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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25573

Title: Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol
Authors: Farra, Nicolas
Advisor: Thomson, Murray J.
Department: Mechanical and Industrial Engineering
Keywords: Stirling engine
Cogeneration
Ethanol
Issue Date: 31-Dec-2010
Abstract: This study examined the performance of a residential micro–cogeneration system based on a Stirling engine and fuelled by diesel and ethanol. An extensive number of engine tests were conducted to ensure highly accurate and reproducible measurement techniques. Appropriate energy efficiencies were determined by performing an energy balance for each fuel. Particulate emissions were measured with an isokinetic particulate sampler, while a flame ionization detector was used to monitor unburned hydrocarbon emissions. Carbon monoxide, nitric oxide, nitrogen dioxide, carbon dioxide, water, formaldehyde, acetaldehyde and methane emissions were measured using a Fourier transform infrared spectrometer. When powered by ethanol, the system had slightly higher thermal efficiency, slightly lower power efficiency and considerable reductions in emission levels during steady state operation. To further study engine behaviour, parametric studies on primary engine set points, including coolant temperature and exhaust temperature, were also conducted.
URI: http://hdl.handle.net/1807/25573
Appears in Collections:Master
Department of Mechanical & Industrial Engineering - Master theses

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