Characteristics Of The Flow About Oscillating Cylinders And Rotating Plates PDF Download

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Flow Around a Rotating Circular Cylinder with an End Plate Near a Plane Wall Boundary

Flow Around a Rotating Circular Cylinder with an End Plate Near a Plane Wall Boundary
Author: Jay K. Panchal
Publisher:
Total Pages: 86
Release: 2013
Genre: Cylinders
ISBN: 9781303020575

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Abstract: The objective of the present study is to investigate the characteristics of a flow around a rotating circular cylinder with and without an end plate near a wall boundary. The different cases which are taken into consideration in the current investigations were with gap ratios of 0.1d, 0.5d, 1.0d, 1.5d and 2.0d. A symmetric end plate is attached behind the rotating circular cylinder at a distance of 0.1d from the cylinder and a gap ratio of 1.5d. We performed Computational Fluid Dynamics (CFD) simulation of the flow around a rotating circular cylinder near a plane wall boundary using a CFD solver, STAR-CCM+. Free-stream velocity is kept constant at 5 m/s and the Reynolds number calculated is 3.24X10 4 . We then studied the flow characteristics such as lift and drag generated on the circular cylinder with and without an end plate and the wake structure. We observed that the vortex suppression is increased when the gap ratio is reduced, i.e., when the circular cylinder is nearer to the plane wall boundary. As the gap ratio increases the drag force generated decreases and the lift force increases considerably. In the case of rotating circular cylinder with an end plate, the wake area has moved upwards and the lift generated has increased manifold.


Mechanical Variables Measurement - Solid, Fluid, and Thermal

Mechanical Variables Measurement - Solid, Fluid, and Thermal
Author: John G. Webster
Publisher: CRC Press
Total Pages: 668
Release: 1999-12-28
Genre: Technology & Engineering
ISBN: 9780849300479

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Accuracy in the laboratory setting is key to maintaining the integrity of scientific research. Inaccurate measurements create false and non-reproducible results, rendering an experiment or series of experiments invalid and wasting both time and money. This handy guide to solid, fluid, and thermal measurement helps minimize this pitfall through careful detailing of measurement techniques. Concise yet thorough, Mechanical Variables Measurement-Solid, Fluid, and Thermal describes the use of instruments and methods for practical measurements required in engineering, physics, chemistry, and the life sciences. Organized according to measurement problem, the entries are easy to access. The articles provide equations to assist engineers and scientists who seek to discover applications and solve problems that arise in areas outside of their specialty. Sections include references to more specialized publications for advanced techniques, as well. It offers instruction for a range of measuring techniques, basic through advanced, that apply to a broad base of disciplines. As an engineer, scientist, designer, manager, researcher, or student, you encounter the problem of measurement often and realize that doing it correctly is pivotal to the success of an experiment. This is the first place to turn when deciding on, performing, and troubleshooting the measurement process. Mechanical Variables Measurement-Solid, Fluid, and Thermal leads the reader, step-by-step, through the straits of experimentation to triumph.


Measurement, Instrumentation, and Sensors Handbook

Measurement, Instrumentation, and Sensors Handbook
Author: John G. Webster
Publisher: CRC Press
Total Pages: 1639
Release: 2018-09-03
Genre: Medical
ISBN: 1439863261

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This new edition of the bestselling Measurement, Instrumentation, and Sensors Handbook brings together all aspects of the design and implementation of measurement, instrumentation, and sensors. Reflecting the current state of the art, it describes the use of instruments and techniques for performing practical measurements in engineering, physics, chemistry, and the life sciences; explains sensors and the associated hardware and software; and discusses processing systems, automatic data acquisition, reduction and analysis, operation characteristics, accuracy, errors, calibrations, and the incorporation of standards for control purposes. Organized according to measurement problem, the Second Edition: Consists of 2 volumes Features contributions from 240+ field experts Contains 53 new chapters, plus updates to all 194 existing chapters Addresses different ways of making measurements for given variables Emphasizes modern intelligent instruments and techniques, human factors, modern display methods, instrument networks, and virtual instruments Explains modern wireless techniques, sensors, measurements, and applications A concise and useful reference for engineers, scientists, academic faculty, students, designers, managers, and industry professionals involved in instrumentation and measurement research and development, Measurement, Instrumentation, and Sensors Handbook, Second Edition provides readers with a greater understanding of advanced applications.


