Abstract: A NOx removal device includes: an ammonia injection part configured to inject ammonia to the flue gas flowing through a duct; a mixer configured to mix the flue gas and ammonia; and a NOx removal catalyst configured to provide a resistance against a flow of a mixture fluid in which the flue gas and the reducing agent are mixed. The ammonia injection part has an ammonia pipe and injecting nozzles provided in the ammonia pipe and configured to inject ammonia into the duct. The distance A from the ammonia injection part to the mixer is 10 times or greater and 30 times or less the outer diameter d of the ammonia pipe. The distance B from the mixer to the NOx removal catalyst is longer than the distance A from the ammonia injection part to the mixer.

Abstract: An easy-to-construct nuclear reactor shielding facility with robust shielding against ionizing radiation is provided. This nuclear reactor shielding facility is a nuclear reactor shielding facility for shielding a nuclear reactor installed on an installation surface by enclosing the nuclear reactor, and includes: a base structure that is disposed around an outer surface of the nuclear reactor except for the installation surface, and encloses an entire surface of the nuclear reactor except for the installation surface; and a shielding structure that is disposed on an entire surface of the base structure and internal of which is filled with water.

Abstract: A blade ring assembly including: a turbine blade ring extending in a circumferential direction about an axis; a component to be cooled, disposed on an inner circumferential side of the turbine blade ring; and an outer circumferential side component disposed on an outer circumferential side of the turbine blade ring. The turbine blade ring has a cooling medium intake port leading from an outer circumferential surface to an inner circumferential surface of the turbine blade ring. The outer circumferential side component includes: a first wall portion which covers at least a portion of the cooling medium intake port from the outer circumferential side of the turbine blade ring; and a second wall portion which extends from an end portion of the first wall portion on the axially downstream thereof toward the outer circumferential side of the turbine blade ring.

Abstract: A shaping method for shaping a stack produced by layering and forming into a flat shape a plurality of sheet-shaped composite materials includes a first shaping step of shaping the stack along a fold line extending along the longitudinal direction of the stack such that a first region and a second region, which are disposed to sandwich the fold line, form a first bending angle, and a second shaping step of shaping along the fold line the stack shaped via the first shaping step such that the first region and the second region form a second bending angle that is smaller than the first bending angle. In the first shaping step and the second shaping step, the stack is shaped in a state wherein the first region is maintained below the softening temperature of the resin material, while the second region is being heated to the softening temperature or higher.

Abstract: An aircraft control system includes a target instruction value calculation unit configured to acquire a target instruction value to set an aircraft in a target state, a reference velocity calculation unit configured to input, to a reference model in which a reference velocity corresponding to a reference value of an aircraft velocity is set uniquely as an output value according to an input value, a value based on the target instruction value as the input value. A relative velocity calculation unit is configured to calculate a relative velocity of the aircraft to a target position. An estimated disturbance quantity calculation unit is configured to calculate an estimated disturbance quantity acting on the aircraft, based on a difference between the relative and reference velocities, and a correction target instruction value calculation unit is configured to correct the target instruction value, based on the estimated disturbance quantity calculated at a previous time.

Abstract: An object is to provide a composite pre-bonding treatment method that stabilizes quality of a bonded part. The present disclosure provides a composite pre-bonding treatment method performed when bonding a composite material to a member. The method includes: (S2) attaching an absorber adapted to absorb a contaminant to a surface of a prepreg laminate that is a precursor of the composite material; (S3) covering the prepreg laminate with a packaging material from above the absorber; (S4) vacuuming the packaging material and heating the prepreg laminate at a temperature lower than a curing temperature of a prepreg; (S5) then removing the packaging material; (S6) peeling off the absorber; (S7) attaching, to a surface of the prepreg laminate with the absorber peeled off, a release member that does not transfer silicone or fluorine to a resin, and then (S9) curing the prepreg laminate to mold the composite material; and (S11) peeling off the release member from the composite material before bonding the member.

Abstract: A crystallinity measurement device includes a Raman spectroscopy unit configured to acquire a Raman spectrum of resin-containing material including crystalline thermoplastic resin; and an analysis unit configured to calculate crystallinity of the crystalline thermoplastic resin based on an intensity of a low-wavenumber spectrum that is a spectrum in a region of less than 600 cm?1, in the Raman spectrum.

Abstract: A monitoring device for a cooling device, the cooling device includes a first refrigerant for removing heat from electronic equipment in a closed space, a second refrigerant that has exchanged heat with the first refrigerant using air outside the refrigerant tank, an acquisition unit that acquires at least one set of a set including a temperature of the second refrigerant flowing into a heat exchanger in the dry cooler and a temperature of the second refrigerant flowing out of the heat exchanger, and a set including a temperature of the air flowing into the heat exchanger and a temperature of the air flowing out of the heat exchanger, and a determination unit that compares an optimal temperature corresponding to an outside temperature and a load of the electronic equipment with each of the temperatures acquired by the acquisition unit to determine whether an abnormality has occurred.

Abstract: This sealing device comprises: a sealing member provided between a rotating part and a stationary part of a rotating machine in a radial direction of the rotating machine; a holding member for supporting the sealing member movably along the radial direction, the holding member being at least partly accommodated in a groove provided in the stationary part so as to extend along a circumferential direction; and a plurality of first biasing members provided at a plurality of different locations, respectively, in the circumferential direction, each first biasing member being accommodated in the holding member and configured to bias the sealing member along a vertical direction with respect to the holding member. The plurality of first biasing members are configured to generate biasing forces, respectively, which are parallel to each other.

