ELEMENTS OF ENGINEERING ELECTROMAGNETICS BY NANNAPANENI NARAYANA RAO PDF
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Elements of Engineering. Electromagnetics. Sixth Edition. Nannapaneni Narayana Rao. Edward C. Jordan Professor of Electrical and Computer Engineering. User Review - Flag as inappropriate. how to download elements of engineering electromagnetics by cittadelmonte.info pdf ebook. Contents. 1 VECTORS AND FIELDS. 1. Electromagnetics Sixth Edition. Elements of Engineering Electromagnetics Sixth Edition. Nannapaneni Narayana Rao Edward C. Jordan Professor of Electrical.
Goodreads helps you keep track of books you want to read. Want to Read saving…. Want to Read Currently Reading Read. Other editions. Enlarge cover. Error rating book. Refresh and try again.
Showing Rating details. Sort order. Oct 26, Kao Ethan rated it really liked it Shelves: Its main idea is how to use electromagnetism in engineering so that it doesn't explain the details about why the equations is that.
If you want to know the concept more, then I recommend Griffiths' EM book. Electromagnetism concepts is not all just "physics". Some ideas are about engineering. You can see those things in this book.
Its math trick is not difficult Griffiths book's math is very beautiful. I ended up in a related field, so was not too bad. It helped to like Cal Chairil Rizkyanto rated it it was amazing Jan 16, Rakesh Roshan rated it it was amazing Feb 22, Maro rated it it was amazing Mar 15, Hamdi rated it liked it Jan 08, Bing-Jing Li rated it it was amazing Apr 12, Sowjanya Nanduri rated it really liked it Nov 20, Basud rated it it was amazing Dec 17, Brady rated it it was ok Apr 23, Brendan rated it liked it Sep 26, Vo Nguyen rated it it was amazing Aug 18, Vishwas Tirumala rated it really liked it Sep 27, Steve Hanna rated it really liked it Feb 28, Hamdi rated it did not like it Jan 08, Tseng rated it liked it Mar 08, Cole Brodine rated it really liked it May 29, Aditya rated it really liked it Feb 14, Will Derousse rated it it was ok Nov 18, Yue Huang bing rated it it was amazing Nov 19, Michael Wang rated it really liked it Dec 05, Hoonio rated it it was ok Jul 02, Alex rated it it was amazing Feb 25, Amit Kumar rated it it was amazing Jul 31, There are no discussion topics on this book yet.
About Nannapaneni Narayana Rao. While on the platform waiting for the electric train to arrive from Tambaram. Never did I envision that I would be spending my entire professional career since in the hallowed halls of the William L. After the send-off party. I can only say that my learning of electromagnetic theory at that time was hazy at best. To my alma mater. Never did I envision that not only would I be writing books for teaching electromagnetics. Sri P. I offer to you this book on EM which I wrote with much excitement In appreciation of your profound influence on my professional advancement.
To the EE Department at the University of Washington From this grateful alumnus who received from you his graduate education Not just graduate education but seven years of solid academic foundation For my successful career at the University of Illinois at Urbana-Champaign During which I have written six editions of this book on electromagnetics Besides engaging in the variety of all the other academic activities I present to you this book with utmost appreciation On the occasion of your centennial celebration!
And when you are grateful in life. The MOU has to do with an initiative. Even as late as November I did not envision the publication of this Indian edition. At the conclusion of the response speech on the occasion of the investiture as the Edward C. It came about as a consequence of the signing of a memorandum of understanding MOU in December I may have studied EM from your book with much bewilderment But today.
Preface xxiii So. Madras Institute of Technology. Jordan Professor of Electrical and Computer Engineering. To Edward C. In this Indian edition. ECE Department. You will find among them teachers. I came up with this poem: Here is a little poem for Mother My mother. The term. I also express my thanks to James Hutchinson. I feel more like an IndiAmerican! This question is particularly prevalent when it comes to studying electromagnetics.
