Introducing Degree Days to Building Thermal Climatic Zoning in China
Building thermal climatic zoning is a key issue in building energy efficiency. Heating degree days (HDD) and cooling degree days (CDD) are often employed as indexes to represent the heating and cooling energy demand in climatic zoning. However, only using degree days may oversimplify the climatic zoning in regions with …
A Review of Building Energy Retrofit Measures, Passive Design
Retrofitting buildings to achieve improved levels of energy performance is a key strategy in the transition to a low-/net zero carbon future. In China, there has been an enormous growth in residential construction in recent decades in response to the country''s economic development and population growth. However, although these buildings are …
Energy-Saving Design Strategies of Zero-Energy Solar …
This study focused on the 15 entries in the third Solar Decathlon China. It summarized their energy-saving design strategies into strategies of architectural design, equipment management, energy …
Net-Zero Energy Consumption Building in China: An Overview of …
Among them, this program takes the lead in adopting photovoltaic energy-saving curtain wall technology to achieve a multi-dimensional integrated application of …
Can the ASHRAE Standard 169 zoning method be applied to
In current building thermal climate design zones of China, the zoning indicators only include temperature elements without considering the regional difference of air humidity. Therefore, building thermal design strategies in continental climate zone with low relative humidity and marine climate zone with high relative humidity cannot be …
Energy Efficiency in Sustainable Buildings: A ...
Sustainable buildings have become a key issue for many developing and developed countries in the twenty-first century. The global population is expected to rise from 7.7 billion in 2019 to 9.7 billion in 2050 and will reach more than 10.9 billion by the end of this century [1].This increase in the global inhabitants will correspondingly increase the …
Scheme Design and Energy-Saving Optimization of Cold and Heat Energy …
In the context of global climate change, the implementation of building energy conservation and carbon reduction, as well as the realization of zero-energy buildings, is a key measure to cope with climate change and resource depletion. A substation is an indispensable building in the process of urbanization construction. …
Buildings | Free Full-Text | Passive Energy-Saving Optimal Design …
The rural residences of Northwest China are characterized by a state of high energy consumption and low comfort due to the limited economic level and awareness of energy-saving compared with the urban residences. To remedy this, appropriate passive design strategies should be adopted first, in order to provide a design mode with low …
Influence of Different Forms on BIPV Gymnasium Carbon-Saving …
In this study, the influence of the gymnasium building form on energy consumption and photovoltaic (PV) potential was investigated to address its high energy consumption and carbon emissions issues. Five cities in different climate zones in China (Harbin, Beijing, Shanghai, Guangzhou, and Kunming) were selected as case study …
The Applicability of the Current Thermal Climate Zones for Building ...
This study aims to provide a theoretical foundation for developing climate classification for building energy-saving in China. The current thermal climate zoning mothed was evaluated by using the mean deviation to assess its applicability on guiding building energy-saving design in China by using the latest weather data measured …
Energy-saving optimization based on residential building …
solar resources according to China''s solar resource zoning; however, the solar radiation intensity varies ... At present, energy-saving building design involves many technical factors, from ...
Virtual energy-saving environmental protection building design …
Energy consumption, monitor, and the control are key prerequisites for an energy conservation process. When energy consumption occurs is known by the users and exactly where it takes place and able to make more informed decisions about how to lower their energy consumption. Renewable energy and optimization of energy are integrated …
China''s green building revolution: Path to sustainable urban futures
Implemented advanced energy monitoring platform, achieved 20 % energy savings in 32 buildings. Energy monitoring, optimization of building operations. Demonstrates potential of data-driven approaches in urban energy conservation. Mini Sky City, Hunan: Constructed in 19 days using prefabricated technology, eco-friendly …
Country-level meteorological parameters for building energy …
Accurate basic data are necessary to support performance-based design for achieving carbon peak and carbon neutral targets in the building sector. Meteorological parameters are the prerequisites of building thermal engineering design, heating ventilation and air conditioning design, and energy consumption simulations. Focusing on the key …
Design, fabrication and energy-saving evaluation of five-layer ...
Design, fabrication and energy-saving evaluation of five-layer structure based transparent heat mirror coatings for windows application. ... Solar Energy, 86: 3183–3189. Article Google ... (2015). Energy assessment of office buildings in China using China building energy codes and LEED 2.2. Energy and Buildings, 86: 514–524. …
Multi-objective optimization design for windows and shading ...
1. Introduction1.1. Background. Nowadays, building accounts for 30%–40% of the total primary energy demand in the world (Sun et al., 2018), and with the improvement of people''s living requirements and the increase of population, building energy consumption will continue to rise in the future is generally agreed that the early …
Natural Ventilation for Cooling Energy Saving: Typical …
Since natural ventilation mainly affects air conditioning energy consumption in terms of energy saving, the design building reduces cooling energy consumption by 8.54 kWh/m 2 and heating …
Integration of passive double-heating and double-cooling system …
The targets on the residential building energy saving in China''s 13th Five Year Plan (2016–2020) are as follows: (1) for the residential buildings, over 5 billion m 2 of the built floor area needs to be achieved the energy efficient refurbishment; and (2) energy saving rate in the residential building stock needs to be improved by no less ...
