scholarly journals Editorial: Building integrated renewable energy

2020 ◽  
pp. 014459872095251
Author(s):  
Yaolin Lin ◽  
Wei Yang ◽  
Xiaoli Hao ◽  
Changxiong Yu
Keyword(s):  
Energy Efficiency ◽  
Renewable Energy ◽  
Greenhouse Gas Emission ◽  
Experimental Studies ◽  
Building Energy ◽  
Energy Performance ◽  
Energy Utilization ◽  
Building Energy Efficiency ◽  
Special Issue ◽  
The World

About one-third of the primary energy in the world is consumed by buildings. A large amount of CO2 emission due to building energy consumption has threatened the sustainable development of the world. Improvement on the building energy performance, especially by integration with renewable energy resources has attracted interest worldwide to reduce greenhouse gas emission to make our society more sustainable. This Special Issue on building integrated renewable energy was open to all contributors in the field of building energy efficiency. The original experimental studies, numerical simulations, and reviews in all aspects of renewable energy utilization, management, and optimization have been considered. In the event, all these topics were covered in the extensive submissions accepted, but interesting papers on other aspects of building energy efficiency were also received. The purpose of this editorial is to summarize the main research findings of accepted papers in this Special Issue, including the use of renewable energy and energy saving technologies in buildings and identify a number of research questions and research directions.

scholarly journals A GP-Based Hierarchical Objectives Decision-Making Method for Building Energy Efficiency Optimization

Buildings ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 52
Author(s):  
Xiang Li ◽  
Sha Liu ◽  
Yichao Sun
Keyword(s):  
Decision Making ◽  
Energy Efficiency ◽  
Optimization Method ◽  
Building Energy ◽  
Energy Performance ◽  
Decision Makers ◽  
Building Energy Efficiency ◽  
Simulation Engine ◽  
Goal Programming Model ◽  
Building Designs

Building energy efficiency, which is critical in reducing environmental impact, has become one of the most important objectives of building designs. In order to precisely express the goals of building designs, and help decision makers estimate the ultimate performance of design schemes in advance when searching for the optimal building design, the Goal Programming Model (GPM) is introduced in this study to provide a solution for explicit design objective delivery and multi-stakeholder involved decision-making support. In this proposed method, EnergyPlusTM works as a simulation engine to search for the relationship between design parameter combinations and building energy consumption. Simultaneously, Genetic Algorithm (GA) is used to improve the efficiency of overall building energy performance optimization by processing multiple iterations. A case study with five possible design scenarios was dedicated in this study to implement the proposed optimization method, and the optimization results verified the capacity of the established GP-based optimization method to satisfy various design requirements for decision makers and/or stakeholders, especially in facing the hierarchical objectives with different priorities. In this case, the envelope-related variables, including the exterior wall and window, serve as optimization objectives. The optimization is carried out under the ideal air conditioning system, considering different energy usage patterns. Meanwhile, comparing with the vague and restricted expression of objectives in multi-objective optimization, the proposed GP-based optimization method provides explicit trade-off relationships among various objectives for designers, which improves the practical value of the optimized designs, so as to ensure the project success and facilitate the development of green buildings.

Building Energy-Efficiency Running Mode of Large-Scale Public Building: Based on Energy Performance Contracting

2011 ◽  
Vol 368-373 ◽  
pp. 3663-3666
Author(s):  
Qi Song ◽  
Xiao Jie Zhang
Keyword(s):  
Energy Efficiency ◽  
Energy Saving ◽  
Large Scale ◽  
Building Energy ◽  
Energy Performance ◽  
Building Energy Efficiency ◽  
Public Building ◽  
Performance Contracting ◽  
Energy Performance Contracting ◽  
Running Mode

Energy performance contracting plays a key role in improving the building energy-efficiency in China. This paper introduces the current situation of energy-efficiency of large-scale public building in China and provides an overview of energy performance contracting, and then puts forward an innovative energy-efficiency running mode. This paper tries to offer theoretical references for the development of EMC in energy-saving field of large-scale public buildings.

Development of an Integrated Performance Design Platform for Residential Buildings Based on Climate Adaptability

Energies ◽  
2021 ◽  
Vol 14 (24) ◽  
pp. 8223
Author(s):  
Zhixing Li ◽  
Mimi Tian ◽  
Yafei Zhao ◽  
Zhao Zhang ◽  
Yuxi Ying
Keyword(s):  
Energy Efficiency ◽  
Life Cycle Cost ◽  
Residential Buildings ◽  
Building Energy ◽  
Building Envelope ◽  
Design Stage ◽  
Design Parameters ◽  
Building Energy Efficiency ◽  
The World ◽  
Integrated Performance

Building energy waste has become one of the major challenges confronting the world today, so specifications and targets for building energy efficiency have been put forward in countries around the world in recent years. The schematic design stage matters a lot for building energy efficiency, while most architects nowadays are less likely to make energy efficiency design decisions in this stage due to the lack of necessary means and methods for analysis. An integrated multi-objective multivariate framework for optimization analysis is proposed for the schematic design stage in the paper. Here, the design parameters of the building morphology and the design parameters of the building envelope are integrated for analysis, and an integrated performance prediction model is established for low-rise and medium-rise residential buildings. Then, a comparison of the performance indicators of low-rise and medium-rise residential buildings under five typical urban climatic conditions is carried out, and the change patterns of the lighting environment, thermal environment, building energy demand, and life cycle cost of residential buildings in each city under different morphological parameters and design parameters of the building envelope are summarized. Specific analysis methods and practical tools are provided in the study for architectural design to ensure thermal comfort, lighting comfort, low energy consumption, and low life-cycle cost requirement, and this design method can inspire and guide the climate adaptation analysis and design process of low-rise and medium-rise residential buildings in China, improve architects’ perception of energy-saving design principles of low-rise and medium-rise residential buildings on the ontological level, as well as provide them with a method to follow and a case to follow in the actual design process.

scholarly journals Thermal bridges in building envelopes – An overview of impacts and solutions

2018 ◽  
Vol 9 (1) ◽  
pp. 31-40 ◽  
Author(s):  
A. Alhawari ◽  
P. Mukhopadhyaya
Keyword(s):  
Experimental Studies ◽  
Building Energy ◽  
Energy Performance ◽  
Building Energy Efficiency ◽  
Thermal Bridge ◽  
Thermal Bridges ◽  
Thermal Bridging ◽  
Negative Impacts ◽  
The Impact

Increasing building energy performance has become an obligatory objective in many countries. Thermal bridge is a major cause of poor energy performance, durability, and indoor air quality of buildings. This paper starts with a review of thermal bridges and their negative impacts on building energy efficiency. Based on published literatures, various types of building thermal bridges are discussed in this paper, including the most effective solutions to diminish their impacts. In addition, various numerical and experimental studies on the balcony thermal bridge are explored. Results show that among all types of thermal bridges, the exposed balcony slab produces the most challenging thermal bridging problem where an integrated thermal and structural design is required. Using low thermal conductivity materials in building construction could help in reducing the impact of thermal bridges. Finally, further investigations are needed to develop more innovative and effective solutions for the balcony thermal bridge.

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