I bring this book to you. As a result. I am grateful to them all. I also bring to you for the first time in an electromagnetics textbook. Om Shri Ganeshaya Namaha To the land of my birth. Matrudevo bhava! Pitrudevo bhava! Acharydevo bhava! Atithidevo bhava! And to the land of my work. Introductory textbooks on engineering electromagnetics can be classified broadly into three categories: Mani proclaimed on the platform of the Chromepet Railway Station.
The deviation from the traditional approach. Two-semester textbooks. Everitt Laboratory of Electrical and Computer Engineering—a facility that provided education to numerous presidents of companies—located at the northeast corner of the intersection of Wright and Green Streets in Urbana. Most textbooks fall into categories 1 and 2. I shall now tell you about the evolution of this book. And I am pleased and proud to bring to you. One-semester textbooks based on a traditional approach of covering essentially electrostatics and magnetostatics.
For example. In the fifth edition. Recognizing this development. Preface xxvii originated with the first edition. Subsequent editions have further enhanced the usage by incorporating changes and adding material to satisfy the prerequisite needs pertinent to emerging technologies.
I have carried the organization of the topics even further in the sixth edition and hence in this Indian edition by dividing the book into two parts. These chapters contain essentially the material in Chapters 1—6 and 8 of the fifth edition. Part II. Chapter Chapters 7. Part I. An important factor guiding the revisions has been the organization of topics for a first course in electrical engineering.
When the first edition was written for a one- semester course to meet the needs of both groups of students.
This enhanced its utility for the one-semester student of engineering electromagnetics. In recent years. In preparing the second edition. Devote a chapter to several topics pertinent to electronics and photonics.
Introduce waves and associated concepts by obtaining uniform plane wave solutions from the infinite plane current sheet source. Introduce the transmission line concept and develop transmission line time-domain analysis.
As in the previous editions. Present sinusoidal steady-state analysis of transmission lines comprising the topics of standing waves. Introduce radiation by obtaining the complete field solution to the Hertzian dipole field through the magnetic vector potential.
Introduce electromagnetic potentials and cover topics pertinent to devices. Introduce basic concepts of vectors and fields for static as well as time- varying cases at the outset and bring in vector calculus concepts later as needed.
Devote a chapter to solution techniques. Develop principles of guided waves for both electronics and optoelectronics. Present electric and magnetic field concepts early. As always. I am deeply indebted to my wife Sarojini for her continued understanding and patience. Thanks are also due to the numerous users at other schools. Many individuals in the department have provided support over the years. Preface xxix K at the end of each section. For the book. The evolution of this book would not have been possible without the many opportunities provided to me by the many administrators at the University of Washington and the University of Illinois at Urbana-Champaign from to I wish to express my appreciation to the more than sixty colleagues at the University of Illinois at Urbana-Champaign who have taught from the six editions of the book during the year period from to Uni- versity of Illinois at Urbana—Champaign.
Prior to coming to the United States in Professor Rao has received numerous awards and honors for his teaching and curricular activities.
He completed high school in Nidubrolu in Professor Rao car- ried out research in the general area of ionospheric propagation and authored the undergraduate textbook Basic Electromagnetics with Applications Prentice Hall. University of Indonesia. At the University of Illinois at Urbana—Champaign. In the United States. Guntur District. Madras now known as Chennai. In The fifth edition was translated into Bahasa Indonesia. Andhra Pradesh.
In Fall Professor Rao was named to be the first recipient of the Edward C. Jordan Professorship in Electrical and Computer Engineering. Edward C. Jordan passed away on October At the University of Illinois. A second edition. He received the B. A Tribute to Edward C. His popular textbook. Upon completing his doctoral degree. Jordan was born in Edmonton. Illinois xxxiii. Jordan has had such profound influence on my long professional career at Illinois. In some cases. Jordan served as associate professor from to He re- ceived many honors in his career.
He was regarded as the most revered department head. He returned to Ohio State University in Former department head and longtime engineering dean at Illinois.
