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Tuesday, May 12, 2020 | History

3 edition of Free-surface phenomena under low-and zero-gravity conditions found in the catalog.

Free-surface phenomena under low-and zero-gravity conditions

Free-surface phenomena under low-and zero-gravity conditions

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Published by California Institute of Technology, [National Aeronautics and Space Administration, National Technical Information Service, distributor in Pasadena, Calif, [Washington, DC, Springfield, Va .
Written in English


Edition Notes

Other titlesFree surface phenomena under low and zero-gravity conditions
StatementLambertus Hesselink
SeriesNASA contractor report -- NASA CR-175885
ContributionsUnited States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL18029011M

The book is focused mainly on theoretical modeling and fundamentals of physics and chemistry of combustion processes and on physics mechanisms for various combustion and combustion-related phenomena in gaseous combustible mixture. Friction Science and Technology FROM CONCEPTS to APPLICATIONS i 9/10/ PM ii 9/10/ PM S E C O N D E D I T I O N Friction Science and Technology FROM CONCEPTS to APPLICATIONS Peter J. Blau Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Group, an informa business.

Spray Drying Technology Volume One Editors , A.S. Mujumdar, W.R.W. Daud Preface Spray drying is a ubiquitous industrial operation found in numerous industrial sectors. It is employed to produce engineered powders from liquid feedstocks in a single step.   Results from simulations of a free fluid drop under no-gravity conditions are compared to microgravity experimental data from suspended, large drop experiments at high, low and intermediary temperatures and in a range of pressures encompassing the sub-and supercritical regime. Despite the difference between the conditions of the simulations and.

Physics for Scientists and Engineers with Modern Physics [, 4 ed.] , Key Message: This book aims to explain physics in a readable and interesting manner that is . Under these conditions the actual wall temperature rise is less than 1~Fo Some typical temperature stratification patterns in both the liquid and vapor regions (57) are shown in Figure 54 for the self-pressurization of a closed cylindrical LOX container subjected to a uniform external heat flux of BTU/Hr-Ft2 and grayity level of g.


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Free-surface phenomena under low-and zero-gravity conditions Download PDF EPUB FB2

Get this from a library. Free-surface phenomena under low- and zero-gravity conditions. [United States. National Aeronautics and Space Administration.;]. Get this from a library. Free-surface phenomena under low- and zero-gravity conditions: final technical report NASA Grant NAGJune 1, to Ma [Lambertus Hesselink; United States.

National Aeronautics and Space Administration.] -- "A free surface experiment using a liquid doped with a fluorescent dye under sheet illumination is summarized. Robert Finn's research while in the boundary of its free surface. It is shown under various conditions that when the number of vertices is less than or equal to three, then the free surface.

Furthermore, some baffled containers are also analysed and the effects of baffles on the sloshing frequencies under low and zero gravity conditions are investigated and some conclusions are outlined.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.

Knowledge of the mechanics of contact line motions under these circumstances, on Earth, in a low and in a microgravity environment would allow better understanding of these complex effects. As a result, proposals on interfacial phenomena as relate to transfer lines, pumps, liquefaction, and storage under low and zero gravity conditions under.

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SURVEY OF TECHNOLOGIES FOR THE HUMAN EXPLORATION AND DEVELOPMENT OF SPACE 31 requirement for water is a function of the conditions of operation, the amount of water required for hydration, and how and where the water should be added to maintain a fully saturated membrane.

Full text of "Elementary Textbook On Physics Volume 1" See other formats. Full text of "Third Microgravity Fluid Physics Conference" See other formats. Generating and absorbing boundary conditions for free-surface flow simulations in offshore applications. Proc.

34th Int. Conf. Ocean, Offshore and Arctic Engng OMAE }, St. John's (Canada), 31 May Junepaper OMAE When a fluid is passed upwards through a bed, the pressure drop is the same as that for downward flow at relatively low rates (Fig. A).When, however, the frictional drag on the particles becomes equal to their apparent weight—that is, the actual weight less the buoyancy force—the particles become rearranged, thus offering less resistance to the flow of fluid, and the bed starts to.

Capillary driven free surface oscillations of liquid argon under non-isothermal conditions, Annual meeting of the ProcessNet expert committe CFD-Computational Fluid Dynamics and Heat and Masstransfer, Hamburg (3) Kulev, N.

and Dreyer, M. the free surface. FIG. 1: Left: Growth rates of perturbations,!, to a quiescent layer of an anti-surfactant solution, showing an unstable mode for a nite range of wavenumbers k.

Right: Evolution of the free surface of a thin lm due to the addition of anti-surfactant to a small region of the free surface. There is a plethora of developments and publications with reference to the dynamic response of the very large floating structures, especially pontoon type. Developments on the wave induced response of ships, with particular reference to hydro-elasticity, and the impact related transient responses, slamming and sloshing, are examined.

Under homogenous flow conditions, by taking the ratio of the single-phase pressure drop and the two-phase pressure drop, we estimated the quality at the outlet.

Based on these equations, vapor quality at the outlet of the transfer line was predicted at different heat loads. Quantitatively velocity of efflux, 2 gh, where h is the depth of orifice below the free surface of liquid.

Surface tension: It is the property of the liquid by virtue of which the free surface of liquid at rest tends to have minimum surface area and as such it behaves as a stretched membrane. Surface tension, S F I. The surface tension of water, Σ, is the work per unit area needed to create more free surface.

To define it, imagine breaking a brick in half. The two pieces have two new surfaces. Let Σ be the work needed to create these new surfaces, divided by their total area.

The analogous quantity for liquid water is. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. The material assembled in this book was prepared under the comrbined sponsorship of AGARI), and the F'luid Dynamics Panel, the Consultant and Exchange programme o)f the von Kiinnin Institute, and was presented as an AGARI) Special Course at the Middle East Technical University, Ankara,'llirkcy,6th-l10th May 1, at the von Kirmnin Institute.

We present an X-ray device for use under conditions of weightlessness to produce high-speed radiographic recordings and tomograms. Using a high-resolution/small area detector, the device achieves a recoding rate of up to 25 radiograms per second, while using a low-resolution/large area detector, up to 86 radiograms can be recorded per second.As he closes in the cloud comes to resemble some obscene work of art, a war zone in zero gravity.

People float, seemingly suspended inside the smoke, caught at the instant of the explosion, in every state from alive and unharmed through maimed to disembowelled to mere smears of gore, all alongside or slammed against enormous ugly weightless but.H+jstrup, J., A simple model for the adjustment of velocity spectra in unstable conditions downstream of an abrupt change in roughness and heat flux.

Bound. Layer Meteor., 21,