The transverse vibrational characteristics of the connecting rod in a slider-crank mechanism are investigated. The equations of motion are derived, simplified, and solved. For the solution, two different numerical techniques are employed and correlation is achieved. Two dimensionless parameters, S the speed parameter and Z the physical parameter, arise during the derivation of the equations of motion. These parameters can be used by the designer as an indication of the vibrational activity of the mechanism.
In Part 1, electrodynamic drivers are designed for a single, linearized load. In this part, a digital computer simulation program is described. This program more accurately models the nonlinearities of the actual gas load, and can be used to check the performance of candidate designs over the expected range of loading conditions. Two selected designs, a laboratory research compressor and a commercial electrodynamic compressor, were discussed in Part 1. Simulation results for the former are discussed and compared to experimentally measured data. For the latter, a comparable design, also presented in Part 1, is simulated and the results are discussed.
An approximate method for the design of electrodynamic oscillating gas compressors is developed. A linear spring-damper load is used to approximate the gas load at a single design point. Equations are presented for the linear load and for the design of components. A scheme is developed for the determination of design trends, and the trends are discussed. The design method is applied to two existing designs, an experimental and a commercial electrodynamic compressor, as an independent check.
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