fundamentals of electric circuits
... in an electrical network. Kirchhoff’s laws, along with Ohm’s law, form the basis of circuit theory. Born the son of a lawyer in Konigsberg, East Prussia, Kirchhoff entered the University of Konigsberg ... large variety of electric circuits. Kirchhoff’s lawswerefirst introduced in 1847 by theGermanphysicistGustav Robert Kirchhoff (1824–1887). These laws are formally known as Kirchhoff’s current ... chemist Robert Bunsen led to the discovery of cesium in 1860 and rubidium in 1861. Kirchhoff was also credited with the Kirchhoff law of radiation. Thus Kirchhoff is famous among engineers, chemists, and...
Ngày tải lên: 08/05/2014, 15:37
... SEPIC Index http://ece-www.colorado.edu/~pwrelect/book/contents/TOC2.html (2 of 2) [25/04/2002 16:42:28] Fundamentals of Power Electronics Table of Contents Fundamentals of Power Electronics R. W. Erickson Table of Contents Back 1. Introduction 1.1. ... design http://ece-www.colorado.edu/~pwrelect/book/contents/TOC.html (6 of 11) [25/04/2002 16:42:25] Fundamentals of Power Electronics Table of Contents Chapter titles only Fundamentals of Power Electronics R. W. Erickson Table of Contents Chapter ... switch http://ece-www.colorado.edu/~pwrelect/book/contents/TOC.html (1 of 11) [25/04/2002 16:42:25] Revision to Fundamentals of Power Electronics Fundamentals of Power Electronics First Edition R. W. Erickson Power Electronics Group, University of Colorado...
Ngày tải lên: 13/12/2013, 01:15
... aspect of any design. A wrong choice of material may lead to failure, over or undersized product or expensive items. The choice of materials is thus dependent on suitable properties of the ... arising out of a defective product. Use of a factor of safety only in design does not ensure its overall reliability. Maintenance, cost and aesthetics Maintenance and safety are often interlinked. ... Instructional Objectives At the end of this lesson, the students should have the knowledge of ã Basic concept of design in general. ã Concept of machine design and their types. ã Factors...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Fundamentals of Machine Design P4 pdf
... that the state of stress at a point can be given by six stress components only. It is important to understand the implication of this state of stress at a point in the design of machine elements ... loaded brass strut hinged at both ends is 1m long and is of a square cross-section of sides 20mm. What should be the dimension of a steel strut of the same length and subjected to the same axial ... aluminium shaft of 100mm diameter by a tubular steel shaft of the same outside diameter transmitting the same torque and having the same angle of twist. Find the inner radius of the steel bar...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Fundamentals of Machine Design P15 pdf
... coupling Design details of such couplings will be discussed in the next lesson. The main features of the design are essentially (a) Design of bolts (b) Design of hub (c) Overall design ... students should have the knowledge of ã The function of couplings in machinery. ã Different types of couplings: rigid and flexible couplings. ã Types of rigid couplings such as sleeve, clamp, ... angular misalignment 5.1.2.1.1.F- Types of misalignments in shafts 5.1.2.1.1 Sleeve coupling One of the simple type of rigid coupling is a sleeve coupling which consists of a cylindrical sleeve keyed...
Ngày tải lên: 23/01/2014, 04:20
Tài liệu Fundamentals of Machine Design P20 pdf
... Inner diameter of spring, . i D32mm= 3 900 300 40N/mm 40 10 N/m 15 ===ì Spring rate, k Once the value of stiffness is known, then the value of number of active turns, N of the spring ... Modification of Soderberg diagram ã Estimation of material properties for helical spring ã Types of helical springs ã Design considerations for buckling and surge. 7.2.1 Design of helical ... 4 6 − =+= − k So the value of mean shear stress, and the value of stress amplitude, Estimation of material properties: As no specific use of the spring is mentioned in the...
Ngày tải lên: 23/01/2014, 04:20
Tài liệu Fundamentals of Machine Design P23 pdf
... the limiting values of the angle of twist of a shaft? Version 2 ME , IIT Kharagpur G = shear modulus of elasticity I p = Polar moment of inertia The limiting value of θ varies from 0.3 ... shaft of length 1m, carrying a load of 5 kN at the center and is simply supported as shown in figure. The maximum shaft deflection is 1mm. E=200GPa. Solution The maximum deflection of ... can be shown that the frequency of free vibration of a non-rotating shaft is same as its critical speed. The equation of fundamental or lowest critical speed of a shaft on two supports is,...
Ngày tải lên: 23/01/2014, 05:20
Tài liệu Fundamentals of Machine Design P24 pdf
... Considering the equilibrium of a cut out section the circumferential stress σ θ and longitudinal stress σ z can be found. Consider a section of thin cylinder of radius r, wall thickness t ... a sphere of internal radius r subjected to an internal pressure p as shown in figure-9.1.1.3. The circumferential and longitudinal stresses developed on an element of the surface of the sphere ... procedure of a pressure vessel. We consider a mild steel vessel of 1m diameter comprising a 2.5 m long cylindrical section with hemispherical ends to sustain an internal pressure of ( say)...
Ngày tải lên: 23/01/2014, 05:20
Student Solutions Manual containing selected solutions to Fundamentals of Machine Component Design pdf
Ngày tải lên: 27/06/2014, 08:20
Applied Structural Mechanics Fundamentals of Elasticity Part 7 pdf
Ngày tải lên: 10/08/2014, 11:21
Tài liệu Fundamentals of Robotic Mechanical Systems: Theory, Methods, and Algorithms, Second Edition P2 pdf
... range of a linear transformation L of U into V is the set of vectors v of V into which some vector u of U is mapped, i.e., the range of L is defined as the set of v = Lu, for every vector u of U.Thekernel ... position and orientation of the vehicle body. As a matter of fact, the control of rolling robots bears common features with that of the redundancy resolution of manipulators of the serial type at the ... {v i } n 1 is called the dimension of V.Notethat any set of n linearly independent vectors of V can play the role of a basis of this space, but once this basis is defined, the set of real coefficients {α i } n 1 for...
Ngày tải lên: 19/01/2014, 18:20
Tài liệu Fundamentals of Financial Management (2003) Chapter 12-16 pdf
... assessment of its risk? Your firm, Agrico Products, is considering the purchase of a tractor that will have a net cost of $36,000, will increase pre-tax operating cash flows before taking account of de- preciation ... branch of the decision tree is equivalent to a time line. Thus, the top line, which describes the payoffs under good conditions, has a cash flow of Ϫ$5 million at t ϭ 0 and positive cash flows of $2.5 ... the standard deviation of the NPV, and the coefficient of variation of the NPV? ST-2 New project analysis ST-1 Key terms SELF-TEST PROBLEMS 573 Flexibility Options It is often worth spending money...
Ngày tải lên: 20/01/2014, 18:20