Harris'''''''' Shock and Vibration Handbook Part 15 pdf

... for static and residual strength and stiffness testing and for the proof load specification. Similar difficulties would arise in the case of all candidate methodologies considered here, and indeed ... temperature (magnitude and variation) and the surrounding medium and its (corrosive, erosive, and chemical) effects Factors tabulated above, such as stress magnitude, history, a...

Ngày tải lên: 11/08/2014, 07:23

... 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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... 21 Average values and tolerance limits for shock and vibration data 20 Other statistical analysis of shock and vibration data 22 Matrix methods of analysis for shock and vibration data 28, Part I 8434_Harris_27_b.qxd ... 22 Fourier and shock response spectral analysis of shock data 23 Modal analysis of structural systems from shock and vibration data 21 Multi...

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... 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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... equations; on the other hand, the mechanics of continua involves partial differential equations. Nonlinear ordinary differential equations are easier to handle than nonlinear partial differential ... 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 RESILIENTLY SUPPORTED RI...

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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 da...

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... Sutherland, J. G., and L. E. Goodman: “Vibrations of Prismatic Bars Including Rotatory Inertia and Shear Corrections,” Department of Civil Engineering, University of Illinois, Urbana, Ill., April 15, ... cosh κl ᎏᎏ sin κl + sinh κl D ᎏ B VIBRATION OF SYSTEMS HAVING DISTRIBUTED MASS AND ELASTICITY 7 .15 FIGURE 7.6 First mode of vibration of beam with left end clamped and right en...

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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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... 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 reciprocating masses. ● Vibration ... the power line and its harmonics. Since these fields attenuate rapidly with distance from the source, 15. 20 CHAPTER FIFTEEN 8434_Harris _15_ b.qxd 09/20/2001 11:10 AM Page 15. 2...

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... Rocklin, and R. Russell: SAE Transactions, 91(1): 815 (1982). 18. Vold, H., and T. Rocklin: Proc. Intern. Modal Analysis Conf., 1982, p. 542. 19. Ibrahim, S. R., and E. C. Mikulcik: Shock and Vibration ... signal has random amplitude and random phase distribution and contains energy throughout the frequency spectrum.The difference between this signal and the periodic random...

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