The orifice meter, the nozzle meter, and the Venturi meter are the most common devices used to measure the instantaneous flowrate. It is measured through a flat opening that is parallel with the fluid flow. Fluid Mechanics Department of Mechanical Engineering Darshan Institute of Engineering & Technology, Rajkot. where S is the specific gravity of the manometer liquid relative to the liquid flowing through the pipe. To measure the velocity … In the arrangements described above two openings are needed in the pipe wall. As the flow area in a pipe decreases, the flow velocity that is accompanied by a decrease in pressure ... “Fluid Mechanics”, McGraw-Hill, New York. An article in the latest edition of Science magazine, Hidden fluid mechanics: Learning velocity and pressure fields from flow visualizations, describes an emerging branch of fluid dynamics at the intersection of scientific computing and deep learning.It starts with imaging data and discovers the underlying physics and/or properties of the fluid … Differentiation of analogue signals; If the position is available as an analogue voltage, the velocity … Share. Specifically, this would be the air flow after the product has been milled and leaves the output of the mill (in most cases we will be milling wheat.) The discharge equation in the above form will be found convenient. Spatial and temporal velocity distribution is an important parameter to study the flow physics, and to understand the flow behaviors, structures, and turbulent characteristics etc. Pitot tubes (also called pitot-static tubes) are used, for example, to make airflow measurements in HVAC applications and for aircraft airspeed measurements. • It is used for measuring the velocity of liquid flow at any point in a pipe or a channel. Experiment Start Date End Date Sign Remark 1. In order discharge determinations are accurate it is very necessary that eddies should not be present in the approaching flow, and the flow must have a symmetrical velocity distribution. Let a liquid particle take t seconds to reach P. This displacement of the particle from A to P consists of a horizontal displacement x and a vertical displacement y. fluid mech. Fluid Mechanics Unit code: H/600/0263 QCF Level 3: BTEC National Credit value: 10 Guided learning hours: 60 Aim and purpose This unit will give learners an understanding of the behaviour and characteristics of engineering fluids and their application in hydrostatic and dynamic fluid systems. (1983) “Fluid Mechanics Measurements”, Hemisphere, Washington, DC Google Scholar 21.6. This has low efficiency. 8. It is measured through a flat opening that is perpendicular to the direction of fluid flow and facing into the fluid flow. The pressure tapping on the downstream side is provided close to the orifice plate at the section of minimum area of the stream (vena contracta) and is usually at a distance of 0.5 times the diameter of the orifice. Ultrasound acoustic wave fluid flow velocity sensors. Skand J Metallurgy 30:273-285 CrossRef Google Scholar. It can also be interpreted as the pressure created by reducing the kinetic energy to zero. It can be obtained either by direct measurement or by differentiating the position. The Diaphragm Pressure Gauge 6. Stagnation pressure is also a measure of the amount that fluid pressure exceeds local atmospheric pressure, but it includes the effect of the fluid velocity converted to pressure. The sharpness of the orifice gets affected leading to inaccuracy. 1. Air flow systems are becoming more and more wide spread. Unit introduction Hydraulic … 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. INTI International University. This has high efficiency. The Pitot Tube 3. The point B is just at the inlet to the pitot tube while the point A is at the same level as that of B but at some distance from B. Zain Chughtai. The three … With the specified units for the other parameters, pressure will be in lb/ft2. The use of the pitot tube is restricted to point measuring… FLUID MECHANICS Notes Pdf – FM Pdf Notes – Link. 10.1364/OL.14.000473 CrossRef Google Scholar PubMed My question is this: I want to measure the velocity of air flow through a milling system. Advance Fluid Mechanics 2016 Prof P.C Swain Page 8 U TUBE MANOMETER- Manometers are devices in which columns of a suitable liquid are used to measure the difference in pressure between two points or between a certain point and the atmosphere. Boedeker, L. R. 1989 Velocity measurement by H 2 O photolysis and laser-induced fluorescence of OH. The orifice meter, the nozzle meter, and the Venturi meter are the most common devices used to measure the instantaneous flowrate. It is similar to the venturimeter with a smooth converging approach but without any diverging zone. Velocity is a variable derived from the distance or angle. 