Indoor heat stress and cooling energy comparison between green roof (GR) and non-green roof (n-GR) by simulations for labor intensive factories in the tropics

Chowdhury, Sajal; Hamada, Yusuke; Ahmed, Khandaker Shabbir

doi:10.1016/j.ijsbe.2017.09.001

Cited by 12 publications

(3 citation statements)

References 17 publications

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“…The sum of the weighted rating for each of the five functions is used to compare different green roof systems and stipulate minimum requirements [8].…”

Section: Green Roof Benefits and Improvementsmentioning

confidence: 99%

Innovation technologies in Green Roof systems

2018

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Abstract. This article analyses both traditional green roof structures and innovative modular green roof systems. Project design and construction of new buildings with smart green technologies is a main trend in the process of mitigation climate change, because in most European countries the construction sector consumes approximately one third of the total energy used. Despite a wide range of proposed initiatives in the construction sector measures mainly focused on energy-saving technologies, alternative energy resources and methods to bring multiple economic profit and great environment benefits.

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“…The sum of the weighted rating for each of the five functions is used to compare different green roof systems and stipulate minimum requirements [8].…”

Section: Green Roof Benefits and Improvementsmentioning

confidence: 99%

Innovation technologies in Green Roof systems

2018

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“…In addition to the cool roof, there is another kind of roof which can also play a role in saving energy for air-conditioner, which is called "green roof". Green roof is the planting of a layer of vegetation on the outermost layer of the roof, through the transpiration of plants to carry away the heat of the house, thus achieving the effect of energy saving of air-conditioner [5].…”

Section: Introductionmentioning

confidence: 99%

Energy-saving, economic and environmental benefits analysis of cool roofs and green roofs for retail buildings in America

2023

ACE

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Green roofs and cool roofs are considered to improve energy efficiency, and provide economic benefits, energy-saving benefits, environmental benefits for the traditional grey roofs. Some national and local standards have analysed and recommended these technologies in existing building renovations, but their research subjects were mostly office or residential buildings, which didnt include the evaluation and analysis of specific roof renovations in different thermal zones in the United States. This paper conducted a 40-year life cycle cost analysis of retail buildings roofs in 16 cities across 8 different thermal zones in the United States. LCCA found that cool roofs showed a positive life cycle NPV in all cities, while green roofs showed a negative NPV. This article also analysed and compared the environmental benefits of retail buildings roofs in 16 cities, and calculated the emission reductions that they can bring to power plants. This paper also selected retail buildings roofs from 8 representative cities in 8 different thermal zones for energy savings and cost savings analysis. The results show that decision-makers can transform ordinary roofs into green roofs or cool roofs according to the characteristics of each thermal zone, combined with energy-saving benefits, economic benefits, environmental benefits and other factors, which is conducive to the implementation of new specifications.

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“…The study revealed that the heat transmission generated is influenced by vegetation on the roof of buildings. This research does not examine the occupants' condition nor provide air temperature conditions used to create the occupants' thermal comfort [2].…”

Section: Introductionmentioning

confidence: 99%

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

Hermawan

Prianto

Setyowati

et al. 2019

Int. J. Adv. Sci. Eng. Inf. Technol.

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Thermal comfort may be evaluated from the thermal condition of residential houses and their occupants' satisfaction. This research evaluates the thermal comfort of traditional residential houses located in mountainous areas of Wonosobo, Indonesia. The evaluation is conducted based on the physical condition of residential houses and their occupants' satisfaction factors. A quantitative approach is employed to analyze the theory of static thermal comfort (Predicted Mean Vote/PMV) and that of adaptive thermal comfort (Actual Mean Vote/AMV). The research method is conducted based on a field study. The thermal condition is measured using 4 climate variables and 2 personal variables. Climate variables are air temperature, globe temperature, relative humidity and wind velocity. Personal variables are clothes and activity. AMV was based on thermal sensation from ASHRAE (American Society of Heating, Refrigerating and AirConditioning Engineers). The sensation thermal is very cold (-3), cold (-2), cool (-1), neutral (0), warm (+1), hot (+2), very hot (+3). The research has conducted a survey of 14 houses with 39 respondents. The research findings show that the comfort temperature is 24.47 o C within air temperature (T a) or 24.14 o C within T g or 24.17 o C within T o or 25.08 o C within T ET or 24.69 o C within T SET. These findings are compared to those previously conducted in Jakarta and Bandung showing that some differences are dealing with their comfort temperature. The other findings show that there are also some PMV and AMV differences of traditional residential houses located in the tropical mountainous areas.

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Indoor heat stress and cooling energy comparison between green roof (GR) and non-green roof (n-GR) by simulations for labor intensive factories in the tropics

Cited by 12 publications

References 17 publications

Innovation technologies in Green Roof systems

Innovation technologies in Green Roof systems

Energy-saving, economic and environmental benefits analysis of cool roofs and green roofs for retail buildings in America

The Thermal Condition and Comfort Temperature of Traditional Residential Houses Located in Mountainous Tropical Areas: An Adaptive Field Study Approach

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