Natural Ventilation External Wind Case Study

Natural ventilation plays a crucial role in enhancing indoor air quality and thermal comfort within residential buildings. This blog post presents a case study focused on a compact structure measuring 5 m x 5 m and a total height of 2 m. This design emphasizes the significance of well-planned ventilation strategies to ensure efficient airflow and minimize energy consumption.

Interior Layout and Ventilation Strategies

The interior of the studied space is thoughtfully structured, comprising two private rooms, a main living area, a restroom, and a combined dining and living area that serves as the primary occupied space. This layout is vital for facilitating effective natural ventilation. To achieve optimal air exchange, various openings are strategically placed throughout the design.

The large window and two standard windows on the living area façade allow for substantial airflow, creating a comfortable environment during warmer months. Additionally, each private room features its own window, which encourages cross-ventilation when opened simultaneously. The restroom contains a small ventilation opening, which further supports air exchange, thus enhancing the overall breathability of the space.

Impact of External Wind on Airflow

This case study highlights the critical role that external wind conditions play in achieving effective natural ventilation. Analyzing the impact of prevailing winds on the structure reveals that favorable wind patterns can significantly improve airflow throughout the interior. By positioning the windows and openings to align with these wind directions, the design maximizes the potential for natural air circulation.

Furthermore, the use of window sizing and placement is crucial. Larger windows in key locations can capture wind more effectively, while smaller openings ensure controlled ventilation, preventing drafts and maintaining comfortable indoor conditions. The combination of these factors establishes an ideal environment where thermal comfort and air quality can thrive.

Publications:

[1] Caesar Wiratama. Natural Ventilation Computational Fluid Dynamics (CFD) Simulation using OpenFOAM. PT Tensor Karya Nusantara. 2025. DOI:10.13140/RG.2.2.19664.37127

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