Composition of Exhaust from a Regenerative Turbine System

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Abstract
Particulate and hydrocarbon content of gases in a regenerative gas turbine was analyzed at several points. Particle samples were measured with a condensation nuclei counter, a light scattering single particle counter and an impactor. Hydrocarbon analyses were made using gas chromatography. The effects of operation with JP-4 and No. 2 fuel oil were noted. It was concluded that a regenerative gas turbine will not add appreciably to the burden of air pollution. In fact, particulate contamination levels in the exhaust less than those in the inlet air indicates that the high rotation rate may result in some air cleaning. Low hyd rocarbon contents in the exhaust gas were ascribed to efficient combustion under the operating conditions used in this work. In general, it was concluded that hydrocarbon levels significantly lower than those seen from gasoline or diesel engines could be expected from a well maintained and operated regenerative gas turbine.

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