Reliability Model for Compressor Failure SMRE Term Project Paul Zamjohn August 2008.

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Reliability Model for Compressor Failure SMRE Term Project Paul Zamjohn August 2008

Proposal Compressor Failure Data: Case 2.16 of Blischke-DATA Data on “large air compressors” for a military base near the seacoast will be analyzed to determine the probabilistic failure structure. Air compressors require “bleeding” prior to operation to function properly, the data below represents failure due to binding in the bleed system. Salt air due to proximity to the ocean is believed to be a major contributor, nothing is known about other variables and their impact to reliability. Analysis will include: Generating the descriptive statistics Selecting the distribution that best describes the data and the distribution parameters Calculating the failure probability density function (f) Calculate the cumulative distribution function (F) Calculating the survival probability function (R) Calculating the hazard function (z) Determining the MTTF Perform Monte Carlo simulation to model and assess reliability

Compressor Failure Data

Failure vs. Reliability Function Probability Distribution Function Hazard (failure) RateMonte Carlo Simulation vs. Equation