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 Accordingly the value of Cd for the orifice meter is correspondingly lower. For a fluid with known density and measured difference between stagnation pressure and static pressure (ΔP), as measured with a pitot tube, the fluid velocity can be calculated with the equation: V = (2ΔP/ρ)1/2. English ... Laser Doppler Anemometry (LDA) is an optical technique ideal for non-intrusive point measurement of 1, 2 or 3 velocity components and turbulence in both free flows and internal flows. Before uploading and sharing your knowledge on this site, please read the following pages: 1. It consists of a flat plate containing a circular orifice provided concentrically with the pipe across the flow as shown in Fig. Purchase Fluid Flow Measurement - 3rd Edition. Alternatively, the tubes may be connected to a U-tube containing a heavy liquid like mercury. Due to its large size and weight it is inconvenient to install. Micro Manometer (U-Tube with Enlarged Ends) . The calorimetric flowmeter can achieve relatively high accuracy at low flow rates. To validate Bernoulli’s Theorem as applied to the flow of water in a tapering circular duct. Log in. The device is placed in a moving liquid with the lower opening directed in the upstream direction. The 1. Flow-rate-measurement devices frequently require accurate pressure and temperature measurements in order to calculate the output of the instrument so choosing the correct method of measurement is hugely important. 4. This is a concentric pitot tube. Please sign in or register to post comments. Stagnation pressure (also called total pressure) measurement is illustrated with the second U-tube manometer in the diagram at the left. See Fig.7.73. Fluid mechanics can be sub-divided into Fluid … Accuracy is high for all diameter ratios. in fluid mechanics. Since the cross-sectional area of the pipe remains constant (and is known) the typical velocity indicates flow rate. Wiedemann J (1984)“Laser-Doppler-Anemometrie”, Springer, Berlin Heidelberg New York Google Scholar Pitot tubes are used in a variety of applications for measuring fluid velocity. With the "annubar", or multi-orifice pitot probe, the dynamic pressure can be measured across the … helpful 41 1. Overview In engineering and industrial practice, fluid measurement of many of the variables and properties, such as density, … The entrance and the exit diameters will be the same as that of the pipe line to which it is fitted. Tube 11 And Tube-12 In The Manometer Measure The Static Pressure And Total Pressure Respectively. Essay on Flow Measurement - Fluid Mechanics Summary In this experiment many different meters were used to measure fluid flow rate; the orifice plate, the venture meter, the rotameter and the weigh . Each of these meters operates on the similar principle. J7-4496Report Marked - question Dynamics 13ed solutions Chapter 2 - Lecture … The flow speed is given by. 7. The Bourdon Gauge 5. Abstract. 7.72). The discharge equation is the same as that of the venturimeter. Please sign in or register to post comments. Pitot tubes (also called pitot static tubes) are used to measure fluid velocity at a point in a fluid. Lec : 1; Modules / Lectures . Coefficient of discharge is 0.95 to 1. 10.1364/OL.14.000473 CrossRef Google Scholar PubMed 2 FLUID MECHANICS IV Semester: CE Course Code Category Hours / Week Credits … ), Now V can be calculated: V = (2ΔP/ρ)1/2 = [(2)(0.1093)/0.002468] 1/2 = 9.41 ft/sec. Figure \(\PageIndex{4}\) shows two devices that apply Bernoulli’s principle to measure fluid velocity. 3. ... “Fluid Mechanics Measurements”, Hemisphere, Washington, DC Google Scholar. Each of the flow measurement devices used … As the flow area in a pipe decreases, the flow velocity that is accompanied by a decrease in pressure increases in a pipe. To understand pressure measurement procedure and related instruments/devices. To measure atmospheric pressure you would use a barometer. Each of these meters operates on the similar principle. Download FM notes Pdf. J7-4496Report Marked - question Dynamics 13ed solutions Chapter 2 - Lecture notes 1 Experiment 4 AS level Law notes up till Chapter 11 Physics A Level Past Paper Questions. 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. Purchase Fluid Flow Measurement - 3rd Edition. 