Early curricula in the department then called Electrical Engineering included courses in military drills. That tradition. Van xxxv.
His Communication Engineering. Everitt also wrote textbooks. The Illinois Way encompasses more than textbooks. Illinois would be the first program in the nation offering a freshman introduction to concepts in circuits.
Of course. A century ago. That is the essence of the Illinois Way. Fac- ulty. The department is headquartered in the vener- able Everitt Laboratory and enjoys world-class. Professor Rao was hired to join the Illinois faculty in by Jordan. A sampling of their achieve- ments follows. In the department was renamed the Department of Electrical and Computer Engineering. Prentice Hall published the first edition of Elements in Today the department enjoys a longstanding.
It is fitting. Enrollments increased. A computer engineering curriculum was established in the department in As of ECE faculty members advise and instruct more than undergraduate and over graduate students. The war also boosted the volume of research contracts handed out by the government. Swenson established radio astronomy at the Uni- versity of Illinois in with construction of the Vermilion River Ob- servatory.
Bardeen would go on to develop the theory of superconductivity at Illinois in He shared the Nobel Prize in physics for the invention of the transistor. Gene Slottow. In they received. He remained on the ECE staff until his death in Lo created antenna designs that improved the efficiency of giant radio telescopes. Kilby won the Nobel Prize in physics for his invention.
Swenson would go on to serve as head of both the EE and Astronomy departments. Holonyak and graduate student Ed Rezek demonstrated the first quantum-well laser in The Illinois ECE Series has been conceived with the aim of reintroducing electrical and computer engineering students worldwide to the Illinois Way. Stu- dents who appreciate these books are encouraged to visit ECE-Illinois on the web at www. An electric field is a force field that acts upon material bodies by virtue of their property of charge.
An electromagnetic field is made up of interdependent electric and magnetic fields. As such. It is the foundation for the technologies of electrical and computer engineering. Electromagnetics EM is the subject having to do with electromagnetic fields.
EM is all around us. In simple terms. A magnetic field is a force field that acts upon charges in motion. EM comes into play. One of two research programs on the campus sponsored by the Office of Naval Research. When the sponsor was asked by the research supervisor. Surely we would all have been in the dark ages Because there would be no such thing as electrical power Nor would there be electronic communication or computer Which are typical of the important applications of ECE And so you see.
Edward Jordan. Coming now to the present. An amusing incident involving the late Edward C. Supporting research for more than 25 years from to The Wullenweber array. Jordan reveals the funda- mental nature of electromagnetics in a lighter vein.
One of the outcomes of that program was research involving the Wullenweber Antenna Array. Emeritus Professor of ECE. Departments of Bioengineering and ECE. Hitachi America Professor of Engineering. Swenson Jr.
Stephen A. University of Washington Kyekyoon Kevin Kim. Herman A.. Departments of ECE. I have requested responses from colleagues at UIUC. Emeritus Professor of EE. Stanford University Eric Dunn. I am grateful to the people.
The use of low-coherence light means that light in the two arms of the interferometer only interfere when their optical pathlengths are matched to within this coherence length. Optical biomedical imaging relies on detecting differences in the properties of light after light has interacted with tissue or cells. OCT can eliminate the need for removing tissue for examination and for diagnosis. Figure 2 shows a basic Michelson-type interferometer. In fact. By varying the position of the reference-arm mirror.
Optical coherence tomography OCT is one such biomedical imaging technology that is rapidly emerging and currently being translated from laboratory-research into clinical practice. To assemble two. Because the wavelength of light is smaller than sound. The figure also shows a cross-sectional OCT image of muscle tissue. The study of EM has direct relevance to understanding how light interacts with tissue. The spectroscopic wavelength-content of light pro- vides a new dimension of diagnostic information since many of the constituents of biological tissue.
Since light travels much faster than sound. The study of EM is essential to understanding the properties of light.
In addition. OCT enables high-resolution imaging that can identify indi- vidual cells in tissue to depths of several millimeters. OCT relies on the principle of optical ranging in tissue.
