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Contribution A Letude Des Mecanismes De La Lubrification Sous Conditions Severes
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Book Synopsis Contribution à l'étude des mécanismes de la lubrification sous conditions sévères by : Jean-Pierre Bernard (Ingénieur).)
Download or read book Contribution à l'étude des mécanismes de la lubrification sous conditions sévères written by Jean-Pierre Bernard (Ingénieur).) and published by . This book was released on 1975 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CONTRIBUTION A L'ETUDE DE LA LUBRIFICATION LIQUIDE SOUS VIDE. APPLICATION AUX MECANISMES SPATIAUX by : Philippe Reynaud
Download or read book CONTRIBUTION A L'ETUDE DE LA LUBRIFICATION LIQUIDE SOUS VIDE. APPLICATION AUX MECANISMES SPATIAUX written by Philippe Reynaud and published by . This book was released on 1994 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'ETUDE CONCERNE LA LUBRIFICATION LIQUIDE DES CONTACTS HERTZIENS EN AMBIANCE SPATIALE. LES DIFFICULTES PROVIENNENT PRINCIPALEMENT DES EFFETS DE LA FAIBLE PRESSION AMBIANTE. CES EFFETS LIMITENT LE CHOIX DES LUBRIFIANTS ET AMPLIFIENT LES CONSEQUENCES DES DEFAILLANCES DE LA LUBRIFICATION QUI SE TRADUISENT IMMEDIATEMENT PAR DES SOUDURES FROIDES QUI ENTRAINENT LE BLOCAGE DES MECANISMES. POUR SE PREMUNIR CONTRE CETTE AVARIE, IL EST NECESSAIRE DE SEPARER LES CORPS EN CONTACT OU PREMIERS CORPS, C'EST LE ROLE DU LUBRIFIANT OU TROISIEME CORPS. LORSQUE POUR DES RAISONS, DE CINEMATIQUE, DE GEOMETRIE, DE CHARGE, DE VITESSE..., UN FILM SEPARATEUR NE SE FORME PAS, DES PALLIATIFS DOIVENT ETRE TROUVES, C'EST L'OBJECTIF DE CE TRAVAIL. POUR CELA ET A PARTIR D'UN TRIBOMETRE EXISTANT, UN DISPOSITIF A ETE CONCU POUR SIMULER ET VISUALISER SOUS VIDE LA PRESENCE D'UN FILM DE LUBRIFIANT DANS DES CONTACTS FONCTIONNANT DANS LES CONDITIONS DES MECANISMES SPATIAUX. PARTANT DE LA CONDITION IDEALE DE SEPARATION QUI EST LA LUBRIFICATION ELASTOHYDRODYNAMIQUE, LES SIMULATIONS ONT PERMIS D'EVALUER LES EFFETS DE LA MICRO-GEOMETRIE ET DE LA VITESSE DES PREMIERS CORPS, DE LA VISCOSITE, DE LA MOUILLABILITE ET DE LA GRANULOMETRIE D'ADDITIFS SOLIDES DANS LE TROISIEME CORPS. LES PALLIATIFS PORTENT SUR LES TROIS ELEMENTS DU TRIPLET TRIBOLOGIQUE: LE MECANISME, ADAPTATION DE LA CINEMATIQUE; LES PREMIERS CORPS, ADAPTATION DE LEUR NATURE ET DE LEUR MICRO-GEOMETRIE; LE TROISIEME CORPS, ADDITIVATION ET CRITERES D'ELABORATION D'UN LUBRIFIANT SPECIFIQUE
Book Synopsis CONTRIBUTION A L'ETUDE DU COMPORTEMENT DE MECANISMES LUBRIFIES SOUS CHARGEMENTS TRANSITOIRES by : PASCAL.. EHRET
