Proceedings PaperInfrared thermography of fan and compressor systems in a predictive maintenance program
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Predictive Maintenance programs have been shown to be an effective and efficient approach to managing facilities maintenance. Cost savings through the reduction of time- based preventive tasks, and the reduction of unanticipated failures can be significant. Several inspection techniques have become standard, and are applicable to a broad range of equipment types and inspection scenarios. IR thermography of fan and compressor equipment presents a significant opportunity for cost saving applications in may facilities. Ventilation systems supply air to and remove air from working spaces, and mitigate environmental conditions for a number or purposes. Removal of hazardous pairs or gases, positive pressure atmosphere, or negative pressure atmosphere are a few examples. Vaneaxial fans are a common equipment type used to achieve this purpose. Both direct drive and belt driven fans are common for these systems. Belt drives present some unique imaging applications, where sheave and belt surface scan be observed. Compressor equipment has normally high operating temperatures, relative to other rotating equipment. The compression of gases is exothermic, and as a result, most compressors rely on an integral cooling process to function properly. Uniformity of temperature distribution on equipment surfaces, function of cooling systems, and verification of proper operation of loading and relief valves provide an overall illustration of equipment health.