China energy storage building ventilation
Thermal insulation performance of buildings with phase-change energy
Latent heat energy-storage is a commonly used heat energy-storage method in buildings (Zhussupbekov et al., 2023; The indoor temperature and per capita ventilation of the building are shown in Table 5. China building energy consumption and carbon emissions research report.
Review on thermal performance of phase change energy storage building
Improving the thermal performance of building envelope is an important way to save building energy consumption. The phase change energy storage building envelope is helpful to effective use of renewable energy, reducing building operational energy consumption, increasing building thermal comfort, and reducing environment pollution and greenhouse gas
Seasonal thermal energy storage using natural structures: GIS
Seasonal thermal energy storage (STES) allows storing heat for long-term and thus promotes the shifting of waste heat resources from summer to winter to decarbonize the district heating (DH) systems. Despite being a promising solution for sustainable energy system, large-scale STES for urban regions is lacking due to the relatively high initial investment and
Ventilative Cooling in Combination with Passive Cooling
Latent thermal energy storage (LTES) can provide more energy per volume than a sensible thermal storage system, making LTES a promising solution for buildings either integrated into building envelope (passive LTES) or in ventilation systems (active LTES) to reduce cooling demand. Figure 7.15 shows the nighttime ventilation potential for
Review on thermal performance of phase change energy storage building
The consumption of energy storage in the building through PCMs helps achieve net zero goals through a reduction in CO 2 emission [305]. The consumption of electrical energy changes substantially
Analysis on night ventilation effect of buildings with
Analysis on night ventilation eff ect of buildings with different energy consumption levels in Shenyang Li Xiaoxu1, Huang Kailiang1*, Feng Guohui1, Jing Danyang1, Liu Dan1, Li Jiawei1 1School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China; Abstract. In this paper, the effects of night natural ventilation on indoor thermal
Application of PCM-based Thermal Energy Storage System in Buildings
This review paper critically analyzes the most recent literature (64% published after 2015) on the experimentation and mathematical modeling of latent heat thermal energy storage (LHTES) systems in buildings. Commercial software and in-built codes used for mathematical modeling of LHTES systems are consolidated and reviewed to provide details
Energy efficiency approaches in archives and library buildings in China
In China, there are more than 4,000 km 2 of rural and urban building areas of which 95 % are high energy consumption buildings. The energy consumption of these buildings accounts for 28 % of the national total (Wang and Wang 2007).Non-residential buildings, which usually have higher energy consumption levels than residential buildings, account for 70 % of
Air Conditioning with Natural Energy
In the northern regions of China, ground-source–based heating and air conditioning systems are highly regarded for their efficiency and energy-saving capabilities, as they utilize renewable energy sources. This case study focuses on the Antaeus dynamic energy-saving demonstration building, an office building located in the city of Jinan, China.
Climatic and seasonal suitability of phase change materials
PDF | On Aug 12, 2019, Jiang Liu and others published Climatic and seasonal suitability of phase change materials coupled with night ventilation for office buildings in Western China | Find, read
Application and suitability analysis of the key technologies in
Problems of global warming, environmental deterioration and energy consumption have become the primary concerns of the world. In responses to these issues, the mission of "energy conservation and emission reduction" has formed and carried out [1].Energy is mainly consumed in three sectors including industry, transportation and construction, in which
Thermal storage performance of building envelopes for nearly
Adapting to the local climate is the key to developing nearly-zero energy buildings (NZEBs). During cooling season in Western China, the climate conditions are characterized by a large daily temperature range and high solar radiation, and improving the thermal storage performance of buildings is an effective passive cooling design strategy for NZEBs.
Optimization and sensitivity analysis of design parameters for
Ventilation system with thermal energy storage (TES) using phase change materials (PCMs) can be employed to save energy in buildings, which stores outdoor coldness in the PCMs at night and releases this energy to cool down the fresh ventilation air during the daytime. However, its performance depends on the design parameters. This paper presents a
Investigation of natural ventilation performance of large space
Large space circular coal storage dome (LSCCSD) offers an environmental and dependable alternative to open stockpiles, and it has been consequently widely applied in China. However, due to the lack of scientific guidelines, its natural ventilation performance is lower than expected. Natural ventilation potential strongly depends on the roof geometry and
Dynamic forecast of cooling load and energy saving potential
Combining natural and mechanical ventilation, hybrid ventilation is an effective approach to reduce cooling energy consumption. Although most existing control strategies for HVAC systems with hybrid ventilation provide acceptable operation results, there still often exists a mismatch of demand and response from sensing, decision making, and operating.
Climatic and seasonal suitability of phase change materials
From 2000 to 2014, the energy consumption by the building sector in China increased from 0.289 to 0.819 billion tons of standard coal [1] 2020, more than 35% of the total energy consumption is predicted to come from the building sector in China [2].Thus, various design strategies have been proposed and developed for building energy conservation in order to reduce the building
A review on research and development of passive building in China
With rapid economic growth, the energy consumption and carbon emissions in China have both become the highest in the world since 2009. Building was among the three main energy consumption sectors other than industry and transportation [1] 2016, the building primary source energy consumption in China was 3.63×10 11 kWh, accounting for 20.62% of
Natural Ventilation for Cooling Energy Saving: Typical Case of
Natural ventilation shows high application potential in public buildings because of its highly efficient ventilation effect and energy-saving potential for indoor heat dissipation.
