Abstract: By using an accumulator which is charged by a generator upon starting up a steam turbo set, the steam turbo set can be started up more quickly. Energy generation plant, which has at least: a steam turbine and a generator, wherein the generator can be driven at least by the steam turbine, and optionally a gas turbine, which also the generator can drive, the generator electricity for electrical and can generate networks, with an electrical storage device, in particular an accumulator, which can optionally be connected to the generator in order to be charged, in particular when the generator is not connected to the electrical network.

Abstract: Power plant system and method of operating the same, the power plant system having a solid oxide fuel cell and a gas turbine, wherein the fuel cell and the gas turbine are set up such that compressed charge air of a compressor of the gas turbine can be provided to the fuel cell and/or an exhaust gas of the fuel cell can be provided to a combustion chamber of the gas turbine, wherein the system is configured such that the solid oxide fuel cell can be operated in a cell mode as well as in an electrolysis mode and wherein the solid oxide fuel cell is set up such that an excess grid energy is used for executing an electrolysis in the electrolysis mode of the fuel cell and thereby to chemically reduce water and/or carbon dioxide into hydrogen and/or syngas.

Abstract: Compressor rotor structure and methodology for harmonizing compressor aerodynamics and rotordynamics are provided. Disclosed embodiments benefit from a compressor design effective for improving rotordynamics (e.g., stiffer rotor structure) without reducing a usable aerodynamics range of the compressor. This design may involve variation of the rotor structure along the rotor axis to locate respective surfaces defined by respective inlets of the one or more impellers at a varying distance relative to the rotor axis based on respective ratios selected for the configuration of the impeller bodies. This arrangement may be effective for improving rotordynamics while satisfactorily meeting the respective varying aerodynamics requirements at the various compression stages by the impeller bodies.

Abstract: A method for provisionally ensuring the functional capability of a housing of a machine in the event of damage to the housing, the housing having a housing upper part and a housing lower part, which are detachably fastened to each other by housing flanges and by threaded bolts that extend through the housing flanges and are secured by nuts, the damage to the housing being at least one crack in one of the housing parts, which extends toward the other housing part. The housing is reinforced by support plates, which are each fastened to the outside of the housing flanges. A housing is reinforced by support plates of this type.

Abstract: A method for repairing a damaged leading or trailing edge region of a metallic turbine blade, which has a suction-side blade wall, a pressure-side blade wall and a leading edge and a trailing edge, includes: removing the damaged leading or trailing edge region, with a cutout being formed; providing a replacement part which can be inserted in form-fitting fashion into the cutout and which restores the intended geometry of the turbine blade; inserting the replacement part in form-fitting fashion into the cutout in a predetermined insertion direction, and cohesively connecting the replacement part to the turbine blade, wherein mechanical connection of the replacement part and turbine blade using separate fastening elements is performed in addition to the cohesive connection.

Abstract: A water delivery system (18) for delivering water for injection into gas turbine engine combustor (4) includes a centrifugal pump (19) and a metering valve (23). The centrifugal pump (19) has an inlet (20) connected to a water source and a discharge (21) connected to a water supply line (22). The metering valve (23) is connected to the water supply line (22) downstream of the discharge (21) of the centrifugal pump (19). The water supply line (22) is connected to an injector nozzle (14) downstream of the metering valve (23). The metering valve (23) is operable to regulate a flow rate of water in the water supply line (22), to thereby meter an amount of water supplied to the injector nozzle (14).

Abstract: An improved ceramic material for heat insulation is achieved by the following selection of specific stabilizers and the adapted proportions: Base of zirconium dioxide (ZrO2) with: 1.0 wt. % to 9.0 wt. % of base stabilizers: yttrium oxide (Y2O3), hafnium oxide (HfO2), wherein at least yttrium oxide (Y2O3) is used, and at least one of the additional stabilizers: erbium oxide (Er2O3) and/or ytterbium oxide (Yb2O3) with a proportion of 0.2 wt. % to 20 wt. %.