Download or read book CONTRIBUTION A L'ETUDE DU COMPORTEMENT DE MECANISMES LUBRIFIES SOUS CHARGEMENTS TRANSITOIRES written by PASCAL.. EHRET and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LA DETERMINATION THEORIQUE DU COMPORTEMENT DE MECANISMES LUBRIFIES SOUMIS A UN CHARGEMENT TRANSITOIRE NECESSITE UNE MODELISATION PRECISE AFIN D'EVALUER CORRECTEMENT LES EFFORTS MIS EN JEU. LES SIMPLIFICATIONS DES DEMARCHES CLASSIQUES DE LA THEORIE DES FILMS MINCES NE SONT PLUS PERMISES. SOUS CES CONDITIONS DE SOLLICITATION LES EFFETS INERTIELS ET LE CARACTERE VISCOELASTIQUE DU LUBRIFIANT MERITENT UNE ATTENTION PARTICULIERE. DANS UNE PREMIERE APPROCHE, L'ETUDE CONCERNE LE PROBLEME DE L'IMPULSION DE CHARGE DANS UN PALIER LISSE. LES EFFETS D'INERTIE DU FLUIDE ET L'EFFET FLUIDIFIANT SONT PRIS EN COMPTE. DANS UNE DEUXIEME ETAPE, NOUS NOUS INTERESSONS PLUS PRECISEMENT A L'INFLUENCE DES EFFETS VISCOELASTIQUES DU LUBRIFIANT DURANT CE CHARGEMENT TRANSITOIRE. LES THEORIES DES RESEAUX DE POLYMERES ET DES SOLUTIONS DILUEES SONT UTILISEES POUR CHOISIR ET JUSTIFIER UNE LOI DE COMPORTEMENT DU LUBRIFIANT. AFIN DE MODELISER L'ECOULEMENT DANS LA ZONE OU LES EFFETS D'ECRASEMENT SONT PREPONDERANTS, UNE METHODE NUMERIQUE PAR ELEMENTS FRONTIERES EST DEVELOPPEE. LES RESULTATS CONFIRMENT L'INTERET DES SURMODULATIONS DE CONTRAINTES DANS LES PROBLEMES LIES A L'IMPULSION DE CHARGE DANS UN MECANISME LUBRIFIE
Book Synopsis CONTRIBUTION A L'ETUDE DE LA LUBRIFICATION FLUIDE EN AMBIANCE SPATIALE. APPROCHE EXPERIMENTALE DE LA REALIMENTATION by : PHILIPPE.. PRAT
Download or read book CONTRIBUTION A L'ETUDE DE LA LUBRIFICATION FLUIDE EN AMBIANCE SPATIALE. APPROCHE EXPERIMENTALE DE LA REALIMENTATION written by PHILIPPE.. PRAT and published by . This book was released on 1997 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL CONCERNE LA LUBRIFICATION FLUIDE DE MECANISMES EMBARQUES SUR SATELLITES. IL EST CONCENTRE SUR L'ETUDE DU LUBRIFIANT, EN PARTICULIER SUR SON APTITUDE A POUVOIR REALIMENTER LES ZONES DE CONTACT. L'APPROCHE A ETE SCINDEE EN TROIS CONTRIBUTIONS PRINCIPALES : - TOUT D'ABORD NOUS AVONS ISOLE LE TROISIEME CORPS FLUIDE ET ETUDIE SON COMPORTEMENT RHEOLOGIQUE. L'INFLUENCE DES DIFFERENTS COMPOSANTS DES LUBRIFIANTS SUR LA VISCOSITE APPARENTE, LE SEUIL D'ECOULEMENT OU LEURS PROPRIETES ELASTIQUES A ETE MONTREE ET EXPLICITEE, - LES INTERACTIONS LUBRIFIANTS/SURFACES ONT ETE ETUDIEES A TRAVERS DES EXPERIENCES DE MIGRATION THERMOCAPILLAIRE, QUI CONSTITUENT UNE SOURCE IMPORTANTE DE DESALIMENTATION. DES COMPORTEMENTS TRES DISTINCTS ONT ETE NOTES POUR LES DEUX HUILES DE BASE. LES MIGRATIONS OBSERVEES DANS LE CAS DE SUSPENSIONS SONT RESTEES BEAUCOUP PLUS LIMITEES. - ENFIN, ON S'EST INTERESSE AU FONCTIONNEMENT D'UN CONTACT LUBRIFIE ET DE SON VOISINAGE. LES MECANISMES DE REALIMENTATION DES SUSPENSIONS ET DE LEURS HUILES DE BASE ONT ETE OBSERVES. IL A ETE EGALEMENT MONTRE QUE LES PARTICULES PRESENTES DANS LES SUSPENSIONS PEUVENT APPORTER UN RELAIS EFFICACE A LA LUBRIFICATION LIQUIDE. FINALEMENT, A TRAVERS LA TRANSPOSITION DE CES ACQUIS ANALYTIQUES A L'ETUDE DE LA LUBRIFICATION FLUIDE DES ROULEMENTS COMPLETS, ON EST EN MESURE D'UNE PART, D'EN AMELIORER LE FONCTIONNEMENT ET D'AUTRE PART, DE PROPOSER D'AUTRES THEMES DE RECHERCHE DANS CE DOMAINE.
