Abstract: An anti-icing assembly includes a nozzle and a deflector plate. The nozzle includes one or more outlets configured to inject a heated fluid into an airflow along an airflow path upstream of a filter. The deflector plate is disposed upstream of the one or more outlets, wherein the deflector plate extends in a crosswise direction relative to a central axis of the nozzle to an outer edge of the deflector plate. The outer edge is offset in the crosswise direction relative to the one or more outlets, and the deflector plate is configured to spread the airflow upstream of the one or more outlets.

Abstract: An anti-icing assembly includes a nozzle and a deflector plate. The nozzle includes one or more outlets configured to inject a heated fluid into an airflow along an airflow path upstream of a filter. The deflector plate is disposed upstream of the one or more outlets, wherein the deflector plate extends in a crosswise direction relative to a central axis of the nozzle to an outer edge of the deflector plate. The outer edge is offset in the crosswise direction relative to the one or more outlets, and the deflector plate is configured to spread the airflow upstream of the one or more outlets.

Abstract: A flex seal assembly includes a plurality of duct segments configured to be disposed about a joint between a turbine of a turbine system and a diffuser of the turbine system. The plurality of duct segments includes a groove configured to extend circumferentially around the joint. Additionally, the plurality of duct segments includes a first duct segment of the plurality of duct segments and a second duct segment of the plurality of duct segments. The second duct segment includes a drain. Furthermore, the plurality of duct segments include insulation disposed within the groove of the plurality of duct segments.

Abstract: The present application provides an acoustic nozzle for an inlet bleed heat system using a flow of compressor discharge air. The acoustic nozzle may include an outer casing, an acoustic attenuation medium within the outer casing, a number of exit apertures positioned in the outer casing, an air pipe in communication with the outer casing, and a reduced flow area positioned about the outer chamber and the air pipe for the flow of compressor discharge air.

Abstract: A flex seal assembly includes a plurality of duct segments configured to be disposed about a joint between a turbine of a turbine system and a diffuser of the turbine system. The plurality of duct segments includes a groove configured to extend circumferentially around the joint. Additionally, the plurality of duct segments includes a first duct segment of the plurality of duct segments and a second duct segment of the plurality of duct segments. The second duct segment includes a drain. Furthermore, the plurality of duct segments include insulation disposed within the groove of the plurality of duct segments.

Abstract: A catalyst arrangement for use with a selective catalytic reduction system includes a frame and a plurality of catalyst elements coupled to the frame. The plurality of catalyst elements is arranged vertically among a plurality of vertical stations. The plurality of vertical stations is successively defined along a height of the catalyst arrangement. The catalyst elements of at least one of the vertical stations are arranged at a plurality of axial positions with respect to an axial direction of a flow of exhaust gases through the selective catalytic reduction system.

Abstract: A system is provided. The system includes an exhaust aftertreatment system configured to treat emissions from a gas turbine. The exhaust aftertreatment system includes multiple ammonia injection grids arranged in multiple stages. Each ammonia injection grid of the multiple ammonia injection grids is configured to inject ammonia into an exhaust flow from the gas turbine. Each ammonia injection grid of the multiple ammonia injection grids is individually tuned to operate with a specific load condition of the gas turbine.

Abstract: A catalyst arrangement for use with a selective catalytic reduction system includes a frame and a plurality of catalyst elements coupled to the frame. The plurality of catalyst elements is arranged vertically among a plurality of vertical stations. The plurality of vertical stations is successively defined along a height of the catalyst arrangement. The catalyst elements of at least one of the vertical stations are arranged at a plurality of axial positions with respect to an axial direction of a flow of exhaust gases through the selective catalytic reduction system.

Abstract: The present application provides an acoustic nozzle for an inlet bleed heat system using a flow of compressor discharge air. The acoustic nozzle may include an outer casing with an upstream end and a downstream end, an acoustic attenuation medium within the outer casing, a number of exit apertures positioned in the outer casing about the upstream end thereof, an air pipe in communication with the outer casing, and an air chamber positioned within the outer casing about a downstream end thereof and in communication with the air pipe. The air chamber may include a reduced flow area for the flow of compressor discharge air.

Abstract: The present application provides an acoustic nozzle for an inlet bleed heat system using a flow of compressor discharge air. The acoustic nozzle may include an outer casing, an acoustic attenuation medium within the outer casing, a number of exit apertures positioned in the outer casing, an air pipe in communication with the outer casing, and a reduced flow area positioned about the outer chamber and the air pipe for the flow of compressor discharge air.

Abstract: A flow balancing ventilation system includes a ventilation inlet for receiving an airflow, the ventilation inlet having a cavity defined by an outer wall. Also included is a plurality of ventilation ducts each having a first end and a second end, the first end of each of the plurality of ventilation ducts disposed in operable communication with the ventilation inlet for receiving the airflow, the second end of each of the plurality of ventilation ducts disposed at least partially within an enclosure. Further included is at least one vane disposed within the cavity of the ventilation inlet for manipulating the airflow proximate the first end of each of the plurality of ventilation ducts.

Abstract: An air intake hood for channeling an incoming air flow downward in a filter house. The intake hood includes an inlet that is inclined.

Abstract: A filter element includes a first filter portion extending between a first end and an opposing second end. The first filter portion includes a first cross-sectional dimension that is substantially constant along a length of the first filter portion between the first end and the second end. The filter element includes a second filter portion extending between a third end and an opposing fourth end with the third end being located adjacent the second end. The third end has a third end cross-sectional dimension that substantially matches the first cross-sectional dimension. The fourth end has a fourth end cross-sectional dimension that is smaller than the third end cross-sectional dimension.

Abstract: The present application provides an inlet air pulse filtration system. The inlet air pulse filtration system may include an inlet filter house and a number of pulse filters positioned therein. One or more of the pulse filters may include a conical section, a transitional section, and a tapered section.

Abstract: A flow balancing ventilation system includes a ventilation inlet for receiving an airflow, the ventilation inlet having a cavity defined by an outer wall. Also included is a plurality of ventilation ducts each having a first end and a second end, the first end of each of the plurality of ventilation ducts disposed in operable communication with the ventilation inlet for receiving the airflow, the second end of each of the plurality of ventilation ducts disposed at least partially within an enclosure. Further included is at least one vane disposed within the cavity of the ventilation inlet for manipulating the airflow proximate the first end of each of the plurality of ventilation ducts.

Abstract: An axial diffuser for a gas turbine includes diffuser walls that define diffuser channels receiving compressor discharge air. The diffuser walls diverge in a flow direction. A flow control device is disposed in the diffuser channels and includes a plasma controller that serves to ionize airflow in the diffuser channels.

Abstract: A gas turbine system having a plasma actuator flow control arrangement including a compressor section for compressing an airstream, wherein the compressor section includes at least one inlet guide vane for controlling the airstream proximate an inlet portion of the compressor section. Also included is a turbine inlet assembly for ingesting the airstream to be routed to the compressor section. Further included is a plasma actuator disposed within at least one of the inlet portion of the compressor section and the turbine inlet assembly for controllably producing an electric field to manipulate a portion of the airstream.

Abstract: The present application provides an inlet air pulse filtration system. The inlet air pulse filtration system may include an inlet filter house and a number of pulse filters positioned therein. One or more of the pulse filters may include a conical section, a transitional section, and a tapered section.