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Author : George Paul Neitzel
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (23 download)
Download or read book Energy Stability of Thermocapillary Convection in Models of the Float-zone Process written by George Paul Neitzel and published by . This book was released on 1985 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781792844089
Total Pages : 28 pages
Book Rating : 4.8/5 (44 download)
Download or read book Stability and Instability of Thermocapillary Convection in Models of the Float-Zone Crystal-Growth Process written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-03 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project was concerned with the determination of conditions of guaranteed stability and instability for thermocapillary convection in a model of the float-zone crystal-growth process. This model, referred to as the half-zone, was studied extensively, both experimentally and theoretically. Our own earlier research determined, using energy-stability theory, sufficient conditions for stability to axisymmetric disturbances. Nearly all results computed were for the case of a liquid with Prandtl Number Pr = 1. Attempts to compute cases for higher Prandtl numbers to allow comparison with the experimental results of other researchers were unsuccessful, but indicated that the condition guaranteeing stability against axisymmetric disturbances would be a value of the Marangoni number (Ma), significantly higher than that at which oscillatory convection was observed experimentally. Thus, additional results were needed to round out the stability picture for this model problem. The research performed under this grant consisted of the following: (1) computation of energy-stability limits for non-axisymmetric disturbances; (2) computation of linear-stability limits for axisymmetric and non-axisymmetric disturbances; (3) numerical simulation of the basic state for half- and full-zones with a deformable free surface; and (4) incorporation of radiation heat transfer into a model energy-stability problem. Each of these is summarized briefly below. Neitzel, G. P. NASA-CR-192695, NAS 1.26:192695 NAG3-1221...
Author : Cindy C. Law
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (357 download)
Download or read book Three-dimensional Energy Stability of Thermocapillary Convection in a Model of the Float-zone, Crystal-growth Process written by Cindy C. Law and published by . This book was released on 1995 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Memorandum written by United States. National Aeronautics and Space Administration and published by . This book was released on 1992 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Straughan
Publisher : Springer Science & Business Media
ISBN 13 : 0387217401
Total Pages : 461 pages
Book Rating : 4.3/5 (872 download)
Download or read book The Energy Method, Stability, and Nonlinear Convection written by Brian Straughan and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Six new chapters (14-19) deal with topics of current interest: multi-component convection diffusion, convection in a compressible fluid, convenction with temperature dependent viscosity and thermal conductivity, penetrative convection, nonlinear stability in ocean circulation models, and numerical solution of eigenvalue problems.
Author : Hendrik C. Kuhlmann
Publisher : Springer
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.X/5 (4 download)
Download or read book Thermocapillary Convection in Models of Crystal Growth written by Hendrik C. Kuhlmann and published by Springer. This book was released on 1999 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This critical overview describes fluid flow driven by the thermocapillary effect in models of crystal growth. Simple models are the floating-zone technique and the open-boat technique. Basic equations, boundary layer scaling, stability analysis, pattern formation and additional buoyancy are discussed. Particular emphasis is given to the understanding of the physics of flow. This reference book gives a state-of-the-art report and reviews the literature available.
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. R. Schmidt
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (317 download)
Download or read book Thermocapillary Flow with Evaporation and Condensation and Its Effect on Liquid Retention in Low-G Fluid Acquisition Devices written by G. R. Schmidt and published by . This book was released on 1994 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Office of Space Science and Applications
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (31 download)
Download or read book Microgravity Science and Applications Program Tasks written by United States. Office of Space Science and Applications and published by . This book was released on 1991 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rodolfo Monti
Publisher : CRC Press
ISBN 13 : 9780415275811
Total Pages : 630 pages
Book Rating : 4.2/5 (758 download)
Download or read book Physics of Fluids in Microgravity written by Rodolfo Monti and published by CRC Press. This book was released on 2002-01-10 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a microgravity experiment, the conditions prevalent in fluid phases can be substantially different from those on the ground and can be exploited to improve different processes. Fluid physics research in microgravity is important for the advancement of all microgravity scients: life, material, and engineering. Space flight provides a unique laboratory that allows scientists to improve their understanding of the behaviour of fluids in low gravity, allowing the investigation of phenomena and processes normally masked by the effects of gravity and thus difficult to study on Earth. Physics of Fluids in Microgravity provides a clear view of recent research and progress in the different fields of fluid research in space. The topics presented include bubles and drops dynamics, Maragoni flows, diffustion and thermodiffusion, solidfication,a nd crystal growth. The results obtained so far are, in some cases, to be confirmed by extensive research activities on the International Space station, where basic and applied microgravity experimentation will take place in the years to come.
Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.F/5 ( download)
Download or read book NASA's University Program Active Projects written by and published by . This book was released on with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration. Office of University Affairs
Publisher :
ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA's University Program written by United States. National Aeronautics and Space Administration. Office of University Affairs and published by . This book was released on with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. P. Neitzel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Linear Stability Theory of Thermo-capillary Convection in a Model of Float-zone Crystal Growth written by G. P. Neitzel and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marcello Lappa
Publisher : John Wiley & Sons
ISBN 13 : 0470749997
Total Pages : 690 pages
Book Rating : 4.4/5 (77 download)
Download or read book Thermal Convection written by Marcello Lappa and published by John Wiley & Sons. This book was released on 2009-11-05 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal Convection - Patterns, Stages of Evolution and Stability Behavior provides the reader with an ensemble picture of the subject, illustrating the state-of-the-art and providing the researchers from universities and industry with a basis on which they are able to estimate the possible impact of a variety of parameters. Unlike earlier books on the subject, the heavy mathematical background underlying and governing the behaviors illustrated in the text are kept to a minimum. The text clarifies some still unresolved controversies pertaining to the physical nature of the dominating driving force responsible for asymmetric/oscillatory convection in various natural phenomena and/or technologically important processes and can help researchers in elaborating and validating new, more complex models, in accelerating the current trend towards predictable and reproducible natural phenomena and in establishing an adequate scientific foundation to industrial processes. Thermal Convection - Patterns, Stages of Evolution and Stability Behavior is intended as a useful reference guide for specialists in disciplines such as the metallurgy and foundry field and researchers and scientists who are now coordinating their efforts to improve the quality of semiconductor or macromolecular crystals. The text may also be of use to organic chemists and materials scientists, atmosphere and planetary physicists, as well as an advanced level text for students taking part in courses on the physics of fluids, fluid mechanics, the behavior and evolution of non-linear systems, environmental phenomena and materials engineering.
Author :
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (31 download)
Download or read book Microgravity Science and Applications Program Tasks written by and published by . This book was released on 1992 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (317 download)
Download or read book Microgravity Science and Applications Program Tasks, 1990 Revision written by and published by . This book was released on 1991 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert L. Sani
Publisher : AIAA
ISBN 13 : 9781600863844
Total Pages : 786 pages
Book Rating : 4.8/5 (638 download)
Download or read book Low-Gravity Fluid Dynamics and Transport Phenomena written by Robert L. Sani and published by AIAA. This book was released on 1990 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
