Building energy efficiency in different climates

Lam, Joseph C.; Wan, Kevin K.W.; Tsang, C.L.; Yang, Linlin

doi:10.1016/j.enconman.2008.01.013

Cited by 155 publications

(59 citation statements)

References 18 publications

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“…Furthermore, analysis of a study on building energy consumption in Hong Kong, Singapore and Saudi Arabia in the work of Lam and Li [9]; Cheok [10]; Al-Najem [11], show that building envelope design accounts for 36%, 25% and 43% of the peak cooling load respectively. Lam et al, [5] reported a study that investigated the impact of façade's surfaces orientation on the intensity of the direct and indirect solar radiation; findings from this study showed that the north has the lowest solar intensity which varies from 43.6 W/m 2 in October to 65.5 W/m 2 in July. La Roche and Liggett [12], expressed in their work that climate responsive design of buildings is important not only because of the comfort and energy saving implications for its users, but also because it helps preserve valuable resources on our planet.…”

Section: Introductionmentioning

confidence: 99%

“…Heating, ventilation and air conditioning (HVAC) systems which brought about building comfort during this hot season, were estimated to account for some 65% of the total energy use in the building sector [3] [4]. Since larger proportion of energy are being consumed in buildings, a way to alleviate the ever growing energy demand is to have more energy efficient building designs and proper building energy conservation programmes [5].…”

Section: Introductionmentioning

confidence: 99%

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Energy Efficiency in Building: Case of Buildings at the University of Ibadan, Nigeria

Odunfa¹,

Ojo²,

Odunfa³

et al. 2015

JBCPR

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Nigeria today faces serious challenge in providing adequate energy to meet the needs of her citizenry. Efforts are currently geared towards generation of more energy to ease the problem. While these efforts are commendable, it is equally desirable to explore ways to minimize consumption of generated energy. The objective of this work is to investigate the effect of building orientation on energy demand in buildings. This paper considered the use of standard design considerations,

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Energy Efficiency in Building: Case of Buildings at the University of Ibadan, Nigeria

Odunfa¹,

Ojo²,

Odunfa³

et al. 2015

JBCPR

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show abstract

“…[8] agree with the earlier research [6] that the results on building heating and cooling loads help in energy consumption and it is efficient in different climates. Hence, the energy consumption is efficient in different climates [9]; [10]; [11]; [12]. Energy consumption is important in building and environment and will help the community to overcome to the increase of economy status [8].…”

Section: Building Energy Efficiencymentioning

confidence: 99%

Developing building comfort index from building climate factors in a tropical urban environment

Roslan

Shafri

2018

IOP Conf. Ser.: Earth Environ. Sci.

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“…In the northern part of the European Union, residential buildings account for 30% of the total final energy consumption [2]. In China, it is estimated that the existing building stocks will account for about 35% of the total energy consumption in 2020, with heating, ventilation, and air-conditioning (HVAC) systems accounting for 65% of the residential energy consumption [3]. Therefore, energy consumption reduction in residential buildings has been attracting increasing attention and new technologies have been developed and implemented.…”

Section: Introductionmentioning

confidence: 99%

A novel stochastic modeling method to simulate cooling loads in residential districts

Yan

Hong

et al. 2017

Applied Energy

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District cooling systems are widely used in urban residential communities in China. Most district cooling systems are oversized; this leads to wasted investment and low operational efficiency and thus energy wastage. The accurate prediction of district cooling loads that supports rightsizing cooling plant equipment remains a challenge. This study developed a new stochastic modeling method that includes (1) six prototype house models representing a majority of apartments in the district, (2) occupant behavior models in residential buildings reflecting the temporal and spatial diversity and complexity based on a large-scale residential survey in China, and (3) a stochastic sampling process to represent all apartments and occupants in the district. The stochastic method was employed in a case study using the DeST simulation engine to simulate the cooling loads of a real residential district in Wuhan, China. The simulation results agree well with the actual measurement data based on five performance metrics representing the aggregated cooling loads, the peak cooling loads as well as the spatial load distribution, and the load profiles. Two currently used simulation methods were also employed to simulate the district cooling loads. The simulation results showed that oversimplified occupant behavior assumptions lead to significant overestimations of the peak cooling load and total district cooling loads. Future work will aim to simplify the workflow and data requirements of the stochastic method to enable its practical application as well as explore its application in predicting district heating loads and in commercial or mixed-use districts.

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Building energy efficiency in different climates

Cited by 155 publications

References 18 publications

Energy Efficiency in Building: Case of Buildings at the University of Ibadan, Nigeria

Energy Efficiency in Building: Case of Buildings at the University of Ibadan, Nigeria

Developing building comfort index from building climate factors in a tropical urban environment

A novel stochastic modeling method to simulate cooling loads in residential districts

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