–1 The normal stress (or “pressure”) on the feet of a chubby person is much greater than on the feet of a slim person. Pascal’s Law • The intensity of pressure at any point in a fluid at rest, is same in all directions. Fluid Mechanics (EGM2204) Uploaded by. Buoyancy and Stability 6. . As the entry angle is decreased from 90°, the pressure drop decreases. Forces Due to Static Fluid 5. 57:020 Fluid Mechanics Chapter 2 Professor Fred Stern Fall 2013 6 0 y p dy)dxdz 0 y p pdxdz (p F y 0 ... Pressure Measurements Pressure is an important variable in fluid mechanics and many instruments have been devised for its measurement. . CONTENTS vii 4 Fluids Statics 69 4.1 Introduction . The cannula must be connected to a sterile, fluid-filled system, which is connected to an electronic pressure transducer. Viscosity of Fluid 3. Pressure Measurement Pressure is an important variable in fluid mechanics and many instruments have been devised for its measurement. Measurement in Fluid Mechanics also features extensive background materials in system response, measurement uncertainty, signal analysis, optics, ﬂuid mechan- ical apparatus, and laboratory practices, which shield the reader from having to Definition The study of f1uids in motion, where pressure forces are not considered, is called fluid kinematics and if the pressure forces are also considered for the fluids in motion. . fluid power technology btm2234 chapter 2: fluids pressure and its measurement After completing this chapter, you should be able to; Define the relationship between absolute pressure, gauge pressure and atmospheric pressure Define the relationship between a change in elevation and the change in pressure in a fluid . The Nature of Fluid and the Study of Fluid Mechanics 2. . Course. Thus, according to the law of fluid mechanics, inside that kind of space negative pressure appears without the changes of the fluid volume. . Pressure Measurement 4. Forces in Fluids

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