Abstract: The invention relates to a method for measuring an internal pressure (ICP1, ICP2) of a compartment, in particular a muscle compartment, in which an ultrasonic measuring unit coupled to a pressure measuring device is placed on a tissue under which the compartment to be measured is located and a pressure is increased on the tissue by exerting a force. In order to be able to perform a fast and inexpensive, non-invasive measurement of the pressure within a compartment, in particular a muscle lodge (so-called lodge syndrome), it is proposed that the internal pressure (ICP1, ICP2) is determined from a change ?p in the pressure p acting on the compartment and a change ?E in an extension E(p) of the compartment that occurs during the action of the pressure p.

Abstract: A combustor includes an additively manufactured (AM) combustor body including a one-piece member including: a combustion liner defining a combustion chamber and including cylindrical and tapered transition portions. A resonating tube is part of the AM combustor body and is configured to dampen acoustic pressure oscillations of combustion gases in the combustor. The AM combustor body includes a plurality of parallel, sintered metal layers. The resonating tube includes a body defining a resonating chamber and a resonating tube neck having a first end in fluid communication with the resonating chamber. A second end of the resonating tube is in fluid communication with an annulus or the combustion chamber.

Abstract: A combustor includes an additively manufactured (AM) combustor body including a one-piece member including: a combustion liner defining a combustion chamber and including cylindrical and tapered transition portions. A resonating tube is part of the AM combustor body and is configured to dampen acoustic pressure oscillations of combustion gases in the combustor. The AM combustor body includes a plurality of parallel, sintered metal layers. The resonating tube includes a body defining a resonating chamber and a resonating tube neck having a first end in fluid communication with the resonating chamber. A second end of the resonating tube is in fluid communication with an annulus or the combustion chamber.

Abstract: A combustor for a gas turbine (GT) system includes a combustor body including a non-additively manufactured (non-AM) part having corrosion at a first level and a replacement additively manufactured (AM) part coupled to the non-AM part. The replacement AM part has corrosion at a second level less than the first level. The replacement AM part includes at least an aft section of a tapered transition portion and an aft frame of the combustor body, and a plurality of shared parallel, sintered metal layers extending into the aft section of the tapered transition portion and the aft frame. The replacement AM part may also include a receiving element in a forwardmost end thereof configured to receive a rearwardmost remaining end of the non-AM part. The replacement AM part may also optionally include an AFS injector mount and part of a cylindrical portion of a combustion liner.

Abstract: A combustor for a gas turbine system includes an additively manufactured (AM) combustor body including a one-piece member. The member includes a combustion liner including a cylindrical portion and a tapered transition portion, and at least one axial fuel stage (AFS) injector directed into the combustion liner. The member also includes an aft frame at an aft end of the tapered transition portion, the aft frame including a first cooling passage therein with an inlet and an outlet with the inlet in fluid communication with an air coolant source. A flow sleeve is spaced from an exterior surface of the tapered transition portion and defines a second, annular cooling passage therebetween. The second cooling passage extends from the outlet of the first cooling passage to an air inlet of AFS injector(s). The AM combustor body includes a plurality of parallel, sintered metal layers.

Abstract: A combustor for a gas turbine system includes an additively manufactured (AM) combustor body including a one-piece member. The member includes a combustion liner including a cylindrical portion and a tapered transition portion at an aft end of the cylindrical portion; and at least one axial fuel stage (AFS) injector directed into the combustion liner. The member may also include at least one flow sleeve surrounding at least part of the combustion liner; and an aft frame at the aft end of the transition portion. The AM combustor body includes a plurality of parallel, sintered metal layers. A method of manufacturing such a combustor body is also provided.

Abstract: A combustor for a gas turbine system includes a combustor body, a head end fuel nozzle assembly, and an axial fuel stage (AFS) injector. An air flow passage defined at least partially by the combustor body is configured to deliver a first portion of an air supply to the head end fuel nozzle assembly, and the AFS injector is configured to receive a second portion of the air supply. A valve is operatively positioned between the air supply and the AFS injector. With the AFS injector on (i.e., fueled), the valve is open, and a third, additional portion of the air supply flows to the AFS injector. With the AFS injector off (i.e., unfueled), the valve is closed to block the third portion flowing to the AFS injector and to deliver it to the head end fuel nozzle assembly, which reduces the firing temperature for highly reactive fuels.

Abstract: An exemplary apparatus for uniquely identifying individual dies across die stacks includes a die stack and a plurality of signals arranged across the die stack. The plurality of signals are manipulated to form a unique identifier for each die included in the die stack. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A method for controlling power in 3D stacked die can include configuring a first die of a set of 3D stacked die to receive power from a power source, wherein the first die includes one or more field effect transistors configured to control the power. The method can also include configuring one or more power domains included in a second die of the set of 3D stacked die to receive the power that is controlled by the one or more field effect transistors included in the first die. Various other methods and systems are also disclosed.

Abstract: The present disclosure relates to systems and methods for tracking content across multiple content outlets. Content items, characterized by first metadata, and content slots, characterized by second metadata, can be received. Third metadata for digital content slots can be generated. Fourth metadata can be received. A recommended content item package can be provided based on a comparison between a combination of the first metadata, the second metadata, and the third metadata and the fourth metadata. The recommended content item package can include a content file and a metadata file. A performance and a measurement of the recommended content item package can be determined by executing the metadata file to track the content file across one or more of the content slots and the potential digital content slots. The performance and the measurement can be provided.

