fundamentals of engineering thermodynamics

... welcome two new co-authors for the seventh edition of Fundamentals of Engineering Thermodynamics Dr Daisie D Boettner, PE, professor of mechanical engineering at the United States Military Academy ... recognition of the evolving nature of engineering curricula, and in particular of the diverse ways engineering thermodynamics is presented, the text is structured to meet a variety of course needs ... Warrington/Alamy ENGINEERING CONTEXT Although aspects of thermodynamics have been studied since ancient times, the formal study of thermodynamics began in the early nineteenth century through consideration of...

Ngày tải lên: 25/08/2013, 09:33

... branch of mathematics that studies the analysis and interpretation of data The use of statistics is an essential aspect of engineering and is important to all engineering fields The mean of a set of ... entry-level treatment of engineering problem-solving and programming using C and Fortran, the predominant computer languages of engineering Although C is presented as the language of choice for program ... mental picture of computer function through language This aspect of programming is often ignored by other texts; however, the critical dependence of data accuracy on the architecture of the implementing...

Ngày tải lên: 19/03/2014, 14:08

... area of applied electromagnetics at the University of Connecticut, where he is currently a professor of electrical engineering His technical contributions include the edited volume Handbook of Engineering ... phenomenon of creation and net alignment of electric dipoles, formed by the displacements of the centroids of the electron clouds of the nuclei of the atoms within the material, along the direction of ... 1.20 Plots of (a) cos ! t À "" z þ 0þ and (b) cos ! t þ ""z þ 0À , versus z, for a few values of t © 2006 by Taylor & Francis Group, LLC Fundamentals Revisited 39 of the rate of change of phase...

Ngày tải lên: 08/05/2014, 15:39

... area of applied electromagnetics at the University of Connecticut, where he is currently a professor of electrical engineering His technical contributions include the edited volume Handbook of Engineering ... phenomenon of creation and net alignment of electric dipoles, formed by the displacements of the centroids of the electron clouds of the nuclei of the atoms within the material, along the direction of ... http://www.simpopdf.com Fundamentals of Engineering Electromagnetics edited by Rajeev Bansal Boca Raton London New York A CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis...

Ngày tải lên: 27/06/2014, 14:20

... column and the kth row The cofactor of this element is the value of the minor of the element (if h + k is even), and it is the negative of the value of the minor of the element (if h + k is odd) ... the effects of po could be ignored The center of buoyancy is located at the centroid of the submerged portion of the body The coordinates of the center of pressure CP are In the case of a body ... the value of a determinant of order n is the sum of the n products formed by multiplying each element of some specified row (or column) by its cofactor This sum is called the expansion of the determinant...

Ngày tải lên: 27/06/2014, 17:20

... area of applied electromagnetics at the University of Connecticut, where he is currently a professor of electrical engineering His technical contributions include the edited volume Handbook of Engineering ... phenomenon of creation and net alignment of electric dipoles, formed by the displacements of the centroids of the electron clouds of the nuclei of the atoms within the material, along the direction of ... 1.20 Plots of (a) cos ! t À "" z þ 0þ and (b) cos ! t þ ""z þ 0À , versus z, for a few values of t © 2006 by Taylor & Francis Group, LLC Fundamentals Revisited 39 of the rate of change of phase...

Ngày tải lên: 29/06/2014, 11:20

... area of applied electromagnetics at the University of Connecticut, where he is currently a professor of electrical engineering His technical contributions include the edited volume Handbook of Engineering ... phenomenon of creation and net alignment of electric dipoles, formed by the displacements of the centroids of the electron clouds of the nuclei of the atoms within the material, along the direction of ... 1.20 Plots of (a) cos ! t À "" z þ 0þ and (b) cos ! t þ ""z þ 0À , versus z, for a few values of t © 2006 by Taylor & Francis Group, LLC Fundamentals Revisited 39 of the rate of change of phase...

Ngày tải lên: 13/08/2014, 02:21

... charge regardless of its position relative to other conductors This mode of induction charging is used often in industry to charge atomized droplets of conducting liquids The sequence of diagrams shown ... resulting in the transfer of charge via a rapid, energetic spark The most dramatic manifestation of this type of discharge is the phenomenon of atmospheric lightning A good rule of thumb is that air ... applications of electrostatics in science and industry and discuss some of the methods used to moderate the effects of unwanted charge 2.2 THE ELECTROQUASISTATIC REGIME Like all of electromagnetics,...

Ngày tải lên: 13/08/2014, 02:21

... visualize the activity of the sensory, cognitive and motor system Figure 3.24 shows an example of an MRI scan of the brain of one of Figure 3.24 An MRI scan of the brain of one of the authors, performed ... loops of arbitrary shapes (i.e., a variety of electrical circuits) Such loops are often made of (or can be approximated by) a sequence of interconnected straight wire segments Evaluation of B ... interpretation of the law of conservation of magnetic flux is that ‘‘magnetic charges’’ not exist, i.e., a south and north pole of a magnet are never found separately The law tells us also that the lines of...