What makes it intriguing is the fact that it is these concepts that every ECE student will rely upon as he tries to think through and comprehend the basic principles behind the operation of each and every electronic device. Relying upon their early exposure to these ideas through their undergraduate physics preparation. In this undertaking. What makes it challenging is the short period of time over which an ECE student.
Andreas C. At first glance. For all. Nicholas Carter. For some this learning process is a feast for the intellect. This textbook meets these requirements in a masterful way. UIUC A Computer Systems Perspective Computer systems and digital electronics are based on a hierarchy of abstractions and approximations that manage the amount of complexity an engineer must consider at any given time.
The result is the hands-on learning of electric and magnetic fields and the quantitative understanding of what happens as charged particles move around un- der their influence. Wire delays are a significant component of clock cycle times in modern digital systems.
Choosing approximations that neglect important factors can lead to designs that fail when implemented in hardware. One example of a situation in which a computer engineer must be familiar with EM is deciding which delay model to use for the wires in a design.
When the rise and fall times of signals on a wire are long compared to the time it takes for an EM wave to travel along the wire.
While the fields. For others it is an inspirational journey into the understanding of some of the most important forces of nature that govern our existence. For most. Over the course of the clock cycle. As devices that communicate through wired or wireless networks become more common. In purely-digital systems. Another effect is that changes in the amount of current flowing through a wire or the voltage of the wire can induce currents or voltages in other wires through inductive or capacitive coupling crosstalk.
These circuits see similar rhythms every half-cycle. Another example comes from the spikes in power consumption and current flow that occur in digital systems at the start of each clock cycle. This can have a significant effect on the performance of a system. In a vacuum. Some circuits use clocking methodologies in which registers latch their inputs on both the rising and falling edges of the clock.
These are but two examples of cases where a computer engineer or digital system designer must be able to consider EM effects in order to build systems that meet their design requirements. As technology advances, such cases will become more and more common, if for no other reason than the fact that designers are continually driven to push the limits of a given integrated circuit fabrication tech- nology in order to outperform their competition. To be successful, an engineer must be not only a master of his or her specialty, but an expert in all of the areas of electrical engineering that impact that specialty, including EM.
EM theory is an essential basis for understanding the devices, methods, and systems used for electrical energy. Both electric and magnetic fields are defined in terms of the forces they produce. A strong grasp of fields is essential to the study of electromechanics—the use of fields to create forces and motion to do useful work.
In electromechanics, engineers design and use magnetic field arrangements to create electric machines, transformers, inductors, and related devices that are cen- tral to electric power systems. In microelectromechanical systems MEMS , engi- neers use both magnetic and electric fields for motion control at size scales down to nanometers. At the opposite end of the size scale, electric fields must be man- aged carefully in the enormous power transmission grid that supplies energy to cities and towns around the world.
The lines they carry can be millions of meters long. EM theory is a vital tool for the design and operation of these lines and the many devices needed to connect to them.
All engineering study related to electrical energy and power relies on key concepts from EM theory. Several examples follow, showing how EM theory is used in electrical energy applications. The water supplies in our cities, the manufacturing processes in our industries, the data equipment in our banks, and a million other vital systems use electric machines as key working components. Today, a typical house is likely to have hundreds of machines, ranging from computer disk drives and DVD players to large motors for appliances and space conditioning.
A modern automobile has dozens of electric machines. Hybrid electric vehicles, sure to have a major impact on our economy and environment, use electric motors for propulsion, power steer- ing, cooling, and a host of other functions.
Industrial automation and robotics rely on electric machines. Electrical motors, generators, and actuators are energy conversion devices. The conversions between electrical and mechanical energy take place in coupling fields. Force is produced by interaction of fields with charge or current. The enormous electric generators used in power plants are essential to inexpensive, reliable electricity. Analysis and design of electric machines based on magnetic fields relies on the EM discoveries of Henry, Ampere, Biot, Savart, Faraday, and many famous physicists and engineers who have worked since then to transform experimental results and mathematical ideas into useful devices.