Measurement, Instrumentation, and Sensors Handbook, Second Edition

Measurement, Instrumentation, and Sensors Handbook, Second Edition
Author: John G. Webster
Publisher: CRC Press
Total Pages: 1641
Release: 2014-01-29
Genre: Medical
ISBN: 1439848882

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The Second Edition of the bestselling Measurement, Instrumentation, and Sensors Handbook brings together all aspects of the design and implementation of measurement, instrumentation, and sensors. Reflecting the current state of the art, it describes the use of instruments and techniques for performing practical measurements in engineering, physics, chemistry, and the life sciences and discusses processing systems, automatic data acquisition, reduction and analysis, operation characteristics, accuracy, errors, calibrations, and the incorporation of standards for control purposes. Organized according to measurement problem, the Spatial, Mechanical, Thermal, and Radiation Measurement volume of the Second Edition: Contains contributions from field experts, new chapters, and updates to all 96 existing chapters Covers instrumentation and measurement concepts, spatial and mechanical variables, displacement, acoustics, flow and spot velocity, radiation, wireless sensors and instrumentation, and control and human factors A concise and useful reference for engineers, scientists, academic faculty, students, designers, managers, and industry professionals involved in instrumentation and measurement research and development, Measurement, Instrumentation, and Sensors Handbook, Second Edition: Spatial, Mechanical, Thermal, and Radiation Measurement provides readers with a greater understanding of advanced applications.


Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports
Author:
Publisher:
Total Pages: 1460
Release: 1991
Genre: Aeronautics
ISBN:

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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.


Laboratory experiments and numerical simulations of inertial waves in a rotating spherical shell

Laboratory experiments and numerical simulations of inertial waves in a rotating spherical shell
Author: Sandy Dahley
Publisher: Cuvillier Verlag
Total Pages: 118
Release: 2016-02-01
Genre: Science
ISBN: 3736981988

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Geo- und astrophysikalisch motivierte Strömungen, wie sie in der Atmosphäre, in den Ozeanen oder im Inneren von Planeten auftreten, lassen sich in rotierenden Experimenten mit homogenen Fluiden untersuchen. In dieser Arbeit werden Untersuchungen zu Trägheitswellen und Wellenattraktoren in einer Kugelschale und einem rechteckigen Tank gezeigt. Viele geophysikalische Anwendungen mit planetaren Skalen motivieren den Einsatz von sphärischen Geometrien. Mit dem Kugelspaltexperiment, bestehend aus zwei rotierenden konzentrisch angeordneten Kugelschalen, werden die Anregung und Ausbildung verschiedener Wellenphänomene sowie der internen Grenzschichten untersucht. Durch eine Modulation der Rotationsgeschwindigkeit an der Innenkugel in Form einer Sinuskurve werden Wellen erzeugt, die an den gekrümmten Rändern des Modells mehrfach reflektiert werden und somit bestimmten Bahnen folgen. Für den Vergleich mit numerischen Untersuchungen werden unterschiedliche Visualisierungen und Messtechniken spezifiziert. Die numerische Simulation erlaubt dabei die Untersuchung in Parameterbereichen mit Instabilitäten, die für die experimentelle Untersuchung schwer zugänglich sind.


Report

Report
Author: United States. National Bureau of Standards
Publisher:
Total Pages: 336
Release: 1968
Genre: Hydraulic engineering
ISBN:

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Applied Mechanics Reviews

Applied Mechanics Reviews
Author:
Publisher:
Total Pages: 636
Release: 1973
Genre: Mechanics, Applied
ISBN:

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