Tài liệu FUNDAMENTALS OF ELECTROMECHANICAL ENERGY pdf

... Engineering  E Levi, 2002 1 FUNDAMENTALS OF ELECTROMECHANICAL ENERGY CONVERSION 1. PRELIMINARY CONSIDERATIONS Electromechanical energy conversion is achievable in a number of ways. These possibilities ... Illustration of generation. It is important to note here that the process of electromechanical energy conversion is reversible. This means that either electric energy...

Ngày tải lên: 23/01/2014, 06:20

... Engineering  E Levi, 2002 1 FUNDAMENTALS OF ELECTROMECHANICAL ENERGY CONVERSION 1. PRELIMINARY CONSIDERATIONS Electromechanical energy conversion is achievable in a number of ways. These possibilities ... Illustration of generation. It is important to note here that the process of electromechanical energy conversion is reversible. This means that either electric energy...

Ngày tải lên: 23/01/2014, 06:20

... (1 of 2) [25/04/2002 16:42:07] Fundamentals of Power Electronics http://ece-www.colorado.edu/~pwrelect/book/copies.html (2 of 2) [25/04/2002 16:42:07] Fundamentals of Power Electronics Table of ... http://ece-www.colorado.edu/~pwrelect/book/SecEd.html (6 of 6) [25/04/2002 16:42:05] Fundamentals of Power Electronics Fundamentals of Power Electronics Second Edition Up...

Ngày tải lên: 13/12/2013, 01:15

... combination of resisting bodies with successfully constrained relative motions which is used to transform other forms of energy into mechanical energy or transmit and modify available energy to ... Q.4: Discuss ‘factor of safety ‘ in view of the reliability in machine design. A.4: Reliability of a designed machine is concerned with the proper functioning of the ele...

Ngày tải lên: 17/12/2013, 11:15

... 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 ... 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...

Ngày tải lên: 17/12/2013, 11:15

... 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...

Ngày tải lên: 19/01/2014, 18:20

... we must be able to measure with a high degree of accuracy each firm’s cost of equity. Neither of these two condi- tions holds: We cannot find a set of publicly owned firms that differ only in their dividend ... income would be disadvantaged. The value of their stock might increase, but they would be forced to go to the trouble and expense of selling off some of their shares to obta...

Ngày tải lên: 20/01/2014, 18:20

... the end of this lesson, the students should have the knowledge of • The function of couplings in machinery. • Different types of couplings: rigid and flexible couplings. • Types of rigid ... 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) Over...

Ngày tải lên: 23/01/2014, 04:20

... Inner diameter of spring, . i D32mm= 3 900 300 40N/mm 40 10 N/m 15 − ===× Spring rate, k Once the value of stiffness is known, then the value of number of active turns, N of the spring ... 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 mentio...

Ngày tải lên: 23/01/2014, 04:20

... Where, θ = angle of twist L = length of the 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 ... any of the following methods, Integration method Moment-area method, or Energy method (Theorem of Castigliano) Now, the deflection, δ = f (applied load, material property,...

Ngày tải lên: 23/01/2014, 05:20