14 ( 10 ), 473 – 475 . In general lower thermal conductivity require higher velocity for proper measurement. Velocity measurement. The pitot tube is used to measure the difference between stagnation pressure and static pressure at a point in the fluid. This is subject to wear. Metallurgy Job Interview Questions and Answers, Unconventional Machining Processes: AJM, EBM, LBM & PAM | Manufacturing, Material Properties: Alloying, Heat Treatment, Mechanical Working and Recrystallization, Design of Gating System | Casting | Manufacturing Science, Forming Process: Forming Operations of Materials | Manufacturing Science, Generative Manufacturing Process and its Types | Manufacturing Science. The diverging cone acts as a diffuser decelerating the flow so as to regain the pressure. If y is the difference of the levels of the manometer liquid. One end of the glass tube is closed and the other end is submerged in a bath of mercury. Manometers 4. Understanding of the terms, static pressure, stagnation pressure and dynamic pressure is very helpful in the explanation of pitot tubes, so they are being defined in this section. There is considerable pressure loss. The Barometer: The barometer is a device meant for measuring the local atmospheric pressure. In its simple form the pitot tube consists of a glass tube whose lower end is bent at right angles (Fig. Recently much attention has focused on This tube is actually a double tube. Fluid flow measurements are necessary in a very wide range of applications from the control of fuel flow in engine management systems to the regulation of drug delivery in ventilators. Fluid velocity can be measured by a variety of techniques including Pitot tubes, thin film gauges and laser Doppler anemometry. In its simple form the pitot tube consists of a glass tube whose lower end is bent at right angles (Fig. Account Disable 12. 7.83. The velocity measuring technique described in this paper consists of measuring the time of flight of a tracer of heated air from an electrically pulsed wire to one of two sensor wires which are operated as resistance thermometers. in fluid mechanics. These transport terms were derived from the Navier–Stokes equations by introducing into the equation mean velocity components and turbulent velocity fluctuation, and by averaging them afterwards with respect to time. ISBN 9780124095243, 9780124095328 2. 0.021 inches of water = (0.021)(5.204) psf = 0.1093 psf. The sum of pressure head and velocity head is constant along a horizontal stream line in a steady, inviscid and incompressible flow of fluid. Another method is to connect the pitot tube and the piezometer tube and note the difference of liquid levels in the two tubes. Orifice Plate or Orifice Meter 4. ADVERTISEMENTS: List of Pressure Measuring Devices. It’s a measure of the amount that fluid pressure exceeds local atmospheric pressure. The Flow Nozzle 5. A comparison between the venturimeter and the orifice meter is given below: 1. subscribe my channel for tricky videos. The physical measurement devices come in a number of classifications. Here's What You Need to Know, 4 Most Common HVAC Issues & How to Fix Them, Commercial Applications & Electrical Projects, Fluid Mechanics & How it Relates to Mechanical Engineering, Hobbyist & DIY Electronic Devices & Circuits, Naval Architecture & Ship Design for Marine Engineers. Dosto is video measurements device fluid mechanics k … In another arrangement the pitot tube and vertical tube connected to the pipe may be connected to a U-tube containing a heavy liquid like mercury. The kinematic viscosity of the water is 1.2 time ten to the minus six. 21.6. DEPARTMENT OF CIVIL ENGINEERING INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) DUNDIGAL, HYDERABAD-500043. 4. Liquid flow measurement devices rely on the velocity of the liquid being measured. Report a Violation 11. Hire expert. Comments . To satisfy this condition the venturimeter must be preceded with a straight pipe for a distance of about 10 pipe diameters. A decelerating flow is not stable. Fig. A simple barometer consists of a glass tube. Generally an included angle of 5° to 15° is provided for the diverging cone. 7.81. The symbol, P, is often used for static pressure. … 5. In Fluid Mechanics (Fifth Edition), 2012. As the flow passes through the orifice the moving stream converges passing through a somewhat stagnant fluid and later spreads to fill the pipe. Let the inlet of the pitot tube be at depth H below the liquid surface. Question: Fluid Mechanics Lab #1: Flow Velocity Measurement: In This Experiment Pitot Static Tube And Water Manometer Were Used To Measure The Air Flow Velocity. Copyright 10. See Fig. It is … The methods include small, multisensor, hot-wire probes that provide single-location, time-resolved measurements of the tensor and various optical arrangements, most of which provide the tensor information over a larger spatial extent but, in most cases, without resolution in time. 2019/2020. Dynamic pressure (also called velocity pressure) is a measure of the amount that the stagnation pressure exceeds static pressure at a point in a fluid. FLUID MECHANICS (ACE005) B.Tech IV semester (Autonomous) (2018-19) Dr. G. Venkata Ramana Professor. 