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Sunday, July 19, 2020 | History

2 edition of Flow measurement by square-edged orifice plate using corner tappings found in the catalog.

Flow measurement by square-edged orifice plate using corner tappings

W. J. Clark

Flow measurement by square-edged orifice plate using corner tappings

by W. J. Clark

  • 252 Want to read
  • 5 Currently reading

Published by Pergamon .
Written in English


Edition Notes

Statementby W.J. Clark.
ID Numbers
Open LibraryOL20070756M

Originally published as Supplement to ASME Power Test Codes, Part 5 Chapter 4, Flow measurement by means of thin plate orifices, flow nozzles and venturi tubes, American Society of Mechanical Engineers, New York () (now superseded by Fluid Meters ref. 7 of Chapter 13) Google ScholarCited by: 1. determining factor is size and cost of commercial flow benches. Concentric Square-Edged Orifice Meter Concentric square-edged orifice meters are rather straight forward in design and function. The name describes them very well: a plate with an orifice in it smaller than the diameter of the main pipeFile Size: 1MB.

of multi-holed orifice plates in furrows. Submerged flow discharge coefficient for square-edged orifices with the plate thickness less than one-third of the diameter is Free flow coefficients vary both with orifice size and head. INTRODUCTION Inflow-outflow measurement of furrow infiltration rates is perferable because the measurement is.   Flow Measurement By Square-edged Orifice Plate Using Corner Tappings deals comprehensively with the subject of flow measurement through pipes by a square edge orifice plate using corner tappings. The object is to present in easily readable and applicable form a consideration of all the many factors involved in accurate measurement, thus enabling readers to appreciate what is involved .

Orifice plate meter flow measurement. An orifice meter is a circular piece of metal plate placed between flanges in a pipe. In it is a square-edged round hole machined to pipe diameter in size. Pressure tapping points are placed either side of the plate at specified distances. The orifice causes a flow restriction and produces a. Types of Orifice Plates Vent Hole Drain Hole Square Edged Concentric These are most commonly used for flow measurement. This has special features such as simple structures, high accuracy, and ease of installation & replacement. The orifice plates are correctly finished to the dimensions, surface roughness, and flatness to the applicable Size: 2MB.


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Flow measurement by square-edged orifice plate using corner tappings by W. J. Clark Download PDF EPUB FB2

Flow Measurement By Square-edged Orifice Plate Using Corner Tappings deals comprehensively with the subject of flow measurement through pipes by a square edge orifice plate using corner tappings.

Flow Measurement By Square-edged Orifice Plate Using Corner Tappings deals comprehensively with the subject of flow measurement through pipes by a square edge orifice plate using corner tappings.

The object is to present in easily readable and applicable form a consideration of all the many factors involved in accurate measurement, thus enabling readers to appreciate what is involved in good. Flow Measurement: By Square-Edged Orifice Plate Using Corner Tappings - Kindle edition by Clark, W.

Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Flow Measurement: By Square-Edged Orifice Plate Using Corner : $   Flow Measurement By Square-edged Orifice Plate Using Corner Tappings deals comprehensively with the subject of flow measurement through pipes Book Edition: 1.

Flow Measurement: By Square-Edged Orifice Plate Using Corner Tappings [W. Clark] on *FREE* shipping on qualifying by: 2. Flow Measurement By Square-edged Orifice Plate Using Corner Tappings deals comprehensively with the subject of flow measurement through pipes by a square edge orifice plate using corner tappings.

The object is to present in easily readable and app. The differential pressure is measured by suitably located pressure tappings on the pipeline on either side of the orifice plate.

These may be located in various positions, depending on the application (e.g., corner, D and D/2, or flange tappings), and reference should be made to BS Part 1 for correct rate is determined from Equation (). Get this from a library. Flow measurement by square-edged orifice plate using corner tappings.

[William Jasper Clark]. An orifice plate is a thin plate with a hole in it, which is usually placed in a pipe. When a fluid (whether liquid or gaseous) passes through the orifice, its pressure builds up slightly upstream of the orifice: 85–86 but as the fluid is forced to converge to pass through the hole, the velocity increases and the fluid pressure decreases.

A little downstream of the orifice the flow reaches C d {\displaystyle C_{d}}: = coefficient of. Flow measurement by square-edged orifice plate using corner tappings.

Oxford, New York, Pergamon Press [] (DLC) (OCoLC) Material Type: Document, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: W J Clark. Here, pressure taps are located 1 pipe diameter upstream and ½ diameter downstream from the orifice plate (see figure ).

This arrangement is best from a practical standpoint because the downstream pressure tap is located at about the mean position of the vena contracta, and the upstream tap is sufficiently far upstream to be unaffected by distortion of the flow in the immediate vicinity.

Orifice plates are most commonly used primary elements for flow measurement in pipelines based on the principle of measurement of ‘differential pressure’ created when an obstruction is placed in the fluid flow, due to increase in fluid velocity.

Orifice Plates cover a wide range of. Fundamentals of Orifice Meter Measurement This white paper provides an overview of orifice meter technology, its advantages and general installation recommendations, as well as describes basic gas flow laws and the variables of orifice meter flow equations.

The concentric orifice plate flow meter has a sharp (square-edged) concentric bore that provides an almost pure line contact between the plate and the fluid, with negligible friction drag at the boundary.

The beta (or diameter) ratios of concentric orifice plates range from to The maximum velocity and minimum static pressure occurs. - the type of orifice plate (Square, Restriction etc.) Letter height approx. 4 mm; Welding of tab Tab may be integral with orifice plate up to and including 7 mm plate thickness.

In other cases full penetration joint to be applied. Finish of plate The upstream and downstream faces of the orifice plate to a diameter equal to D3 shall have a. In the case of an orifice plate with no downstream pipeline, ISO/TR implied that an orifice plate discharging into a large space from a pipe of finite bore will have the same discharge coefficient using corner tappings as an orifice plate installed with a downstream pipe of the same diameter as the upstream by: 3.

Orifice Bore: In accordance with ISO, BS, ASME MFC 3M, AGA Tab Plate: In the same material as plate & is welded to orifice plate. Tab plate integral to the Orifice plate (i.e. without welding) can also be offered as a special case. Vent / Drain: Vent or Drain holes are provided as per customer's requirement.

Description: The Rosemount Compact Orifice Flowmeter Series is designed for closed loop control and general purpose monitoring applications. This design lowers the total installed cost of DP Flow measurement points eliminating the need for fittings, impulse tubing, valves, adapters and.

Process Media Type: Liquid; Type: Orifice Plate. The orifice discharge-coefficient equation is made up of the following terms: the discharge coefficient using corner tappings for infinite Reynolds number, the slope term which gives the increase Author: Michael Reader-Harris. You can write a book review and share your experiences.

Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Ateachorificethetemperature and static pressurewereobserved, and the fall of pressurethroughthe orifice was measuredbetween pairsof taps locatedin each of the three wayscommonlyFile Size: 9MB.Flow Measurement: By Square-Edged Orifice Plate Using Corner Tappings.

Author W. J. Clark. Rating: 5 out of 5 stars In recent years, Eveleigh Press, the book side of our organisation, has been beavering away on a number of publications. One, The Steam Tram in Australia and New Zealand, which has been in preparation for five years, is due.Pressure tappings 16 Devices for improving flow conditions 16 Section 5.

Operational deviations General 20 Deformation of an orifice plate 20 Deposition of the upstream face of an orifice plate 22 Deposition in the meter tube 22 Deposition and increase of surface roughness in Venturi tubes 22 Orifice plate edge File Size: KB.