Introduction of a case study aimed at understanding the thermal environment in the concourse and corridors of the station building!
[Purpose of Analysis] This is an analysis case aimed at understanding the thermal environment in areas where people move, such as concourses and corridors, during the construction of a train station building. Due to the influence of the arrangement of windows in the station building and the solar radiation transmitted through those windows, as well as the fluctuation in the number of people staying inside the station at different times, the thermal environment varies by time. Therefore, it is currently difficult to grasp the thermal environment during the basic design phase of the station building. In this analysis case, we modeled a hypothetical train station in a regional city during the summer at 4 PM using WindPerfectDX. We considered the solar radiation load transmitted and absorbed by the fixed windows on the west side of the concourse, the heat load from human bodies and lighting, and the infiltration load from the roof and walls, with the aim of understanding the thermal environment in the concourse and corridors of the station building.
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basic information
●Analysis Model → The size of the analysis space is set to 100m × 100m × 50m, with a total grid count of 2,061,150. The target model is based on a typical station building structure, with a concourse on the west side and a corridor on the east side, and a skylight installed on the roof of the concourse. The weather data used is from a local city, adopting data from 16:00, and ventilation grilles (with an opening ratio of 40%) were installed on the walls of the concourse and corridor for air supply and exhaust. ●Analysis Results → It was observed that outside air was supplied from the air intake grilles located at the lower part of the walls, while heat from inside the station building was expelled through the upper grilles and skylights. The temperature in the occupied area of the station building ranged from 36 to 38°C, which was approximately 2 to 4°C higher than the outside temperature of 33.9°C. In some areas on the west side of the concourse, the temperature rose to about 40°C due to solar radiation transmitted through the west-facing windows. This indicates that measures, such as improving the performance of the window glass, are necessary for the west side of the concourse. Using WindPerfectDX, it is possible to understand the thermal environment during the basic design phase and propose measures for areas with harsh thermal conditions. ●For more details, please refer to the catalog.
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Company information
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.