4035results about "Wind motor with parallel air flow" patented technology

The invention relates to the technical field of new energy, in particular to a fan blade composite deicing system and method.The fan blade composite deicing system comprises a sensing layer, a decision-making layer, an execution layer and a feedback layer, and the decision-making layer comprises a graph neural network ice type recognition module, a CFD-icing coupling simulation module, a health management module and an energy consumption scheduling algorithm unit; the execution layer comprises a control unit and an execution unit, the control unit comprises a dynamic partition heating controller and a self-adaptive vibration controller, and the execution unit comprises an electric heating system and a vibration deicing system; compared with the prior art that a single deicing mode is usually adopted, and the adaptability to different ice type physical characteristics is poor, the scheme adopts a differential execution strategy, and partition electric heating control is carried out on different chord length areas of the blade based on the ice type recognition result; and high-frequency piezoelectric standing wave vibration is adopted for glaze ice, low-frequency eccentric wheel vibration is adopted for glaze ice, and the beneficial effects that the deicing efficiency is remarkably improved, invalid energy consumption is reduced, and damage to blades is reduced are achieved.

The present invention comprises an aerodynamic profile body with an outer flow surface for flow by a fluid, wherein the aerodynamic profile body comprises: - an upper cover layer and a lower cover layer, which form at least part of the outer flow surface and are designed to be flexurally elastic in an end section of the aerodynamic profile body, and - an actuator device with at least one actuator provided in an interior of the aerodynamic profile body, which actuator interacts with at least one of the cover layers in the flexurally elastic end section in such a way that the cross section of the aerodynamic profile body in the flexurally elastic end section can be changed by the at least one actuator, characterized in that - the at least one actuator is fastened with a first actuator end to a first fastening point in the interior and with at least a second actuator end to a second fastening point in the interior, - wherein the second attachment point is arranged transversely to the span of the aerodynamic profile body at a distance from the first attachment point and on an inner side of one of the cover layers in the flexurally elastic end section, and - the at least one actuator is designed such that the linear distance between the first attachment point and the second attachment point can be changed in order to change the cross-section of the aerodynamic profile body.

The invention relates to the technical field of wind power generation, and particularly discloses a duct double-turbine supercharged windmill which comprises a duct and a blade type rotating structure arranged in the duct. The duct sequentially comprises a first contraction section, a first straight section, a second contraction section and a second straight section in the air flow direction, and the diameter of the first straight section is larger than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a first-stage turbine and a second-stage turbine, the first-stage turbine and the second-stage turbine are arranged on the rotating shaft, the first-stage turbine and the second-stage turbine are correspondingly arranged on the first straight section and the second straight section respectively, and the rotating shaft is connected with the generator through a transmission structure. Structural improvement is carried out through the blade type rotating structure and the duct, the turbofan located at the front end drives the turbofan located at the rear end to rotate, and therefore the wind energy utilization rate is increased.

The present invention provides a wind-driven direct-driven refrigeration device and a design method for protecting permafrost, which belongs to the field of permafrost engineering technology. The refrigeration device includes a cabinet and a wind turbine unit installed inside the cabinet, a transmission speed-changing mechanism unit and a refrigeration unit. The wind turbine unit is used to convert wind energy into mechanical energy, the transmission speed-changing mechanism unit is used to increase the speed of the wind turbine unit output and the output speed can be adjusted autonomously, the output speed of the transmission speed-changing mechanism unit is limited within a reasonable range, and the refrigeration unit is used to transport cold to the inside of the permafrost foundation to refrigerate the permafrost and protect the permafrost. The wind-driven direct-driven refrigeration device and a design method for protecting permafrost provided by the present invention solve the technical problem of low energy utilization rate of the equipment and methods used for protecting permafrost in the prior art, and have the technical effects of reducing energy loss, high energy utilization rate, high efficiency of the refrigeration system, and good practicality.

The invention relates to the technical field of wind power generation, in particular to a forward and reverse rotation double-rotor multi-blade wind generating set, and aims to overcome the defects of low wind energy utilization rate and unstable power generation reliability caused by inconvenience in angle adjustment of blades in the prior art, the following scheme is provided: the forward and reverse rotation double-rotor multi-blade wind generating set comprises a base; the number of the fixing legs is four, and the four fixing legs are all fixedly installed at the bottom of the base; the turntable is rotatably mounted at the top of the base, a first mounting box is fixedly mounted at the top of the base, and a first stepping motor is fixedly mounted on the inner wall of the first mounting box; and the number of the supporting columns is two, the two supporting columns are both fixedly installed on the top of the rotating disc, first rotating shafts are both rotatably installed on the two supporting columns, and the angle of the blades can be conveniently adjusted, so that the wind energy utilization rate can be further increased, and the power generation reliability can be further improved.

