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Natural ventilation analysis Product List

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High-altitude space natural ventilation analysis

We will conduct a natural ventilation analysis of buildings with high ceilings during the summer and in calm conditions.

The analysis of natural ventilation in large spaces examines the natural ventilation of buildings with large spaces during summer and calm conditions. In large spaces, there is often a trial-and-error approach to maintaining a comfortable temperature distribution by relying not only on air conditioning but also on natural ventilation. During summer and transitional periods, the temperature distribution within the space often stratifies, with higher temperatures at the top due to solar radiation and wall conduction. Therefore, if there are openings at the upper part, density-driven convection can occur, allowing hot air to be expelled outside the building. In recent thermal environment analyses, if the size, position, and opening ratio of the openings are known, it is also possible to directly calculate the ventilation airflow rate. For more details, please download the catalog.

  • Scientific Calculation and Simulation Software
  • Other Software

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Natural ventilation analysis with wind.

We will conduct thermal airflow simulations in the basic design phase plan.

In recent years, there have been many cases where natural ventilation utilizing outside air is actively incorporated during the intermediate period and other times. Among these, a ventilation method that uses shafts installed within the building as exhaust and supply air systems has been considered from the basic design stage to efficiently carry out natural ventilation. The selection of appropriate locations and sizes for supply and exhaust openings is of great importance, and conducting thermal airflow simulations allows for insights into the overall operation of the building. In this analysis, we assumed windy conditions and conducted thermal airflow simulations based on the plans from the basic design stage. For more details, please download the catalog.

  • Scientific Calculation and Simulation Software
  • Other Software

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Building Natural Ventilation Analysis

We conducted ventilation analysis of structures such as eco voids and eco shafts.

To reduce air conditioning load, natural ventilation that actively circulates outside air into the building is effective. Recently, incorporating structures such as eco-voids and eco-shafts into the basic design stage for efficient natural ventilation has gained attention. At that time, the size of the openings for bringing in outside air and their installation positions must be appropriate. In this analysis, we conducted ventilation analysis to examine the relationship between opening conditions and ventilation states. We modeled the target building and accurately reproduced the internal and external spaces of the building. For more details, please download the catalog.

  • Scientific Calculation and Simulation Software
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