7 results about "Sea breeze" patented technology

This invention relates to the field of testing equipment technology, specifically to a stainless steel corrosion performance testing equipment for a full-zone simulated seawater environment. The equipment includes: a test chamber, which is vertically arranged along the interior of the chamber via multiple partitions, sequentially from top to bottom, comprising an atmospheric test zone, a splash test zone, a tidal range test zone, a full immersion test zone, and a sea mud test zone; and a simulation unit, including a sea breeze simulation component and a wave simulation component respectively connected and installed on the side wall of the test chamber, for providing a simulated seawater environment. By separately setting the atmospheric test zone, splash test zone, tidal range test zone, full immersion test zone, and sea mud test zone inside the test chamber, the equipment can work with the sea breeze simulation component and the wave simulation component to simulate a full-zone seawater environment. This allows for convenient testing of the corrosion resistance of stainless steel pipes in different zones of a simulated real marine environment, improving the accuracy of the test, reducing the manpower and material resources consumed in the test, and reducing the workload of the personnel involved in the test.

The application relates to the field of wind field prediction, and discloses a low-altitude wind field prediction system and method based on a sea-land wind model, which comprises the following steps: obtaining wind field records along a coastal observation belt and taking the fine time dislocation formed between different devices as a synchronous reference; layer by layer, energy distribution in the wind field records which changes with height, temperature difference and humidity is split; the change clues of wind field element groups reflecting fluctuation, deflection and weak rotation trend are limitedly coded, the mutual pulling degree of disturbance in each period, the energy transfer direction and the mutation sensitivity are remolded into structured data segments; unstable interaction in local areas in the wind speed, wind direction and vertical temperature difference relationship is found by using a wind field expression body, and the disturbance transmission relationship between nodes in these areas is extracted; and micro-disturbance events are compared with the long-term deviation distribution of the overall observation records. The application has the advantages of improving the capturing and expression ability of micro-scale wind field disturbance.

This invention provides a full-physics field simulation test device and method for shipborne aircraft fuel fires based on wind-wave coupling effects, relating to fire safety. The device includes: a shipborne aircraft simulation component comprising an aircraft support, fuel tank, attitude adjustment mechanism, and at least one ammunition simulator; a ship simulation component comprising a fuel pan and a swing mechanism connected to the fuel pan; a sea breeze environment simulation component comprising a water mist spraying mechanism and a fan; and a data acquisition system for collecting data on the wind field, flame, and surface temperature and radiant heat flux of the ammunition simulator under wind-wave coupling conditions, thereby quantifying the degree of thermal stimulation of the ammunition under different operating conditions. The beneficial effects of this invention are: it enables the simulation of dynamic ammunition thermal exposure of shipborne aircraft under ocean wind-wave coupling conditions, filling the research gap in existing technologies that can only simulate static ammunition thermal exposure, and enabling a systematic study of the impact of ammunition attitude changes on the uniformity of thermal exposure.

The present application relates to a kind of sea wind advection benefit evaluation method and system, wherein sea wind advection benefit evaluation method includes the following steps: S1. Construct high-precision gridded multi-parameter coupled urban meteorological model, output includes air temperature, humidity, wind speed and high-frequency meteorological parameters of surface total solar radiation;S2. Based on high-frequency meteorological parameters, reconstruct the high-resolution spatial and temporal field of outdoor heat stress index;S3. Based on the heat balance mechanism of urban three-dimensional space, total heat and water vapor budget are decoupled into three physical driving processes of advection transport, turbulent diffusion and artificial heat emission, extract the net advection sensible heat flux and net advection latent heat flux of sea wind advection;S4. Based on numerical differentiation method, nonlinear extraction of outdoor heat stress index on sensible heat and latent heat sensitivity weight coefficient;The present application solves the problem that traditional evaluation result and health net benefit are disconnected from two dimensions of bottom flux decoupling and human sensitivity weighting, realizes the accurate quantification of sea wind advection health net benefit.

This invention relates to an experimental apparatus and method for studying the durability of concrete under the coupled effects of tides and waves, belonging to the research field of key issues in the durability of concrete structures. It includes a novel automated simulation experimental apparatus for simulating the real marine erosion environment under the combined effects of tides, waves, and sea breezes; and a method for testing the durability of concrete in complex marine environments. This invention can be used to conduct experimental research on the durability of concrete in complex marine environments under the coupled effects of tides and waves. It realizes the simulation of complex marine environments under the combined effects of tidal cycles with wave periods measured in seconds and high-frequency wet-dry cycles of waves. Simultaneously, it significantly reduces the complexity of traditional tidal and splash cycle simulation devices, as well as the construction and maintenance costs of equipment. It features simple operation and ease of use.

This invention provides a density clustering-based method for identifying sea and land breezes, relating to the fields of atmospheric science and meteorological data analysis. The method includes: acquiring hourly meteorological data for each day within a unit time interval over a set continuous N days, calculating a recycling factor, and extracting wind field characteristic data and sea-land temperature difference characteristic data corresponding to the first and second time periods within the unit time interval of that day to form a dataset to be classified; preprocessing the dataset to be classified to obtain a standard classification dataset; determining the optimal parameter combination of the density clustering model using the dataset to be classified; then performing density clustering on the dataset to be classified using the density clustering model with the optimal parameter combination, dividing it into multiple wind clusters and removing noise points; and identifying each wind cluster one by one based on the statistical characteristics of each cluster to obtain the wind category identification result. This invention can improve the accuracy and robustness of sea and land breeze identification.

The utility model discloses a kind of offshore long-distance remote control moving target ships, including target ship body, the top of the target ship body is equipped with antenna, cleaning mechanism that can be rotated using sea breeze to scrape and clean the surface of antenna is installed on the antenna, the bottom of the target ship body is equipped with the anti-toppling mechanism that can change barycenter position and prevent hull to tip, the utility model can slide on arc slide by configuration column, when target ship body is impacted by sea wave and appears to tip, configuration column can slide on arc according to the direction of inclination angle opposite, effectively avoid the situation that target ship body appears to tip, simultaneously, when target ship body is normally moved and is blown by sea breeze, rotating frame can rotate on antenna, so that rubber on rotating frame is attached to the surface of antenna and rotates to scrape the sea water attached to the surface of antenna, so as to effectively solve the situation that sea water is attached on antenna for long time and causes corrosion and rust.