Book Synopsis Contribution a l'etude de la lubrification des moteurs a explosion par l'huile d'olive by : A. Bastet
Download or read book Contribution a l'etude de la lubrification des moteurs a explosion par l'huile d'olive written by A. Bastet and published by . This book was released on 1934 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis Ethical Issues in Women's Healthcare by : Lori D'Agincourt-Canning
Download or read book Ethical Issues in Women's Healthcare written by Lori D'Agincourt-Canning and published by . This book was released on 2019 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous issues confront women's healthcare today, among them the medicalization of women's bodies, cosmetic genital surgery, violence against women, HIV, perinatal mental health disorders. This volume uniquely explores such difficult topics and others at the intersection of clinical practice, policy, and bioethics in women's health care through a feminist ethics lens. With in-depth discussions of issues in women's reproductive health, it also broadens scholarship by responding to a wider array of ethical challenges that many women experience in accessing health care. Contributions touch on many themes previously tackled by feminist ethics, but in new, contemporary ways. Some chapters expand into new fields in the bioethics literature, such as the ethical issues related to the care of Indigenous women, uninsured refugees and immigrants, women engaged in sex work, and those with HIV at different life stages and perinatal mental health disorders. Authors seek to connect theory and practice with users of the health system by including women's voices in their research. Bringing to bear their experience in active clinical practice in medicine, nursing, and ethics, the authors contemplate new conceptual approaches to important issues in women's healthcare, and make ethical practice recommendations for those grappling with these issues. Topical and up-to-date, this book provides a valuable resource for physicians, nurses, clinical ethicists, and researchers working in some of the most critical areas of women's health and applied ethics today.
Book Synopsis Computational Biomechanics by : Kozaburo Hayashi
Download or read book Computational Biomechanics written by Kozaburo Hayashi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combination of readily available computing power and progress in numerical techniques has made nonlinear systems - the kind that only a few years ago were ignored as too complex - open to analysis for the first time. Now realistic models of living systems incorporating the nonlinear variation and anisotropic nature of physical properties can be solved numerically on modern computers to give realistically usable results. This has opened up new and exciting possibilities for the fusing of ideas from physiology and engineering in the burgeoning new field that is biomechanics. Computational Biomechanics presents pioneering work focusing on the areas of orthopedic and circulatory mechanics, using experimental results to confirm or improve the relevant mathematical models and parameters. Together with two companion volumes, Biomechanics: Functional Adaptation and Remodeling and the Data Book on Mechanical Properties of Living Cells, Tissues, and Organs, this monograph will prove invaluable to those working in fields ranging from medical science and clinical medicine to biomedical engineering and applied mechanics.
