16 results about "Tornado" patented technology

The invention relates to the technical field of weather radar monitoring and early warning, and particularly provides a weather radar tornado identification false alarm suppression method, which comprises the steps of acquiring an event to be predicted; substituting the event to be predicted into a pre-constructed tornado prediction model to obtain a tornado prediction result; and selectively executing tornado early warning based on the tornado prediction result. Wherein the step of constructing the tornado prediction model comprises the steps of obtaining a plurality of historical tornado events, and preprocessing the plurality of historical tornado events to obtain a historical tornado event data set; determining and optimizing an influence radius based on the historical tornado event data set to obtain an optimized influence radius; and constructing a tornado prediction model based on the historical tornado event data set and the optimized influence radius. According to the method, secondary judgment on the weather radar tornado recognition result is achieved, the situation of tornado false alarm is relieved, the accuracy of tornado early warning is improved, the trust degree of the public to tornado early warning is improved, and waste of emergency resources is avoided.

Computer-aided procedure that features: Detecting a first drilling platform at a first location by a processor (721) and using a first machine learning model at least partially based on a first data set containing spectral data describing a gas emission from the first location; Detect, by the processor (721), an environmental event within a minimum distance from the drilling platform; Determine, by the processor (721), a probability of damage to the first drilling platform as a result of the environmental event; and Predictions of a suitable location for a second drilling platform at a second site without a drilling platform, at least partially based on a similarity between the terrain of the second site and the terrain of the first site, and a probability of damage resulting from the environmental event at the second site, wherein the environmental event is a fire, landslide, tornado, hurricane, or flood.

The invention discloses a short-term wind power prediction method and system considering regional and meteorological characteristics, and the method comprises the following steps: carrying out the modal decomposition of wind power data and meteorological characteristic data through employing successive variational modal decomposition, and carrying out the optimization of a penalty factor of SVMD through employing a Red-beak-Blue-Tapie optimization algorithm, so as to obtain an optimal power modal component; constructing a long short-term memory prediction model, and constructing an optimized LSTM prediction model by taking the hidden unit number, the maximum training period and the initial learning rate of the prediction model as optimization objects of a tornado optimization algorithm; and inputting the optimal power mode component obtained by decomposition, the meteorological feature data and the regional feature data into the optimized LSTM model for training and prediction to obtain a predicted value of the power mode component, and performing superposition reconstruction to obtain a wind power prediction result. According to the method, the regional and meteorological characteristics are combined with a double-layer parameter optimization strategy, so that the prediction stability and accuracy can be improved.

The invention discloses a storm radar characteristic quantity driven machine learning tornado identification method, and belongs to the field of meteorological disaster weather identification, and the method comprises the following steps: obtaining a storm radar characteristic quantity containing key characteristic information through characteristic extraction and optimization processing based on body sweeping radabundance data; performing feature quantity normalization processing and feature quantity missing value processing on the storm radar feature quantity to obtain an input sequence containing a plurality of elevation angle layer data; and inputting the input sequence into a recognition model fusing Transform and CNN, and outputting a tornado recognition result. According to the method, the technical problems of feature redundancy, insufficient local and global feature fusion, data missing sensitivity and the like in a traditional tornado identification method are effectively solved.

Conventional replacement fastening components only secure the ridge end, so in the event of extremely strong winds such as typhoons or tornadoes, the top end of the replaced roofing material can easily be lifted up by the lever principle. [Solution] The replaceable fastening member of the present invention consists of a replaceable base member and a replaceable head-side upper fixing member. The replaceable base member has the same basic configuration as the fastening member, and the replaceable head-side upper fixing member has a U-shape with a lower insertion part, a vertical upright part, and a head-side upper fixing part. The inner height of the vertical upright part is higher than the outer height of the head-finding contact surface. When installing the replaceable fastening member, after fixing the replaceable base member to the base plate, the replaceable head-side upper fixing member is inserted so that it is positioned on the upper and lower outer sides of the head-finding contact surface of the replaceable base member, and is positioned so that the outer side of the head-finding contact surface of the replaceable base member and the inner side of the vertical upright part of the replaceable head-side upper fixing member come into contact.

