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Author : Byron K. Hill
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (245 download)
Download or read book High Accuracy Air Flow Measurement System written by Byron K. Hill and published by . This book was released on 1990 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ernest Ower
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Measurement of Air Flow written by Ernest Ower and published by . This book was released on 1966 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. Ower
Publisher : Elsevier
ISBN 13 : 1483188043
Total Pages : 385 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Measurement of Air Flow written by E. Ower and published by Elsevier. This book was released on 2014-05-09 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Measurement of Air Flow: 5th Edition (in SI Units) deals primarily with the measurement (expressed in SI units) of the speed of air in motion relative to solid boundaries or surfaces. The methods described apply not only to air flow but also to the flow of other gases with little, if any, modification, except as regards the numerical values of the various physical properties occurring in the equations. Furthermore, much of the theory applies to the flow of both liquids and gases. Comprised of 13 chapters, this volume begins with an overview of the general principles of the pressure-tube anemometer used in measuring pressure difference from which the speed of flow can be deduced. The reader is then introduced to the characteristics of pitot and static tubes in incompressible flow; pitot and static observations in compressible flow; and the flow of air in pipes of circular cross-section. Subsequent chapters focus on the measurement of incompressible flow in pipes by pitot and static traverse methods; methods of flow measurement based upon the rates of cooling of hot bodies; and the measurement of pulsating flow. This book is intended for students and engineers and for other practitioners concerned with the measurement of the speed of air flow.
Author : David M. Schwenk
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (88 download)
Download or read book Air Flow Measurement Accuracy written by David M. Schwenk and published by . This book was released on 1998 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael A. Crabtree
Publisher : CRC Press
ISBN 13 : 1000754405
Total Pages : 374 pages
Book Rating : 4.0/5 (7 download)
Download or read book The Concise Industrial Flow Measurement Handbook written by Michael A. Crabtree and published by CRC Press. This book was released on 2019-11-11 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Concise Industrial Flow Measurement Handbook: A Definitive Practical Guide covers the complete range of modern flow measuring technologies and represents 40 years of experiential knowledge within a wide variety of industries, and from more than 5000 technicians and engineers who have attended the author’s workshops. This book covers all the current technologies in flow measurement, including high accuracy Coriolis, ultrasonic custody transfer, and high accuracy magnetic flowmeters. The book also discusses flow proving and limitations of different proving methods. This volume contains over 300 explanatory drawings and graphs and is presented in a form suitable for both the beginner, with no prior knowledge of the subject, as well as the more advanced specialist. This book is aimed at professionals in the field, including chemical engineers, process engineers, instrumentation and control engineers, and mechanical engineers.
Author : Ernest Ower
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (6 download)
Download or read book The Measurement of Air Flow written by Ernest Ower and published by . This book was released on 1927 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. S. Gravenstein
Publisher : Cambridge University Press
ISBN 13 : 1139494333
Total Pages : 489 pages
Book Rating : 4.1/5 (394 download)
Download or read book Capnography written by J. S. Gravenstein and published by Cambridge University Press. This book was released on 2011-03-17 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years capnography has gained a foothold in the medical field and is fast becoming a standard of care in anaesthesiology and critical care medicine. In addition, newer applications have emerged which have expanded the utility of capnographs in a number of medical disciplines. This new edition of the definitive text on capnography reviews every aspect of this valuable diagnostic technique. An introductory section summarises the basic physiology of carbon dioxide generation and transport in the body. A technical section describes how the instruments work, and a comprehensive clinical section reviews the use of capnography to diagnose a wide range of clinical disorders. Edited by the world experts in the technique, and with over 40 specialist contributors, Capnography, second edition, is the most comprehensive review available on the application of capnography in health care.
Author : William J. Fisk
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)
Download or read book Real-Time Measurement of Rates of Outdoor Airflow Into HVACSystems written by William J. Fisk and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Technologies for real-time continuous measurement of the flow rates of outdoor air (OA) into HVAC systems are now available commercially. Our prior papers reported on laboratory-based evaluations of these measurement technologies and this document describes the methods and results of a field study of the accuracy of three of these technologies. From the field study data, we determined that neither wind speed nor wind direction have an important adverse impact on measurement accuracy. The field study confirmed that these three measurement technologies can provide reasonably accurate measurements of outdoor air intake rates in field settings, if the pressure signals are measured with high accuracy. Some of the pressure transducers marketed for use with commercial HVAC systems were determined to be sufficiently accurate for this application. Given the significant impact of OA flow rates on both energy use and occupant health, more widespread use of technologies that provide for real time measurements of OA flow rates seems warranted.