Abstract: A seal device, includes: a seal member disposed between a rotating part and a stationary part of a rotating machine in a radial direction of the rotating machine; and a retention member for supporting the seal member movably along the radial direction, the retention member being at least partially accommodated in a groove disposed in the stationary part so as to extend along a circumferential direction. The retention member has: a base portion accommodated in the groove; and a protruding portion protruding radially inward from the base portion. The seal member has a sliding surface which is adjacent to the protruding portion in an axial direction and is slidable on the protruding portion.

Abstract: A method of manufacturing an additively manufactured object includes: checking, for an additively manufactured object including a plurality of internal passages, the presence or absence of a deposit in each inner wall surface of the plurality of internal passages; and selectively removing the deposit from the internal passage in which the deposit has been detected in the checking, among the plurality of internal passages.

Abstract: A fluid machine includes: a shaft portion; a shroud having an inside surface with a diameter decreasing from an upstream side toward a downstream side, a flow path being formed between the shroud and the shaft portion and having a flow path cross-sectional area decreasing toward the downstream side; a propeller rotatably provided about an axis between the shaft portion and the shroud and configured to pump a fluid from the upstream side toward the downstream side; and a motor provided to correspond to the propeller and including a rotor having a ring-like shape fixed to an outer circumference portion of the propeller and accommodated in the shroud and a stator having a ring-like shape surrounding the rotor and fixed in the shroud, in which a plurality of the propellers are provided to be spaced apart in the axis direction, the motors are provided in an identical number to the propellers to correspond to each of the propellers, and of a plurality of motors, the rotor of the motor positioned more on the downstr

Abstract: Provided is an endmill. The maximum spindle speed, per one minute, of a main spindle to which the endmill is attached is Smax. The number of teeth of the endmill is N. The outer shape of the endmill is Da. The natural frequency at which vibrations at the end of the endmill reach a maximum level is ?1. ?1 and/or N are set so that when the diameter-direction infeed amount of the endmill is set to Rd: i) ?1×60/N×6<Smax, if Rd is at least 4% of Da; and ii) ?1×60/N×3<Smax, if Rd is less than 4% of Da.

Abstract: A composite material structure body production method includes a layering step of layering a plurality of fiber sheets to form a layered body having a deforming portion extending in one direction, and a forming step of performing bend-forming along a deforming line contained in the deforming portion and extending in the one direction, thereby causing the deforming portion to deform. The layering step produces the layered body in such a manner that the shape of the deforming portion is a shape wherein: the cross-section shape in the one direction and the cross-section shape in an intersecting direction that intersects with the one direction are bent or curved; and the length in the intersecting direction changes along the one direction.

Abstract: A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion and having a diameter decreasing from an upstream side on one side in the axis direction toward a downstream side on another side in the axis direction, a flow path being formed between the shroud and the shaft portion and having a flow path cross-sectional area decreasing toward the downstream side; a propeller rotatably provided about an axis between the shaft portion and the shroud and configured to pump a fluid from the upstream side toward the downstream side; and a motor provided to correspond to the propeller, the motor including a rotor having a ring-like shape and being fixed to an outer circumference portion of the propeller and accommodated in the shroud and a stator having a ring-like shape surrounding the rotor and being fixed in the shroud, in which the motor is a conical motor in which diameters of the rotor and the stator decrease from the upstream side toward the downstrea

Abstract: A measurement method for a steam valve according to at least one embodiment of the present disclosure, includes: a step of measuring acceleration of a valve stem when a slave valve is opened by driving the valve stem with an actuator from a fully closed state of a master valve and the slave valve; a step of detecting a timing at which the slave valve is fully opened, based on the measured acceleration of the valve stem; and a step of calculating an amount of movement of the valve stem from a reference position to a position where the slave valve is fully opened.

Abstract: A load estimation apparatus includes: an acceleration sensor attached to at least one of a bogie body supporting wheels or a vehicle body attached to the bogie body and configured to measure a first acceleration; and a control unit configured to estimate a load which is applied to the bogie body on the basis of load information which is acquired in advance and in which an acceleration and a load are correlated and the first acceleration.

Abstract: A rotor blade including: a blade body extending in a blade height direction that is a direction perpendicular to an airfoil cross-section; and a platform provided to an end at a hub side, from between a tip side and the hub side which are of the blade height direction. The blade body includes: an anterior edge and a posterior edge; a ventral surface and a dorsal surface linking the anterior edge and the posterior edge together; and a cooling passage extending in the blade height direction between the ventral surface and the dorsal surface. The ventral/dorsal wall thickness ratio at any position between the hub-side position and the middle position in the cooling passage is smaller than the ventral/dorsal wall thickness ratio at any position between the middle position and the tip-side position.

Abstract: An inspection device includes: a light source for outputting pulsed excitation light with a time width of 10 picoseconds to 10 nanoseconds; a nonlinear optical crystal for generating a terahertz wave by optical wavelength conversion of the pulsed excitation light; a polarization part for reflecting at least a part of a reflected wave of the terahertz wave reflected by an inspection target; and a detector for detecting the reflected wave reflected by the polarization part.

Abstract: There are provided a thermal barrier coating material and a thermal barrier coating member that can suppress spalling when used at a high temperature and have a high thermal barrier effect, a method for producing the same, a turbine member coated with a thermal barrier coating, and a gas turbine. The thermal barrier coating member comprises a heat resistant substrate, a bond coat layer formed thereon, and a ceramic layer formed further thereon, wherein the ceramic layer comprises an oxide which consists of an oxide represented by the general formula A2Zr2O7 doped with a predetermined amount of CaO or MgO and has 10 volume % or more of a pyrochlore type crystal structure, where A represents any of La, Nd, Sm, Gd, and Dy.