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Natural ventilation plays an important role on the thermal and energy performance of a building. The present study aims to analyze the natural ventilation conditions of a dwelling in a Mediterranean climate and their impacts on the thermal and energy per...
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An experimental study was conducted in a room resembling an office in a laboratory environment. The study involved investigating the ability of corner-placed stratum ventilation in order to evaluate the ventilation’s effectiveness and local thermal...
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Zijing Tan and Xiang Deng
In this study, the natural ventilation potential of residential buildings was numerically investigated based on a typical single-story house in the three most populous climate zones in Australia. Simulations using the commercial simulation software TRNSY...
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Ibiyeye Aminat Idowu, Zalina Shari, Mohamad Fakri Zaky Jaafar
Pág. 130 - 152
This study investigates the natural ventilation provisions of residential buildings in the hot-humid climate of Putrajaya as well as the occupants? utilization and overall satisfaction of these provisions. Five terrace house design types were selected fo...
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Yingchun Xie, Zepeng Zheng, Huibin Wang, Zhen Xu, Guijie Liu, Reza Malekian and Zhixiong Li
This work aims to measure the thermodynamics of a main cabin ventilation system in a JU-2000E jack-up offshore platform. A three-dimensional (3D) physical model of the ventilation system was established, and the computational fluid dynamics (CFD) softwar...
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Xiaozhou Wu, Hao Gao, Mingming Zhao, Jie Gao, Zhen Tian and Xiangli Li
A ceiling cooling system integrated with a mechanical ventilation system has been widely used in modern buildings with large sensible cooling loads due to the high thermal comfort level and large energy efficiency. However, there is a lack of systematic ...
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Weixin Zhao, Simo Kilpeläinen, Wertti Bask, Sami Lestinen and Risto Kosonen
To maintain proper indoor air quality and increase energy efficiency, a demand-control ventilation (DCV) system has become a popular solution. This paper reports the findings of a field study conducted on the performance of the DCV systems in eight publi...
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Jianchao Ma, Hua Qian, Fan Liu, Guodong Sui and Xiaohong Zheng
Medical staff working in a nasopharyngeal swab sampling cabin are exposed to a higher exposure risk of COVID-19. In this study, computational fluid dynamics (CFD) are used to evaluate the exposure risk to medical staff in a nasopharyngeal swab sampling c...
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Shuai Yang, Rui Ren and Ya-Qiong Wang
In tunnel construction, the difficulty of ventilation gradually increases with the increase of ventilation distance, which endangers construction safety and delays construction progress. This paper presents an air cabin ventilation system of the tunnel d...
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Andrés Vignolo, Ana Paula Gómez, Martín Draper and Mariana Mendina
Periodic ventilation can be a useful strategy for reducing the risk of any airborne transmitted disease. It is particularly well-suited for naturally ventilated environments in cold weathers, as it allows for a compromise between IAQ and thermal comfort,...
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Chayan Kumer Saha, Qianying Yi, David Janke, Sabrina Hempel, Barbara Amon and Thomas Amon
Airflow inside naturally ventilated dairy (NVD) buildings is highly variable and difficult to understand due to the lack of precious measuring techniques with the existing methods. Computational fluid dynamics (CFD) was applied to investigate the effect ...
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Anna Maria Kozlowska, Øyvind Øksnes Dalheim, Luca Savio and Sverre Steen
This paper presents experimental and theoretical studies on the dynamic effect on the propeller loading due to ventilation by using a simulation model that generates a time domain solution for propeller forces in varying operational conditions. For venti...
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Yuki Murakami, Naoki Ikegaya, Aya Hagishima and Jun Tanimoto
Computational fluid dynamics simulations with a Reynolds-averaged Navier-Stokes model were performed for flow fields over a building array and inside a building in the array with different building opening positions. Ten combinations of opening locations...
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Eliseo Bustamante, Fernando-Juan García-Diego, Salvador Calvet, Fernando Estellés, Pedro Beltrán, Antonio Hospitaler and Antonio G. Torres
Broiler production in modern poultry farms commonly uses mechanical ventilation systems. This mechanical ventilation requires an amount of electric energy and a high level of investment in technology. Nevertheless, broiler production is affected by perio...
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Tobias Gronemeier, Siegfried Raasch and Edward Ng
Ventilation in cities is crucial for the well being of their inhabitants. Therefore, local governments require air ventilation assessments (AVAs) prior to the construction of new buildings. In a standard AVA, however, only neutral stratification is consi...
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Kyung-Soon Park, Sang-Woo Kim and Seong-Hwan Yoon
The efficient operation of a passive solar house requires an efficient ventilation system to prevent the loss of energy and provide the required ventilation rates. This paper proposes the use of ?breathing architectural members? (BAMs) as passive natural...
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Piotr Kaczmarzyk, Pawel Janik, Daniel Maloziec, Wojciech Klapsa and Lukasz Wargula
During rescue operations, one of the important parameters determining the effectiveness of the implementation of tactical mechanical ventilation is the selection of the appropriate size of the outlet opening. The objective of this article is to determine...
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Dariusz Suszanowicz
This study presents the results of research on heat loss from various types of residential buildings through ventilation systems. Experimental research was done to analyse the effectiveness of ventilation systems of different types and determine the para...
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Lu Aye, Robert Fuller
Pág. 47 - 57
The understanding of ventilation requirements in commercial buildings has been significantly revised in the last 10-15 years. A link between health, productivity and increased fresh air use has been established by some research and this understanding und...
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Lu Aye, Robert Fuller
Pág. 47 - 57
The understanding of ventilation requirements in commercial buildings has been significantly revised in the last 10-15 years. A link between health, productivity and increased fresh air use has been established by some research and this understanding und...
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