An electronic device for integrated monitoring of a wind turbine is described. This electronic device may selectively electrically couple to a lightning-protection system, which is included within a wind-turbine blade or wing. For example, the electronic device may establish the electrical coupling when the wind-turbine blade is orientated below a horizontal direction (such as an orientation having an angle between 180° and 360°). Then, the electronic device may characterize the wind-turbine blade using time-domain reflectometry. More generally, the electronic device may characterize the wind-turbine blade using a wide variety of measurements, such as: pressure, humidity, acoustic, vibration, etc. Moreover, measurement results may be communication from the electronic device to a remote computer (such as a cloud-based computer system) for analysis. When the analysis identifies potential damage to the wind-turbine blade, the remote computer and / or the electronic device may perform a remedial action, such as recommending enhanced inspection and / or a repair.

The invention discloses a wind power generation device and system, and the device comprises a main bag body which extends in the front-back direction, and the peripheral surface of the main bag body is a rotary surface; the annular wing is arranged on the radial outer side of the main bag body in a sleeving mode, the annular wing and the main bag body are spaced, and an airflow channel is formed between the inner wall of the annular wing and the outer wall of the main bag body; the airflow channel is divided into a plurality of air channels through components, the air channels are arranged in the circumferential direction of the main bag body, and fan blades are arranged in at least part of the air channels. By means of the coaxial layout of the main bag body and the annular wing and the combination of division of an airflow channel by a component, efficient capture and energy conversion of wind energy are achieved. Compared with a traditional floating power generation device, the wind sweeping area of the fan blades can be remarkably reduced under the same power generation power, the economical efficiency of the wind power generation device is improved, and the technical feasibility of stepping towards a higher altitude and a higher wind energy density area is achieved.

An installation method for an offshore wind turbine, comprising: providing a docking device (100), and movably fixing the docking device to a floating foundation (200), the docking device comprising an annular body (10) and a docking cavity penetrating therethrough; connecting a compensation device (300) to a hoisting appliance (400), the hoisting appliance being connected to a hoisted object by means of the compensation device; using the hoisting appliance to hoist a support tower (500), and inserting the support tower into the docking cavity and connecting same to the floating foundation (200); moving the docking device to the end of the support tower away from the floating foundation in the axial direction of the support tower and movably fixing same to the outer wall of the support tower; and using the compensation device to hoist a power generation assembly, the power generation assembly comprising a rotor, a nacelle (700) and a connection tower (800) connected to the nacelle, and inserting the connection tower into the docking cavity and connecting same to the support tower. The method improves the capability of installing offshore wind turbines and reduces installation costs.

The present invention discloses a surge-reducing and low-noise wind turbine blade with adjustable blade angle, which relates to the technical field of wind turbine blades. It comprises a hub body, a connecting shaft is fixedly mounted on the hub body, the interior of the hub body is divided into a power supply chamber, a mounting chamber and a drive chamber, an adjustment component is provided inside the drive chamber, a wind turbine blade is mounted on the adjustment component, a blade tail is fixedly mounted on the tail of the wind turbine blade, the side edge of the wind turbine blade is set as a notch, a linkage component is provided inside the mounting chamber, and a guide component is provided on the linkage component. The invention concentrates the airflow by synchronously rotating the guide vanes with the wind turbine blades. This design can effectively improve the flow characteristics of the airflow on the blade surface, increase lift, and reduce noise. Combining the guide vanes with the blade angle adjustment mechanism enhances its adaptability and effectively improves the use effect of the wind turbine blades.

The present invention provides a wind turbine with an automatic protection function, which relates to the technical field of wind turbines, and comprises a base, a telescopic automatic protection support rod is provided on the base, a vertical generator is installed on the top of the telescopic automatic protection support rod through a horizontal control component, a horizontal axis wind turbine head and a vertical axis wind turbine assembly are installed on the vertical generator, a wind meter is provided on the horizontal axis wind turbine head, and the wind meter is electrically connected to the horizontal axis wind turbine head and the vertical axis wind turbine assembly through a controller. The present invention combines the horizontal wind turbine with the vertical wind turbine, so that the wind turbine can generate electricity normally at low wind speeds, can generate electricity in both directions at medium wind speeds, and can effectively protect the horizontal axis wind turbine head at high wind speeds, thereby increasing the power generation efficiency and the safety and reliability of the wind turbine.

