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High Reynolds Number Flows Using Liquid and Gaseous Helium

High Reynolds Number Flows Using Liquid and Gaseous Helium PDF Author: Russell J. Donnelly
Publisher: Springer Science & Business Media
ISBN: 1461231086
Category : Science
Languages : en
Pages : 283

Book Description
Liquid helium has been studied for its intrinsic interest through much of the 20th century. In the past decade, much has been learned about heat transfer in liquid helium because of the need to cool superconducting magnets and other devices. The topic of the Seventh Oregon Conference on Low Temperature Physics was an applied one, namely the use of liquid and gaseous helium to generate high Reynolds number flows. The low kinematic viscosity of liquid helium automatically makes high Reynolds numbers accessible and the question addressed in this conference was to explore various possibilities to see what practical devices might be built using liquid or gaseous helium. There are a number of possibilities: construction of a wind tunnel using critical helium gas, free surface testing, low speed flow facilities using helium I and helium ll. At the time of the conference, most consideration had been given to the last possibility because it seemed both possible and useful to build a flow facility which could reach unprecedented Reynolds numbers. Such a device could be useful in pure research for studying turbulence, and in applied research for testing models much as is done in a water tunnel. In order to examine these possibilities in detail, we invited a wide range of experts to Eugene in October 1989 to present papers on their own specialties and to listen to presentations on the liquid helium proposals.

High Reynolds Number Flows Using Liquid and Gaseous Helium

High Reynolds Number Flows Using Liquid and Gaseous Helium PDF Author: Russell J. Donnelly
Publisher: Springer Science & Business Media
ISBN: 1461231086
Category : Science
Languages : en
Pages : 283

Book Description
Liquid helium has been studied for its intrinsic interest through much of the 20th century. In the past decade, much has been learned about heat transfer in liquid helium because of the need to cool superconducting magnets and other devices. The topic of the Seventh Oregon Conference on Low Temperature Physics was an applied one, namely the use of liquid and gaseous helium to generate high Reynolds number flows. The low kinematic viscosity of liquid helium automatically makes high Reynolds numbers accessible and the question addressed in this conference was to explore various possibilities to see what practical devices might be built using liquid or gaseous helium. There are a number of possibilities: construction of a wind tunnel using critical helium gas, free surface testing, low speed flow facilities using helium I and helium ll. At the time of the conference, most consideration had been given to the last possibility because it seemed both possible and useful to build a flow facility which could reach unprecedented Reynolds numbers. Such a device could be useful in pure research for studying turbulence, and in applied research for testing models much as is done in a water tunnel. In order to examine these possibilities in detail, we invited a wide range of experts to Eugene in October 1989 to present papers on their own specialties and to listen to presentations on the liquid helium proposals.

High Reynolds Number Flows Using Liquid and Gaseous Helium

High Reynolds Number Flows Using Liquid and Gaseous Helium PDF Author: Russell J. Donnelly
Publisher: Springer
ISBN: 9780387974750
Category : Science
Languages : en
Pages : 284

Book Description
Liquid helium has been studied for its intrinsic interest through much of the 20th century. In the past decade, much has been learned about heat transfer in liquid helium because of the need to cool superconducting magnets and other devices. The topic of the Seventh Oregon Conference on Low Temperature Physics was an applied one, namely the use of liquid and gaseous helium to generate high Reynolds number flows. The low kinematic viscosity of liquid helium automatically makes high Reynolds numbers accessible and the question addressed in this conference was to explore various possibilities to see what practical devices might be built using liquid or gaseous helium. There are a number of possibilities: construction of a wind tunnel using critical helium gas, free surface testing, low speed flow facilities using helium I and helium ll. At the time of the conference, most consideration had been given to the last possibility because it seemed both possible and useful to build a flow facility which could reach unprecedented Reynolds numbers. Such a device could be useful in pure research for studying turbulence, and in applied research for testing models much as is done in a water tunnel. In order to examine these possibilities in detail, we invited a wide range of experts to Eugene in October 1989 to present papers on their own specialties and to listen to presentations on the liquid helium proposals.

Flow at Ultra-High Reynolds and Rayleigh Numbers

Flow at Ultra-High Reynolds and Rayleigh Numbers PDF Author: Russell J. Donnelly
Publisher: Springer Science & Business Media
ISBN: 1461222303
Category : Science
Languages : en
Pages : 483

Book Description
Scientists have learned to use liquid and gaseous helium to overcome the limitations imposed by the usual wind and water tunnels for testing the performance of aircraft or the behavior of the atmosphere. This book covers fundamental studies of the turbulence problem, practical applications of turbulence, superfluid turbulence, cryogenic turbulence research, and new types of miniature flow instrumentation, all which are crucial for high Reynolds number research. This state-of-the-art presentation will interest physicists in fluid dynamics, engineers working with turbulent flows, and naval and aerospace engineers testing realistic parameter ranges.

