Last edited by Magul
Monday, April 27, 2020 | History

1 edition of use of radio-active tracers in lubrication and wear research found in the catalog.

use of radio-active tracers in lubrication and wear research

use of radio-active tracers in lubrication and wear research

  • 265 Want to read
  • 9 Currently reading

Published by National Engineering Laboratory in East Kilbride .
Written in English


Edition Notes

Statementby R.B. Campbell...[et al.].
SeriesReports / National Engineering Laboratory Lubrication Division -- 26/60
ContributionsCampbell, R. B., National Engineering Laboratory. Lubrication Division.
ID Numbers
Open LibraryOL14186279M

Texaco Lubrication technical publication 57 issues 5 books Hydraulic oil manuals (W08) You are bidding on 5 Bound editions of Texaco Lubrication manuals. Published monthly with each issue having a specific topic. When conducting a thyroid scan, the patient needs to be given a dose of radioactive iodine by either swallowing or intravenously. During the scan, a gamma scintillation camera takes pictures of. Welcome to the 8 th International Conference on Tracers and Tracing Methods!. After Oslo – Norway in June and Marrakech – Marocco in octobre , the International Society for Tracer and Radiation Applications (ISTRA) is honored to welcome you for this 8 th edition in Đà Nẵng‎, Vietnam.. We are pleased to invite you to the edition of the International Conference on Tracers.


Share this book
You might also like
The young riders book of horses & horsemanship

The young riders book of horses & horsemanship

To open certain naval radio stations for the use of the general public

To open certain naval radio stations for the use of the general public

On the restoration of the standard of value, and the proper limit to the use of bank credit as money

On the restoration of the standard of value, and the proper limit to the use of bank credit as money

Food for peace

Food for peace

design of typical steel railway bridges.

design of typical steel railway bridges.

Transactions of the Woolhope Naturalists Field Club, Herefordshire.

Transactions of the Woolhope Naturalists Field Club, Herefordshire.

CICS

CICS

Openingceremony and administrative part of the 5th General Assembly held in Bologna, September 1-6, 1974

Openingceremony and administrative part of the 5th General Assembly held in Bologna, September 1-6, 1974

effect of foreign military sales on the U.S. economy

effect of foreign military sales on the U.S. economy

The ladies of Alderley

The ladies of Alderley

Domestic uranium mining industry and the Department of Energys uranium enrichment program

Domestic uranium mining industry and the Department of Energys uranium enrichment program

Jericho

Jericho

use of radio-active tracers in lubrication and wear research Download PDF EPUB FB2

Radioactive tracer technology (RAT) is an important tool in measuring component wear in an operating engine on a real-time basis. This paper will discuss the use of RAT to study and evaluate boundary lubricant and surfactant chemistries aimed at providing benefits in wear by: 5.

The use of radioactive tracers in the study of wear arising from microslip between rolling bodies B G Brothers & J Halling; British Journal of Applied Physics ()Cited by: Radioactive tracer technology has been used over the years to measure the wear of piston rings, connecting rod bearings, fuel injector parts, cylinder liners, and other components in operating engines, on a real-time basis, without disassembly.

Two radioactive tracer methods are commonly used: Surface or thin layer activation. The Use of Radioactive Tracer Technology to Evaluate Engine Wear Under the Influences of Advanced Combustion System Operation and Lubricant Performance Radioactive tracer technology is an important tool for measuring component wear on a real-time basis and is especially useful in measuring engine wear as it is affected by combustion system operation and lubricant by: 5.

For investigations in the field of friction, lubrications, and wear radioactive tracer technique is a very important aid. Some examples of wear tests on the system electrobrush-rotor show the. @article{osti_, title = {The use of radioactive tracers in sedimentation research}, author = {McHenry, J.

Roger and McDowell, Leslie L.}, abstractNote = {The transpont of sediment was investigated using radioisotopes to tag'' individual sand particles Sc⁴⁶ a gamma emitter with an day half- life, was employed.

The techniques developed for tagging sand particles and the resistance. Radioactive tracer technology has been used for many years as a tool to make highly sensitive real-time measurements of wear and corrosion.

With this technique, the material of interest is tagged with radioactive isotopes through either direct activation of a relatively small number of atoms in the component itself, or implantation of radioactive by: The electron microscope has revealed the layer lattice structure of some solid lubri- cants and has been used to compare the size and shape of solid lubricant particles for correlation with performance and effectiveness.