A thunderstorm cloud real-time simulation method based on cloud chart comprises the following steps: step S1: obtaining a pixel point ray direction, constructing a large world cloud layer space, and calculating the effective rendering length of the pixel point ray; step S2: based on a two-dimensional cloud chart texture, a three-dimensional noise texture and a position-density function, calculating the bulk density of the volume cloud in the pixel point ray direction to obtain a thunderstorm cloud shape; step S3: constructing a vortex field, calculating the centripetal force received by the cloud body during movement, offsetting the cloud chart sampling UV to realize the movement control of the thunderstorm cloud; and step S4: according to the light position, the light color, the cloud body preset color and the sampling point density, the cloud body color in the pixel point ray direction is obtained by combining the light transmission model; the thunderstorm cloud real-time simulation method based on the cloud chart can quickly and real-timely generate a tornado type thunderstorm cloud in a large world range, and to a certain extent, solves the simulation problem of a complex volume cloud.

The present disclosure pertains to a roof anchoring system designed to enhance the structural resilience of buildings and prevent roof uplift during severe weather conditions such as storms, tornadoes, and hurricanes. The system addresses the need for a cost-effective, easily installable solution that can integrate with existing roof structures or new roof builds, thereby providing greater rigidity, among other benefits. Components include a base affixed to a bearing wall, a vertical reinforcement member extending from the base, radius arms connected to the vertical reinforcement member via angular adjustment members, and radius brackets securing the radius arms to the roof rafters and timber walls / sheeting.

A gasifier with a tornado flame effect comprises an outer shell and a furnace core provided in the outer shell, wherein the furnace core comprises a carbon bridge and a secondary combustion enclosure connected to the carbon bridge. A cavity is formed between the secondary combustion enclosure and the outer shell, and a plurality of vent holes are provided on the carbon bridge. A plurality of air inlet holes are provided on the lower part of the outer shell, a plurality of air outlet holes are obliquely provided in the same direction, and the air inlet holes are communicated with the air outlet holes through the cavity; the plurality of air outlet holes form at least one layer of concentric circular structure along a height direction of the secondary combustion enclosure, and the plurality of air outlet holes are circumferentially evenly distributed on the concentric circular structure. The gasifier has a cylindrical design as a whole, and an inclined air outlet holes 421 are designed at the upper part of the secondary combustion enclosure 42. On the basis of realizing the full combustion of secondary oxygen supply, the swirling flame effect is realized, which is good in appreciation and meets the needs of various scenes.

The application discloses an oil fume extractor, which comprises a smoke collecting hood and a main fan, a main air inlet is formed in the smoke collecting hood, a cyclone device is arranged between the main air inlet and the main fan, the cyclone device comprises a rotating flow collecting part and an outer cover arranged on the outer periphery of the rotating flow collecting part, a longitudinal extension suction jet flow channel is formed in the rotating flow collecting part, the suction jet flow channel is in fluid communication with the main air inlet and the main fan respectively, a cyclone flow channel is formed between the rotating flow collecting part and the outer cover, a nozzle for spraying air flow obliquely downward is arranged at the top of the cyclone flow channel so as to form a cyclone in the cyclone flow channel, and the lower part of the cyclone flow channel is in fluid communication with the suction jet flow channel. Compared with the prior art, the oil fume extractor has the advantages that: an induced rotating flow is formed, in the center of the induced rotating flow, air flow flows upward to form a suction jet flow, the induced rotating flow combines with the suction jet flow to form a "tornado" phenomenon, the oil fume is not easy to diffuse in the cyclone covering area due to the tornado phenomenon, the oil fume is gathered to the center of the air inlet, and the diffusion of the oil fume is slowed down.

