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Author: Florian Ion Petrescu
Publisher: BoD – Books on Demand
ISBN: 3848267675
Category : Technology & Engineering
Languages : en
Pages : 74
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Book Description
In the first chapter it determines precisely, the dynamics-efficiency, but at the gears transmissions, the dynamics efficiency is the same like the mechanical efficiency; this is a greater advantage of the gears transmissions. This advantage, specifically of the gear's mechanisms, may be found at the cam mechanisms with plate followers as well. In the second chapter one presents shortly an original method to obtain the efficiency of the geared transmissions in function of the contact ratio. With the presented relations it can make the dynamic synthesis of the geared transmissions having in view increasing the efficiency of gearing mechanisms in work. We calculate the efficiency of a geared transmission, having in view the fact that at one moment there are several couples of teeth in contact, and not just one. The start model has got four pairs of teeth in contact (4 couples) concomitantly. The best efficiency can be obtained with the internal gearing when the drive wheel 1 is the ring; the minimum efficiency will be obtained when the drive wheel 1 of the internal gearing has external teeth. For the external gearing, the best efficiency is obtained when the bigger wheel is the drive wheel; when we decrease the normal angle alpha0, the contact ratio increases and the efficiency increases as well. The efficiency increases too, when the number of teeth of the drive wheel 1 increases (when z1 increases). Nearly all the models studied the dynamic on gearing with axes parallel, is based on mechanical models of classical (known) who is studying spinning vibration of shafts gears and determine their own beats and strains of shafts spinning; sure that they are very useful, but are not actually join formed of the two teeth in contact (or more pairs of teeth in contact), that is not treated physiology of the mechanism itself with toothed gears for a view that the phenomena are dynamic taking place in top gear flat; model [1] just try this so, but the whole theory is base
Author: Florian Ion Petrescu
Publisher: BoD – Books on Demand
ISBN: 3848267675
Category : Technology & Engineering
Languages : en
Pages : 74
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Book Description
In the first chapter it determines precisely, the dynamics-efficiency, but at the gears transmissions, the dynamics efficiency is the same like the mechanical efficiency; this is a greater advantage of the gears transmissions. This advantage, specifically of the gear's mechanisms, may be found at the cam mechanisms with plate followers as well. In the second chapter one presents shortly an original method to obtain the efficiency of the geared transmissions in function of the contact ratio. With the presented relations it can make the dynamic synthesis of the geared transmissions having in view increasing the efficiency of gearing mechanisms in work. We calculate the efficiency of a geared transmission, having in view the fact that at one moment there are several couples of teeth in contact, and not just one. The start model has got four pairs of teeth in contact (4 couples) concomitantly. The best efficiency can be obtained with the internal gearing when the drive wheel 1 is the ring; the minimum efficiency will be obtained when the drive wheel 1 of the internal gearing has external teeth. For the external gearing, the best efficiency is obtained when the bigger wheel is the drive wheel; when we decrease the normal angle alpha0, the contact ratio increases and the efficiency increases as well. The efficiency increases too, when the number of teeth of the drive wheel 1 increases (when z1 increases). Nearly all the models studied the dynamic on gearing with axes parallel, is based on mechanical models of classical (known) who is studying spinning vibration of shafts gears and determine their own beats and strains of shafts spinning; sure that they are very useful, but are not actually join formed of the two teeth in contact (or more pairs of teeth in contact), that is not treated physiology of the mechanism itself with toothed gears for a view that the phenomena are dynamic taking place in top gear flat; model [1] just try this so, but the whole theory is base
Author: Relly Victoria Petrescu
Publisher: BoD – Books on Demand
ISBN: 3848266571
Category : Technology & Engineering
Languages : en
Pages : 114
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Book Description
Mechanical Engineering Design is the first edition of a largest old preocupation of the authors in this field. It presents the design of the Otto Motors, kinematics and dynamics, a new Otto engine, the efficiency of the engines with internal combustion, the design of the V engines, the design of the distribution mechanisms, the design of the power train and the design of the drivetrain. It presents as well the design of the planetary trains with their real efficiency. The book has 14 chapters. Since the predominant component in all chapters is the dynamics, the book might be called and dynamic design in mechanical engineering.
Author: Marilyn DeLong
Publisher: A&C Black
ISBN: 1847889530
Category : Art
Languages : en
Pages : 303
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Book Description
From products we use to clothes we wear, and spaces we inhabit, we rely on colour to provide visual appeal, data codes and meaning. Color and Design addresses how we understand and experience colour, and through specific examples explores how colour is used in a spectrum of design-based disciplines including apparel design, graphic design, interior design, and product design. Through highly engaging contributions from a wide range of international scholars and practitioners, the book explores colour as an individual and cultural phenomenon, as a pragmatic device for communication, and as a valuable marketing tool. Color and Design provides a comprehensive overview for scholars and an accessible text for students on a range of courses within design, fashion, cultural studies, anthropology, sociology and visual and material culture. Its exploration of colour in marketing as well as design makes this book an invaluable resource for professional designers. It will also allow practitioners to understand how and why colour is so extensively varied and offers such enormous potential to communicate.
Author:
Publisher:
ISBN:
Category : Dyes and dyeing
Languages : en
Pages : 610
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Book Description
Author:
Publisher:
ISBN:
Category : Dyes and dyeing
Languages : en
Pages : 496
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ISBN:
Category : Trademarks
Languages : en
Pages : 1102
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Author: Lester Gray French
Publisher:
ISBN:
Category : Machine-tools
Languages : en
Pages : 1242
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Author: United States. Patent Office
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 1830
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Book Description
Author: Fibre2Fashion
Publisher: Fibre2Fashion
ISBN:
Category : Antiques & Collectibles
Languages : en
Pages : 108
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Book Description
Fibre2Fashion magazine—the print venture of Fibre2Fashion.com since 2011—is circulated among a carefully-chosen target audience globally, and reaches the desks of top management and decision-makers in the textiles, apparel and fashion industry. As one of India's leading industry magazines for the entire textile value chain, Fibre2Fashion Magazine takes the reader beyond the mundane headlines, and analyses issues in-depth.
Author: Kuinam J Kim
Publisher: Springer
ISBN: 9811014094
Category : Technology & Engineering
Languages : en
Pages : 255
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Book Description
This book presents the peer-reviewed contributions of ICMWT2016, an international conference devoted to mobile and wireless technology. Researchers and professionals from academia and industry met to discuss the cutting-edge developments in the field. The book includes papers on mobile and wireless networks, the increasingly important security issues, data management, as well as the latest developments in mobile software development.
