Harris'''''''' Shock and Vibration Handbook Part 16 ppt

... in the pins and their bushings changes the properties of the damper, thus requiring replacement of these parts at intervals. REFERENCES 1. Nestorides, E. J.:“A Handbook of Torsional Vibration, ” ... ignored. Shrunk and Keyed Parts. The stiffness of shrunk and keyed parts is difficult to estimate as the stiffening effect depends to a large extent on the tightness of the shrunk fit an...

Ngày tải lên: 11/08/2014, 07:23

... 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...

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... 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 d...

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... slip-frequency sidebands the region of the principal vibration slot harmonics around slot harmonics also have slip-frequency sidebands. 16. 15 8434_Harris _16_ b.qxd 09/20/2001 12 :16 PM Page 16. 15 trum ... the use of vibration measurements for monitoring the condition of machinery. Vibration is the parameter which can be used to predict 16. 1 8434_Harris _16_ b.qxd 09/20/2001 12...

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... signal has random amplitude and random phase distribution and contains energy throughout the frequency spectrum.The difference between this signal and the periodic random signal is that the random ... 22.5, the random vibration record x(t) is passed through a narrow bandpass filter with a bandwidth B e and center frequency f to obtain an output x(f,B e ,t). The output is squared an...

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... 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...

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... 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...

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... 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...

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... 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...

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... 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...

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