Abstract: A method for determining the average distance between a measurement device and a conductor includes determining a profile of a horizontal component using the horizontal position of the device that indicates the orthogonal distance between the device and the longitudinal axis of the conductor parallel to the earth's surface, measured at at least two different horizontal positions, determining a profile of the vertical component, which is associated with the determined profile of the horizontal component, using the horizontal position of the device, wherein the vertical profile is determined by measuring the vertical components associated with the horizontal components, determining the ratio of the profiles as a function using the horizontal position of the device, determining the derivative of the ratio according to the horizontal position, determining the reciprocal of the derivative, and determining the average distance between the devices and the conductor from the reciprocal of the derivative.

Abstract: A method of operating a combustion system (16) for a gas turbine (10), the combustor system (16) comprises a main fuel supply (72, 73), a pilot fuel supply (74), a combustion chamber (38). The method comprises the steps supplying a first fuel flow through the main fuel supply (72) and the pilot fuel supply (74), monitoring a composition of the first fuel, monitoring combustion instability, reducing the first fuel flow through the pilot fuel supply (74) to zero when the first fuel composition has a) a hydrogen content ?5% by volume and/or b) a high-HC content ?5% by volume and the combustion instability <a predetermined value.

Abstract: A sensor control assembly and method providing a secured sensor data and an optimized handling of the sensor including a sensor, a first processing unit adapted to provide a cryptographic checksum of sensor data, a distributed database, a second processing unit adapted to verify the sensor data, and a third processing unit adapted to determine the demand for calibration. A manufacturing device contains at least a part of the sensor control assembly.

Abstract: A method for the non-destructive detecting of ageing symptoms of a component having regularly recurring structures, includes the following steps: a) scanning the component in the region of the recurring structures in a plurality of scanning planes which extend parallel to one another to create at least one scanning image set having a plurality of two-dimensional scanning images, wherein the scanning images show a plurality of inhomogeneities; b) automatically identifying those inhomogeneities that form recurring patterns, and those inhomogeneities that do not follow a recurring pattern, using a suitable algorithm; and c) detecting ageing symptoms exclusively on the basis of those inhomogeneities which are identified in step b) and do not follow a recurring pattern.

Abstract: A dry mate cable connection includes a data cable. The data cable includes a plurality of electrical conductors and at least one electrically insulating outer layer surrounding each data conductor, whereby the data conductors are electrically insulated from one another. The cable includes a termination end. The outer layer of each conductor is physically in contact with an outer layer of an adjacent conductor, except at the termination end. The plurality of electrical conductors at the termination end are physically separated from one another by a single electrically insulating overmoulded cable termination housing. The housing is in contact with at least part of the electrically insulating layers of each of the electrical conductors.

Abstract: An ROV, diver, or stab, wet mateable connector plug front end housing includes a housing front section; a locator mount section; and a seal section axially in series with one another. The housing front section includes a plug coarse alignment feature on an outer surface of the housing front section, adjacent to a front surface of the housing front section and radially outward of a central axis of the housing. There is a circumferential groove on the outer surface of the housing front section, axially displaced from and rearward of the coarse alignment feature, the groove being adapted to receive a latch of a wet-mateable connector receptacle front end housing. The plug coarse alignment feature includes a bullnose feature. A plug fine alignment feature is formed in the outer surface of the housing front section, aligned with and located radially outward of the central axis of the housing.

Abstract: Various embodiments include an electrolysis cell comprising: a cathode space housing a cathode; a first ion exchange membrane including an anion exchanger and adjoining the cathode space; an anode space housing an anode; a second ion exchange membrane including a cation exchanger and adjoining the anode space; and a salt bridge space disposed between the first ion exchange membrane and the second ion exchange membrane. The cathode comprises: a gas diffusion electrode having a porous bound catalyst structure of a particulate catalyst on a support; a coating of a particulate catalyst on the first and/or second ion exchange membrane; and a porous conductive support impregnated with a catalyst.