The invention discloses a wind power blade self-cleaning system and a wind generating set, and relates to the technical field of wind power generation. The blade body is provided with dedusting air holes. The pressure surface of the blade body is provided with a concave part and at least one sliding groove; the profiling air bag is attached to the concave part and is provided with at least one fixed connection part and at least one sliding block structure, the fixed connection part is fixedly connected with the pressure surface, and the sliding block structure is in sliding fit with the sliding groove; the gas pumping and discharging device is used for supplying gas to the dust removal air holes, so that dust on the surface of the blade body is blown away through airflow sprayed outwards by the dust removal air holes; and the gas pumping and exhausting device is used for alternately carrying out gas supply and negative pressure pumping on the inner cavity of the profiling air bag, so that the profiling air bag is alternately expanded and contracted, and the sliding block structure is driven to slide along the sliding groove and collide with the two ends of the sliding groove. According to the scheme, the vibration intensity generated in the expansion and contraction process of the profiling air bag can be increased through collision, and sand and dust can be fully separated from the blade body.

Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, to a wind turbine tower, to a rotor blade, to a wind turbine and to a method for producing a wind turbine component. Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, comprising a first wall element with a first inner surface and a first outer surface arranged opposite the latter, a corrugated structural element, wherein the structural element is arranged on the first inner surface or on the first outer surface, wherein the first wall element is connected to the structural element.

The invention provides a double-blade breeze generator which comprises a machine frame, an inner impeller and an outer impeller, the inner impeller and the outer impeller are arranged on the machine frame, and the inner impeller comprises a rotating shaft and a plurality of inner spiral blades arranged on the rotating shaft. The outer impeller comprises two shaft sleeves, a plurality of outer spiral blades connected between the two shaft sleeves and air ducts arranged on the outer diameters of the outer spiral blades, and the inner spiral blades and the outer spiral blades are in positive and negative spiral shapes; the inner impeller and the outer impeller are of a coaxial sleeving structure, namely, a containing cavity is formed in the center of the outer spiral blade, the two ends of a rotating shaft of the inner impeller are inserted into the two shaft sleeves respectively, and the inner spiral blade is located in the containing cavity. The rotating outer diameter of the inner spiral blade is smaller than the rotating inner diameter of the outer spiral blade. According to the double-blade breeze generator of the structure, through interaction of the inner impeller and the outer impeller, the rotating speed of the inner impeller is increased in a geometric level, and therefore the power generation efficiency is greatly improved.

The invention relates to a wind turbine nacelle (2, 40) configured for mounting on a wind turbine tower (3), the nacelle comprising a top cover comprising multiple cover elements (41, 42, 43, 44), of which at least one is a dome cover element (44) comprising a dome-shaped part (45); wherein said nacelle has a second configuration in which said dome-shaped part (45) protrudes upwards and a first configuration in which said dome-shaped part (45) protrudes downwards.

The utility model relates to a small fan applied to an extreme environment, which comprises a passive yawing mechanical structure, the passive yawing mechanical structure comprises a tail vane and a vertical shaft which are fixed on a cabin, the tail vane is fixedly connected to the tail of the cabin and comprises a tail vane rod and a tail vane plate, the tail vane rod is inclined relative to the main axis of a generator, and the tail vane plate is positioned at the tail end of the tail vane rod; the vertical shaft is fixedly mounted on one side of the cabin and is biased relative to the main axis of the generator; and the passive variable-pitch mechanical structure comprises centrifugal flying rods arranged on blade handles of the blades and a synchronous variable-pitch mechanism installed in a closed space formed by the hub, the flow guide cover and the blades, and the synchronous variable-pitch mechanism is arranged to be capable of achieving simultaneous variable pitch on the blades under driving of the centrifugal flying rods. According to the utility model, in an extreme environment, through the adjustment of two sets of passive mechanical structures, the dependence on an electric control system is reduced, and stable and continuous power output can still be realized after the storage battery is fully charged; and the synchronous variable pitch mechanism is accommodated in the closed space, so that the service life and the safety of the equipment are improved.

