Journal of Vibration and Acoustics: Recent submissions
Now showing items 3321-3340 of 3913
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An Experimental Study of Induction Noise in Four-Cylinder Internal Combustion Engines
(The American Society of Mechanical Engineers (ASME), 1989)Induction noise has become a major source of consumer complaints in automobiles powered by four-cylinder engines. Induction noise typically manifests itself as a low frequency booming or “mooing.” ... -
Nonlinear Oscillations in Physical Systems
(The American Society of Mechanical Engineers (ASME), 1989) -
Quenching of Self-Excited Vibrations
(The American Society of Mechanical Engineers (ASME), 1989)A passive vibration control system for the quenching of undesirable self-excited vibrations in mechanical systems is presented. The system is a Lanchester damper, attached to the main self-excited ... -
Mount Stiffnesses and Inertia Properties from Modal Test Data
(The American Society of Mechanical Engineers (ASME), 1989)A new method for determining an analytical model of a rigid body on mounts is presented. The method uses experimental data from a modal test as input. The output is rigid body mass properties ... -
Anti-Swirl Arrangements Prevent Rotor/Seal Instability
(The American Society of Mechanical Engineers (ASME), 1989)Fluid involved in rotative motion (fluid “swirl”) within seals of high speed fluid handling machines is a recognized source of rotor instability. This type of instability leads to the limit ... -
Identification of Structural Interface Characteristics Using Component Mode Synthesis
(The American Society of Mechanical Engineers (ASME), 1989) -
Calculating the Acoustical Properties of Plane Uniform Constructions
(The American Society of Mechanical Engineers (ASME), 1989)A procedure for calculating the measures of the acoustical performance of a wide range of plane acoustical constructions which are used in buildings and in industry is described. These measures ... -
Modeling and Finite Element Analysis of Drill Bit Vibrations
(The American Society of Mechanical Engineers (ASME), 1989)Drill bit vibrations are modeled using the Euler-Bernoulli beam theory. The model includes the most important properties of drill bits and of the drilling operation. These are: the drill bit ... -
The Lower Bound of the Stability Threshold Speed of a Flexible Rotor System in Fluid-Film Bearings
(The American Society of Mechanical Engineers (ASME), 1989)The paper is devoted to the estimation of the lower bound of the stability threshold speed (STS) of a flexible rotor system supported in fluid-film bearings. It is proved theoretically that ... -
Calculation of Acoustic Transfer Properties of Closed-Loop Type Pipeline Systems Having More Than One Output
(The American Society of Mechanical Engineers (ASME), 1989)Expanding the previously elaborated algorithm of tree structure pipeline systems of reciprocating compressor installations, the paper introduces an analytical description and a procedure for combined ... -
A Method for Reasoning by Analogy in Failure Analysis
(The American Society of Mechanical Engineers (ASME), 1989)An artificial intelligence computer program is being developed for automating the analysis of metallurgical failures. The purpose of this expert system is for recognizing modes of failure like ... -
An Evaluation of Active Noise Control in a Cylindrical Shell
(The American Society of Mechanical Engineers (ASME), 1989)This paper examines the physical mechanisms governing the use of active noise control in an extended volume of a cylindrical shell. Measured data were compared with computed results from a ... -
Effect of Design Variables, Temperature Gradients, and Speed on Life and Reliability of a Rotating Disk
(The American Society of Mechanical Engineers (ASME), 1989)A generalized methodology to predict the fatigue life and reliability of rotating disk such as used for aircraft engine turbines and compressors is advanced. The approach incorporates the computed ... -
The Influence of Geometric and Material Design Variables on the Free Vibration of Thin-Walled Composite Material Beams
(The American Society of Mechanical Engineers (ASME), 1989)The natural frequencies and mode shapes of thin-walled beams constructed of walls, or panels, of advanced composite materials depend upon both the geometry of the cross-section and the mechanical ... -
The Effect of Surface Roughness on Fitting Strength of Shrink Fit Between Ceramic and Metal Elements
(The American Society of Mechanical Engineers (ASME), 1989)Shrink fit is a basic and simple technique for joining metal elements. But it is not suitable for ceramic and metal elements, especially at elevated temperatures. For the accurate estimation ... -
Practical Implementation Issues for Active Control of Large Flexible Structures
(The American Society of Mechanical Engineers (ASME), 1989)Most active control strategies, whether designed in the discrete or continuous domain, will most likely be implemented using a digital control system. Therefore, it is important to study the ... -
Modal Control of Acoustic Plants
(The American Society of Mechanical Engineers (ASME), 1989)This paper produces a three-dimensional closed loop active noise control system using modal control. A state space representation of the acoustic plant was produced and then expanded to include ... -
Piezoelectric Pushers for Active Vibration Control of Rotating Machinery
(The American Society of Mechanical Engineers (ASME), 1989)The active control of rotordynamic vibrations and stability by magnetic bearings and electromagnetic shakers has been discussed extensively in the literature. These devices, though effective, are ... -
Development of an On-Line Rotor Crack Detection and Monitoring System
(The American Society of Mechanical Engineers (ASME), 1989)A very comprehensive technology of on-line rotor crack detection and monitoring has been developed. The technique, based on the vibration signature analysis (VSA) approach, can detect incipient ... -
Proceedings of Noise-Con 87—High Technology for Noise Control
(The American Society of Mechanical Engineers (ASME), 1989)