Last edited by Samubar
Monday, July 27, 2020 | History

3 edition of Basic research on liquid-drop-impact erosion found in the catalog.

Basic research on liquid-drop-impact erosion

Olive G. Engel

Basic research on liquid-drop-impact erosion

by Olive G. Engel

  • 208 Want to read
  • 39 Currently reading

Published by National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.] in Washington .
Written in English

    Subjects:
  • Metals -- Erosion.,
  • Impact.

  • Edition Notes

    Statementby O. G. Engel.
    SeriesNASA contractor report, NASA CR-1559, NASA contractor report ;, NASA CR-1559.
    ContributionsGeneral Electric Company., Lewis Research Center.
    Classifications
    LC ClassificationsTL521.3.C6 A3 no. 1559
    The Physical Object
    Paginationxi, 235 p.
    Number of Pages235
    ID Numbers
    Open LibraryOL4376438M
    LC Control Number78608126

    Erosion Control Slope Stabilization On slopes that are being eroded away, slowing down of surface water is needed. To The basic concept of a fiber log is to lock it into place so that soil and water cannot remove it from where it is installed. A trench is dug . Science has been regarded with such favor by the public and the government ever since World War II that basic research should not require much defending. In the colorful words of Representative George E. Brown, Jr., chairman of the House Committee on Space, Science, and Technology: “Science has.

    Prevention of streambank erosion, protection of water intake and maintenance of navigation depths are the most common applications for submerged Keep Reading Turbulent Flow in Hydraulic Structures. This research concerns two projects: a hydraulic model study of the Calument Pumping Station, and a flow field study of Keep Reading. Percentage of Total Federal Spending on Basic Research by Agency, FY (funding in millions of dollars). The downward trend at DOD could lead to a gradual erosion of such fields of research as the physical sciences and engineering, thus weakening the research enterprise.

    The book does have minor warping from the middle to the edge. There are some numbers stamped inside of the front cover. There is no writing inside of the book. This copy is still very usuable. The warping is more cosmetic than hindering the use of the book. Author: George S Springer. 'Basic Research' Category Archives Wave-Ripple Bedforms. The study comprises an examination of the interaction between a finite cylinder and a movable sand bed influenced by waves Keep Reading Turbidity Currents. This research addresses sediment transport in the ocean and is part of the EuroSTRATAFORM program (STRATA FORMation on continental.


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Basic research on liquid-drop-impact erosion by Olive G. Engel Download PDF EPUB FB2

Basic research on liquid-drop-impact erosion Quarterly report, 8 Sep. - 8 Dec. By O. Engel. Abstract. Theory and experiments to determine mechanism of liquid drop impact erosion on metal surface Topics: STRUCTURAL MECHANICS. Year: OAI identifier: oai: Author: O. Engel. As shown in Fig. 1, the axisymmetric coordinates are fixed to the undisturbed water origin O is located at the point where the liquid sphere and solid plane just contact each other at the beginning of impact.

The x-axis is normal to the solid plane and also along the impact direction, and the r-axis is the radial this coordinate system, the undisturbed water drop is Cited by:   The key to the water drop erosion problem is to obtain the transient stress field inside the solid upon high-speed liquid drop impact, including the peak stress, the duration of impact, and the position of the most dangerous material points with respect to the impact speed and drop by: Book of Abstracts.

View full-text. Article. Basic research on liquid-drop-impact erosion. July O. Engel; Liquid drop impact erosion in metals and equation for crater depth. Read more. Soil erosion is the global soil degradation problem that causes significant environmental and socio-economic problems (Eswaran et al., ; Gomes de Souza et al., ;Ighodaro et al., ).Author: A.

Balasubramanian. ELSEVIER Abstract NVTAR Wear () Thirty years of liquid impact research: a tutorial review Martin Lesser Department of Mechanics, Royal Institute of Technology, S 44 Stockholm, Sweden Thirty years of research into the phenomena of liquid impact has led to a reasonable understanding of its basic mechanics.

