Harris'''''''' Shock and Vibration Handbook Part 14 docx

Harris'''' Shock and Vibration Handbook Part 14 docx

Harris'''' Shock and Vibration Handbook Part 14 docx

... for Improv- ing Vehical Noise and Vibration, ” SAE Paper 880073 International Congress and Exposi- tion, Detroit, Mich., Feb. 29, 1988. SHOCK AND VIBRATION ISOLATORS AND ISOLATION SYSTEMS 32.41 8434_Harris_32_b.qxd ... elastic and viscous. Rubber parts can there- fore function as shock and vibration isolators and/ or as dampers. Although the term rubber is used rather lo...

Ngày tải lên: 11/08/2014, 07:23

82 199 0
Harris'''' Shock and Vibration Handbook Part 10 docx

Harris'''' Shock and Vibration Handbook Part 10 docx

... Harris and C. E. Crede (eds.), Shock and Vibration Handbook, ” 1st ed., vol. III, chap. 50, McGraw- Hill Book Company, Inc., New York, 1961. 7. Richart, F. E., Jr., J. R. Hall, Jr., and R. D. ... M.: Shock and Vibration Handbook, ” 3d ed., McGraw-Hill Book Company, Inc., New York, 1988. [See also 1st (1961) and 2d (1976) eds.] 21. Stevenson, J. D., W. J. Hall, et al.: “Stru...

Ngày tải lên: 11/08/2014, 07:23

82 291 0
Harris'''' Shock and Vibration Handbook Part 13 docx

Harris'''' Shock and Vibration Handbook Part 13 docx

... 30.24 ISOLATION OF RANDOM VIBRATION In random vibration, all frequencies exist concurrently, and the amplitude and phase relations are distributed in a random manner. A trace of random vibration is ... described as narrow-band random vibration or a random sine wave. The characteristics of random vibration are defined by a frequency spectrum of power spectral density (see Chaps. 1...

Ngày tải lên: 11/08/2014, 07:23

82 239 0
Harris'''' Shock and Vibration Handbook Part 1 ppt

Harris'''' Shock and Vibration Handbook Part 1 ppt

... computer technologies, new methods of shock and vibration control, new instrumentation, and new materials and techniques used in controlling shock and vibration. Many new standards and test codes have also ... discusses methods of controlling shock and vibration, and the design of equipment for shock and vibration environments. A final chapter presents the effect...

Ngày tải lên: 11/08/2014, 07:23

82 603 0
Harris'''' Shock and Vibration Handbook Part 2 doc

Harris'''' Shock and Vibration Handbook Part 2 doc

... value, and increases continuously at a slow rate. The amplitude of the vibration p ᎏ m NONLINEAR VIBRATION 4.7 FIGURE 4.10 Period of free vibration of a simple pendulum according to Eq. (4.3) and showing ... Chap. 39). If the bearings are a distance l apart and the dynamic reactions F x and F y are measured, the products of inertia are 2I xz ᎏ I zz − I xx VIBRATION OF A RESILI...

Ngày tải lên: 11/08/2014, 07:23

82 183 0
Harris'''' Shock and Vibration Handbook Part 3 ppt

Harris'''' Shock and Vibration Handbook Part 3 ppt

... Systems,” J. of Vibration and Acoustics, 117(B):117–161, 1995. 5. Choi, Y. S., and S. T. Noah: “Forced Periodic Vibration of Unsymmetric Piecewise-Linear Systems,” J. of Sound and Vibration, 121(3):117–126, ... the following real and imaginary components: m eq = m a − jm a (6.5) The real and imaginary parts of m eq are shown in Fig. 6.7A and B, respectively. If there is no da...

Ngày tải lên: 11/08/2014, 07:23

82 264 0
Harris'''' Shock and Vibration Handbook Part 4 doc

Harris'''' Shock and Vibration Handbook Part 4 doc

... 41:744 (1921); 43:125 (1922). 11. Sutherland, J. G., and L. E. Goodman: “Vibrations of Prismatic Bars Including Rotatory Inertia and Shear Corrections,” Department of Civil Engineering, University ... X and Y directions, respectively. In each mode there are m − 1 evenly spaced nodal lines parallel to the Y axis, and n − 1 parallel to the X axis. Rayleigh’s and Ritz’s Methods. The mo...

Ngày tải lên: 11/08/2014, 07:23

82 203 0
Harris'''' Shock and Vibration Handbook Part 6 pps

Harris'''' Shock and Vibration Handbook Part 6 pps

... measurement of shock and vibration. It deals with the measurement of parame- ters which characterize the total (broad-band) signal. Considerable reference is made to Chaps. 22 and 23, which give ... replace the rectifier. VIBRATION METERS Vibration meters are instruments which receive a signal from a vibration transducer and process it so as to give an indication of relevant v...

Ngày tải lên: 11/08/2014, 07:23

82 321 0
Harris'''' Shock and Vibration Handbook Part 7 ppt

Harris'''' Shock and Vibration Handbook Part 7 ppt

... 16.4 VIBRATION ANALYZERS AND THEIR USE 14. 39 FIGURE 14. 33 Analytic signal for simple amplitude modulation. (A) Analytic signal a(t) + jã(t) = A(t)e jφ(t) .(B) Real part a(t). (C) Imaginary part ... vanes and blades in pumps and fans, number of motor poles, and number of stator slots and rotor bars. ● Vibratory forces such as misalignment, mass unbalance, and reciprocatin...

Ngày tải lên: 11/08/2014, 07:23

82 322 0
Harris'''' Shock and Vibration Handbook Part 8 pdf

Harris'''' Shock and Vibration Handbook Part 8 pdf

... shock and vibration. ISO TC 108/SC 2 (Measurement and Evaluation of Mechanical Vibration and Shock as Applied to Machines, Vehicles, and Structures) is involved with the vibration of ships, and ... in equipment design and testing are listed in Table 20.1. Those printed in boldface, namely, shock and vibration, are the ones of special concern in this handbook. Shock...

Ngày tải lên: 11/08/2014, 07:23

82 274 0
w