The invention provides a displacement vortex generator and a position regulation and control method, and belongs to the field of active flow control equipment. The VG comprises a belt, a belt guide rail, a belt bearing, a sliding block, a supporting column, a triangular VG body, a guide rail supporting block, a limiting groove, a body connecting plate and a motor. The belt is arranged on the belt guide rail and is driven by the motor; the sliding block is arranged on the belt, is in an inverted concave shape and is connected with the body connecting plate through the supporting column, and the VG bodies are fixed to the two ends of the body connecting plate. The belt guide rail is arranged on the guide rail supporting block, and the sliding block can penetrate through the limiting groove. The motor is controlled to drive the belt to drive the sliding block and the VG body to move, and accurate adjustment of the position of the vortex generator body is achieved. The position of the vortex generator is automatically adjusted according to changes of the incoming flow wind speed and the attack angle, the optimal pneumatic effect is kept under different working conditions, the pneumatic performance and the power generation efficiency of the wind turbine blade are remarkably improved, and the negative influence of the front edge roughness can be effectively weakened.

The invention relates to the technical field of wind power generation, and discloses an anti-icing and deicing system and method for a wind turbine generator, electronic equipment and a storage medium, the system comprises a heating module which is laid on the surface of a blade and is divided into a plurality of heating subareas, and the heating subareas are used for independent control to provide local heating; the monitoring module is used for detecting and outputting the icing thickness and environmental parameters of the blade; and the control module is in communication connection with the monitoring module and the heating module, and is used for dynamically adjusting the power of the heating subareas based on the icing thickness and the environmental parameters, and realizing anti-icing control through an icing prediction model. Through the partition design of the heating module, the local icing area of the blade can be accurately heated, and energy waste caused by heating of the whole blade is avoided; the icing thickness and environmental parameters are monitored in real time, so that the control module can dynamically adjust the power, anti-icing operation is triggered in advance in combination with the icing prediction model, the heating energy consumption is remarkably reduced, and the problem of high energy consumption of an anti-icing and deicing system in the related technology is solved.

The invention discloses an anti-surge low-noise fan blade capable of adjusting the blade angle, and relates to the technical field of wind turbine blades. Comprising a hub body, a connecting rotating shaft is fixedly mounted on the hub body, the interior of the hub body is divided into a power source cavity, a mounting cavity and a driving cavity, an adjusting assembly is arranged in the driving cavity, wind turbine blades are mounted on the adjusting assembly, and blade empennages are fixedly mounted at the tails of the wind turbine blades; a notch is formed in the side edge of the wind turbine blade, a linkage assembly is arranged in the mounting cavity, and a flow guide assembly is arranged on the linkage assembly. Air flow is concentrated through synchronous rotation of the flow guide blades and the wind turbine blades, the flow characteristic of the air flow on the surfaces of the blades can be effectively improved through the design, lift force is increased, and noise is reduced. And the guide blades are combined with an angle adjusting mechanism of the blades, so that the adaptability is enhanced, and the using effect of the wind turbine blade is effectively improved.

The invention provides a wind turbine generator system and a using method thereof.The wind turbine generator system comprises a telescopic wind turbine blade system and a lifting tower drum system, and the telescopic wind turbine blade system and the lifting tower drum system are dynamically adjusted through a linkage control system; the telescopic wind power blade system comprises a main blade structure and an extension blade part. The liftable tower drum system comprises a tower drum total structure, a lifting mechanism and a control unit; the control unit is electrically connected with the electric driving mechanism and the lifting mechanism; the lifting mechanism is arranged at the bottom of the tower tube total structure and used for driving the inner section of the tower tube total structure to stretch out and draw back along the outer section. Through linkage of the telescopic wind power blade system and the lifting tower drum system, the length of the blade and the height of the tower drum can be dynamically adjusted according to the real-time wind speed. At low wind speed, the wind sweeping area is enlarged, the hub height is increased to capture more wind energy, and at high wind speed, the wind load is reduced, the stress concentration is reduced, and the safety is enhanced.