DEBRIS Useful information can be obtained from the study of wear and corrosion by: Radioactive tracer technology has been used for many years as a tool to make highly sensitive real-time measurements of wear and corrosion.

With this technique, the material of interest is tagged. The concept of using implanted radioactive tracers as a wear measurement technique has been in the literature for over 20 years.

Asher et al. [5] published this technique in using a 22 MeV 7Li ion beam to produce recoiling 7Be atoms from a polyester film target through the 1H 1 (7Li 3, n) 7Be 4 nuclear by: Radioactive tracers adsorb not only on solid container surfaces and precipitates but on any kind of solid material suspended or in contact with the solution.

Dust, cellulose fibers, glass fragments, organic materials, etc., are examples of substances that readily adsorb radioactive tracers from solution. Radioactive tracer technology (RATT™) is an important tool for measuring real-time wear in operating engines and other mechanical systems.

The use of this technology provides important wear. The use of non-radioactive tracers is pointed out wherever it is applicable.

Due to the nature of this competitive industry, much research is poorly documented, thus Tracers in the Oil Field aims to make the technology more available to current users in the oil Edition: 1. Studies of wear and lubrication carried out at the Aldermaston laboratories of Associated Electrical Industries Limited are described.

Optical, electron optical, radioactive tracer and metallographic techniques have been used to reveal the various stages of wear by:   Radioactive Tracer Study of Start-Up Wear Versus Steady-State Wear in a Liter Engine Piston ring wear measurements were carried out in a standard production liter engine using compression rings that had been subjected to bulk thermal neutron by: The possibility of using radioactive tracers in an industrial process depends on being able to produce in sufficient strength, at a reasonable cost, a radioactive isotope with a suitable half-life emitting radiation that can readily be detected.

In addition, there must be no chance of the radiation harming the plant operators, users of the finished product or of radioactive material getting Author: J.E. Johnston. It is further assumed that the viscosity response of lubricant to pressure change under iso- thermal condition can be represented by p = pTeap () where p T is the lubricant viscosity based on inlet temperature T at the inlet region and o is the pressure viscosity Size: 5MB.

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

Kenneth C. Ludema received Bachelor and Master's degrees in mechanical engineering from the University of Michigan. He then completed two Ph.D.

programs, one in material science at Michigan and one in physics at Cambridge University. He went on to pursue a distinguished career as Professor of Mechanical Engineering at the University of Michigan, specializing in the friction and wear of : $ The result of Kenneth C Ludema's 35 years of teaching and research, Friction, Wear, Lubrication: A Textbook in Tribology presents a broad view of the many aspects of tribology.

All major aspects of this discipline are included, from mechanical to materials to chemical to mechanics. Ludema's key research areas - marginally lubricated wear and friction - will be of special interest to readers. The objective of the series is to discuss the effects that engine drive cycle, lubricant formulations and in-service ageing of lubricants have on wear of critical engine components.

In this paper, the Radioactive Tracer Technology technique was used to study the steady state wear behavior of a number of contacting surfaces in a Caterpillar 1P engine, as a function of the drive by: 1.

Radioactive tracers aid in production research in rapid determination of mixing efficiencies and hold-up times. Tracers are also used in the non-destructive testing of materials and components and in more basic research into alloy : J. Putman.

Wear Simulation Method for Mechanical Seals Under Mixed Lubrication Using Flow Factors: FFWJulyGhent University, Belgium Chapter (PDF Available) January with Reads. This method makes possible the continuous determination of rates of gear wear at all loads and speeds in actual full-scale units.

In this investigation, the radioactive tracer technique has been used to determine the rates of gear wear when using a straight mineral oil and when using an extreme-pressure gear : F.

Schwartz, R. Eaton. A radioactive tracer, radiotracer, or radioactive label, is a chemical compound in which one or more atoms have been replaced by a radionuclide so by virtue of its radioactive decay it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from reactants to products.

Radiolabeling or radiotracing is thus the radioactive form of isotopic. Solid dry film lubricants appear to be the answer for many high temperature lubrication problems. However, the wear-life of these fllms is dependent upon a large number of factors which complicate the choice of a particular lubricant film and its proper application.