Advances in Applied Mechanics

Advances in Applied Mechanics PDF Author:
Publisher: Elsevier
ISBN: 0080526608
Category : Technology & Engineering
Languages : en
Pages : 391

Book Description
This highly acclaimed series provides survey articles on the present state and future direction of research in important branches of applied solid and fluid mechanics.Mechanics is defined as a branch of physics that focuses on motion and on the reaction of physical systems to internal and external forces.

Third International Symposium on Magnetic Suspension Technology

Third International Symposium on Magnetic Suspension Technology PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 412

Book Description


Advances in Cryogenic Engineering

Advances in Cryogenic Engineering PDF Author: Peter Kittel
Publisher: Springer Science & Business Media
ISBN: 1461525225
Category : Science
Languages : en
Pages : 2020

Book Description
The Albuquerque Convention Center was the venue for the 1993 Cryogenic Engineering Conference. The meeting was held jointly with the International Cryogenic Materials Conference. Walter F. Stewart, of Los Alamos National Laboratory, was conference chairman. Albuquerque is near Los Alamos National Laboratory which has been a significant contributor to the cryogenics community since the early days of the Manhattan Project. Albuquerque is also the home of the Air Force's Phillips Laboratory which has a lead role in developing cryocoolers. The program consisted of 322 CEC papers, more than a 30% increase from CEC-91 and 20% more than CEC-89. This was the largest number of papers ever submitted to the CEC. Of these, 249 papers are published here, in Volume 39 of Advances in Cryogenic Engineering. Once again the volume is published in two books. This volume includes a cumulative index for the CEC volumes from 1975-1993 (volumes 21,23,25,27,29,31,33,35,37, and 39 of Advances in Cryogenic Engineering). The first 20 volumes are indexed in Volume 20. A companion cumulative index for the ICMC volumes (volumes 22 through 40) appears in Volume 40. This is my first volume as editor. I would not have been able to have done it without the assistance of the many reviewers. Especially appreciated was the instruction manual left me by the previous editor, Ron Fast.

Handbook of Superconductivity

Handbook of Superconductivity PDF Author: David A. Cardwell
Publisher: CRC Press
ISBN: 1000600084
Category : Science
Languages : en
Pages : 1292

Book Description
This is the second of three volumes of the extensively revised and updated second edition of the Handbook of Superconductivity. The past twenty years have seen rapid progress in superconducting materials, which exhibit one of the most remarkable physical states of matter ever to be discovered. Superconductivity brings quantum mechanics to the scale of the everyday world where a single, coherent quantum state may extend over a distance of metres, or even kilometres, depending on the size of a coil or length of superconducting wire. Viable applications of superconductors rely fundamentally on an understanding of this intriguing phenomena and the availability of a range of materials with bespoke properties to meet practical needs. While the first volume covers the fundamentals of superconductivity and the various classes of superconducting materials, Volume 2 covers processing of the desired superconducting materials into desired forms: bulks, films, wires and junction-based devices. The volume closes with articles on the refrigeration methods needed to put the materials into the superconducting state. Key Features: Covers the depth and breadth of the field Includes contributions from leading academics and industry professionals across the world Provides hands-on guidance to the manufacturing and processing technologies A comprehensive reference, the handbook is suitable for both graduate students and practitioners in experimental physics, materials science, and multiple engineering disciplines, including electronic and electrical, chemical, mechanical, metallurgy and others.

Fifth International Symposium on Magnetic Suspension Technology

Fifth International Symposium on Magnetic Suspension Technology PDF Author: Nelson J. Groom
Publisher:
ISBN:
Category : Actuators
Languages : en
Pages : 744

Book Description
Examines the state of technology of all areas of magnetic suspension and reviews recent developments in sensors, controls, superconducting magnet technology, and design/implementation practices.

Turbulence Structure and Vortex Dynamics

Turbulence Structure and Vortex Dynamics PDF Author: J. C. Vassilicos
Publisher: Cambridge University Press
ISBN: 9780521781312
Category : Mathematics
Languages : en
Pages : 326

Book Description
Edited volume on turbulence, first published in 2000.

Trends in Nanophysics

Trends in Nanophysics PDF Author: Alexandru Aldea
Publisher: Springer Science & Business Media
ISBN: 3642120709
Category : Technology & Engineering
Languages : en
Pages : 383

Book Description
This book explores a variety of diverse issues in nanotechnology, including radiation-induced polymerization, cross-linking and grafting; Mossbauer study of nanomaterials; biomedical applications of nanomaterials; graphene and carbon nanotubes; and many more.