摘要:
The present disclosure is directed to embodiments of a tower structure (500) with at least partially additively manufactured, stacked tower sections (601). Embodiments of the tower structure have a plurality of stacked tower sections (601), wherein at least one tower section of the plurality of stacked tower sections includes a wall element having one or more printed layers (511), and a base (400) holding thereon the one or more printed layers. The present disclosure also is directed to a method of manufacturing a tower structure using a stacked tower sections and additive manufacturing. Embodiments of the method include forming a base of poured concrete or cast material, printing and depositing one or more printed layers to form a wall element, and stacking the plurality of tower sections to form the tower structure.
摘要:
A system and method are provided for reducing vibrations and loads in one or more rotor blades on a rotor hub of a wind turbine when the rotor hub is in a locked or idling condition. A mass damper is attached at a fixed location on one or more of the rotor blades and is maintained on the rotor blades during the locked or idling condition of the rotor hub. The mass damper includes a movable mass component that is responsive to changes in the vibrations or oscillations induced in the rotor blades during the locked or idling condition of the rotor hub.
摘要:
The present disclosure is directed to embodiments of a tower structure (500) with at least partially additively manufactured, stacked tower sections (601). Embodiments of the tower structure have a plurality of stacked tower sections (601), wherein at least one tower section of the plurality of stacked tower sections includes a wall element having one or more printed layers (511), and a base (400) holding thereon the one or more printed layers. The present disclosure also is directed to a method of manufacturing a tower structure using a stacked tower sections and additive manufacturing. Embodiments of the method include forming a base of poured concrete or cast material, printing and depositing one or more printed layers to form a wall element, and stacking the plurality of tower sections to form the tower structure.
摘要:
A system and method are provided for manufacturing a tower structure. Accordingly, one or more layers of a wall element are deposited with a printhead assembly. At least one recess is defined in the wall element. The recess(es) has a single, circumferential opening positioned along an inner reference curve or an outer reference curve of the wall element. The recess(es) also has a depth which extends in a radial direction and intersects a midline reference curve. A reinforcing element is placed entirely within the recess(es) at the midline reference curve.
摘要:
A method for manufacturing a tower structure, the method including printing and depositing, with at least one variable-width deposition nozzle of a printhead assembly, one or more layers of at least one wall element of the tower structure, the at least one wall element having an outer circumferential surface and an inner circumferential surface. The method also including forming, with the at least one variable-width deposition nozzle, at least one void into the at least one wall element. The method also including placing at least one reinforcement member within the at least one void so as to position the at least one reinforcement member closer to a neutral axis of the at least one wall element than at least one of the outer circumferential surface or the inner circumferential surface.
摘要:
A method of manufacturing a tower structure (12) includes providing an additive printing device (40) having at least one printer head (42) atop a support surface (15). The method also includes positioning a pre-fabricated component (90) adjacent to the support surface (15). The pre-fabricated component (90) is constructed of a composite material (34) reinforced with a plurality of reinforcement members (30). Further, portions of the plurality of reinforcement members (30) protrude from the composite material (34). Moreover, the method includes printing and depositing, via the at least one printer head (42), a cementitious material (36) onto the support surface (15) to build up the tower structure (12) layer by layer around the pre-fabricated component (90). Thus, the portions of the plurality of reinforcement members (30) that protrude from the composite material (34) reinforce the cementitious material (36) around the pre-fabricated component (34).
摘要:
A method for operating a rotary machine is provided. The rotary machine includes a stationary member and a rotatable member wherein the rotatable member is configured to rotate at least partially within the stationary member. The method includes determining an off-normal operating condition of the rotary machine facilitating undesirable contact between the rotatable member and the stationary member, monitoring a parameter associated with the off-normal operating condition, and preventing operation of the rotary machine while the monitored parameter is within a predetermined range.