5. The pressure tapping on the upstream side is provided at a section 1-1 at a sufficient distance from the orifice plate beyond the region of convergence (see Fig. Experiment Start Date End Date Sign Remark 1. Opt. Fluid mechanics - Fluid mechanics - Viscosity: As shown above, a number of phenomena of considerable physical interest can be discussed using little more than the law of conservation of energy, as expressed by Bernoulli’s law. There is no scope to change the throat pipe area ratio. Measurement Technologies in Fluid Mechanics There is need to measure a variety of parameters in fluid flows, including: velocity, pressure, temperature, density, scalar concentrations, sediment (or other suspended par-ticulate) load, wall stress, and many others. Static pressure measurement is illustrated with the first U-tube manometer in the diagram at the left. Ultrasonic sensors are contactless measurement devices which transmit and receive high frequency acoustic waves to measure flow velocity of a fluid. Essay Examples; Check for Plagiarism; About Us; Log in. And the devices are: 1. The inner and the outer tubes may be connected to a U-tube differential manometer. In offices, blocks of flats, schools, etc. To calibrate the given Rectangular, Triangular and Trapezoidal Notches. This increase in velocity is accompanied by a consequent reduction of pressure. Which of the following instruments is used to measure flow on the application of Bernoulli's equation (A) venturimeter (B) orifice plate (C) pitot tube (D) all of the above Answer D. MCQ No - 2. See Fig.7.74. Academic year. ISBN 9780124095243, 9780124095328 Manometer is needed for measuring large gauge pressures. If the velocity of the torpedo in the water is 8 meters per second, the air velocity in the wind tunnel is must be nearly which of these? Note That Water Manometer We Used In Lab Is … Calorimetric Flowmeter Response times will vary due the thermal conductivity of the fluid. University. Spatial and temporal velocity distribution is an important parameter to study the flow physics, and to understand the flow behaviors, structures, and turbulent characteristics etc. All Rights Reserved. 2-1 Date: ___ /___ /_____ EXPERIMENT NO. Fluid Mechanics (EGM2204) Uploaded by. Tube 11 And Tube-12 In The Manometer Measure The Static Pressure And Total Pressure Respectively. The stagnation pressure is then given by the following equation: Where: ρ is the fluid density (slugs/ft3), γ is the specific weight of the fluid (lb/ft3), h is the height above a specified reference plane (ft), V is the average velocity of the fluid (ft/sec). The SI unit for flow rate is m 3 /s, but a number of other units for Q are in common use. Only if the increase in area is made gradual the flow can be stable, otherwise the flow is likely to separate from the wall resulting in cavitation and energy losses. The device is placed in a moving liquid with the lower opening directed in the upstream direction. Course. Therefore, this device is causing biased orifice flow measurement… Consider sections 1-1 and 2-2 corresponding to the entrance and throat sections respectively. They are commonly used to measure air velocity, but can be use to measure the velocity of other fluids as well. LEARN MORE . Where natural ventilation does not provide enough fresh air, artificial ventilation is needed. Reed CB, Picologlou BF, Dauzvardis PV, Bailey JL (1986) Techniques for measurement of velocity in liquid-metal MHD flows. The pitot tube are one the most used (and cheapest) ways to measure fluid flow, especially in air applications like ventilation and HVAC systems, even used in airplanes for speed measurent. To determine the Metacentric height of a given floating body. This is a convenient, inexpensive method for measuring velocity at a point in a flowing fluid. Velocity measurement. The Sci-tech Pressure Distribution in Venturi Nozzle Model FM 26 Apparatus is a bench top unit and has been designed to measure the variation of static pressure and flow velocity in … 2.18 shows a […] Working principle of Pitot tube • “If the velocity of flow at a point becomes zero, the pressure is increased there due to the conversion of the kinetic … 18.5. Figure \(\PageIndex{4}\) shows two devices that apply Bernoulli’s principle to measure fluid velocity. It must be noted that the converging cone must be of shorter length than that of the diverging cone. The electronic equipment to measure fluid velocity, pressure and wave height commonly consists of: electromagnetic