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Author : J. P. Lucas
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (389 download)
Download or read book A Method of Low-speed Anemometer Calibration written by J. P. Lucas and published by . This book was released on 1964 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jun Liu
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (268 download)
Download or read book A Method for Hot Wire Anemometer Calibration in Low Air Velocity written by Jun Liu and published by . This book was released on 1992 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard C. Judson (Jr.)
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (115 download)
Download or read book Calibration of the Hot Wire Anemometer at Low Speeds by Photographic Methods written by Howard C. Judson (Jr.) and published by . This book was released on 1949 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F.L. Thomas
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (756 download)
Download or read book Calibration of Low Speed Vane Anemometer written by F.L. Thomas and published by . This book was released on 1950 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce D. Fisher
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Flight Evaluation of a Trailing Anemometer for Low-speed Calibrations of Airspeed Systems on Research Aircraft written by Bruce D. Fisher and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research airspeed systems on three low-speed general aviation airplanes were calibrated by the trailing anemometer method. Each airplane was fitted with an NASA pitot-static pressure tube mounted on either a nose or wing boom. The uncalibrated airspeed systems contained residual static-pressure position errors which were too large for high-accuracy flight research applications. The trailing anemometer calibration was in agreement with the tower flyby calibration for the one aircraft for which the comparison was made. The continuous deceleration technique for the trailing anemometer method offers reduced test time with no appreciable loss of accuracy for airspeed systems with pitot-static system lag characteristics similar to those described.
Author : Stefano Discetti
Publisher : CRC Press
ISBN 13 : 1498704042
Total Pages : 611 pages
Book Rating : 4.4/5 (987 download)
Download or read book Experimental Aerodynamics written by Stefano Discetti and published by CRC Press. This book was released on 2017-03-16 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Aerodynamics provides an up to date study of this key area of aeronautical engineering. The field has undergone significant evolution with the development of 3D techniques, data processing methods, and the conjugation of simultaneous measurements of multiple quantities. Written for undergraduate and graduate students in Aerospace Engineering, the text features chapters by leading experts, with a consistent structure, level, and pedagogical approach. Fundamentals of measurements and recent research developments are introduced, supported by numerous examples, illustrations, and problems. The text will also be of interest to those studying mechanical systems, such as wind turbines.
Author :
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Paper written by and published by . This book was released on 1978 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Booth
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (865 download)
Download or read book The Calibration of Hot Wire Anemometers at Low Speed written by D. Booth and published by . This book was released on 1978 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. P. Dring
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (696 download)
Download or read book ASME 69-HT-A written by R. P. Dring and published by . This book was released on 1969 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce D. Fisher
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (31 download)
Download or read book A Flight Evaluation of a Trailing Anemometer for Low-speed Calibrations of Airspeed Systems on Research Aircraft written by Bruce D. Fisher and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. H. Brown
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book Wind Tunnel and Laboratory Calibration of Balloon-borne Wind Sensors written by J. H. Brown and published by . This book was released on 1981 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-low speed wind sensors have been calibrated for measuring the wind speed at an instrument suspended below stratospheric balloons. The low Reynolds number environment was duplicated at the NASA/Ames low-speed MARSWIT wind-tunnel facility, and in a laboratory bell jar. The two new instruments are the time-of-flight instrument that measures the motion of an ion cloud through an open pipe, and the corona anemometer that measures the displacement of an ion beam transversing the air-stream flowing between two plates. The calibrations consist of placing the instruments in a flow stream, and relating the instrument output to the flow-stream velocity. The laboratory calibration is easy to conduct, but is limited to a measurement of internal flow velocity. The wind-tunnel calibration is performed to relate laboratory calibration to freestream conditions. (Author).
Author : Noor A Ahmed
Publisher : CRC Press
ISBN 13 : 0429805446
Total Pages : 320 pages
Book Rating : 4.4/5 (298 download)
Download or read book Coanda Effect written by Noor A Ahmed and published by CRC Press. This book was released on 2019-08-28 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coanda effect is a complex fluid flow phenomenon enabling the production of vertical take-off/landing aircraft. Other applications range from helicopters to road vehicles, from flow mixing to combustion, from noise reduction to pollution control, from power generation to robot operation, and so forth. Book starts with description of the effect, its history and general formulation of governing equations/simplifications used in different applications. Further, it gives an account of this effect’s lift boosting potential on a wing and in non-flying vehicles including industrial applications. Finally, occurrence of the same in human body and associated adverse medical conditions are explained.
Author : Fred Garcia
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book Method Factors for Anemometer Measurement at Pipe Outlets written by Fred Garcia and published by . This book was released on 1987 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (317 download)
Download or read book Low-speed Airspeed Calibration Data for a Single-engine Research-support Aircraft written by and published by . This book was released on 1980 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. P. Purtell
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Low-velocity Airflow Calibration and Research Facility written by L. P. Purtell and published by . This book was released on 1979 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hampton P. Stump
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Method of Calibrating Wind Velocity Sensors with a Modified Gas Flow Calibrator written by Hampton P. Stump and published by . This book was released on 1978 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes a procedure for calibrating air velocity sensors in the exhaust flow of a gas flow calibrator.
Author : Constantin Schosser
Publisher : diplom.de
ISBN 13 : 3836639602
Total Pages : 109 pages
Book Rating : 4.8/5 (366 download)
Download or read book Development of an automated calibration system for hotwire anemometers written by Constantin Schosser and published by diplom.de. This book was released on 2010-01-22 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 [...]
