Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor, an inlet filter house positioned upstream of the compressor, and one or more inlet water separator pads positioned within the inlet filter house. The one or more inlet water separator pads may include a synthetic liquid-gas separator media.

Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor, a turbine, one or more hot gas path components positioned downstream of the turbine, an extraction from the compressor to the one or more hot gas path components, and an extraction cooling system in communication with the extraction. The extraction cooling system may include an evaporative cooling media.

Abstract: The present disclosure is direct to a system for regulating a velocity of gases in a turbomachine. The system includes an exhaust section of the turbomachine. The system also includes a damper having an actuator and a restriction. The damper is positioned within the exhaust section and is operable to adjust the velocity of the gases based on a position of the restriction. The system further includes a controller communicatively coupled to the damper. The controller is configured to control the position of the restriction to regulate the velocity of the gases relative to a predetermined velocity range.

Abstract: A pulse jet cleaning system is disclosed having at least one diverter device and having at least one control valve configured for receiving pulse air from a pulse air manifold and controllably passing a pulse of pulse air downstream to clean the filter assemblies. The at least one diverter is configured for receiving the pulse from the control valve and diverting the pulse into a plurality of outlet ports for providing pulse air to at least two blowpipes for cleaning a filter assembly.

Abstract: A system includes a silencer baffle which mounts in a fluid conduit along a fluid flow path, where the silencer baffle includes a plurality of baffle sections. At least two baffle sections of the plurality of baffle sections couple together via mating interlock structures, and at least one baffle section of the plurality of baffle sections has first and second baffle portions which couple together via mating joints.

Abstract: A system includes a silencer baffle which mounts in a fluid conduit along a fluid flow path. The silencer baffle includes a first baffle section having first and second baffle portions which couple together laterally about a support structure extending between opposite sides of the fluid conduit.

Abstract: A gas turbine system may include an exhaust gas processing system configured to process exhaust gas received from a gas turbine engine of the system. An exhaust path of the exhaust processing system is configured to flow the exhaust gas through the exhaust processing system. A tempering air system of the exhaust processing system is configured to introduce tempering air into the exhaust path to cool the exhaust gas. The tempering air system includes a tempering air pathway extending from an air inlet of the tempering air system to a tempering air outlet where tempering air is introduced from the tempering air system and into the exhaust path. A filter system of the tempering air system has a hydrophobic filter positioned along the tempering air pathway, the hydrophobic filter being configured to remove hygroscopic and deliquescent materials from the air flowing through the tempering air pathway.

Abstract: A method includes assembling a silencer baffle configured to mount in a fluid conduit along a fluid flow path, where assembling the silencer baffle includes coupling together a plurality of baffle sections via mating interlock structures.

Abstract: A system includes a conduit having a fluid flow path and a silencer baffle disposed in a fluid conduit along the fluid flow path, where the silencer baffle has at least two of the plurality of baffle sections are coupled together via mating interlock structures.

Abstract: Aspects of the disclosure include methods and systems for the de-icing of pulse filters, such as those used in turbomachinery. A method according to the present disclosure can include: coupling a filter bag to the pulse filter such that the filter bag is in a contracted position, the filter bag having a complementary geometry relative to the pulse filter, such that the filter bag occupies an airflow cross-section of the pulse filter, and wherein the filter bag is composed of one of a hydrophilic material, a hydrophobic material, or an oleophobic material; and pulsing a compressed air through the pulse filter and the filter bag during operation of the gas turbine, such that the filter bag expands to dislodge ice from an outer surface of the filter bag.

Abstract: A gas turbine system includes a gas turbine engine configured to combust a fuel and produce an exhaust gas. An exhaust duct assembly is coupled to the gas turbine engine and is configured to receive the exhaust gas. An absorption chiller is fluidly coupled to the exhaust duct assembly and is configured to receive a take-off stream of the exhaust gas. The absorption chiller is configured to use the take-off stream to drive at least a portion of an absorption cooling process to generate a cooled take-off stream of exhaust gas. The exhaust duct assembly is configured to receive the cooled take-off stream of exhaust gas from the absorption chiller and to mix the cooled take-off stream with exhaust gas present within the exhaust duct assembly to cool the exhaust gas.

Abstract: The present application describes a gas turbine inlet air system for providing a flow of air to a compressor. The gas turbine inlet air system may include an inlet air water cooling system positioned upstream of the compressor for cooling the flow of air with a flow of water and a moisture detection system positioned downstream of the inlet air water cooling system to detect if droplets of the flow of water pass beyond the inlet air water cooling system in the flow of air towards the compressor.