Ngày tải lên: 13/08/2014, 02:21

... the case of a thin wire by iðtÞ Á dl If we know the distribution of time-varying currents, Eq (4.3) enables the determination of the induced electric field at any point of interest Most often it ... secondary consists of windings of discrete conductors with the same number of poles as in the primary stator windings 4.4.3 Electromagnetic Measurement of Fluid Velocity The velocity of flowing liquids ... for the amplitude of iðtÞ reads Im ¼ Vm ="0 N S! 4.4.5 Problems in Measurement of AC Voltage As an example of the measurement of ac voltage, consider a straight copper wire of radius a ¼ mm with...

Ngày tải lên: 13/08/2014, 02:21

... the minima of the fields pass through the region We apply the time-harmonic representation of the field components in terms of complex phasors and use the time average of the product of two time-harmonic ... inside of the conductor are zero Thus, the continuity of the tangential electric fields at the boundary yields Et ¼ ð5:73Þ Since the magnetic fields are zero inside of the conductor, the continuity of ... arises out of the hills, structures, vegetation, and ocean waves It is found that the distribution of the heights of the earth’s surface is usually the gaussian or normal distribution of probability...

Ngày tải lên: 13/08/2014, 02:21

... of propagation in free space In general, the velocity of propagation of a TEM wave on a lossless transmission line embedded in a homogeneous dielectric medium is independent of the geometry of ... junction The voltage amplitude of the transmitted wave is the sum of the voltage amplitudes of the incident and reflected waves on line The ratio of the voltage amplitudes of the transmitted wave on ... basic features of the Smith chart The chart shows a grid of normalized impedance coordinates plotted in the complex plane of the reflection coefficient The impedance grid consists of a set of circles...

Ngày tải lên: 13/08/2014, 02:21

... velocities of waveguide modes are both related to the rates of change of the modal propagation constant  with respect to frequency The phase velocity up is the velocity of the phase fronts of the ... evanescent mode The dominant mode of a waveguide is the one with the lowest cutoff frequency Although higher order modes are often useful for a variety of specialized uses of waveguides, signal distortion ... electrical characteristics of all waveguide types, since their modal eigenvalues are functions only of the cross-sectional shape of the metal cylinder and are independent of frequency For this case,...

Ngày tải lên: 13/08/2014, 02:21

... polarized radiation [2] The geometry of the helix (i.e., the radius, the number of turns, the total length of the wire, the diameter of the wire, and the pitch of the spiral) has a significant effect ... direction of the array This in turn will change the position of the nulls and usually changes the beam width of the main beam In a two-dimensional array of antennas, the direction of the main ... number of turns of wire in the loop structure When the circumference p of the loop is very much smaller than l, one obtains maximum response (i.e., the principal radiation direction) when H of the...

Ngày tải lên: 13/08/2014, 02:21

... the radius of the helix turns near the end of the antenna also has the effect of reducing the reflection of the outward traveling wave and helps flatten the impedance characteristics of the antenna ... bandwidth of the microstrip antenna, in part by using alternative feeding schemes The aperture-coupled feed of Fig 9.2c is one scheme that overcomes the problem of probe inductance, at the cost of increased ... resonance of the RLC circuit (where the input resistance of the patch is maximum), Q ¼ Qtotal is the quality factor of the patch cavity (9.20), and Xf ¼ !Lp is the feed (probe) reactance of the...

Ngày tải lên: 13/08/2014, 02:21

... 10.2.2 Treatment of Signals and Sources The study and characterization of the EMC behavior of systems require an understanding of the nature of electrical signals encountered in engineering practice ... represent it as the weighted sum of a number of basis functions A very popular choice of basis functions are harmonic functions, leading to representation of signals in terms of Fourier components [11] ... these of the required parameters Further discussion of the treatment of wire penetration may be found in Refs 52 and 53 An important aspect of EMC analysis and design is the propensity of cables,...

Ngày tải lên: 13/08/2014, 02:21

... Corporation 7-5 Fundamentals of Digital Electronics Lab Digital-to-Analog Converter Figure 7-6 Output of a 4-Bit, 6-Bit, and 8-Bit DAC As the number of bits of the DAC increases, the height of the stair ... state, use OR with a mask of To reset a state, use AND with a mask of To invert a state, use XOR with a mask of © National Instruments Corporation 1-5 Fundamentals of Digital Electronics Lab ... scale of the second chart from 255 to 305, you can observe the repetitive nature of the PRBS Figure 5-6 Comparison of the First 50 Binary Bits from a PRBS with Bits 255-305 Fundamentals of Digital...

Ngày tải lên: 19/10/2013, 11:15

... Engineering 1.1 Electrical Engineering 1.2 Fundamentals of Engineering Exam Review 1.3 System of Units 1.4 Special Features of This Book PART I CIRCUITS Chapter Fundamentals of Electric Circuits 2.1 ... completion of the Fundamentals of Engineering (FE) Examination This is an eight-hour exam that covers general undergraduate engineering education The third requirement is two to four years of engineering ... presence of electronic devices and instrumentation in all aspects of engineering design and analysis is one of the manifestations of the electronic revolution that has characterized the second half of...

Ngày tải lên: 23/03/2014, 08:21