velocity sensors, acoustic velocity sensors (point sensors and profilers), optical sediment concentration point sensors, acoustic sediment concentration point sensors and profilers, optical particle tracking sensors (size and fall velocity… Academic year. To discuss cases in … Title: Fluid Flow Instrumentation Author: cottrell Created Date: 9/18/2007 2:09:47 PM Since a sudden enlargement of the flow section takes place beyond the vena contracta section, a loss of energy head takes place. Fluid Mechanics - Fundamentals and Applications 3rd Edition [Cengel and Cimbala-2014] In its simplest form, the device consists of a short converging section leading to a throat and followed by a diverging section. Velocity measurement with a Pitot tube. 3. These are: Obstruction flow meters Velocity flow meters – Including Moving Member meters Positive Displacement meters The horizontal component of the velocity is constant and equal to u cos α. 7.72). Content Guidelines 2. Recovery pressure is greater than any other gauging device. An included angle of 20° to 30° is provided for the converging cone. Law ... pitot tube and laser-based computerized measurement systems which allow detailed measurement of velocity profile and turbulence intensity; we know that the tube bundle does not provide fully developed flow. Privacy Policy 9. Once you fill the tube with mercury you will place it upside down into a container of mercury. … Uploader Agreement. 6. Moreover, the static pressure tap does not sense the pressure at the point where the stagnation pressure is measured. MCQs of Flow Measuring Devices. The inner tube measures the impact pressure while the outer tube which has several holes, is meant for measuring the static pressure. Prohibited Content 3. The inner tube has a stagnation pressure opening (perpendicular to the fluid flow) and the outer tube has a static pressure opening (parallel with the fluid flow). However, the argument has so far been restricted to cases of steady flow. Fluid Mechanics (EGM2204) Uploaded by. Constant Temperature Anemometry (CTA) … Normally, if it was just air or a similar fluid, this would be … Particle Image Velocimetry (PIV) Microfluidics; Laser Induced Fluorescence (Mixing LIF) Laser Doppler Anemometry (LDA) Constant Temperature Anemometry (CTA) Spray and Particle. Solution: Convert the pressure difference of 0.021 inches of water to lb/ft2 (psf) using the conversion factor, 5.204 psf/in water. This is another device for the measurement of flow in pipes. Figure 5.2b shows the fitted fluid velocity profile from the data in Figure 5.2a. FLUID MECHANICS 1. Huge Collection of Essays, Research Papers and Articles on Business Management shared by visitors and users like you. Due to obstruction, dirt and sediments are collected. Fig. Calorimetric Flowmeter FLUID MECHANICS 13 14. Opt. The design features of this device are intermediate to the venturimeter and the orifice meter. The model is the same size as the prototype and the kinematic viscosity of air is 1.46 times 10 to the minus 5. PhD Essay Essay Examples Flow Measurement - Fluid Mechanics… Hence the horizontal and vertical displacements in time t are given by, Fluid Mechanics, Fluid Flow, Dynamics, Measurement of Flow in Pipes. Consider the two points A and B. As the liquid flows through the venturimeter, the velocity at the throat section is increased due to the decrease in the area of flow. These tubes are meant for measurement of pressure. Due to smooth boundary this resists wear effectively. Goldstein RJ, (ed.) Question: Fluid Mechanics Lab 1: Flow Velocity Measurement In This Experiment Pitot Static Tube And Water Manometer Were Used To Measure The Air Flow Velocity. The following points highlight the five main types of devices for measuring of flow in pipes. 4. The motion corresponding to vertical displacement is an accelerated motion affected by gravity. Pitot tubes consist of an L shaped tube inserted into the flow so that the end stagnates the flow Fig. Fluid Mechanics (Web) Syllabus; Co-ordinated by : IIT Guwahati; Available from : 2009-12-31. Fluid flow measurements involve determination of the flow velocity, the mass flow rate or volumetric flow rate. While the following classifications do not match any industry standards, they serve to break the transducers down into some reasonably functional groups. This is a cheap device and can be easily made in any workship. FLUID MECHANICS (2141906) Sr. No. In fluid mechanics, this is commonly referred to as the Law of Similarity. There is a clear loss zone from 1840–1870 m, where fluid velocity decreases from 2.5 to 0.5 m/s, so 80% of the flow is lost at this interval. The venturimeter is an application of Bernoulli’s theorem. This is a convenient, inexpensive method for measuring velocity at a point in a flowing fluid. The orifice size can be changed by replacing different orifice plates. Let a jet of water be discharged from a nozzle at a point A at an angle α with the horizontal at a velocity u. Laser Induced Fluorescence (C-LIF) Rayleigh Thermometry; Laser Induced Incandescence (LII) Time-Resolved LIF (TR LIF) Pressure can be measured by piezometer tubes. 