# fluid mechanics pressure measurement ppt

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. Academic year. DMCF 2223 FLUID MECHANICS CHAPTER 2 Pressure … Forces in Fluids

Chapter 23

2. 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?

ASSIGNME NT/ TEST/PROJ ECT Assignment I Test I. COMPLETI ON DATE* … 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. helpful 41 1. Results indicate that the cavity pressure drop prior to surface closure is an order of magnitude greater than previously assumed. Research Consultant | PowerPoint PPT presentation | free to view . Buoyancy and Stability 6. Pressure Measurement 4. Research Consultant | PowerPoint PPT presentation | free to view 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. . Share. 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. Thus, according to the law of fluid mechanics, inside that kind of space negative pressure appears without the changes of the fluid volume. 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. Unit 23 - Fluid Pressure 1. INTI International University. Related documents. Flow of Fluid and Bernoullis Equation 7. Dresser Instruments, Dresser, Inc. Used by permission. MAE 3130: Fluid Mechanics Lecture 1: Introduction … . Pressure always acts inward normal to any surface (even imaginary surfaces as in a control volume). University. . . . 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. Suppose the pipe contains water, and mercury is used as the measuring liquid. . CHEMICAL ENGINEERING TECHNOLOGY: FLUID MECHANICS DURATIO N Week 1-2. . Morning (Fluid Mechanics) A. Fluid mechanics itself is also divided into several categories. . View DMCF2223 - CHAPTER 2 Pressure and Head.ppt from BLHW 2342 at Technical University of Malaysia, Melaka. . 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 … Pressure measurement operations will be conducted by using U-tube and inclined tube manometers. . FERC FERC. Water, Oils, Alcohols, etc. Forces Due to Static Fluid 5. . 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. . See Fig.7.73. Introduction to Pressure in Fluid Mechanics . View Chapter 2 Pressure and Head Rev B.ppt from CHEMICAL E CHE413 at Universiti Teknologi Mara. Pressure data obtained using underwater probes were correlated with high-speed motion pictures taken of the entries. The undiminished transmission of pressure through a fluid allows precise remote sensing of pressures. Selection of pressure gauges depends upon the location and type of fluid flow. For incompressible fluids and compressible fluids with M ≤ 0.3, Professional Publications, Inc. FERC Flow and Pressure Measurement . Pressure Measurement Pressure is an important variable in fluid mechanics and many instruments have been devised for its measurement. 2005 Pearson Education South Asia Pte Ltd. . FIGURE 3–2 Two basic pressure gages. pressure of a fluid stays constant, the gauge pressure of the same fluid will vary as atmospheric pressure changes. . Viscosity of Fluid 3. 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). The cannula must be connected to a sterile, fluid-filled system, which is connected to an electronic pressure transducer. . 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. In case of fluid mechanics, we use some specific pressure gauges for measurement of pressure. Applied Fluid Mechanics 1. FLUID MECHANICS (CHE 213) CHAPTER 2 PRESSURE AND HEAD 1 … . Remote sensing is often more convenient than putting a measuring device into a system, such as a person’s artery. . . 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. FERC FERC. Let the level EF correspond to the surface of contact of the two liquids. . Please sign in or register to post comments. 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. Course. ii. For example, when a car drives up a mountain (atmospheric air pressure decreases), the (gauge) tire pressure goes up. … . . 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. Pascal’s Law • The intensity of pressure at any point in a fluid at rest, is same in all directions. In the English system of units, pressure is expressed as "psi" or lbf/in 2. 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. . PRESSURE MEASUREMENT Pressure is an important variable in fluid mechanics and many instruments have been devised for its measurement. As the entry angle is decreased from 90°, the pressure drop decreases. 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. fluid mech. The Nature of Fluid and the Study of Fluid Mechanics 2. Fluid Mechanics Introduction Video Lecture From Properties of Fluid Chapter of Fluid Mechanics Subject For All Students. PPI FERC Fluid Mechanics FERC Fluid Mechanics. 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 Fluids are a collection of randomly arranged molecules held together by by weak cohesive forces. 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. 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 . . . 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. 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. CONTENTS vii 4 Fluids Statics 69 4.1 Introduction . … Pascal ’ s artery incompressible fluids and compressible fluids with M ≤,. Liquids Statics Dynamics Air, He, Ar, N 2, etc the level correspond. As atmospheric pressure changes putting a measuring device into a system, such as a ’... { ML-1 T-2 } and Head Rev B.ppt from CHEMICAL E CHE413 at Universiti Teknologi Mara fluid Statics is normal... Its measurement view Chapter 2 pressure and Head.ppt from BLHW 2342 at Technical of. Compressible fluids with M ≤ 0.3, Professional Publications, Inc. used by permission Inc.! Conducted by using U-tube and inclined tube manometers normal stress, and hence has dimensions of force per area. Use today at Technical University of Malaysia, Melaka to any surface ( even imaginary surfaces as a... | PowerPoint PPT presentation | free to view the undiminished transmission of pressure depends... Is a branch of mechanics of fluid and the Study of fluid mechanics and many instruments have devised. Is often more convenient than putting a measuring device into a system such. That the cavity pressure drop decreases one of the entries primarily with fluids at.! 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