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Piezoelectric materials develop an electric charge when mechanical stress is exerted on them. This electrical response upon mechanical stimulation is known as direct piezoelectric effect. Conversely, an applied electric field produces a proportional strain in these materials. The mechanical response to electrical stimulation is called the converse piezoelectric effect. The Curie brothers demonstrated the piezoelectric effect in crystals of quarz, tourmaline, topaz, cane sugar and Rochelle salt during mid 18th century. Pierre Langevin in 1917 demonstrated the first application of piezoelectric crystal in ultrasonic submarine detector. Since then, these materials are used in many applications ...
The rotor shaft is a central component of the electric motor. The rotor shaft is the carrier shaft for the laminated core of the rotor and thus transmits the electrically induced torque via a corresponding positive connection in the transmission. This book gives detail design and analysis of rotor shaft of electric motor using FEA tools as well as traditional numerical technique.
In chapters contributed by 24 university & government laboratories, Nanoengineering of Structural, Functional, and Smart Materials combines wide-ranging research aimed at the development of multifunctional materials that are strong, lightweight, and versatile. This book explores promising and diverse approaches to the design of nanoscale
This book gathers outstanding research papers presented at the International Conference on Frontiers in Computing and Systems (COMSYS 2020), held on January 13–15, 2019 at Jalpaiguri Government Engineering College, West Bengal, India and jointly organized by the Department of Computer Science & Engineering and Department of Electronics & Communication Engineering. The book presents the latest research and results in various fields of machine learning, computational intelligence, VLSI, networks and systems, computational biology, and security, making it a rich source of reference material for academia and industry alike.
It is with immense pleasure that we extend a warm welcome to all of you to the recently concluded conference, international conference on Advances in Science, Technology and Management (ICOSTEM 2023) which took place from November 24 – 27, 2023, in the picturesque Maldives, Male. This significant event focused on the “Recent Technological Advances in Engineering and Management” with special sessions on Applied Sciences, Management and Engineering.
This book constitutes the refereed proceedings of the 52nd Annual Convention of the Computer Society of India, CSI 2017, held in Kolkata, India, in January 2018. The 59 revised papers presented were carefully reviewed and selected from 157 submissions. The theme of CSI 2017, Social Transformation – Digital Way, was selected to highlight the importance of technology for both central and state governments at their respective levels to achieve doorstep connectivity with its citizens. The papers are organized in the following topical sections: Signal processing, microwave and communication engineering; circuits and systems; data science and data analytics; bio computing; social computing; mobile, nano, quantum computing; data mining; security and forensics; digital image processing; and computational intelligence.
The dynamic economic climate invites participants who are grounded in strategic financial management and infrastructure development. Thus, a lack of sufficient infrastructure, in both quality and quantity, often disqualifies developing countries from being key players in the global economy and influences other socioeconomic problems like unemployment, quality of work life, and quality of life. Handbook of Research on Strategic Business Infrastructure Development and Contemporary Issues in Finance discusses the efficiency of good infrastructure and its impact on socioeconomic growth and socioeconomic development in general and addresses contemporary aspects of the strategic financial management essential for accomplishing the objective of wealth maximization in today's challenging and competitive economy. This book is an essential research work for policy makers, government workers and NGO employees, as well as academicians and researchers in the fields of business, finance, marketing, management, accounting, MIS, public administration, economics, and law.
The second half of the past century witnessed a remarkable paradigm shift in approach to the understanding of igneous rocks. Global literature records a change from a classical petrographic approach to emphasis on mineral chemistry, trace element characteristics, tectonic setting, phase relations, and theoretical simulation of magma generation and evolution processes. This book contains contributions by international experts in different fields of igneous petrology and presents an overview of recent developments. This book is dedicated to the late Dr Mihir K. Bose, former professor of the Department of Geology, Presidency College, Calcutta, India, who actively participated in the development of this new global view of igneous petrology.
While writing the book,we have continuously kept in mind the examination requirments of the students preparing for U.P.S.C.(Engg. Services)and A.M.I.E.(I)examinations.In order to make this volume more useful for them,complete solutions of their examination papers up to 1975 have also been included.Every care has been taken to make this treatise as self-explanatory as possible.The subject matter has been amply illustrated by incorporating a good number of solved,unsolved and well graded examples of almost every variety.