Natural Ventilation Potential in China and its Impact on
The utilization of natural ventilation in China reveals a substantial potential to save energy. Predicting the NV potential is essential to building design, energy consumption assessment,
Energy saving potential of a ventilation system with a latent heat
According to their results, in the optimised scenario (the inlet air temperature of 55 °C, the air velocity of 3 m/s, and the inclination angle of 90°), the maximum energy storage capacity was 97.2 W h with an energy charging speed of 109.4 W. Chen et al. [30] investigated the energy saving potential of a ventilation system with latent energy
Review of phase change heat storage and night ventilation
Then, the effects of ventilation opening, ventilation rate and thermal storage capacity on indoor thermal environment were analyzed. the results show that 1) the ventilation rate is nearly linear
Optimizing energy efficiency in HSCW buildings in China through
The current global energy scarcity challenges and the urgent need to enhance building sustainability have emphasized the utilization of energy storage systems as a highly promising approach. This study assesses the energy, economic, and environmental (3E) potential of thermal, electricity and hydrogen storage systems in promoting the
Energy saving potential of natural ventilation in China: The
Depending on the local weather and air quality of each city, 8–78% of the cooling energy consumption can be potentially reduced by natural ventilation. Beijing shows a limited per
Climatic and seasonal suitability of phase change materials
Downloadable (with restrictions)! Phase change material (PCM) coupled with night ventilation (NV) is regarded as a promising cooling strategy. The suitability of PCM coupled with NV in transition and hot seasons of 10 cities in Western China was investigated based on a non-air-conditioned office building. The optimum phase change temperature (PCT) and the cooling
Potential of ventilation systems with thermal energy storage
Chen et al. [77] examined the effect of combined night ventilation and thermal energy storage using PCM to reduce the energy consumed for space cooling in an office building. In their simulation
Wall-Attached Night Ventilation Combined with Phase Change
Night ventilation is regarded as a promising cooling strategy by storing night cooling in the thermal mass of the building. However, night ventilation performance in hot summer is restricted by the climatic limits. In this paper, we propose a new solution as the integration of wall-attached night ventilation (WANV) and phase change material wallboard (PCMW). The
Potential of ventilation systems with thermal energy storage
This paper studies the potential application of ventilation systems with thermal energy storage (TES) using phase change materials (PCMs) for space cooling in air conditioned buildings during the summer. A south-facing middle office room located in Beijing, China is considered for study. To simulate the indoor thermal environment and energy consumption of
Ventilation and Energy Performance of Buildings | SpringerLink
EN 16798-3:2017: Energy performance of buildings. Ventilation of buildings. For non-residental buildings. Performance requirements for ventilation and room conditioning system; CEN 2017. Google Scholar CEPHEUS, cost efficient passive houses as European standards: Mehrfamilienhaus Salzburg – Gnigl; THERMIE, Project nr.
Thermal energy storage in building integrated thermal systems
Thermal energy storage (TES) is one of the most promising technologies in order to enhance the efficiency of renewable energy sources. TES overcomes any mismatch between energy generation and use in terms of time, temperature, power or site [1].Solar applications, including those in buildings, require storage of thermal energy for periods ranging from very
Towards zero-energy buildings in China: A systematic literature
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, 2019).The energy consumption in the
China Energy Program | International Energy Analysis
The China Energy Outlook (CEO) provides a detailed review of China''s energy use and trends. China is the world''s largest consumer and producer of primary energy as well as the world''s largest emitter of energy-related carbon dioxide (CO 2) ina surpassed the U.S. in primary energy consumption in 2010 and in CO 2 emissions in 2006. In 2018, China was responsible
6 FAQs about [China energy storage building ventilation]
Can natural ventilation save energy?
The utilization of natural ventilation creates tremendous energy saving potential, reducing the emissions associated with coal-fired power generation, especially in North China. In addition, the inte-gration of natural ventilation to office buildings would result in lower initial construction costs as a result of downsizing HVAC sys-tems.
Can natural ventilation improve the cooling and energy-saving potential of a museum?
The chosen study case here is a typical science museum, with a total building area of 11,447 m 2, a volume of 55,726.81 m 3, and shape coefficient of 0.30 (Table 1). The technology museum implemented several strategies to enhance the cooling and energy-saving potential through natural ventilation.
How does natural ventilation affect energy consumption?
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 energy consumption by 0.1 kWh/m 2 compared to the baseline building.
What is the energy consumption of buildings in China?
Energy consumption in the building sector in the United States and the European Union is about 40 %, while in China, it is 27.3 % [, , ]. The energy intensity of buildings in China is much lower than in the United States and the European Union, where the most significant influence in China is related to the industrial sector .
How does ambient air pollution affect natural ventilation potential in China?
Natural ventilation potential is affected largely by ambient air pollution in China. NV hours of 76 Chinese cities based on weather and ambient air quality are estimated. Cooling energy savings and carbon reductions of 35 major Chinese cities are estimated. 8–78% of the cooling energy usage can be potentially reduced by NV.
How can natural ventilation be used for space cooling under local climatic conditions?
The floor layout, building orientation, and internal structure are optimized to make full use of natural ventilation for space cooling under local climatic conditions. The natural ventilation model is established through computational fluid dynamics (CFD) for airflow evaluation under indoor and outdoor pressure differences.
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