Machines based on electric fields, common in MEMS applications, are analyzed and designed based on the EM discoveries of Franklin, Coulomb, Gauss, and a host of other contributors. Power Conversion National and international electricity grids are enabled by transformers, which convert voltage and current to preferred levels.
Transformers enable the use of long-range high-voltage power transmission—a method that would be inefficient and limited without them. They enable efficient production of low-voltage electricity for digital electronics and home appliances. Transformer design and operation requires a clear understanding of magnetics, including ef- fects such as eddy current and hysteresis loss that are related to fundamental laws of Ampere and Faraday.
More recently, power electronic circuits have become ubiquitous. These cir- cuits use silicon switching devices such as transistors and diodes to manage energy flow.
Applications include computer power supplies, automotive systems, alterna- tive energy production, motor controllers, efficient lighting, and portable elec- tronics, to name just a few.
These circuits use high-frequency magnetic compo- nents, including transformers and inductors for energy storage. Magnetic compo- nents are often the largest and most expensive components in power converters.
A thorough understanding of magnetic design is fundamental to their application. In power converter circuit design, EM theory plays another role. Fast switch- ing of large currents and voltages radiates EM energy that interacts with nearby parts. The noise and interference that result are difficult to manage.
The concepts of coupling capacitance, mutual inductance, and signal transmission play impor- tant roles here. They can only be understood with a proper background in EM theory.
EM fields and forces are the basis of modern electrical systems. The engineering of electrical energy relies on a thorough understanding of EM.
In the future, society needs more efficient energy processing, expanded use of alternative en- ergy resources, more sophisticated control capabilities in the power grid, and bet- ter industrial processes. EM represents an essential and fundamental background that underlies future advances in energy systems.
Hence, electromagnetics is the source of fundamental principles behind many branches of electrical engineering, and indirectly impacts many other branches.
For example, many laws in circuit theory can be derived from laws of EM. The increased clock rates of computers make the electrical signals in computer circuits and chips more electromagnetic in nature, meaning that mastering their manipulation requires a fundamental understanding of EM. EM includes the study of antennas, wireless communication systems, and radar technologies.
In turn, these technologies are supported by microwave engi- neering, which is an important branch of EM. Traditionally, the understanding of EM phenomena has been aided by mathematical modeling, where solutions to simplified models are sought for the understanding of complex phenomena. The branch of mathematical modeling in EM has now been replaced by computational electromagnetics where solutions to complex models can be sought efficiently.
The use of laws of EM can also extend into the realms of remote sensing, subsur- face sensing, optics, power systems, EM sources at all frequencies, terahertz sys- tems, and many other branches of electrical engineering. Understanding of electric fields is important for understanding the operating principles of many semiconductor and nanotechnology devices.
Many electrical signals are conveyed as electromagnetic waves, and hence, communications, con- trol, and signal processing are indirectly influenced by our understanding of the. EM is also important in biomedical engineering. Following are three examples in application areas. Circularly polarized antennas are important for communicating with satellites since the ionosphere causes Faraday rotation of the field.
The figure shows the induced current on the car body. It uses a single-feed microstrip patch antenna that produces a circularly polarized radiation field.
The lower figure shows the detail features of the microstrip patch antenna driven by a single probe. Antenna Analysis on Car Roof Figure 4 shows the analysis of the radia- tion characteristics of an antenna located on a car. Figure 5 shows the cross talk in a computer chip due to the high clock rate of the chip. Crosstalk Analysis in Microchip Computational EM can be used to model the small lengthscale physics in a microchip. The frequency under study here is gigahertz.
The analysis of the antenna on a car roof needs computational EM analysis to be performed at very small lengthscale to capture the physics of the antenna patch driven by a single feed. FIGURE 5 Electric current distribution in crisscross lines inside a microchip due to crosstalk at high clock rate of the chip. One can see that EM energy is leaking over to the other lines even though only one line is excited in the circuit.