Abstract: A system includes a gas turbine engine that may combust a fuel to generate power and an exhaust gas, an exhaust gas path in fluid communication with the gas turbine engine and that may receive the exhaust gas from the gas turbine engine, and a reductant skid fluidly coupled to the exhaust gas path. The reductant skid includes an injection system that may supply a reductant to the exhaust gas path. The system also includes a flow path separate from the exhaust gas path and fluidly coupling the gas turbine engine and the reductant skid. The first flow path may supply a first heated fluid to the reductant skid to aid in vaporization of the reductant.

Abstract: A simple-cycle gas turbine system includes an injection system including a plurality of injection tubes that may inject a fluid into a duct of an exhaust processing system that may process exhaust gas generated by a gas turbine engine. The exhaust processing system includes a selective catalytic reduction (SCR) system that may reduce a level of nitrogen oxides (NOx) within the exhaust gas; and a mixing system positioned adjacent to the plurality of injection tubes and within the exhaust processing system. The mixing system includes a mixing module having a plurality of turbulators that may swirl the fluid, or the exhaust gas, or both, in a first swirl direction to encourage turbulent flow along an axis of the exhaust processing system and thereby facilitate mixing between the fluid and the exhaust gas.

Abstract: A gas turbine system includes an exhaust processing system that may process exhaust gas generated by a gas turbine engine, the exhaust processing system includes an exhaust diffuser that may receive the exhaust gas from a turbine of the gas turbine engine and having an annular passage disposed between an inner annular wall and an outer annular wall, and an air injection assembly disposed within the exhaust diffuser. The air injection assembly includes one or more air injection conduits disposed within the annular passage of the exhaust diffuser and including fluid injection holes that may direct a cooling fluid into a first mixing region of the exhaust diffuser.

Abstract: A pulse jet cleaning system is disclosed having at least one diverter device and having at least one control valve configured for receiving pulse air from a pulse air manifold and controllably passing a pulse of pulse air downstream to clean the filter assemblies. The at least one diverter is configured for receiving the pulse from the control valve and diverting the pulse into a plurality of outlet ports for providing pulse air to at least two blowpipes for cleaning a filter assembly.

Abstract: A baffle for an air intake section of a rotary machine includes a pair of oppositely disposed perforated walls that at least partially define an exterior of the baffle and an interior cavity of the baffle. The baffle also includes a pair of panels disposed within the interior cavity. Each of the panels is coupled proximate a respective one of the perforated walls, such that a chamber is defined between the panels. Each of the panels includes a first sound absorbing material that is substantially completely vaporizable at an operating temperature of the rotary machine.

Abstract: A gas turbine system includes a gas turbine engine, an exhaust processing system disposed downstream of and fluidly coupled to the gas turbine engine, and an air delivery system that may supply treated air to the gas turbine engine and the exhaust processing system. The air delivery system includes a main air duct fluidly coupled to the gas turbine engine and that may supply a first portion of the treated air to the gas turbine engine, an auxiliary air duct fluidly coupled to the main air duct and the exhaust processing system and that may supply a second portion of the treated air to the exhaust processing system, and an air treatment unit fluidly coupled to the main air duct and that may generate the treated air.

Abstract: A system includes a system includes an exhaust section which receives an exhaust flow of a gas turbine, where the exhaust section includes a catalyst assembly. The system includes an exhaust duct coupled to the diffuser section upstream of the catalyst assembly, where the exhaust duct extracts a return portion of the exhaust flow. The system includes a filter house coupled to the exhaust duct, where the filter house is receives a combined flow of an ambient air flow and the return portion. The system includes a return conduit coupled to the filter house and the exhaust section, where the return conduit is coupled to the exhaust section upstream of the exhaust duct. The return conduit directs the combined flow to the exhaust section, and the catalyst assembly receives a mixed flow including the exhaust flow and the combined flow.

Abstract: A gas turbine system may include an exhaust gas processing system configured to process exhaust gas received from a gas turbine engine of the system. An exhaust path of the exhaust processing system is configured to flow the exhaust gas through the exhaust processing system. A tempering air system of the exhaust processing system is configured to introduce tempering air into the exhaust path to cool the exhaust gas. The tempering air system includes a tempering air pathway extending from an air inlet of the tempering air system to a tempering air outlet where tempering air is introduced from the tempering air system and into the exhaust path. A filter system of the tempering air system has a hydrophobic filter positioned along the tempering air pathway, the hydrophobic filter being configured to remove hygroscopic and deliquescent materials from the air flowing through the tempering air pathway.