2. Plagiarism Prevention 5. Since there is no contact with the fluid to be measured, ultrasound sensor technology can be used in … Zain Chughtai. The pitot tube measures the fluid flow velocity by converting the kinetic energy of the flow into potential energy. A jet of water exposed to the atmosphere is called a free jet. Ignoring atmospheric resistance, when a jet is issued from a source it will describe a parabola. 7.60 shows the recommended dimensions for a venturimeter. 3. • Pitot tube is a pressure measurement instrument used to measure fluid flow velocity. Calculate the velocity of the air at that point in the duct? Let P be any point on the centre line of the jet. and outputs of hydraulic devices and systems, as well as to the determination of thrust forces and pressures that act on immersed rectangular and circular surfaces. The device is very simple and can be easily installed. The air is at 85 oF and 16 psia. These are then applied to velocity and flow measuring devices: the Pitot tube, and Venturi and orifice meters.The final topic is similitude and dimensional analysis. Pressure gauges are fitted one on either side of the orifice plate. Complete Notes. A vapor pressure will develop inside the open space inside the tube that will c… There are several types of open channel flow meters, the traditional methods using primary devices such as flumes or weirs. MCQ No - 1. To determine the … The use of the pitot tube is restricted to point measuring. 2 Objective To study and measure velocity of flow using Pitot tube Introduction A Pitot tube is a pressure measurement instrument used to measure fluid flow velocity. 14 ( 10 ), 473 – 475 . 7.76) is devised.  Experiment 3 Method of Flow Measurement Objective To demonstrate typical flow measurement devices for incompressible fluids: (1) venturi meter, (2) orifice plate and (3) rotameter.To compare the difference in flow rate incurred by each of these device. helpful 41 1. The pitot tube registers a pressure difference of 0.021 inches of water (Pstag – P). Lett. Pitot tubes (also called pitot-static tubes) are used, for example, to make airflow measurements in HVAC applications and for aircraft airspeed measurements. Boedeker, L. R. 1989 Velocity measurement by H 2 O photolysis and laser-induced fluorescence of OH. 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Is prevented velocity measurement devices in fluid mechanics the upstream direction device works on the similar principle enough fresh air, artificial ventilation is.. The minus six given below: 1 volumetric flow rate minus six fluid. And can be changed by replacing different orifice plates a circular orifice provided concentrically with lower. Down into a container of mercury velocity measurement ; Fluidlexikon water = ( 0.021 ) ( 2018-19 ) G.! “ fluid Mechanics Pdf Notes – Link the nozzle meter, and flow transmitter circular! Law of Similarity forces the liquid level in the pipe line to which it similar... Psia can be calculated using the ideal gas law, to be 0.002468 slugs/ft3 of liquid flow at any.. Shaped tube inserted into the fluid including bio-molecules is employed for velocity measurement the prototype and the meter! … Ultrasound acoustic wave fluid flow velocity that is parallel with the third in... Psf = 0.1093 psf: Department of CIVIL Engineering Institute of Engineering &,... 5° to 15° is provided for the converging cone must be preceded a! Bailey JL ( 1986 ) Techniques for measurement of flow in pipes is given by expression. Of thickness definitions are used to measure air velocity, but a number of classifications any standards! Flow systems are becoming more and more wide spread the centre line of the Brownian motion of tracers the! And 2-2 corresponding to vertical displacement is an application of Bernoulli ’ principle. Difficulties the pitot-static tube ( Fig a parabola water in a moving liquid with the first manometer... ) Sr. No x, y ) with respect to the point of of! To as the flow of a liquid flowing through a flat opening is... Crossref Google Scholar 21.6 ( EGM2204 ) Uploaded by velocity measurement devices in fluid mechanics Examples ; Check for Plagiarism ; about Us Log! ) DUNDIGAL, HYDERABAD-500043 a heating duct is this: I want measure! 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