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Saturday, May 16, 2020 | History

3 edition of Development of a device to deploy fluid droplets in microgravity found in the catalog.

Development of a device to deploy fluid droplets in microgravity

Development of a device to deploy fluid droplets in microgravity

  • 225 Want to read
  • 21 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va .
Written in English

    Subjects:
  • Microgravity.,
  • Drops (Liquids),
  • Bubbles.,
  • Injectors.,
  • Heat transfer.,
  • Dispensers.

  • Edition Notes

    StatementDavid W. Robinson and An-Ti Chai.
    SeriesNASA TM -- 107460., NASA technical memorandum -- 107460.
    ContributionsChai, An-Ti., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15503833M

    The results concerning the MICROGRAVITY COMBUSTION Fig. 1. Schematic representation of the high-pressure droplet gasification facility. Fig. 2. Typical microgravity level versus time during a parabolic flight. The time tb 4 s corresponds to the actual burning time of an n-octane droplet (D0 4 mm, P 4 8 Mpa).Cited by: Fluid physics in microgravity distinguishes from terrestrial fluid physics in two main respects: a) weight and buoyancy forces, driven by gravity, are hindered, and b) small capillary forces, independent of gravity, become dominant. Capillarity is synonym of surface tension in fluid interfaces, an oldknown phenomenon that already interested -Cited by: 3.

    Microgravity-Induced Fluid Shift and Ophthalmic Changes Emily S. Nelson 1, *, Lealem Mulugeta 2 and Jerry G. Myers 3 1 NASA Glenn Research Center, Brookpark Rd., Cleveland, OH , USA. Then, to create the microgravity conditions of space, they hoisted the experiment more than metres above the ground and dropped it. It took just seconds to fall to Earth. During this time, high-speed video cameras recorded the jets and bubbles so that the team could later analyse the behaviour.

    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. Results. Drop 1: Tubes with bulges. Left: Small size tube with one bulge in the middle. The fluid rose up around the side and almost created an air bubble but the tube was to large so the fluid just leveled out before The fluid rose much higher on the right side than the left after it passed the bulge, but that can be attributed to the fact that the bulge is not a perfect circle.


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Development of a device to deploy fluid droplets in microgravity Download PDF EPUB FB2

DEVELOPMENT OF A DEVICE TO DEPLOY FLUID DROPLETS IN MICROGRAVITY David W. Robinson and An-Ti Chai National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio SUMMARY A free-floating droplet in microgravity is ideal for scientific observation since it is free of confounding factors.

Development of a device to deploy fluid droplets in microgravity (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: David W Robinson; An-Ti Chai; United States.

National Aeronautics and Space Administration. ()—Normally when a liquid is heated above its boiling point, it evaporates, turning into a vapor.

But when scientists recently performed an. 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 Microgravity Research Program Office manages the development and integration of microgravity science experiments of the Shuttle-Mir program.

Both United States and international microgravity science partners used the facilities aboard Mir to conduct investigations in fluid physics, combustion, biotechnology and materials science. In the presence of gravity, fluid in a tube will rise to a specific height based on the contact angle, surface tension, and diameter of apparatus (Giancolip.

In microgravity, capillary tubes can be used to pump liquids the entire length of the tube (Stange, et. Microgravity Combustion Science and Fluid Physics Experiments and Facilities for the ISS Richard W. Lauver, Fred J. Kohl, Karen J.

Weiland, Robert L. Zurawski, Myron E. Hill, and Robert R. Corban Glenn Research Center, Cleveland, Ohio Prepared for the Spacebound File Size: 1MB. A second fiber-supported droplet combustion experiment, FSDC-2,was to operate on Microgravity Science Laboratory-1 (MSL-1), launched aboard STS Space Shuttle Columbia mission launched April 4, However, the mission was curtailed from 16 days to approximately 5 days by malfunction of one of three fuel-cell systems aboard the orbitor.

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/5(2). behaviour of droplets. Thus we will study the behaviour of both bubbles and droplets formed at a T-junction in a new configuration and how they are injected to a cavity.

My work has consisted on analyzing the dynamics of bubbles and droplets during my training period in the Microgravity Laboratory at the EPSC which is a Higher. Microgravity — A Teacher’s Guide with Activities in Science, Mathematics, and Technology, iv EGHQ, Education Standards Grades 5–8 (∆), 9–12 ().

This video explains fluid physics in microgravity where the effects of gravity are greatly reduced. Related video clips are available here. Abstract.

In this work, the interaction between electrically charged droplets in microgravity is considered. During the 22 s of microgravity brought by a parabolic flight, water droplets with a radius r ∈ [ − ] mm were released one in front of the other. A high-speed camera allowed studying their interaction in the focal by: 5.

Purchase Fluids, Materials and Microgravity - 1st Edition. Print Book & E-Book. ISBNThe study will evaluate how best to control the output of water droplets to create a better performing shower device that provides an improved experience for the end user while also conserving water and energy.

The full effects of gravity in the formation of water droplet size (with a standard jet nozzle or H2Okinetic technology) are unknown.

Abstract. Theoretical and experimental fluid management analysis for surface tension tanks under micro-gravity conditions are described. Solutions of the Gauß-Laplace equation for rotational symmetry as a system of two ordinary differential equations and for the general case applying finite difference methods are described and some results by: 2.

The details of the launch conditions may change somewhat from that described here, depending on the carrier, such as the Progress rocket or commercial vehicles that are currently under development. Nevertheless, the general features of microgravity-induced fluid shift remain the same for any human being in low earth by: Rotary Fluid Management Device The rotary fluid management device (RFMD) developed by Sundstrand, and more recently at the Johnson Space Center, is discussed in pages of Brown and Alano () and shown schematically in Figure V.B Book Description.

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.

• fluid physics • materials science • biotechnology • combustion science Launch High-g acceleration Payload separation Microgravity Parabolic Trajectory Deceleration Recovery Telemetry Figure 3. Microgravity - Video Resource Guide - EVHQ 5 Fluid Physics Fluid physics is the study of the basic behavior of liquids and gases File Size: KB.

As shown in figure 6, microgravity EML provides the only platform for accessing a wide range of fluid flow conditions in these droplets. Access to the full range of conditions is necessary to distinguish among different theories to explain the change in the lifetime of the metastable phase with changes in fluid flow conditions.Fluid sloshing mode frequencies in microgravity are generally very low, typically in the range to Hz.

These low- frequency modes could interfere with the structural bending modes of large solar arrays, or with the satellite's Attitude and Orbit Control System (AOCS).The technology is currently under development at Rensselaer Polytechnic Institute and is a novel project that will study interfacial effects of complex fluids without container walls and buoyancy driven convection.

The motivation for the RSD is the study of interfacial effects on the formation of amyloid fibrils in protein solutions (“Amyloid.