Sulistiawan, Agung Prabowo (2018) Enhance Hybrid Ventilation Through Stack Ventilation Strategies Using Roof Solar Collector Combined With Turbine Ventilator In Tropical Humid Climate. In: Seminar Nasional Rekayasa dan Desain Itenas 2018, Tema: Peranan Rekayasa dan Desain dalam Percepatan Pembangunan Nasional Berkelanjutan, 4 Desember 2018, Kampus Institut Teknologi Nasional - Bandung.

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Abstract

Many architects and building designers preferred to choose natural cross ventilation to generate indoor air movement and improve thermal comfort in their building. Unfortunately, in the certain conditions, especially in hot climate, the application of conventional concept of natural ventilation alone does not always successfully. These circumstances could be provided an effective outlet area at the top of building and use a stack ventilation strategy for the best solutions. This research tend to investigate and develop a new stack ventilation strategy using the solar roof collector combine with turbine ventilator on building model under Indonesian conditions. The objectives of this research are to develop the best feature of hybrid system and to create a new type of ventilation system to achieve indoor thermal comfort. There are three methodologies used for this research namely, theoretical background, design development prototype and computational fluid dynamics (CFD) simulation. This research will design and create the model of hybrid ventilation to carry out the simulations. Finally, the performance of this new hybrid ventilation system will be studied in modeling building using CFD simulations to determine temperature difference and air velocity. The outcome of the study is expected that the development of the new hybrid ventilation through stack ventilation strategy using roof solar ventilator combine with hybrid turbine ventilator can significantly reduce air temperature in tropical humid climate. The study also expects that appropriate design decisions on this strategy will not only be an energy efficient tool to improve indoor thermal environment but also it will enhance the building aesthetic. Key words : Hybrid Ventilation, Stack Ventilation, Roof Solar Collector, Turbine Ventilator, CFD

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