scholarly journals The Impacts of Energy Efficiency Design Parameters on Office Buildings Energy Consumption in Different Climate Zones in China

2017 ◽  
Vol 205 ◽  
pp. 2478-2484
Author(s):  
Liqiang Hou ◽  
Yan Liu ◽  
Liu Yang ◽  
Jiang Liu ◽  
Yuhao Qiao
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Office Buildings ◽  
Design Parameters ◽  
Climate Zones

Effect of Smart Glazing Window on Energy Consumption inside Office Building

2020 ◽  
Vol 1008 ◽  
pp. 72-83
Author(s):  
Asmaa Mohammed Nageib ◽  
Abbas Mohamed El-Zafarany ◽  
Fatma Osman Mohamed ◽  
Mohamed Helmy El-Hefnawy
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Solar Radiation ◽  
Climatic Conditions ◽  
Office Buildings ◽  
Smart Windows ◽  
Upper Egypt ◽  
Natural Lighting ◽  
North East ◽  
Office Rooms

The office buildings in Egypt, especially in Upper Egypt, reflect serious problems in achieving for energy efficiency as a result of increasing the use of mechanical refrigeration devices in office rooms, due to solar radiation and rising summer temperatures in recent years. Smart windows can play an important role in reducing significantly the energy consumption and maintaining energy inside buildings, also helps to control incoming solar radiation in order to minimize solar gain, especially in summer as well as ensuring the best natural lighting conditions without glare inside a room. This paper aims to evaluate the most efficient daylight and thermal performance of various types of the smart glazing and its impact on the energy consumption in the climatic conditions of one of the office buildings (Diwan governorate) in Sohag governorate as one of Upper Egypt governorates, with determining the best smart glass types for efficient use of energy. The paper follows the theoretical, applied, by studying types of smart glazing and their relation to achieving the energy efficiency. Then using (Energy Plus) simulation tool, which has been used in utilizing its modeling orientation (Design Builder) to study using types of smart glazing on the model of an office room in Building of Diwan governorate of Sohag in the four different orientations (North, East, South and West), when window-to-floor ratios (WFRs) (8%, 16%, 24% and 32%). The paper ends with a presentation of the most important results, recommendations and determination the best types of smart glass that provides energy, daylight without glare and providing greater comfort to users.

scholarly journals Determining Proper Daylighting Design Solution for Visual Comfort and Lighting Energy Efficiency: A Case Study for High-Rise Residential Building

2021 ◽  
Vol 2069 (1) ◽  
pp. 012156
Author(s):  
Z A Kiliç ◽  
A Köknel Yener
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Residential Building ◽  
Design Solution ◽  
Design Parameters ◽  
Visual Comfort ◽  
Dynamic Simulations ◽  
High Rise ◽  
Lighting Energy ◽  
Daylight Performance

Abstract Promoting the daylight performance that allows to provide visual comfort conditions by minimizing lighting energy consumption is possible with making a balance of window size, glazing type and shading strategy, which are the major design parameters of the daylighting system. Particularly, in high-rise buildings, where large openings enabling higher daylight availability and view out are preferred, the daylighting system becomes a crucial design consideration in terms of ensuring occupants’ visual comfort and improving lighting energy efficiency. This study aims to identify a proper daylighting design solution with regard to window area, glazing type and shading strategy for a high-rise residential building located in Istanbul considering visual comfort and lighting energy efficiency. The dynamic simulations are carried out by DIVA for Rhino version 4.1.0.12. The results are evaluated with the Daylight Autonomy (DA) to detect daylight availability in the space and Daylight Glare Probability (DGP) to describe the visual comfort conditions related to glare. Furthermore, the lighting energy consumption of each alternative is also analysed to determine the proper daylighting solution. The results have revealed that a proper daylighting solution providing visual comfort by improving lighting energy-efficiency can be determined by the evaluation of the daylight performance both qualitatively and quantitatively.

Discussion to Energy-Saving Design of the Air-Conditioning System

2013 ◽  
Vol 361-363 ◽  
pp. 444-447
Author(s):  
Qian Wang ◽  
Rui Li
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Saving ◽  
Distribution System ◽  
Air Conditioning ◽  
Building Energy ◽  
Design Parameters ◽  
Building Energy Efficiency ◽  
Air Conditioning System ◽  
Transmission And Distribution

Air conditioning energy saving is of great significance for building energy efficiency, reduce air conditioning energy consumption can reduce most of the building energy consumption, achieve the purpose of saving energy. This article analyzed and discussed the choice of indoor design parameters, the choice of cold and heat source and the design of the transmission and distribution system.

