The Calibration Of Hot Wire Anemometers At Low Speed
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The Calibration Of Hot Wire Anemometers At Low Speed
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Author : D. Booth
language : en
Publisher:
Release Date : 1978
The Calibration Of Hot Wire Anemometers At Low Speed written by D. Booth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.
Fundamentals Of Hot Wire Anemometry
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Author : Charles G. Lomas
language : en
Publisher: Cambridge University Press
Release Date : 2011-06-09
Fundamentals Of Hot Wire Anemometry written by Charles G. Lomas and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-09 with Science categories.
This 1985 book provides a summary of the theory and practice of the hot wire anemometer, an instrument used to measure the speed of fluid flow. Many techniques and uses of this instrument are discussed in detail. The author considers such topics as probe fouling, probe design, and circuit design, as well as the thermodynamics of heated wires and thin films. He also discusses measurements of turbulence, shear flows, vorticity, temperature, combined temperature and velocity, two-phase flows, and compressible flows for measurements in air, water, mercury, blood, glycerine, oil, luminous gases, and polymer solutions. The book concludes with a section on the pulsed wire anemometer and other wake-sensing anemometers. This book assumes a familiarity with basic fluid mechanics. However, mathematical descriptions occur near the end of each chapter thus allowing those with a limited mathematical background to make use of the practical details at the beginning of each chapter.
Calibration Of The Hot Wire Anemometer At Low Speeds By Photographic Methods
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Author : Howard C. Judson (Jr.)
language : en
Publisher:
Release Date : 1949
Calibration Of The Hot Wire Anemometer At Low Speeds By Photographic Methods written by Howard C. Judson (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with categories.
A Note On The Calibration And Use Of A Shielded Hot Wire Anemometer For Very Low Speeds
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Author : C. F. Cowdrey
language : en
Publisher:
Release Date : 1947
A Note On The Calibration And Use Of A Shielded Hot Wire Anemometer For Very Low Speeds written by C. F. Cowdrey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with categories.
Development Of An Automated Calibration System For Hotwire Anemometers
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Author : Constantin Schosser
language : en
Publisher: diplom.de
Release Date : 2010-01-22
Development Of An Automated Calibration System For Hotwire Anemometers written by Constantin Schosser and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-22 with Technology & Engineering categories.
Inhaltsangabe:Introduction: In experimental fluid dynamic measurements hot-wire anemometry is used to record information about flow fields. Furthermore one can obtain the magnitude, the direction and even the time dependant behaviour of the fluid flow, if multiple-wire probes are in operation. The hot-wire measurement technique is based on the convective heat transfer from a heated element to the fluid flow, which is actually proportional to the velocity of the flow. So HWA is an indirect measurement technique. There are miscellaneous sensors which work properly in water or other liquids, air or in gas flows. As an example, Fig. 1.1 shows a cross-wire probe in a fluid flow, which can detect the velocity and its direction in two components, if the main flow direction is in one plane (2D flow). Predominantly HWA is a research tool for turbulent flow studies, especially transient procedures. Turbulence models have to be built to represent the characteristics of the flow in numerical simulations (CFD). Therefore only detailed experimental measurements lead to reliable information about the local velocity of a turbulent flow. This can be provided by HWA on the basis of its very high spatial and temporal resolution. Although the development of HWA started at the beginning of the 19th century and new techniques like PIV or LDA (direct methods) have been established, it is still a common device in all wind tunnel labs. The analogue output signal can be optimized by filters before signal processing. It can also be deployed to arrange a spectrum analysis, due to the high temporal resolution. Moreover, unlike the digital devices the analogue signal is densely packed. The range of application is large and leads from sub- and supersonic flows, the independency of the medium to high-temperature measurements. HWA is also affordable in contrast to LDA and PIV systems. In spite of these advantages the natural contamination of the hot-wire probe increases by and by, since the particles in the fluid flow mature themselves to the probe and finally isolate it. As this effect of disturbance causes measuring errors, the hot-wire probes have to be calibrated at frequent intervals - best before and after every data acquisition series. However, HWA is an intrusive measurement technique, thus disturbing the flow. Another disadvantage is that it is not applicable in separation and backward flow regions. The aim of this thesis is to develop an automated calibration system to [...]
The Calibration Of A Hot Wire Anemometer For Use In Low Velocities Of Air
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Author : Donald Raymond Stonemen
language : en
Publisher:
Release Date : 1948
The Calibration Of A Hot Wire Anemometer For Use In Low Velocities Of Air written by Donald Raymond Stonemen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with categories.
Development Of Turbulence Measuring Equipment
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Author : Leslie S. G. Kovásznay
language : en
Publisher:
Release Date : 1953
Development Of Turbulence Measuring Equipment written by Leslie S. G. Kovásznay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Anemometer categories.
Hot-wire turbulence-measuring equipment has been developed to meet the more-stringent requirements involved in the measurement of fluctuations in flow parameters at supersonic velocities. The higher mean speed necessitates the resolution of higher frequency components than at low speed, and the relatively low turbulence level present at supersonic speed makes necessary an improved noise level for the equipment. The equipment covers the frequency range from 2 to 70,000 cycles per second. The equipment is adaptable to all-purpose turbulence work with improved utility and accuracy over that of older types of equipment. Sample measurements are given to demonstrate the performance.
Hot Wire Anemometry
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Author : Anthony Edward Perry
language : en
Publisher: Oxford University Press, USA
Release Date : 1982
Hot Wire Anemometry written by Anthony Edward Perry and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Language Arts & Disciplines categories.
Asme 71 Ht 9
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Author : K. Hollasch
language : en
Publisher:
Release Date : 1971
Asme 71 Ht 9 written by K. Hollasch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Hot-wire anemometer categories.
Extended Applications Of The Hot Wire Anemometer
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Author : Stanley Corrsin
language : en
Publisher:
Release Date : 1949
Extended Applications Of The Hot Wire Anemometer written by Stanley Corrsin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Hot-wire anemometer categories.
Two new fields of application of the hot-wire anemometer are proposed, and the appropriate response equations and measuring procedures are developed.