The basic methodology to simulate the droplet impact erosion on a laboratory scale is to arrange a high-speed droplet impact on a target surface.

This high-speed droplet. Thin Solid Films, 63 () Elsevier Sequoia S.A., Lausanne-Printed in the Netherlands EFFECT OF SUBSTRATE SURFACE CONDITIONS AND IMPACT VELOCITY OF SPRAYED PARTICLES ON COATINGS PRODUCED BY PLASMA SPRAYING* Y. KHARLAMOV Veroshilovgrad Machine Building Institute, Veroshilovgrad, (U.S.S.R.) M.

HASSAN AMI. This new edition of Soil Erosion Research Methods retains the themes and layout of the first edition. However, most chapters have been revised and some additional chapters have been added.

There are new chapters on modeling wind and water erosion. Soil erosion is a natural process in which particles of soil are moved by wind and water, and displaced to another location.

When erosion occurs naturally, soil is relocated at about the same rate. This research much of which was possible because of the availability of NRI data attempts to quantify basic reasons for conserving soil: reducing the impact of soil erosion on farm production costs and productivity in terms of yield and mitigating costs associated with offsite damages caused by erosion.

The tipper is an essential part of the facility designed for soil erosion research. Led by Escoto, a geological sciences doctoral student, the project aims to develop more effective ways to observe, prevent and reduce soil erosion that is creating environmental hazards in.

Purchase Soil Erosion, Volume 10 - 1st Edition. Print Book & E-Book. ISBNHer current research interests lie in the fields of fluvial geomorphology, soil and slope erosion, catchment hydrology, and water quality.

Research in these fields has mainly been undertaken in the Catalan Coastal Ranges, although through co-operative work she has done research in the UK, the German Alps, Tunisia, Portugal, Argentina, and Mexico.

Fluid Dynamics Research 12 () 61 93 FLUID DYNAMICS North-Holland RESEARCH Phenomena of liquid drop impact on solid and liquid surfaces Martin Rein Max-Phmck-hTstitu. ['ur Stri'mmng,s[orschung. Bunsenslra Gi~ttingen. Germany Received 1 February Abstract. The fluid dynamic phenomena of liquid drop impact are described and.

Each year, Congress appropriates billions of dollars for scientific research. In this book, veteran science reporter Daniel S. Greenberg takes us behind closed doors to show us who gets it, and why.

What he reveals is startling: an overlooked world of false claims, pork, and cronyism, where science, money, and politics all manipulate one another. The variability in field or pl ot size has greater influence on the research conclusion. Th e conversion of one form of unit to other form need seri ous attention.

The development and characteristics of this apparatus are given and several features noted that make it attractive for research and materials testing work. Experimental work using this apparatus has produced information which may help to establish the basic mechanism of erosion damage.

First of all, ranking of several metals according to. Basic Research. Our basic research can be divided up into four general categories: rivers, environmental hydraulics, computational fluid dynamics (CFD), and sediment dynamics.

Below is a list of all the research topics that we have examined. CFD. Bubble Plumes. aircraft Aluminum Aluminum Aluminum Appendix applied approximation Brunton calculated coated materials coating composites constant Continued crack curve damage defined dimensionless droplets Engel Epoxy equation erosion resistant Establishment Example expression fatigue fiber fiber-reinforced final Force Fyall given Glass Hoff homogeneous.

Soil erosion is a common global environmental problem and undermines sustainable development in various economies and societies. Detailed information about changes in surface roughness during the whole soil erosion process remains limited, however, due to practical difficulties in obtaining direct soil microrelief measurements (Huang, ) and a lack in systematic research.This study of physical processes and responses in the coastal zone is often applied in nature, but it also involves basic research to provide the fundamental understanding necessary to address the pertinent questions.

A principal coastal concern today and in the foreseeable future is beach erosion.An abstract for a proposal should include the topic, aims of your study, who will be involved in the research, the methods and the timeframe.

It is usually concluded with a statement that explains the relevance of the research (why it is needed).