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A 60-kW Microturbine Demonstration Facility Phase II: Instrumentation, Website Development, and Evaluation

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A 60-kW Microturbine Demonstration Facility Phase II: Instrumentation, Website Development, and Evaluation ( a-60-kw-microturbine-demonstration-facility-phase-ii-instrum )

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Mechanical Tasks: Instrumentation Several types of transducers are used to analyze the thermodynamic states of the microturbine cogeneration system. These transducers include thermocouples, pressure gauges, flow meters, accelerometers, and acoustical meters. The thermocouples measure the following temperature points: • Ambient • Air compressor outlet • Turbine exhaust • Microturbine Unit exhaust • Heat exchanger inlet (Water & Air) • Heat exchanger outlet (Water & Air) • Gas compressor inlet • Gas compressor outlet The pressure transducers measure the following pressure points: • Ambient • Microturbine Unit exhaust • Heat exchanger inlet (Water) • Heat exchanger outlet (Water) • Gas compressor inlet • Gas compressor outlet The flow meters measure the following flow rates: • Exhaust gas flow • Natural gas flow • Water flow Utilizing these sensors along with an experiment to determine the exhaust properties of the air, a complete set of thermodynamic equations was developed for the first and second laws. Two major concerns for the installation of a microturbine are reliability and maintainability. To monitor the microturbine an accelerometer was installed to record the vibrations emanating from the shaft. The data from the accelerometer will be used to determine a maintenance schedule for the microturbine, and record any warnings that a catastrophic failure may be imminent. Furthermore, an acoustical meter will monitor the sound coming from the microturbine, which will also be useful in determining a maintenance schedule as well as analyzing possible failures. Proceedings of the 2004 American Society of Engineering Education Annual Conference & Exposition Copyright © 2004, American Society for Engineering Education

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A 60-kW Microturbine Demonstration Facility Phase II: Instrumentation, Website Development, and Evaluation

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