While it is not necessary to use radioactive isotopes for tracer studies, in general, the use of radioactivity is simpler and less expensive than the use of stable isotopes.

Research with the latter requires rather sophisticated and expensive measuring devices such as mass spectrometers, cf. § Part I - Use of Radioactive Tracer Technology Jai G.

Bansal Patrick Colby Maryann Devine Jack Emert Kaustav Sinha Infineum U.S.A. LP ABSTRACT This paper is first in a series of papers designed to investigate wear processes in modern heavy duty diesel engines.

The objective of the series is to discuss the effects that engine drive cycle, lubricant. In recognition of his outstanding service to the science and technology of friction and wear, particularly in the field of the physical chemistry of lubrication and the rheology of lubrication greases.

Professor Georgi Vladimirovich Vinogradov was born in and educated at the Moscow Technological University (Chemical Engineering Department). Robert R. Wolfe has written: 'Isotope tracers in metabolic research' -- subject(s): Metabolism, Methodology, Radioactive tracers in biochemistry, Research 'Radioactive and stable isotope tracers.

radioactive elements, tracers, are used in molecular research to investigate the movement of atoms and molecules through a biological system. At various intervals the movement of the radioactive atoms can be traced using photographic film. -Radioactive isotopes can prevent food from spoiling quickly by killing the microorganisms that normally lead to spoilage.-Radioactive isotopes can also be used to trace leaks in pipes.

-Engineers study automobile engine wear by making the cylinder walls in the engine radioactive and measuring particles that wear away with a radiation detector. Radioactive tracers have applications in medicine, industry, agriculture, research, and many other fields of science and technology.

For example, a number of different oil companies may take turns using the same pipeline to ship their products from the oil fields to their refineries.

We have used radioactive tracer technology (RATT®) for over 50 years to make highly accurate and sensitive, real-time wear measurements in operating engines and other mechanical systems. Friction and wear are typically measured in engines to evaluate lubricant chemistries, component design, and surface coatings.

Wear measurements of components can be made using bulk-activated as well as. Radioactive tracer technology (RAT) is an important tool in measuring component wear in an operating engine on a real-time basis. This paper will discuss the use of RAT to study and evaluate boundary lubricant and surfactant chemistries aimed at providing benefits in wear control.

In the paper the methods for measuring cylinder-liner wear using radioactive tracer techniques are discussed, and the manufacture and installation of a liner made of aluminium and cast iron are des Author: R. Pywell, S. Walker. The Tribology Research and Evaluations group combines world-class expertise from across the Institute’s nine technical divisions to offer testing, test rig design, consultancy, training, and failure analysis in a variety of tribology fields from deep sea to deep space.

Are radioactive isotopes are used in medicine powerplants and as tracers. Unanswered Questions. Examples of alliteration in the book hatchet. Tribology is the science and engineering of interacting surfaces in relative includes the study and application of the principles of friction, lubrication and ogy is highly interdisciplinary.

It draws on many academic fields, including physics, chemistry, materials science, mathematics, biology and who work in the field of tribology are referred to as. @article{osti_, title = {Waste oil burn-off in Goast Guard power plants- diesel piston ring wear study by radioactive tracer techniques.

Interim report Jun Mar 76}, author = {Storment, J.O. and Sherrard, J.R.}, abstractNote = {The work reported here is the final effort in a study to determine the feasibility of burning waste crankcase lubricating oils in Coast Guard powerplants.

This paper aims to investigate the wear behaviour of different materials for cylinder liners and piston rings in a linear reciprocating tribometer with special focus on the wear of the cylinder liner in the boundary lubrication regime.,Conventional nitrided steel, as well as diamond-like carbon and chromium nitride-coated piston rings, were tested against cast iron, AlSi and Fe-coated AlSi Cited by: 5.

Radioactive isotopes have a variety of applications. Generally, however, they are useful because either we can detect their radioactivity or we can use the energy they release. Radioactive isotopes are effective tracers because their radioactivity is easy to detect.

A tracer is a substance that can be used to follow the pathway of that Author: David W. Ball, Jessie A. Key.The rubbing surfaces may develop localized hot spots which may reach F, and in these areas the metal is plastically deformed.

Frictional forces and wear usually decrease as the hardness of the specimens increases. Autoradiographic techniques have been used to determine the location of radioactive tracers.