Effects of Building Design Elements on Residential Thermal Environment

Yang, Yong; Zhang, Xize; Lu, Xi; Hu, Jia Xi; Pan, Xin Chen; Zhu, Qi; Su, Weizhong

doi:10.3390/su10010057

Cited by 28 publications

(23 citation statements)

References 42 publications

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“…They showed that indoor wind in the upper floor is almost four times higher than in the lower floor. Other researchers investigated the effect of building height on outdoor thermal comfort during the daytime in order to mitigate heat stress in summer [59,60]. However, although several conclusions may be applied to other cases, the results of each one represents a specific context.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study of Traditional and Contemporary Building Envelope Construction Techniques in Terms of Thermal Comfort and Energy Efficiency in Hot and Humid Climates

Lotfabadi

Hançer

2019

Sustainability

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Expectations of traditional and contemporary buildings are different in terms of thermal comfort. Traditional buildings mostly achieve comfort through passive means, without HVAC support, but old levels of thermal satisfaction do not meet today’s expectations, although their passive thermal performances are notable for contemporary building designs. In this regard, the current study tries to investigate the possibility of comparing traditional and contemporary buildings’ construction techniques to achieve thermal comfort from an architectural point of view. In other words, is it possible to achieve passive building design by considering vernacular architecture principals as a reference? Likewise, how well can architects define insulation layers in contemporary construction surfaces in hot and humid climates? To this end, a dynamic, numerical, thermal calculation case study has been modeled in Famagusta, Northern Cyprus, to answer the above-mentioned questions. A mixed-use mode benefitting free-run periods is proposed and compared with a mode providing 24 hours of air-conditioning in different scenarios using the same initial settings. Thus, different floor-to-ceiling heights, insulation placements and indoor conditions have been tested separately in both winter and summer periods. The results show that thermal comfort can be achieved in free-run periods only during a limited percentage of the year. Furthermore, although increasing building heights may lead to a rise in the free-run periods, in contemporary buildings it increases the total energy usage of the buildings between 6% and 9% in the mixed mode. Therefore, vernacular architecture strategies are proper in their own context. However, this energy usage can still be controlled and optimized by such considerations as insulation material placement. In this regard, the best envelope properties for different building functions are proposed for application in hot and humid climates.

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Section: Introductionmentioning

confidence: 99%

A Comparative Study of Traditional and Contemporary Building Envelope Construction Techniques in Terms of Thermal Comfort and Energy Efficiency in Hot and Humid Climates

Lotfabadi

Hançer

2019

Sustainability

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“…[8] This model requires two main input files, including the configuration file containing settings for initialization values and timings and the 3D model file designing the spatial location, height of buildings, vegetation and soils based on a cell in the simulated area. [9,10] The four steps are described below:…”

Section: Methodsmentioning

confidence: 99%

A Verification Method of Thermo- infrared Remote Sensing Temperature Retrieval Algorithm with a CFD Model

Yong¹,

Yao²,

Yang³

et al. 2018

AJGRR

Self Cite

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Due to the thermal infrared remote sensing inversion of surface corresponds to the surface temperature of the image pixels is planar, the inversion algorithm of authentication, rarely considering the reference temperature data and inversion of surface temperature on like yuan scale problems.ENVI-met based on the CFD model to simulate the nanjing jiangning district land surface temperature, and by the methods of measurement of analog temperature verification, proved ENVI-met the error of the model to simulate the surface temperature of 0.6 0 C, meet the verification accuracy of temperature inversion algorithm. Using ENVI-met model of Landsat8 data.

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“…The main evaluation indices of the urban thermal environment are atmospheric temperature (T a ), land surface temperature and thermal comfort. Among them, T a and land surface temperature are utilized more in analyzing the spatial distribution of difference of temperature [50]. The impact of vegetation types on air and surface temperatures are researched [51,52] because vegetation and surface temperature interact.…”

Section: The Heat Impactmentioning

confidence: 99%

“…The thermal environment problem has attracted significant attention with the progress of urbanization [61,62] and it has received extensive attention from scholars for both the indoor and outdoor thermal environment [50,[62][63][64][65]. The internal heat source at UCG influences the temperature field in the overburden.…”

Section: Mathematical Model For Two-dimensional (2d) Temperature Fieldsmentioning

confidence: 99%

Some Influences of Underground Coal Gasification on the Environment

2018

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Increasing energy costs and energy demand have renewed global interest in clean coal technologies. Underground Coal Gasification (UCG) is an industrial process that converts coal into product gas. UCG is a promising technology with a lot of health, safety and environmental advantages over conventional mining techniques. UCG carries risks to human health, agriculture and the environment. This article briefly analyzes the advantages and negative environmental impacts of UCG. It describes experimental objects, mathematical models as tools for simulation cases and it used coal from UCG experiments in Cigel, Barbara and Wieczorek mines to analyze the environmental impacts of UCG. The gasification converts the carbon in the coal to syngas and heat. We carried out a numerical simulation of the two-dimensional unstable heat conduction in the coal and overburden, with the aim of judging the influence of this heat source on the surroundings, including the surface. The results show that the temperature in the surrounding rock first increases and then decreases with time, the peak of the temperature curve decreases gradually, and its position moves inside the surrounding rock from the ignition point. A small amount of potentially dangerous syngas leaks from the UCG cavity and channels into vulnerable areas depending on working pressures. The danger of explosion and poisoning in vulnerable zones was evaluated by the simulation model. The results show that the danger is real but by monitoring and controlling the air in the vulnerable area it is possible to reduce this risk.

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Effects of Building Design Elements on Residential Thermal Environment

Cited by 28 publications

References 42 publications

A Comparative Study of Traditional and Contemporary Building Envelope Construction Techniques in Terms of Thermal Comfort and Energy Efficiency in Hot and Humid Climates

A Comparative Study of Traditional and Contemporary Building Envelope Construction Techniques in Terms of Thermal Comfort and Energy Efficiency in Hot and Humid Climates

A Verification Method of Thermo- infrared Remote Sensing Temperature Retrieval Algorithm with a CFD Model

Some Influences of Underground Coal Gasification on the Environment

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