An investigation into the soot production processes in a gas turbine engine.
Lohman, Alan L.
Netzer, David W.
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This thesis details an investigation into the nature of soot production in a gas turbine combustor. The goal was to obtain axial temperature profiles an! soot size distributions inside an Allison T63-A-5A combustor. The present temperature probe and gas sampling apparatus were able to acquire data. Results from these initial tests suggested some preliminary conclusions. First of all, flatter temperature profiles were possibly indicative of fuels with lower aromatic content. Also, soot size along the centerline of the combustor did net appear to change appreciably. Soot itself seemed to be composed of 0. 1 micron spherical particles prone to agglomeration. Relatively large, puff-like structures observed on sample collection filters were apparently artifacts of the sampling technique. Several methods of improving the apparatus were suggested.
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