Abstract: A method for generating a photogrammetric corridor map from a set of input images by recovering a respective pose of each image, wherein a pose includes a position and an orientation information of the underlying camera, including steps of: a) receiving a set of input images, b) defining a working set, c) initializing an image cluster, d) further growing the image cluster: d1) selecting one image from the working set that features overlap with at least one image already in the cluster, e) continuing with step b) if there remain images in the working set; if not, f) generating and providing as output the corridor map using the recovered camera poses.

Abstract: A pressure release device includes a movable pressure release wall that can be moved relative to a pressure release opening. The pressure release wall, by virtue of its position relative to the pressure release opening, controls the passability of the opening. A detent stop is arranged in a path of movement of the pressure release wall.

Abstract: A watercraft includes at least one high-temperature superconducting coil and a cooling system for cooling the high-temperature superconducting coil to a cryogenic operating temperature, wherein the cooling system has a first cryostat tank, which surrounds the high-temperature superconducting coil and is designed to hold a liquid phase of a cryogenic coolant; wherein the watercraft also has a load, which is designed to convert an operating medium in the form of a fuel and/or in the form of a material promoting combustion; wherein at least one first material component of the operating medium is formed by the cryogenic coolant; and wherein the first cryostat tank is designed to hold a major part of the required total amount of the first material component of the operating medium for the operation of the load. A method operates a watercraft of this type.

Abstract: A rotor of a gas turbine having two adjacent rotor discs, on each of which moving blades are fastened, an annular rotor component being arranged between the rotor discs and having at its opposite ends circumferential annular grooves, in each of which a circumferential fastening projection on the respective rotor disc engages. When the rotor is stationary a first outer flank of the first annular groove rests under pressure against a first outer flank of the first fastening projection and there is play between a first inner flank of the first annular groove and a first inner flank of the first fastening projection.

Abstract: A nickel-based alloy, having (in wt. %): carbon(C): 0.09%-0.13%; chromium(Cr): 19.0%-21.5%; cobalt(Co): 18.0%-20.0%; molybdenum(Mo): 0.5%-1.5%; tungsten(W): 2.0%-3.0%; titanium(Ti): 2.0%-3.0%; aluminum(Al): 2.2%-3.0%; boron(B): 0.008%-0.012%; zirconium(Zr): 0.0025%-0.01%; tantalum(Ta): 2.0%-4.0%; niobium(Nb): 1.2%-2.0%; optionally silicon(Si): up to 0.02%; manganese(Mn): up to 0.01%; yttrium(Y): 0.0025%-0.01%; yttrium oxide(Y2O3): 0.75%-1.25%; vanadium(V): up to 0.01%; hafnium(Hf): up to 0.01%, silver(Ag): up to 0.005%; lead(Pb): up to 0.0003%; iron(Fe): up to 0.02%; copper(Cu): up to 0.01%; selenium(Se): up to 0.0003%; oxygen(O): up to 0.015%; phosphorus(P): up to 0.005%; sulfur(S): up to 0.001%; gallium(Ga): up to 0.001%; bismuth(Bi): up to 0.0001%; nitrogen(N): up to 0.008%; magnesium(Mg): up to 0.007%; tellurium(Te): up to 0.00005%; thallium(Tl): up to 0.0005%; calcium(Ca): up to 0.0001%; potassium(K): up to 0.0001%, residual impurities: up to 0.1%.

Abstract: A guide vane in a gas turbine engine includes an inner platform, an outer platform, and an airfoil extending therebetween. Side surfaces of the inner platform and outer platform between an adjacent guide vane define a first seal slot, a second seal slot, and a third seal slot forming a closed loop having three corners. At least one of the corners is rounded. The guide vane includes tubulator ribs and pin fins disposed in an airfoil interior. The pin fins are disposed in a region of the trailing edge. The inner platform defines film cooling holes disposed at an outer surface facing the airfoil. The film cooling holes are arranged in a fan shape. An inner surface of the inner platform and an outer surface of the outer platform include impingement cooling ribs. The inner platform protrudes further towards upstream in a flow direction than the outer platform.