Elements of engineering electromagnetics - Nannapaneni Narayana Rao - Google книги
Subsurface Sensing EM fields can also be used for remotely sensing objects that cannot be seen with the naked eye. High clock rate makes inductive and capacitive coupling between noncontact lines significant. Our eyes can only see the visible spectrum of the EM spectrum.
Man-made structures such as basement walls and corridors are clearly visible in the reconstruction. Modulation of Light Electro-optical modulators. Fiber Optics.
In the study of optical communication systems. Propagation of Light Optical fibers. Generation of Light Semiconductor lasers. The design of high extraction efficiency LEDs also requires a good understanding of geometric optics. The growing demand for ultra-high-bandwidth Internet technologies requires researchers and engineers to develop novel devices for the generation.
The laser structure requires a waveguide or cavity in which light is confined in the form of optical resonator modes. Shun-Lien Chuang. Knowing EM is a necessity because the wave nature of light plays a vital role in all the above devices. Optical fiber networks have been installed throughout the world. A bulk or dielectric waveguide geometry is usually required.
Detection of Light Semiconductor photodetectors Normal incidence and waveguide geometry photodetectors require a good understanding of EM wave theory because light. These devices require materials with properties. Although stimulated absorp- tion and emission of photons may require a quantum mechanical description of the photon-electron interaction. UIUC Lasers. Single mode and multimode fibers have also been used for local area optical networks.
John Cioffi. Stanford University Hundreds of millions of digital subscriber line DSL broadband access connec- tions are now in use around the globe.
Elements of Engineering Electromagnetics
Even today people are coming up with new results and.. EM at its deepest level is a very mysterious science. Such high-performance transmission requires a fundamental understand- ing of the physical channel and in particular the use of EM theory. Good methods based on such theory have found that the fundamental limits of transmission on telephone lines of up to one kilometer can be a few hundred megabits per second.
EM theory again fundamentally allows such characterization and the calculation of the impact of the various transmission lines upon one an- other. These parameters often vary as a function of frequency also. Eric Dunn. Nobody really knows why EM behaves the way that it does. These few brief letters and symbols contain within them all of the vast theory of EM. EM theory and. EM theory is thus fundamental to understanding of and design thereupon of DSL systems. Such DSLs use the copper telephone-line twisted pair at or near its fundamental data-carrying limits to effect the broadband service.
In either case. Perhaps you are a curious person and the sheer mystery of electromagnetics provides enough allure to draw you in. A twisted pair transmission line can be divided into a series of incrementally small circuits that are characterized by fundamental passive circuit elements of resistance R. For every equation derived. As modern devices become smaller and faster.
If you are a curious person then you will find the study of EM theory contains plenty of mystery to explore. After all. I cannot tell you how many times I have heard this from my students. This is one theory that will be around for a long time to come. Engineers use the theory in their work whether they admit it or not.
These can be finding clever ways to solve them. Not only is the science behind EM very mysterious at its core. EM theory is a discipline that has been developed for hundreds of years.
In their own words.. Even if the headlines do not credit EM theory for its accomplishments you can be sure that EM has had its impact. The IEEE is a global nonprofit organization with over EM plays a significant role in the numerous areas spanning the field of electrical and computer engineering.
See Figure 3.
If not convinced that EM theory is being used by many of your colleagues. Perhaps you are curious. Some of them may think that since the science of EM does not make the front page headlines of their magazines. The more you study EM. Understandably a lot of engineers. Perhaps you are forced to take a course using this book. So if you have some curiosity about what EM is..
EM phenomena called transmission line effects become critical. And the only reason you are reading this is because you have to. You see. Let us say you are not curious.
This particular device converts and modu- lates a baseband BB radio-frequency signal into the carrier frequency required for signal transmission.
The lessons you will learn while visualizing the invisible world of EM will help give you the tools that could help you describe other sciences. You will see analogies between how EM fields interact and other physical phenomena.
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