analysis of energy storage field in cold regions
Temperature field of long-span concrete box girder bridges in cold regions: Testing and analysis …
Located in the western city of Qiqihar City in Heilongjiang Province, the Nenjiang River Bridge on Qigan Highway bridges Qiqihar City and Gannan City, as shown in Fig. 2 (a).The box girder adopts a single-box, single-room design, with a …
Field energy performance of cold storage in East China: A case …
An extended CEC-CVE method was proposed to calculate the cooling capacity. From 4/1 to 5/31, the average DEER of cold storage at −18℃ is 1.33 kWh·kWh −1. Valley electricity use is 64.0% of the refrigeration system''s energy usage. Compressors electricity use is 67.3% of the refrigeration system''s energy usage.
IJERPH | Free Full-Text | Field Measurements and Analysis of …
Teachers and students work and study in classrooms for long durations. The indoor environment directly affects the health and satisfaction of teachers and students. To explore the performance differences between green buildings, conventional buildings, and retrofitted buildings in terms of their indoor environment, occupant satisfaction, and sick building …
Temperature field and anti-freezing system for cold-region tunnels through rock with high geotemperatures …
These numerical methods have been used to study the temperature field of tunnels in cold regions (Zeng et al., 2017, Ma et al., 2018). However, the temperature distribution of cold-region railway tunnels through rock with high geotemperatures is still poorly understood during the operation period.
Feasibility study on natural cold energy utilization in negative temperature underground space rock mass in permafrost region …
Yan [12] research seasonal storage found that in the northeast region cold energy storage time compared to other regions required less time. Zhang [ 13 ] used U-tubes for seasonal cold storage of soil in northeast China and used it as an air conditioning cold source to extract cold energy for low temperature utilization in …
A promising technology of cold energy storage using phase …
Different PCMs for cold energy storage and PCM energy storage unit are reviewed. Abstract Owing to the limitations, such as low energy efficiency, high cost, and lack of environmental friendliness, of conventional tunnel cooling methods, a novel cold energy storage technology using phase change materials (PCMs) has been proposed to …
Study on performance of solar energy interseasonal heat storage ground source heat pump system in cold region …
The analysis and design of a low cost solar collector/heat storage system configured to take advantage of the characteristics of conventional air-to-air heat pumps is presented.
Atmosphere | Free Full-Text | Frost Mitigation Techniques for Tunnels in Cold Regions…
Tunnels located in cold regions are vulnerable to frost damage resulting from the special atmosphere, which directly threatens the safety of the tunnel structure and operation. Frost problems of tunnels in cold regions have not been fundamentally resolved. This paper reviews design theory and the frost mitigation techniques currently used in the …
Journal of Energy Storage | Vol 58, February 2023
High energy density supercapattery empowered by efficient binder-free three-dimensional carbon coated NiCo2O4/Ni battery and Fe3S4@NiCo pseudocapacitive electrodes. Nilimapriyadarsini Swain, Saravanakumar Balasubramaniam, Ananthakumar Ramadoss. Article …
A state-of-the-art review of sustainable energy based freeze proof technology for cold-region …
1. Introduction Energy conservation and environmental protection are the major current problems in the world. Therefore, energy conservation in freeze-proof measures for cold-region tunnels needs to be considered. To meet the demands of economic and social ...
Review on operation control of cold thermal energy storage in …
Most of the previous reviews focus on the application of the cold storage system [26], [27], [28], some reviews present the materials used for cold storage, especially the PCM [29], [30], [31].For example, Faraj et al. [32] presented the heating and cooling applications of phase change cold storage materials in buildings in terms of both passive …
Heat storage and release performance experiment of externally hung phase change solar greenhouse in severe cold regions …
Based on the field comparative test data of 51 days in a severe cold region (Fuxin, China), the heat storage and release performance of comparative greenhouses under typical sunny, cloudy and snowy conditions is discussed from five aspects: indoor
(PDF) Numerical simulation considering the effect of uneven frost heave on tunnel structure in cold regions …
Li et al. [45] [46][47][48][49][50] analyzed the influence of wind speed and tunnel length on the temperature field in tunnels in cold regions based on experimental research and numerical ...
Thermal Bridges Monitoring and Energy Optimization of Rural Residences in China''s Cold Regions …
With the worldwide dissemination of the "green development" concept and the advancement of China''s new rural construction, the sustainable development of rural residences has gained significant attention within the construction industry. This article focuses on large-scale prefabricated insulation block houses used in China''s cold …
Heat storage and release performance experiment of externally hung phase change solar greenhouse in severe cold regions …
In order to eliminate the influence of the east and west exterior walls and entrances on the test and to facilitate the verification and evaluation of PCMs for the influence of the traditional greenhouse heat storage and release performance, the greenhouse was divided into four greenhouses of which the east and the west both …
Performance analysis of sorption thermal battery for high-density cold energy storage …
Nevertheless, the widespread deployment of cold storage like sensible cold storage and PCM-based cold storage has been impeded by the low energy/power density and huge cold loss [[6], [7], [8]]. Sorption thermal battery (STB) provides one promising solution to address those problems by its high sorption enthalpy, near zero …
Feasibility analysis and feature comparison of cold thermal energy storage …
Cold thermal energy storage (CTES) is a cost-efficient storage approach for PV powered air-conditioning systems in tropical buildings. However, the feasibility and performance of different CTESs, including chilled water storage, ice storage, PCM cooling storage, and building thermal storage, are still unclear for off-grid PV air-conditioned …
Numerical analysis of cold energy release process of cold storage …
The cold storage plates were arranged with spacing of 10 mm, 20 mm, and 30 mm and the inlet velocity was fixed at 2.4 m/s. The effect of different cold storage plate spacings on cold energy release in the storage …
Energies | Free Full-Text | Long-Term Monitoring of Sensible Thermal Storage in an Extremely Cold Region …
We present more than one-year of monitoring results from a thermal energy storage system located in a very cold place with a long winter season. The studied house is in Palmer city, Alaska (~62° N, ~149° W). The house is equipped with solar PV for electricity production and solar thermal collectors which were linked to a sensible thermal …
Temperature reduction and energy-saving analysis in grain storage: Field application of radiative cooling technology to grain storage …
Temperature reduction and energy-saving analysis in grain storage: Field application of radiative cooling technology to grain storage warehouse Author links open overlay panel Weiping Xu a, Sihong Gong a, Ningsheng Wang a, Wenbo Zhao a, Hongle Yin a, Ronggui Yang b, Xiaobo Yin c, Gang Tan d
Experimental study on temperature field characteristics of CRTS III prefabricated slab track in cold regions …
A long-term monitoring experiment was conducted to investigate the spatial and temporal variation rule of the slab track temperature in cold regions using statistical analysis methods. The sensitivity of track temperature to meteorological factors was analyzed using the finite element method. The study found that temperature, solar …
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