Author :
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.3/5 (91 download)
Download or read book Quality Assurance Handbook for Air Pollution Measurement Systems written by and published by . This book was released on 1984 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul J. LaNasa
Publisher : Butterworth-Heinemann
ISBN 13 : 0124095321
Total Pages : 297 pages
Book Rating : 4.1/5 (24 download)
Download or read book Fluid Flow Measurement written by Paul J. LaNasa and published by Butterworth-Heinemann. This book was released on 2014-04-12 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a tendency to make flow measurement a highly theoretical and technical subject but what most influences quality measurement is the practical application of meters, metering principles, and metering equipment and the use of quality equipment that can continue to function through the years with proper maintenance have the most influence in obtaining quality measurement. This guide provides a review of basic laws and principles, an overview of physical characteristics and behavior of gases and liquids, and a look at the dynamics of flow. The authors examine applications of specific meters, readout and related devices, and proving systems. Practical guidelines for the meter in use, condition of the fluid, details of the entire metering system, installation and operation, and the timing and quality of maintenance are also included. This book is dedicated to condensing and sharing the authors' extensive experience in solving flow measurement problems with design engineers, operating personnel (from top supervisors to the newest testers), academically-based engineers, engineers of the manufacturers of flow meter equipment, worldwide practitioners, theorists, and people just getting into the business. The authors' many years of experience are brought to bear in a thorough review of fluid flow measurement methods and applications Avoids theory and focuses on presentation of practical data for the novice and veteran engineer Useful for a wide range of engineers and technicians (as well as students) in a wide range of industries and applications
Author : Jianchen Hu
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (877 download)
Download or read book Frequency Response Characteristics of Respiratory Flow-meters written by Jianchen Hu and published by . This book was released on 2013 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flow measurement has always been one of the most critical processes in many industrial and clinical applications. The dynamic behavior of flow helps to define the state of a process. An industrial example would be that in an aircraft, where the rate of airflow passing the aircraft is used to determine the speed of the plane. A clinical example would be that the flow of a patient's breath which could help determine the state of the patient's lungs. This project is focused on the flow-meter that are used for airflow measurement in human lungs. In order to do these measurements, resistive-type flow-meters are commonly used in respiratory measurement systems. This method consists of passing the respiratory flow through a fluid resistive component, while measuring the resulting pressure drop, which is linearly related to volumetric flow rate. These types of flow-meters typically have a low frequency response but are adequate for most applications, including spirometry and respiration monitoring. In the case of lung parameter estimation methods, such as the Quick Obstruction Method, it becomes important to have a higher frequency response in the flow-meter so that the high frequency components in the flow are measurable. The following three types of flow-meters were: a. Capillary type b. Screen Pneumotach type c. Square Edge orifice type To measure the frequency response, a sinusoidal flow is generated with a small speaker and passed through the flow-meter that is connected to a large, rigid container. True flow is proportional to the derivative of the pressure inside the container. True flow is then compared with the measured flow, which is proportional to the pressure drop across the flow-meter. In order to do the characterization, two LabVIEW data acquisition programs have been developed, one for transducer calibration, and another one that records flow and pressure data for frequency response testing of the flow-meter. In addition, a model that explains the behavior exhibited by the flow-meter has been proposed and simulated. This model contains a fluid resistor and inductor in series. The final step in this project was to approximate the frequency response data to the developed model expressed as a transfer function.
Author : Frank E. Jones
Publisher : CRC Press
ISBN 13 : 1000141101
Total Pages : 180 pages
Book Rating : 4.0/5 (1 download)
Download or read book Techniques and Topics in Flow Measurement written by Frank E. Jones and published by CRC Press. This book was released on 2020-09-11 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques and Topics in Flow Measurement covers the applications and techniques of flow measurement. This definitive book provides guidelines for choosing appropriate techniques and assuring valid measurements as well as describes methods for treatment of calibration data in fluid flow under various conditions. The book also covers three systems of units: the SI system, the English Absolute Dimensional system, and the English Engineering system. Commonly used - and often misused - variables such as force, weight, and pressure are defined, and the relationships between the systems for these common variables are summarized. One of the many unique features of Techniques and Topics in Flow Measurement is the number of ready-to-use tables included throughout the text. Tables are provided for such commonly encountered variables as the saturation vapor pressure of water; the composition of dry air; the compressibility factor for air; air-free and air-saturated water density; viscosity of dry air, nitrogen, and other gases; and specific heat/specific volume ratios for dry air, water vapor, and moist air. Another unique feature of this book is the number of highly relevant examples. The author includes examples/exercises that demonstrate applications for density calculations; water vapor mixing ratio determination; gas viscosity interpolation; NIST guideline applications; buoyancy corrections; and more.
