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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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Zhe Xu, Bing Guan, Lixin Wei, Shuangqing Chen, Minghao Li and Xiaoyu Jiang
The development of hydrogen-blended natural gas (HBNG) increases the risk of gas transportation and presents challenges for pipeline security in utility tunnels. The objective of this study is to investigate the diffusion properties of HBNG in utility tu...
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Yaogen Peng, Huijun Mao, Zhichao Liu and Cheng Wei
Natural ventilation is one of the vital means for passive energy-efficient design in green buildings. As a widely used building façade, the perforated plate is mostly utilized for appearance decoration, noise absorption, and sun shading, but its impact o...
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Pau Chung Leng, Siew Bee Aw, Nor Eeda Haji Ali, Gabriel Hoh Teck Ling, Yoke Lai Lee and Mohd Hamdan Ahmad
This paper studies the effectiveness of a solar chimney for improving ventilation and air-exchange rates in multi-storey public housing in tropical climates for the potential mitigation of airborne disease transmission. Virtual models of a typical apartm...
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Jiawei Deng and Feng Yao
The transportation and surface deposition of aerosols from sneezing in a small indoor farmers? market are studied numerically. The effects of numbers and locations of the entrances and exits of the market are discussed under the condition of natural conv...
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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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Se-Jun Park, In-Bok Lee, Sang-Yeon Lee, Jun-Gyu Kim, Young-Bae Choi, Cristina Decano-Valentin, Jeong-Hwa Cho, Hyo-Hyeog Jeong and Uk-Hyeon Yeo
A Venlo-type greenhouse with a continuous roof vent (CR-Venlo greenhouse) was proposed by the Ministry of Agriculture, Food and Rural Affairs, South Korea (2019) for natural ventilation even during summers. It is ventilated through the buoyancy effect of...
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Heow Pueh Lee and Sanjay Kumar
The pandemic has impacted every facet of our life, society, and environment. It has also affected both the requirement and challenges for acoustic research and applications. The present article attempts to present a summary of the impact of COVID-19 on s...
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Omar Belhadj, Hamidou Benzenine, Rachid Saim
Pág. 47 - 55
The use of a solar chimney for ventilation has a very significant environmental and economic impact. The aim of this work is to found the optimum ratio between height and base length in trapezoidal prism-shaped solar chimney. The idea is to give more fle...
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Monica Lilioara Chereche?, Nelu Cristian Chereche?, Adrian Alexandru Ciobanu, Sebastian Valeriu Hudi?teanu, Emilian Florin ?urcanu, Aurelia Bradu and Catalin George Popovici
In the context of energy conservation and sustainable development, building design should take into account the energy efficiency criteria by using renewable energy sources. Double-skin facades (DSF) represent innovative energy-efficient techniques that ...
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Ádám László Katona, István Ervin Háber and István Kistelegdi
A huge portion of energy consumption in buildings comes from heating, ventilation, and air conditioning. Numerous previous works assessed the potential of natural ventilation compared to mechanical ventilation and proved their justification on the field....
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Tessa Kvist Hansen
Naturally ventilated cold attics are traditional in many Danish single-family homes. The moisture balance of these attics is dependent on sufficient ventilation for removal of excess moisture. Moisture is generated in the dwelling below, and transported ...
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Jamal Saif, Andrew Wright, Sanober Khattak and Kasem Elfadli
In hot arid climates, air conditioning in the summer dominates energy use in buildings. In Kuwait, energy demand in buildings is dominated by cooling, which also determines the national peak electricity demand. Schools contribute significantly to cooling...
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Nora Schjøth Bunkholt, Toivo Säwén, Martina Stockhaus, Tore Kvande, Lars Gullbrekken, Paula Wahlgren and Jardar Lohne
Pitched wooden roofs are ventilated through an air cavity beneath the roofing in order to remove heat and moisture from the roof construction. The ventilation is driven by wind pressure and thermal buoyancy. This paper studies ventilation driven by therm...
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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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The subsurface infrastructure comprises many types of isolated structures, a type of confined space. This study reports on the effect of engine operating time, number/area and spacing of openings in the manhole cover, and operation during different seaso...
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Thomas Neil McManus and Assed Haddad
Isolated subsurface structures readily collect solvents spilled onto surrounding surfaces or poured into opening(s) in the manhole cover. Fatal overexposures and fires/explosions have occurred following these events. This work documents evaporation of 10...
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Thomas Neil McManus and Assed Haddad
It is believed that isolated subsurface structures of an infrastructure do not ventilate through opening(s) in manhole covers. The literature has almost no information on this topic. This study reports on considerations involved in the development and ut...
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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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Baharuddin Hamzah, Zhonghua Gou, Rosady Mulyadi and Samsuddin Amin
This study aims to analyze the thermal comfort level of students in secondary schools in the tropical city of Makassar. The analysis is carried out based on data surveyed from eight selected high schools. The study involved 1594 students in 48 classrooms...
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