Evaluating the Effect of Window-to-Wall Ratios on Cooling-Energy Demand on a Typical Summer Day

Li, Jiayu; Zheng, Bohong; Bedra, Komi Bernard; Li, Zhongyang; Chen, Xiao

doi:10.3390/ijerph18168411

Cited by 12 publications

(3 citation statements)

References 52 publications

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“…The indoor temperature is predicted by calculating the energy fluxes through the building envelope. The indoor air temperature calculated by Envi-met follows Equation (1) [37].…”

Section: Simulation Toolmentioning

confidence: 99%

The Annual Effect of Landscapes on the Indoor Thermal Environment in Residential Areas—A Case Study in Southern Hunan

Li,

Zheng,

Chen

et al. 2024

Forests

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Landscape elements are crucial to the quality of the built environment. Thermal comfort is one of the important paths through which landscape elements affect the quality of the built environment. Most studies investigate the impacts of the landscape on the outdoor thermal environment, while ignoring the impacts on the indoor environment. A residential area in Chenzhou, a typical city having a hot summer and cold winter climate, was taken as an example to reveal the effect on the indoor thermal environment of landscapes. The annual distribution of the indoor thermal environment was analyzed with the “Envi-met+IDW” model, which was created to evaluate the annual thermal impact. Analytical results show that, from the perspective of the annual cycle, the camphor tree has the best performance in regulating the indoor thermal environment, followed by water and the palm. Manila grass has a very weak impact on indoor thermal comfort throughout the year. Camphor trees, water, and palm extend the “acceptable temperature” by 523 h, 416 h, and 388 h respectively. However, the camphor tree also has the strongest cooling effect on indoor environments during winter, increasing the “heating demand temperature” by 289 h.

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“…The indoor temperature is predicted by calculating the energy fluxes through the building envelope. The indoor air temperature calculated by Envi-met follows Equation (1) [37].…”

Section: Simulation Toolmentioning

confidence: 99%

The Annual Effect of Landscapes on the Indoor Thermal Environment in Residential Areas—A Case Study in Southern Hunan

Li,

Zheng,

Chen

et al. 2024

Forests

Self Cite

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“…In this paper Li, J. Zheng et al [13] investigates the thermal indoor quality of the buildings. The window-to-wall ratio (WWR) altogether influences the indoor warm environment, causing changes in residents' energy demands.…”

Section: Fig 5 : Different Variants With Correspondingsmentioning

confidence: 99%

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2022

IJERMCE

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The continuous increase of emissions of greenhouse gas and mankind's reliance on exploiting fossil energy accumulation generated an urge to enhance the efficiency of buildings. The main aim of the power industry is to develop a building which consumes least possible energy and to produce low level gas. Consequently, green and energy proficient buildings such as nearly zero energy building (nZEB) has become a global trend. There are various design performance inputs and the prediction by which one can optimize the energy consumption to attain zero energy building. This paper mainly focuses on the optimization of the energy consumption of nZEB. This concept of nZEB has been implemented in various developed countries at a mass level, but India has not taken any significant measures towards achieving the zero-energy concept. This paper investigates significant measures that are currently practising in different countries to achieve a goal of zero energy building and then provide a suggestive measure that should be implemented in India.

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“…The building envelope significantly influences the indoor thermal and humidity environment. Jiayu et al [ 12 ] combined with the "Envi-met" model and the "TRNSYS" model to predict the impact of the window-to-wall ratio on indoor cooling energy demand in southern Hunan. Qin [ 13 ] established a coupled model associated with heat and moisture transfer in the building envelope based on multi-regional moisture and heat flow to evaluate the impact of humidity on indoor air quality and building energy consumption.…”

Section: Introductionmentioning

confidence: 99%

Influence of geographical location and outdoor meteorological parameters on indoor humidity environment in rural residential buildings during the Plum Rains Season in the hot summer and cold winter region

He,

Zhou,

Liu

et al. 2023

PLoS ONE

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Plum Rains Season (PRS) has the typical characteristics of outdoor air temperature dramatic changes and high air humidity in the hot summer and cold winter region in China. When the outdoor temperature rises rapidly during PRS, the building envelope surface temperature is probably lower than the indoor air dew point temperature, resulting in moisture condensation. This paper evaluates the influence of geographical location and outdoor meteorological parameters on the indoor humidity environment. The effects of critical parameters such as altitude, average temperature, relative humidity, total precipitation, total precipitation days, atmospheric pressure, and wind speed on the building envelope moisture condensation in nine typical cities in the hot summer and cold winter region were simulated and analyzed. The results show that the Condensation Frequency (CFn) in the western, central, and eastern regions reached the highest in April, May, and June, respectively. Among the nine typical cities, Changsha has the highest Condensation Risk (CR). In addition, the altitude, total precipitation, and atmospheric pressure have little effect on the indoor humidity environment, and it is not directly related to CR; The average temperature and total precipitation days were not related to CR in the western and eastern regions and positively correlated with CR in the central region; The wind speed was positively correlated with CR in the western and central regions and negatively correlated in the eastern region; The relative humidity can affect the indoor humidity environment and moisture condensation on the inner surface of walls, when the relative humidity increases, the CR increases.

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Evaluating the Effect of Window-to-Wall Ratios on Cooling-Energy Demand on a Typical Summer Day

Cited by 12 publications

References 52 publications

The Annual Effect of Landscapes on the Indoor Thermal Environment in Residential Areas—A Case Study in Southern Hunan

The Annual Effect of Landscapes on the Indoor Thermal Environment in Residential Areas—A Case Study in Southern Hunan

Untitled

Influence of geographical location and outdoor meteorological parameters on indoor humidity environment in rural residential buildings during the Plum Rains Season in the hot summer and cold winter region

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