Abstract: A method of reducing noise from a combustor of a gas turbine engine includes the steps of establishing a maximum noise limit that may be for a particular frequency range. A primary fuel flow percentage, which may be emitted from a fuel nozzle arrangement having various groupings of simplex and duplex nozzles, is then established. An immersion depth measured between an aft rim of a swirler and a distal tip of the fuel nozzles may then be reduced thereby reducing the noise amplitude.

Abstract: A livestock positioning apparatus for data collection and subsequent sorting is provided including a singulating transport, a livestock data collection station, and a sorting transport. The singulating transport singulates livestock from a collection thereof and feeds them into the data collection station. The data collection station positions the livestock through a pair of body conveyors and accumulates specific measurements thereof. The sorting transport then moves the livestock along the path determined by the collected data as compared to any predetermined parameters.

Abstract: A livestock tracking system includes the collection of animal data upon loading of the livestock for transport and the collection of similar data upon unloading, thereby monitoring and tracking same. Livestock is transported from a grouped plurality to individual animals capable of being weighed and then put into transport containers. Each transport container is readily identifiable throughout the process such that upon the unloading of the livestock the information pertaining to the livestock within each container can be compared to data collected upon loading and therefore traced. While the most important data is weight, other measurements may be utilized. A method incorporating this system is also disclosed.