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, when constructing a train station building. Due to the influence of the window arrangement of the station building and the solar radiation that passes through those windows, as well as the fluctuations in the number of people staying inside the station at different times, the thermal environment varies by time. As a result, it is currently challenging 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, absorbed, and re-radiated by the fixed windows on the west side of the concourse, the heat load from human bodies and lighting, and the convective 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 concourse roof. The weather data used is from a certain regional city, adopting the 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 wall, while heat from inside the station building was expelled through the grilles at the upper part of the wall and the skylight. The temperature in the occupied area of the station building reached 36-38°C, which is about 2-4°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 suggests that measures such as improving the performance of the window glass are necessary for the west side of the concourse. By using WindPerfectDX, it is possible to understand the thermal environment during the basic design phase and propose measures for areas where the thermal environment is harsh. ●For more details, please refer to the catalog.
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Company information
In environmental simulation, we develop and sell proprietary 3D fluid analysis programs and provide contract analysis services using these software tools. For over a decade, we have been engaged 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 functionality for BIM-compatible CAD data such as Revit and DXF ● Map information (GIS) data import functionality ● SuperCartesian functionality 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 functionality that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features In addition to software support, we also accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we provide high cost-performance solutions for a wide range of problems, from simple, small-scale issues to complex, large-scale analyses. We look forward to your visit, along with our abundant analysis case studies.