Abstract: A fuel injector system that reduces and/or eliminates combustion instability. The fuel injector system includes a pilot fuel injector, a pilot swirler that swirls air past the pilot fuel injector, a main airblast fuel injector having an aft end, inner and outer main swirlers that swirl air past the main airblast fuel injector, and an air splitter located between the pilot swirler and the inner main swirler. The air splitter includes at least one aft end cone angled radially outboard and axially positioned downstream of the main airblast fuel injector aft end. The air splitter divides a pilot air stream exiting the pilot swirler from an inner main air stream exiting the inner main swirler to create a bifurcated recirculation zone.

Abstract: A fuel injector system that reduces and/or eliminates combustion instability. The fuel injector system includes a pilot fuel injector, a pilot swirler that swirls air past the pilot fuel injector, a main airblast fuel injector having an aft end, inner and outer main swirlers that swirl air past the main airblast fuel injector, and an air splitter located between the pilot swirler and the inner main swirler. The air splitter includes at least one aft end cone angled radially outboard and axially positioned downstream of the main airblast fuel injector aft end. The air splitter divides a pilot air stream exiting the pilot swirler from an inner main air stream exiting the inner main swirler to create a bifurcated recirculation zone.

Abstract: A gas turbine fuel injection system of the lean direct injector type designed to reduce nitrous oxide (NOx) emissions is provided. The configuration includes a pilot fuel injector for injecting a pilot fuel stream, and a pilot swirler for providing a swirling pilot air stream to atomize and entrain the pilot fuel stream. A main airblast fuel injector is located concentrically about the pilot fuel injector, for injecting a main fuel stream concentrically about the pilot fuel stream. Inner and outer main swirlers provide a swirling main air stream to atomize and entrain the main fuel stream. An air splitter is located between the pilot swirler and the main swirler. The air splitter is so arranged and constructed as to divide the pilot air stream exiting the pilot swirler and the air splitter, from the main air stream exiting the inner main swirler, whereby a bifurcated recirculation zone is created.

Abstract: A gas turbine fuel injection system of the lean direct injector type designed to reduce nitrous oxide (NOx) emissions is provided. The configuration includes a pilot fuel injector for injecting a pilot fuel stream, and a pilot swirler for providing a swirling pilot air stream to atomize and entrain the pilot fuel stream. A main airblast fuel injector is located concentrically about the pilot fuel injector, for injecting a main fuel stream concentrically about the pilot fuel stream. Inner and outer main swirlers provide a swirling main air stream to atomize and entrain the main fuel stream. An air splitter is located between the pilot swirler and the main swirler. The air splitter is so arranged and constructed as to divide the pilot air stream exiting the pilot swirler and the air splitter, from the main air stream exiting the inner main swirler, whereby a bifurcated recirculation zone is created.

Abstract: The fuel nozzle is configured with a fuel injector with a pair of coaxially mounted air swirlers utilized in an annular combustor of a gas turbine engine that is dimensioned to provide 70-90 percent of the mass airflow in the inner passage and the swirl angle of the inner swirler is 45.degree.-55.degree. and the outer swirler is 70.degree. and the L/D of the combustion hole location relative to the fuel injector is 0.6-0.7 which serve to produce an outer shear layer flame for improved lean blowout characteristics.

Abstract: A process for extracting metals from aqueous solutions containing such metals comprising contacting such an aqueous solution with an asphaltene to extract at least one metal from the aqueous solution to the asphaltene, and recovering the thus extracted at least one metal from the asphaltene. Also disclosed is a process for sulfonating a petroleum fraction containing asphaltenes, the thus sulfonated asphaltenes being advantageously employable in the process for extracting at least one metal from an aqueous solution containing such metal.

Abstract: An improvement in the cetane number of diesel fuels is achieved through the addition of a small, but effective, amount of a dithiocarbamate or a sulfonamide.

Abstract: A container for transported goods can be carried by a road transport vehicle arranged longitudinally or transversely, its length being approximately equal to its width. Supports fixed under the container define passages to receive, from either end and either side, the arms of a fork-lift vehicle, and further are made for inter-engagement with locating members on the container top so two superimposed similar containers are held in alignment. One end of the container, with a doorway and closure, also has means for releasably locking the container end to end with the corresponding end of another similar container.

Abstract: A catalytically active composition is provided that is an intercalate of graphite, aluminum halide, and a Group VA metal halide. A process for preparing an intercalate of graphite, aluminum halide, and a Group VA metal halide is also provided.

Abstract: A catalytically active composition is provided that is an intercalate of graphite, aluminum halide, and a Group VA metal halide. A process for preparing an intercalate of graphite, aluminum halide, and a Group VA metal halide is also provided.

Abstract: Ethylene and/or propylene is dimerized by contacting the monoolefin with a catalyst formed by depositing a nickel complex such as bis(3-picoline)dichloronickel or bis(tributylphosphine)dichloronickel on a solid support such as silica-alumina. Preferably, an aluminum compound such as diethylaluminum chloride is also used in preparing the catalyst.