Author : William J. Fisk
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (316 download)
Download or read book An Evaluation of Technologies for Real-time Measurement of Rates of Outdoor Airflow Into HVAC Systems written by William J. Fisk and published by . This book was released on 2004 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last few years, new technologies have been introduced for real-time continuous measurement of the flow rates of outdoor air (OA) into HVAC systems; however, an evaluation of these measurement technologies has not previously been published. This document describes a test system and protocols developed for a controlled evaluation of these measurement technologies. The results of tests of four commercially available measurement technologies and one prototype based on a new design are also summarized. The test system and protocol were judged practical and very useful. The series of tests identified three commercially available measurement technologies that should provide reasonably accurate measurements of OA flow rates as long as air velocities are maintained high enough to produce accurately measurable pressure signals. In HVAC systems with economizer controls, to maintain the required air velocities the OA intake will need to be divided into two sections in parallel, each with a separate OA damper. The errors in OA flow rates measured with the fourth commercially available measurement technology were 20% to 30% with horizontal probes but much larger with vertical probes. The new prototype measurement technology was the only one that appears suitable for measuring OA flow rates over their full range from 20% OA to 100% OA without using two separate OA dampers. All of the measurement devices had pressure drops that are likely to be judged acceptable. The influence of wind on the accuracy of these measurement technologies still needs to be evaluated.
Author : James E. Gallagher
Publisher : Elsevier
ISBN 13 : 0128000007
Total Pages : 497 pages
Book Rating : 4.1/5 (28 download)
Download or read book Natural Gas Measurement Handbook written by James E. Gallagher and published by Elsevier. This book was released on 2013-11-25 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This information-packed volume covers all aspects of natural gas measurement.
Author : R. C. Baker
Publisher : Cambridge University Press
ISBN 13 : 110704586X
Total Pages : 793 pages
Book Rating : 4.1/5 (7 download)
Download or read book Flow Measurement Handbook written by R. C. Baker and published by Cambridge University Press. This book was released on 2016-08-25 with total page 793 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flow Measurement Handbook is a reference for engineers on flow measurement techniques and instruments. It strikes a balance between laboratory ideas and the realities of field experience and provides practical advice on design, operation and performance of flowmeters. It begins with a review of essentials: accuracy, flow, selection and calibration methods. Each chapter is then devoted to a flowmeter class and includes information on design, application installation, calibration and operation. Among the flowmeters discussed are differential pressure devices such as orifice and Venturi, volumetric flowmeters such as positive displacement, turbine, vortex, electromagnetic, magnetic resonance, ultrasonic, acoustic, multiphase flowmeters and mass meters, such as thermal and Coriolis. There are also chapters on probes, verification and remote data access.
Author : Kaveh Azar
Publisher : CRC Press
ISBN 13 : 1000141268
Total Pages : 498 pages
Book Rating : 4.0/5 (1 download)
Download or read book Thermal Measurements in Electronics Cooling written by Kaveh Azar and published by CRC Press. This book was released on 2020-08-26 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filled with careful explanations, step-by-step instructions, and useful examples, this handbook focuses on real-world considerations and applications of thermal measurement methods in electronics cooling. Fifteen experts in thermal engineering combine their expertise to create a complete guide to this complex topic. This practical reference covers all aspects of thermal characterization in electronics cooling and thermal management. The first part of the book introduces the concept of electronics cooling and its associated thermal phenomenon and explains why experimental investigation is required. Subsequent chapters explain methods of measuring different parameters and introduce relevant examples. Sources for locating needed equipment, tables, checklists, and to-do lists are included. Sample calculations and methodologies for error analysis ensure that you can put this valuable information to use in your work.
Author : R. C. Baker
Publisher : Cambridge University Press
ISBN 13 : 0521480108
Total Pages : 562 pages
Book Rating : 4.5/5 (214 download)
Download or read book Flow Measurement Handbook written by R. C. Baker and published by Cambridge University Press. This book was released on 2000-05-29 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical, comprehensive advice on the design, operation, and performance of flowmeters.