Book Synopsis Comprehensive Cervical Cancer Control by : World Health Organization
Download or read book Comprehensive Cervical Cancer Control written by World Health Organization and published by World Health Organization. This book was released on 2006 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most women who die from cervical cancer, particularly in developing countries, are in the prime of their life. They may be raising children, caring for their family, and contributing to the social and economic life of their town or village. Their death is both a personal tragedy, and a sad and unnecessary loss to their family and their community. Unnecessary, because there is compelling evidence, as this Guide makes clear, that cervical cancer is one of the most preventable and treatable forms of cancer, as long as it is detected early and managed effectively. Unfortunately, the majority of women in developing countries still do not have access to cervical cancer prevention programmes. The consequence is that, often, cervical cancer is not detected until it is too late to be cured. An urgent effort is required if this situation is to be corrected. This Guide is intended to help those responsible for providing services aimed at reducing the burden posed by cervical cancer for women, communities and health systems. It focuses on the knowledge and skills needed by health care providers, at different levels of care.
Book Synopsis Female Genital Cosmetic Surgery by : Sarah M. Creighton
Download or read book Female Genital Cosmetic Surgery written by Sarah M. Creighton and published by Cambridge University Press. This book was released on 2019-02-21 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cross-disciplinary take on the rising phenomenon of female genital cosmetic surgery, from world-leading experts, in a single volume.
Book Synopsis Tribochemistry by : Gerqard Heinicke
Download or read book Tribochemistry written by Gerqard Heinicke and published by Oxford University Press, USA. This book was released on 1988-05-12 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a comprehensive introduction to the scientific and technical aspects of tribochemistry, a field concerned with the chemical reactions initiated by mechanical energy. The relevant theoretical background, recent innovations and results, and the possibilities of expanding industrial applications are covered.
Book Synopsis Elements of Ergonomics Programs by : Alexander L. Cohen
Download or read book Elements of Ergonomics Programs written by Alexander L. Cohen and published by DIANE Publishing. This book was released on 1997 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: College Koreanoffers a comprehensive introduction to the Korean language designed for American students. Rogers, You, and Richards have used their many years of teaching to devise and test an approach that balances reading and writing with the spoken language. The result is a well-rounded textbook suited to a yearlong course in which students learn to conduct conversations about their own lives and interests, read texts written inhangul, and write simple compositions. The book systematically introduces basic Korean grammar, a contextualized vocabulary, and styles of speech that are sociolinguistically appropriate for college students. Each of its 26 lessons contains a dialogue or a reading, practice patterns, relevant grammar notes, and exercises. Approximately 150 Sino-Korean characters are also introduced, and complete glossaries and grammar indexes are provided.
Book Synopsis Metal Cutting Theory and Practice by : David A. Stephenson
Download or read book Metal Cutting Theory and Practice written by David A. Stephenson and published by CRC Press. This book was released on 2016-04-06 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Complete Reference Covering the Latest Technology in Metal Cutting Tools, Processes, and Equipment Metal Cutting Theory and Practice, Third Edition shapes the future of material removal in new and lasting ways. Centered on metallic work materials and traditional chip-forming cutting methods, the book provides a physical understanding of conventional and high-speed machining processes applied to metallic work pieces, and serves as a basis for effective process design and troubleshooting. This latest edition of a well-known reference highlights recent developments, covers the latest research results, and reflects current areas of emphasis in industrial practice. Based on the authors’ extensive automotive production experience, it covers several structural changes, and includes an extensive review of computer aided engineering (CAE) methods for process analysis and design. Providing updated material throughout, it offers insight and understanding to engineers looking to design, operate, troubleshoot, and improve high quality, cost effective metal cutting operations. The book contains extensive up-to-date references to both scientific and trade literature, and provides a description of error mapping and compensation strategies for CNC machines based on recently issued international standards, and includes chapters on cutting fluids and gear machining. The authors also offer updated information on tooling grades and practices for machining compacted graphite iron, nickel alloys, and other hard-to-machine materials, as well as a full description of minimum quantity lubrication systems, tooling, and processing practices. In addition, updated topics include machine tool types and structures, cutting tool materials and coatings, cutting mechanics and temperatures, process simulation and analysis, and tool wear from both chemical and mechanical viewpoints. Comprised of 17 chapters, this detailed study: Describes the common machining operations used to produce specific shapes or surface characteristics Contains conventional and advanced cutting tool technologies Explains the properties and characteristics of tools which influence tool design or selection Clarifies the physical mechanisms which lead to tool failure and identifies general strategies for reducing failure rates and increasing tool life Includes common machinability criteria, tests, and indices Breaks down the economics of machining operations Offers an overview of the engineering aspects of MQL machining Summarizes gear machining and finishing methods for common gear types, and more Metal Cutting Theory and Practice, Third Edition emphasizes the physical understanding and analysis for robust process design, troubleshooting, and improvement, and aids manufacturing engineering professionals, and engineering students in manufacturing engineering and machining processes programs.