The present application relates to the field of wind power generation technology, and discloses a ducted double turbocharged windmill, which comprises a duct and a blade type rotating structure arranged in the duct. The duct comprises a first contraction section, a first straight section, a second contraction section and a second straight section in sequence along the wind direction, and the diameter of the first straight section is greater than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a primary turbine and a secondary turbine arranged on the rotating shaft, the primary turbine and the secondary turbine are arranged in the first straight section and the second straight section respectively, and the rotating shaft is connected with a generator through a transmission structure. The present application improves the structure of the blade type rotating structure and the duct, and realizes that the turbine fan at the front end drives the turbine fan at the rear end to rotate, so as to improve the wind energy utilization rate.

The invention discloses a fan blade gas heat deicing system which comprises a heater and an air blower which are installed in a blade, an air inlet of the heater is connected with an air outlet of the air blower, an air outlet of the heater is communicated with an air inlet of an air guide pipe, an air outlet of the air guide pipe points to the blade tip direction, and a hard air pipe is adopted at the front end of the air guide pipe. The rear end of the air guide pipe is provided with a soft air pipe, an air inlet of the hard air pipe is communicated with an air outlet of the heater, an air outlet of the hard air pipe is communicated with an air inlet of the soft air pipe, the soft air pipe is arranged in a blade front edge cavity, a plurality of air guide holes are formed in the position, facing the blade front edge, of the soft air pipe, and when no hot air exists, the air guide holes are communicated with the hard air pipe. And when hot air exists, the flexible air pipe is stretched to be close to the blade tip or the blocked position of the blade tip. The air guide pipe can extend to the blade tip, the deicing effect of the blade tip is enhanced, a new hot air backflow channel can be constructed in the blade blocked by the blade tip, and the air heat deicing effect is achieved.

The invention provides a horizontal-shaft multi-barrel type wind power generation device and a using method thereof.The horizontal-shaft multi-barrel type wind power generation device comprises at least one rotating shaft and a plurality of hollow barrels which are sequentially arranged in the axial direction of the rotating shaft, and a plurality of inclined ventilation holes are formed in the surface of each barrel; positive and negative pressure difference generated by the ventilation holes drives the barrel bodies to rotate around the rotating shaft, the multiple barrel bodies are arranged at intervals to achieve cascade driving of wind energy, the rotating shaft is connected with a power generator, and the power output of the power generator is adjusted through a microprocessor control system. Through the hollow barrels sequentially arranged along the rotating shaft and the vent holes obliquely formed in the barrels, the barrels are driven to rotate through the wind pressure difference, and wind energy is effectively captured. Adjacent barrel bodies are arranged at proper intervals, airflow interference is avoided, and the wind energy conversion efficiency is improved. The rotating shaft is directly connected with the permanent magnet synchronous generator, efficient mechanical energy-to-electric energy conversion is achieved, and the system stability is high.

A full-circumferential wind gathering device comprises a wind gathering structure, a Venturi tube acceleration structure and a wind blocking structure. The air collecting structure comprises a body, a plurality of upper-stage guide vanes and a plurality of lower-stage guide vanes, the upper-stage guide vanes and the lower-stage guide vanes are arranged on the body and arranged in a staggered mode, the lower end of the body is connected with the upper end of the Venturi tube acceleration structure, and the air blocking structure is fixed to the lower end of the Venturi tube acceleration structure. Wind is blown from the direction parallel to the ground, captured by the upper blades and guided into channels between the upper blades on the windward side, after airflow enters the channels, the speed is gradually decreased, airflow kinetic energy is converted into pressure energy, and the pressure energy is gathered and compressed at the arc-shaped concave position of the inner taper pipe to form an inlet high-pressure area. According to the two-stage staggered type inlet guide vane structure and the layout optimization method thereof, two-stage staggered type key improvement is conducted on the inlet guide vane structure, adaptive adjustment is conducted on the overall structure layout of the inlet guide vane structure, all-circumferential incoming flow convergence is achieved, and the wind gathering acceleration effect of the device is improved.

The invention discloses a fan blade detecting and deicing system and method. The fan blade detecting and deicing system comprises a detecting unit, a deicing unit and a control unit. The detection unit comprises an icing detection assembly, an icing thickness detector and a temperature sensor are arranged in the icing detection assembly, the icing thickness detector detects icing thickness data of the blade surface in real time, and the temperature sensor detects temperature data of the fan blade surface in real time; the deicing unit comprises an electric heating film which is at least laid on the front edge of the blade in the length direction of the blade. And the control unit comprehensively analyzes the icing thickness and temperature change condition corresponding to the whole blade according to the icing thickness data and temperature data of the blade surface, and independently triggers and controls the heating state of each blade deicing unit based on the comprehensive analysis result. According to the fan blade detecting and deicing system and method, the precise monitoring function, the intelligent deicing strategy and stable and safe operation are integrated, and the wide application and popularization value is achieved.