Towards zero-energy buildings in China: A systematic literature review
Introduction. Although China is a developing country, its energy consumption has exceeded that of the USA and is now the highest in the world. The primary energy consumption in China reached 3.86 × 10 7 GWh in 2018, accounting for 22% of the world''s total primary energy consumption and being 1.42 times that of the USA (IEA, …
A nearly zero energy building design method based on …
1. Introduction. China''s high solar exposure area refers to an area with first-class solar energy resources, where the annual sunshine exceeds 2800 h, and the annual total radiation is above 6700 MJ/(m 2 ·a) [1].Noticeably, the area in question here belongs to the severe cold and cold regions of China in the architectural climate zone, where there …
Green building design based on solar energy utilization: Take a ...
Solar energy is a clean and pollution-free renewable energy. In this design, the integrated solar energy building design and the ordinary brick wall structure are adopted to reduce the cost. The wall adopts the insulation measures of the straw ecological composite wall [35]. Facade windows and skylights solve indoor illuminance …
A review on research and development of passive building in China
The passive architecture integrates with natural environment to minimize building energy consumption. Passive technologies are easy-to-implement and have …
Green Building Performance Analysis and Energy …
In the face of global climate change, there is a pressing and significant need to find low-carbon solutions for China''s construction industry. This research focuses on green public buildings in Dalian, a …
Optimization design generation of the rural residential building ...
The building energy saving rate for the automatically generated floor plan was consisted of three parts. (1) Improved by optimization of the functional layout, the building energy saving rates for the seven exchange routes were depicted in a excel file, of which each exchange route has 1188 combinations of 66 cities and 18 building …
Research on a Systematical Design Method for …
As a result of the impact of energy consumption, research on ultra-low energy, nearly zero-energy, and zero energy buildings has been conducted in China. However, the design of the nearly zero …
Brief Analysis of the Development and Application of Green Building …
2.1 Concept and Development of Green Buildings. 1. Definition of Green Building. Green building refers to an environmentally friendly and energy-efficient building that protects and utilizes natural resources, minimizes the impact on the environment and ecosystem, and improves user comfort and health throughout the entire …
Towards zero-energy buildings in China: A systematic literature …
Solar energy resources in China are abundant with 2/3 of the area receiving an annual solar radiation greater than 5000 MJ/m 2 (Liu, 2007). ... Specifies indicators for indoor thermal environment and building energy-saving design and comprehensive energy-saving for buildings, and proposes energy-saving design for …
Solar Energy
1. Introduction. Energy-related CO2 emissions from buildings have risen in recent years after flattening between 2013 and 2016. Direct and indirect emissions from electricity and commercial heat used in buildings rose to 10 GtCO 2 in 2019, the highest level ever recorded (IEA, 2020) 2018, global building energy consumption accounted …
Green building design based on solar energy utilization: Take a ...
1. Introduction. In recent years, energy resources and other issues have attracted widespread attention. In order to actively respond to global warming, environmental pollution and energy consumption issues, and vigorously develop green buildings, "energy saving and emission reduction" has become a global common strategic choice [1]. green …
A nearly zero energy building design method based on architecture …
China''s high solar exposure area refers to an area with first-class solar energy resources, where the annual sunshine exceeds 2800 h, ... Previous studies about Lhasa''s building heating energy saving design and indoor environment design were mainly completed by Chinese researchers. As to the heating design standards, the …
Accelerating the energy transition towards photovoltaic and wind …
Our results highlight the importance of upgrading power systems by building energy storage, expanding transmission capacity and adjusting power load at …
Analysis and Reflection on the Green, Low-Carbon, and Energy-Saving …
Shanghai Tower has become a new landmark of Shanghai. In the current trend advocating green building and energy efficiency, considerations of wind loads and thermal characteristics of the perimeter structure of Shanghai Tower are crucial. This paper conducts comparative simulation studies on the wind environment of Shanghai Tower …
A review on research and development of passive building in China
This paper firstly examines various research work on passive buildings in China, focusing on climate responsive analysis, building envelope, ventilation system, …
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Frequently Asked Questions
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What is photovoltaic energy storage?
Photovoltaic energy storage is the process of storing solar energy generated by photovoltaic panels for later use.
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How does photovoltaic energy storage work?
It works by converting sunlight into electricity, which is then stored in batteries for use when the sun is not shining.
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What are the benefits of photovoltaic energy storage?
Benefits include energy independence, cost savings, and reduced carbon footprint.
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What types of batteries are used in photovoltaic energy storage?
Common types include lithium-ion, lead-acid, and flow batteries.
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How long do photovoltaic energy storage systems last?
They typically last between 10 to 15 years, depending on usage and maintenance.
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Can photovoltaic energy storage be used for backup power?
Yes, it can provide backup power during outages or emergencies.