The effects of climate change on heating energy consumption of office buildings in different climate zones in China

2017 ◽  
Vol 133 (1-2) ◽  
pp. 521-530 ◽  
Author(s):  
Fanchao Meng ◽  
Mingcai Li ◽  
Jingfu Cao ◽  
Ji Li ◽  
Mingming Xiong ◽  
...  
Keyword(s):  
Climate Change ◽  
Energy Consumption ◽  
Office Buildings ◽  
Climate Zones ◽  
Heating Energy Consumption

scholarly journals Using Residential and Office Building Archetypes for Energy Efficiency Building Solutions in an Urban Scale: A China Case Study

Energies ◽  
2020 ◽  
Vol 13 (12) ◽  
pp. 3210 ◽  
Author(s):  
Chao Ding ◽  
Nan Zhou
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Power Density ◽  
Building Design ◽  
Building Energy ◽  
Building Envelope ◽  
Stochastic Simulations ◽  
Office Building ◽  
Design Parameters ◽  
Building Energy Consumption

Building energy consumption accounts for 36% of the overall energy end use worldwide and is growing rapidly as developing countries continue to urbanize. Understanding the energy use at urban scale will lay the foundation for identification of energy efficiency opportunities to be deployed at speed. China has almost half of global new constructions and plays an important role in building suitability. However, an open source national building energy consumption database is not available in China. To provide data support for building energy consumptions, this paper used a simulation method to develop an urban building energy consumption database for a pilot city in Wuhan, China. First, residential, small, and large office building archetype energy models were created in EnergyPlus to represent typical building energy consumption in Wuhan. The baseline reference model simulation results were further validated using survey data from the literature. Second, stochastic simulations were conducted to consider different design parameters and occupants’ energy usage intensity scenarios, such as thermal properties of the building envelope, lighting power density, equipment power density, HVAC (heating, ventilation and air conditioning) schedule, etc. A building energy consumption database was generated for typical building archetypes. Third, data-driven regression analysis was conducted to support quick building energy consumption prediction using key high- level building information inputs. Finally, a web-based urban energy platform and an interface were developed to support further third-party application development. The research is expected to provide fast energy efficiency building design solutions for urban planning, new constructions as well as building retrofits.

scholarly journals Future Climate Change on Energy Consumption of Office Buildings in Different Climate Zones of China

2018 ◽  
Vol 27 (1) ◽  
pp. 45-53 ◽  
Author(s):  
Yuehao Chen ◽  
Mingcai Li ◽  
Mingming Xiong ◽  
Jingfu Cao ◽  
Ji Li
Keyword(s):  
Climate Change ◽  
Energy Consumption ◽  
Future Climate ◽  
Office Buildings ◽  
Future Climate Change ◽  
Climate Zones

Energy efficiency practices for Malaysian green office building occupants

2018 ◽  
Vol 8 (2) ◽  
pp. 134-146 ◽  
Author(s):  
Chukwuka Christian Ohueri ◽  
Wallace Imoudu Enegbuma ◽  
Russell Kenley
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Building Materials ◽  
Office Buildings ◽  
Strategy Training ◽  
Office Building ◽  
Performance Gap ◽  
Content Type ◽  
Behavioural Strategy ◽  
Reduce Energy Consumption

Purpose Green building construction was adopted as a strategy to reduce energy consumption and the overall impact of the built environment on our natural environment. However, in Malaysia, previous studies have reaffirmed that green office buildings consume a substantial amount of energy, compared to their counterparts in Singapore. Moreover, there is still a significant performance gap between predicted energy measurements and actual operational energy consumption of green office buildings in Malaysia, due to occupants’ behavioural discrepancies. Therefore, the purpose of this paper is to develop energy efficiency practices for occupants of green office buildings in Malaysia. The developed practices integrate technology, organisation policy, and occupants’ behavioural strategies, in order to reduce the energy consumption of green office buildings in Malaysia. Design/methodology/approach To achieve the research goal, a mixed (quantitative and qualitative) research method was used to collect data from the research population. In total, 53 respondents working in a green office building complex in Kuala Lumpur Malaysia were surveyed using a questionnaire. Additionally, three top management staff of the green office building and two Malaysian construction professionals were interviewed. The study adopted convenience sampling technique in selecting the research respondents. The data from the questionnaire were analysed using SPSS software (version 22) while the interview data were analysed via thematic content analysis. Findings The findings suggest that the integration of technological strategy (use of BIM tools, sustainable building materials, etc.); organisational strategy (develop, implement and evaluate action plans, use of monitor/control systems, etc.); and occupants behavioural strategy (training, incentives, occupants energy efficiency guide, etc.) will critically reduce energy consumption of green office buildings in Malaysia. Originality/value Based on the findings, energy efficiency practices are developed to guide occupants in reducing the energy consumption of green office buildings in Malaysia. This strategy will contribute to reducing the performance gap that exists between predicted energy and actual energy use of green office buildings in Malaysia. However, the developed energy efficiency practices need to be validated to ascertain its workability in the green office building context.

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