Download or read book Titanium Alloys written by Maciej Motyka and published by BoD – Books on Demand. This book was released on 2019-11-27 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium alloys, due to unique physical and chemical properties (mainly high relative strength combined with very good corrosion resistance), are considered as an important structural metallic material used in hi-tech industries (e.g. aerospace, space technology). This book provides information on new manufacturing and processing methods of single- and two-phase titanium alloys. The eight chapters of this book are distributed over four sections. The first section (Introduction) indicates the main factors determining application areas of titanium and its alloys. The second section (Manufacturing, two chapters) concerns modern production methods for titanium and its alloys. The third section (Thermomechanical and surface treatment, three chapters) covers problems of thermomechanical processing and surface treatment used for single- and two-phase titanium alloys. The fourth section (Machining, two chapters) describes the recent results of high speed machining of Ti-6Al-4V alloy and the possibility of application of sustainable machining for titanium alloys.
Book Synopsis Food Oral Processing by : Jianshe Chen
Download or read book Food Oral Processing written by Jianshe Chen and published by John Wiley & Sons. This book was released on 2012-04-16 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides an overview of the latest research findings on the physics, physiology, and psychology of food oral consumption, as well as the experimental techniques available for food oral studies. Coverage includes the main physical and physiological functionalities of the mouth; the location and functionalities of various oral receptors; the main sequences of eating and drinking, and the concomitant food disintegration and destabilisation. Chapters also explain oral processing and its relation to flavour release and texture perception, and there is an introduction to the principles of food rheology as they relate to eating. Food Oral Processing is directed at food scientists and technologists in industry and academia, especially those involved in sensory science and new product development. It will also be of interest to oral physiologists, oral biologists and dentists. The book will be a useful reference for undergraduate and postgraduate students of these disciplines.
Book Synopsis Sports Chiropractic by : Robert D. Mootz
Download or read book Sports Chiropractic written by Robert D. Mootz and published by Jones & Bartlett Learning. This book was released on 1999 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributions from leaders in the field of sports chiropractic. Reprints from five years of Topics in Clinical Chiropractic updated with recent information Support documents for exercise testing, pre-test history and informed c
Book Synopsis Cancer Pain Relief by : World Health Organization
Download or read book Cancer Pain Relief written by World Health Organization and published by World Health Organization. This book was released on 1996 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of a guide, which introduced a simple, yet highly effective method for the relief of cancer pain. Thoroughly revised and updated, the new edition further refines the WHO method, which advocates the use of a small number of relatively inexpensive drugs, including morphine. Revisions draw on experiences with millions of patients around the world as well as new knowledge about the specific pain syndromes unique to cancer. Completely new are chapters describing the international system by which morphine and other opioids are made available for medical purposes. The book has two parts. Part one provides a practical guide to the relief of cancer pain, concentrating on drug treatment as the mainstay of pain management. The most extensive section sets out detailed guidelines for the selection and prescribing of non-opioid analgesics, opioid analgesics, drugs for neuropathic pain, and adjuvant drugs for the treatment of adverse effects, the enhancement of pain relief and the management of concomitant psychological disturbances. Information ranges from explanations of how specific drugs work, through the precautions to take in the presence of certain disorders, to a list of factors that influence the effectiveness of opioids. Concerning the use of opioids, readers are reminded that psychological dependence does not occur in cancer patients and that the only correct dose of morphine is the one that relieves the pain. Part two provides a guide to opioid availability. A discussion of the reasons why opioids continue to be underprescribed or difficult to obtain is followed by an explanation of the Single Convention on Narcotic Drugs.
