A thermal flow analysis considering external wind and humidity (water vapor movement) was conducted.
The thermal flow analysis of the cooling tower was conducted to predict white smoke generation during winter for a large 8-cell unit, taking into account external wind and humidity (water vapor movement). There are many thermal flow devices related to building equipment whose characteristics and behaviors are not well understood. The cooling tower is one of them, but by precisely setting the structure, flow conditions, and thermal conditions of each cell of the cooling tower, it becomes possible to reproduce the thermal flow state quite accurately. For more details, please download the catalog.
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【Analysis Model】 - The number of grids is 190×82×45=701,100. - The external wind can be set to be drawn in from the bottom of the cell, undergo heat exchange, and then discharged as high-temperature, high-humidity air from the top of the cell through a fan. - To accurately reproduce the surrounding velocity distribution, the grids are designed to be fine around the planned building and coarser as they move away. - Wind speed conditions apply a power law to approximate real-world conditions. 【Analysis Results】 - Analysis results for winter (north wind) when wind blows in the direction of the 8-cell series, where white smoke generation is considered to be most intense. - Analyses are also conducted for wind directions perpendicular to the cell series and for oblique wind directions. - At each cell's outlet, there is evidence of entrainment from the external wind, so the high-temperature air discharged from the fan is not uniform. - The cells on the downwind side rise to a higher position with the discharged high-temperature air compared to the upwind cells directly exposed to external wind (temperature 0°C). - The humidity distribution in the space above and behind the cooling tower is expressed in three dimensions. ● For more details, please contact us or download the catalog.
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In environmental simulation, we are engaged in the independent development and sale of a three-dimensional fluid analysis program, as well as contract analysis services using this software. For over a decade, we have been involved in thermal fluid analysis in fields such as architecture, civil engineering, machinery, and electronics, handling numerous analyses and accumulating a wealth of know-how and knowledge. Our diverse analysis and visualization functions, honed through practical experience, have received high praise as CFD software from many companies and research institutions. ● Import function for BIM-compatible CAD data such as Revit and DXF ● Import function for geographic information system (GIS) data ● SuperCartesian function that freely represents diagonal boundaries and complex curved surfaces ● High-speed, high-precision radiation calculations and high-precision turbulence analysis using DNS ● Moving boundary problem analysis function that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features Of course, we also provide software support and accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we offer high cost-performance solutions for a wide range of problems, from simple and small-scale issues to complex and large-scale analyses. We look forward to your visit, along with our extensive analysis case studies.