Abstract: Disclosed is a welding system configured to perform additive manufacturing using a controlled short circuit welding process to apply a plurality of droplets of a wire to create a multilayer part comprised of the droplets. Operational parameters of the additive manufacturing system are dynamically adjusted based on data representing a temperature value and/or a geometric characteristic of the part. Based on the data, the controller can adjust one or more operational parameters to control application of droplets to build up the part.

Abstract: An infrared heater comprising an infrared emission surface, a rear surface and a plurality of independent heating elements arranged between the heating surface and rear surface, wherein the plurality of independent heating elements operate on independent circuitry such that each heating element can be independently controlled, and wherein the independent heating elements are configured such that the infrared emission surface has an operating temperature of 85° C. to 110° C.

Abstract: A combustor for a gas turbine system includes a combustion liner including a primary combustion zone and a secondary combustion zone. The combustor body is additively manufactured and made of a first material. The combustor also includes axial fuel stage (AFS) immersed injectors extending radially into the combustion liner in the secondary combustion zone. Each AFS immersed injector extends through an opening in the combustion liner and is additively manufactured with a second material different than the first material. A coupler fixes each AFS immersed injector in a respective opening in the combustion liner. The additive manufacturing results in as much as a 70% reduction in parts within a given combustor and allows use of high temperature and high oxidation tolerant, hot gas path (HGP) materials for the AFS immersed injectors.

Abstract: A log splitter includes a chassis having a support table configured to support a log to be split, a splitter screw having a generally conical shape and mounted to a rotatable screw shaft that is supported by the chassis, and a drive assembly configured to rotate the shaft to impart rotational movement to the splitter screw about a screw axis. The drive assembly includes a motor coupled to the screw shaft via a constant velocity transmission (CVT) (also known as continuously variable transmission). The CVT can provide both high speed and high torque during the splitting process as required to split the log. A fall restriction bar helps restrict a person from accidentally falling onto the splitter screw. An engine-kill bar is pivotally mounted to the chassis. A log-rotation stop mechanism is configured to restrict rotation of a log that gets stuck on the splitter screw.

Abstract: A delivery system includes an insertion device and an implant. The insertion device includes a body comprising a push button, a pusher wire, a backbone and a pushing mechanism. The pusher wire comprises a first end and a second end. The second end of the pusher wire is coupled to the pushing mechanism. The insertion device further includes an inserter tip comprising a needle. The inserter tip is configured to affix to the body. The implant is configured to be loaded into the insertion device. Upon depression of the push button, the pushing mechanism is activated and the pushing mechanism pushes the pusher wire into the implant and through the needle at a constant velocity and a predefined distance.

Abstract: An evaluation computing system may implement techniques to validate a vehicle controller, such as based on an update thereto. The evaluation computing system may access data associated with an operation of the vehicle in an environment as controlled by the controller. The evaluation computing system may modify a portion of the data representative of a fault associated with the controller. The evaluation computing system may run a simulation utilizing modified log data to determine whether the controller detects and/or mitigates the fault within a threshold time. Based on a determination that the controller does not detect and/or mitigate the fault within the threshold time, the evaluation computing system may determine an error associated with the controller. Based on a determination that the controller detects and/or mitigates the fault within the threshold time, the evaluation computing system may validate the controller.

Abstract: A travel speed sensing system includes an optical sensor configured to be coupled to a welding torch. The optical sensor is configured to sense light incident on the optical sensor, and the travel speed sensing system is configured to determine a travel speed of the welding torch, a direction of the welding torch, or both, based on the sensed light.

Abstract: A combustor for a gas turbine system includes an additively manufactured (AM) combustor body including a one-piece member that defines a combustion liner and a transition piece at an aft end of the combustion liner. A thermal barrier coating (TBC) is disposed over an inner surface of the combustor body. Adaptive cooling passage(s) are defined in the combustion liner and/or transition piece. Each adaptive cooling passage includes an open end in fluid communication with a coolant air source and a terminating end in the body spaced from the inner surface by a distance. When a spall in the TBC occurs at a location adjacent the terminating end and the high temperature of the body reaches or exceeds a predetermined temperature, the terminating end opens at the location through the distance to allow a flow of the coolant air through to an inside of the AM combustor body.

Abstract: Methods and apparatus to provide a consistent electrode state for welding, an example welding-type system includes: a first wire drive to feed an electrode wire through a welding torch; a bidirectional assisting wire drive to advance the electrode wire from a wire supply to the first wire drive; a tension-compression detector to detect a first tension-compression state of the electrode wire; and one or more motor controllers to control the first wire drive and the assisting wire drive to put the electrode wire in a predetermined position relative to the welding torch by: controlling the first wire drive to hold the electrode wire; and controlling the assisting wire drive to advance or retract the electrode wire based on the first tension-compression state to put the electrode wire in a second tension-compression state.

Abstract: A platform for a stator vane assembly includes a main body that extends between a forward end and an aft end. The platform further includes an opening that is defined within the main body. The opening is configured to receive an airfoil segment of the stator vane assembly. A forward portion of the main body extends between the forward end and the opening. An aft portion of the main body extends between the opening and the aft end. A cooling circuit is defined within the platform. The cooling circuit includes a first plenum defined in the forward portion, and at least one re-use plenum defined in the aft portion and separated from the first plenum. The cooling circuit further includes a connecting channel that fluidly couples the first plenum and the at least one re-use plenum.