The invention discloses a blade system of a wind generating set, and belongs to the field of wind power generation systems. A hydraulic system drives a coaxial gear rigidly connected with the root of a main blade to provide power for a gear pump, hydraulic oil flow and speed are controlled by a hydraulic control element, and the hydraulic oil penetrates through the center of a main shaft through a double-channel rotary joint and reaches a blade motor at the top end of the main blade through an oil way laid on the inner surface of the main blade; and the blade motor drives the secondary blade module to rotate to form closed-loop energy supply. At low wind speed, the secondary blade module and the main blade rotate in the same direction, so that the aerodynamic efficiency is enhanced; at high wind speed, the secondary blade module and the main blade rotate reversely, reverse lift force is generated, and the tip bending moment of the blade is reduced. The core of the invention lies in that pneumatic coupling and hydraulic supply technologies are combined, so that not only is the application range of equipment to wind speed change widened, but also the utilization rate of wind energy is obviously improved. Revolutionary progress is brought to the field of wind power generation, and wide application prospects and market potential are shown.

The utility model discloses a blade for wind power generation, and belongs to the technical field of wind power. The blade comprises a first blade section and a second blade section which are independent of each other, a first section is arranged at the tail end of the first blade section, a second section is arranged at the head end of the second blade section, and the first section and the second section are connected in an assembled mode through a mechanical connecting assembly and an inclined glue joint layer. The mechanical connecting assembly comprises a plurality of single connecting structures which are distributed on the upper side, the lower side and the front edge area of the blade section. An included angle of 30 degrees is formed between the fracture surface and the axis of the blade; the distance between the setting position of the section and the root of the blade is 30-35% of the length of the whole blade; local reinforcing skins are laid on the transition area of the blade root and the easily-damaged area at the position 1 / 3 away from the blade tip. According to the utility model, a mixed connection mode can be adopted, the advantages of the two connection modes can be integrated, and the connection strength is ensured while the weight of the segmented blades is reduced.

By manipulating the fluid flow in the proximity of an object such as a fuselage, a wing, or the hull of ship, the wave drag associated with this object can be substantially reduced. This can be accomplished by locally changing both the fluid flow velocity and the pressure of the fluid flow.

A computing system identifies a geographical region of interest. The computing system generates a background numerical weather prediction using a mesoscale numerical weather prediction model. The computing system identifies information associated with wind farms for inclusion in the geographical region of interest. For each wind farm, the computing system determines a wake effect of neighboring farms to the first wind farm by projecting wind deficits for the neighboring farms to generate a plurality of wake effects for the geographical region. The computing system generates an estimated power output for the wind farms in the geographical region of interest based on the plurality of wake effects.

A passive vehicle drag reduction system including an airflow capture inlet, a flow consolidating conduit, an air driven rotor assembly, and one or more flow exhaust conduits. The airflow capture inlet defines an airflow capture inlet direction. The flow consolidating conduit is close sided. The air driven rotor assembly has a rotor assembly inlet and an air driven rotor. The rotor assembly inlet defines a rotor airflow inlet direction. The air driven rotor has a laterally extending rotation axis transverse to the rotor airflow inlet direction and one or more air redirecting blades defining one or more rotor airflow outlet directions substantially parallel to the rotation axis. Each of the one or more flow exhaust conduits has a redirecting exhaust outlet located laterally of the air driven rotor assembly. The redirecting exhaust outlet defines an exhaust outlet airflow direction that is substantially parallel to the airflow capture inlet direction.

An industrial structure for wind energy harvesting includes an industrial housing requiring venting and a vent outlet, An industrial fan associated with the vent outlet evacuates exhaust, forming an exhaust flow zone opposite the vent outlet. The exhaust flow zone is defined by first and second boundaries extending from the industrial structure on first and second sides of the vent outlet. At least one wind turbine is positioned external to the vent outlet including a turbine blade portion and an electric generator. The at least one wind turbine is positioned with respect to the vent outlet such that during each rotational cycle, the blade portion is partially within the exhaust flow zone and partially outside the exhaust flow zone straddling the first boundary.