The optimized condenser is an indirect evaporative cooling system with a mechanism of placing the water film in the vicinity of the combined air directed on one side of the metal surface of the main cooling elements against the impact of the target air perpendicular to the other side of the surface of the said elements and the optimal direction of the target air flow in a venturi shape. This condenser has a weather diffuser in the upper area of the condenser that has valves that are equipped with A sprinkler nozzle consists of a body whose target air outlet is smaller than the target air intake opening. Inside the condenser, there are three types of cooling elements in the form of air passage profiles, the main elements have a curvature against the target airflow and a vertex behind the stream to avoid tornadoes, which are arranged horizontally and crosswise and on both sides of the wall The condenser, angled cooling elements resemble a staircase, and in the funnel area of the condenser body, there are cubic cooling elements. The cooling fins are also located in the form of floors with a small distance, in which the inlet air of the target is divergent and convergent and the side currents of the main axis are all distributed horizontally and vertically, and when colliding with the curved part of the main profiles that have a water film from the inside, the cooling action is performed.

This invention discloses a tornado-based anti-drone device and method. The anti-drone device includes a control component, a tornado generation component, a sensing component, and an action component. The sensing component is connected to the tornado generation component, and the tornado generation component is connected to the action component. The input terminals of the tornado generation component and the action component are connected to the control component. The sensing component is used to identify the target drone and obtain the distance between the target drone and the anti-drone device. The action component is used to adjust the orientation of the tornado generation component connected to it through roll and pitch movements. The tornado generation component is used to generate a tornado. The control component is used to receive target information sensed by the sensing component and control the action component and the tornado component to operate. This invention generates a tornado to accurately strike the target at close range. The anti-drone device has a simple structure, is easy to handle, and is convenient to operate.

1. Name of the product in this design: Phased Array Weather Radar (X-band Dual Polarization). 2. Purpose of this design: To detect and monitor rapidly changing weather phenomena, capture in real time the three-dimensional structure and evolution of severe convective weather such as hail, tornadoes, and thunderstorms, and provide disaster early warning in meteorological disaster prevention and mitigation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to the field of tornado simulation, and discloses a method for constructing a tornado CFD simulation model, which comprises the following steps of: constructing a tornado numerical wind tunnel model which comprises a plurality of rotational flow fans; setting the type and parameters of a target tornado, and calculating a three-dimensional velocity field of the target tornado by combining Rankine with a vortex model so as to construct a wind field of the target tornado; converting a target tornado wind field into a function which can be identified by CFD software through a field function, and mapping the function into parameters of the numerical wind tunnel model, so that the boundary speed of the rotational flow fan is matched with the calculated three-dimensional speed field; a three-dimensional closed fluid domain is constructed, grid division is carried out on the closed fluid domain, and differential grid configuration is implemented; configuring simulation parameters, and solving to obtain a target tornado three-dimensional velocity field simulation result; the reality sense and the flexibility of wind field simulation are effectively improved, and meanwhile, the simulation precision and the calculation efficiency are considered.

The invention provides a tornado intelligent identification method and system, and the method comprises the steps: carrying out the feature extraction of obtained multi-source meteorological data, obtaining meteorological feature parameters, carrying out the tornado risk identification based on the meteorological feature parameters through employing a grading early warning rule, and generating a tornado identification result. And precise identification and early warning of the tornado are realized.

This invention relates to the field of weather forecasting, specifically to a method and product for identifying tornado risk locations. The method includes the following steps: periodically collecting weather radar detection data, including TVS, mesocyclone, and lowest-level reflectivity factor data; performing the following steps on the data collected in each cycle: classifying TVS, mesocyclone, and strong echo areas as a risk target set; sorting the risk targets within the risk target set in descending order of their weights; and then providing their monitoring images sequentially to forecasters. Compared to existing technologies, this invention improves identification accuracy and enhances the timeliness of early warnings.

ABSTRACT The present disclosure pertains to a roof anchoring system designed to enhance the structural resilience of buildings and prevent roof uplift during severe weather conditions such as storms, tornadoes, and hurricanes. The system addresses the need for a cost-effective, easily installable solution that can integrate with existing roof structures or new roof builds, thereby providing greater rigidity, among other benefits. Components include a base affixed to a bearing wall, a vertical reinforcement member extending from the base, radius arms connected to the vertical reinforcement member via angular adjustment members, and radius brackets securing the radius arms to the roof rafters and timber walls / sheeting.