Introduction. Chinese solar greenhouses (CSG) are unique facility agriculture buildings which widely used in northeastern China. It can provide a favorable environment for crop growth under severe external climate conditions so as to achieve annual production [1–3].The CSG has the remarkable advantages in term of passive energy storage …
Solar greenhouses are agricultural facilities that use solar energy for growing vegetables. The thermal characteristics of a solar greenhouse wall have an important influence on the creation of the microclimate in the greenhouse and improving the heat storage capacity ...
Heat transfer characteristics of active heat storage in greenhouse and passive heat storage of the back wall. Analysis of indoor monthly temperature in two greenhouses (31 January 2021 9:00-28 Feb ...
To improve the construction methods of Chinese solar greenhouse wall to enhance the heat storage, we proposed a three-layer wall with phase-change materials, …
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 …
Guan Y et al. [40] developed an active-passive phase change heat storage wall energy storage system using paraffin as a phase change material. Through experiments and numerical simulations, the heat storage and release performance of the energy storage device and the wall''s internal temperature variation under different wind …
Guan et al. (2023) designed a new greenhouse wall that combined micro-heat pipe array and PCMs, which increased the thermal ... two separate energy storage systems for supplying electricity and hot water for 500 …
Abstract: The use of renewable energy for food and vegetable production is a potential sustainable method to reduce fossil energy consumption. Chinese solar …
PDF | On Nov 1, 2022, Yanfei Cao and others published Analysis of the thermal performance of the novel assembled Chinese solar greenhouse with a modular soil wall in winter of ...
Tong Guohong, David M. Christopher. Temperature variations in energy storage layers in Chinese solar greenhouse walls [J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2019, 35 (7): 170-177. DOI: 10.11975/j.issn.1002-6819.2019.07.021.
The modular heat storage wall is a new type of solar greenhouse wall structure, which has the advantages of fast construction and good heat storage ability. This study provides data reference and practical value for producing modular heat storage wall in the construction of a solar greenhouse. In this paper, we used different heat storage …
Its solar energy storage capacity was 1200 kJ/m 2 ... Thermal performance test of solidified sand heat storage wall in Chinese solar greenhouse. Trans. CSAE, 33 (9) (2017), pp. 187-194 ... Performance analysis of a latent heat storage system with phase change material for new designed solar collectors in greenhouse heating. Sol. Energy, …
Advances in Net-zero energy greenhouses and their heat storage are presented. • Geothermal heat can save primary energy in greenhouses by more than 20%. • Use of STES systems can improve the indoor air temperature by 3–5 °C. • PCMs mitigate the energy consumption of net-zero energy greenhouses by 30–40%. •
The energy storage unit inside the greenhouse, which contained 1650 kg of PCM, absorbed excess energy from warm air inside the greenhouse during the daytime. The energy storage unit outside the greenhouse contained 1376.4 kg of PCM and two solar air collectors with a surface area of 8.55 m 2 each. The results of the study …
Greenhouse energy consumption was categorized into four modules: air temperature altering energy, convection energy, conduction energy and ventilation …
Solar thermal energy can be stored as sensible heat in low-cost materials such as water, rocks, soil, etc. The most common heat storage medium includes air [10,11], soil [12,13], water [14, 15 ...
Experimental study of the thermal characteristics of a heat storage wall with micro-heat pipe array (MHPA) and PCM in solar greenhouse Energy, 264 ( 2023 ), Article 126183, 10.1016/j.energy.2022.126183
A new type of assembled multilayer wall that can be used in Chinese solar greenhouses is developed. • The heat transfer path of the new type of wall is one-way. • The heat storage and release of the new type of wall is …
This study takes one solar greenhouse of a vegetable planting base in Beijing district as the research object, and a new composite Phase Change Material …
It decreases from 60,3% to 14,7% inside the solar greenhouse with thermal storage from 49,6% to 15,5% in solar greenhouse without thermal storage and from 90% to 60% in open sun. Lower relative humidity always enhances the drying process as there will be higher tendency to remove moisture from the product as reported by Jain et al. [ 29 ].
Chinese solar greenhouses are unique facility agriculture buildings and widely used in northeastern China, providing a favorable requirement for crop growth. The north wall configurations play an essential role in heat storage and thermal insulation and directly affect the management of the internal environment. This research is devoted to …
The Thermal Properties of an Active–Passive Heat Storage Wall System Incorporating Phase Change Materials in a Chinese Solar Greenhouse Yong Guan 1,2, *, Yan Chen 1, Lu Zhou 1, Zhixiong Wei 1, Wanling Hu 1,2 and Yuchao Yang 1 1 School of
Solar wall utilizing solar energy for heating can reduce carbon emissions and achieve carbon neutrality. In the aspect of solar wall research, the influence of wall …
To verify the thermal characteristics of the proposed wall and its improvement effect on the greenhouse microclimate thermal environment, a small-scale south-north MHPA heat storage wall greenhouse (i.e., the MHPA greenhouse) and a small-scale ordinary brick wall greenhouse (i.e., an ordinary greenhouse) were built on …
This study aims to improve the temperature of the thermal stable layer, and thereby promoting the heat storage capacity of north walls in a solar greenhouse. A new type of wall was proposed for ...
Carbon emissions from energy use are the largest source of greenhouse gas emissions, accounting for around 65% of all greenhouse gas emissions. ... and the limitations and applicability of the composites on phase change heat storage wall panels were clarified ... Developed PCM for the use as a new energy storage material in solar …
To develop the utilization ratio of solar energy in solar greenhouses during winter, the active-passive ventilation wall with latent heat storage (APVW-L) was introduced and could be integrated ...
Section snippets Passive design methods of the solar greenhouse. In Fig. 1, the spatial parameters in the solar greenhouse''s passive solar design mainly include ridge height (H), span (L), north wall height (H w), and the horizontal projection length of the north roof (C).The north wall of the solar greenhouse serves multiple functions, such as …
Downloadable (with restrictions)! Solar greenhouses are agricultural facilities that use solar energy for growing vegetables. The thermal characteristics of a solar greenhouse wall have an important influence on the creation of the microclimate in the greenhouse and improving the heat storage capacity of the wall materials can prevent freezing damage of …
Most related items These are the items that most often cite the same works as this one and are cited by the same works as this one. Sun, Weituo & Wei, Xiaoming & Zhou, Baochang & Lu, Chungui & Guo, Wenzhong, 2022. "Greenhouse heating by energy transfer between greenhouses: System design and implementation," Applied Energy, Elsevier, vol. 325(C).
PDF | On Nov 1, 2022, Yanfei Cao and others published Analysis of the thermal performance of the novel assembled Chinese solar greenhouse with a modular soil wall in winter of Yinchuan, China ...
The concept of stored excess energy inside the greenhouse, such as the use of the rock beds [], has been developed due to the need of developing heating systems for greenhouse based on renewable energy sources.Bouadila et al. [14••] carried out an experimental study of two insulated solar greenhouses.One greenhouse was attached …
Introduction Chinese solar greenhouse (CSG) is a unique type of horticultural facility in northern China, with the characteristics of high efficiency, energy saving and low cost [[1], [2], [3]]. According to statistics, as of 2019, the CSG area in China reached 570,000 ha ...
To develop the utilization ratio of solar energy in solar greenhouses during winter, the active-passive ventilation wall with latent heat storage (APVW-L) was introduced and could be integrated ...
New design concept and thermal performance of a composite wall applied in solar greenhouse. Tianyang Xia, Ming He, +4 authors. Tianlai Li. Published in Energy 1 …
In order to improve heat storage capacity of the wall interior, Rodrigues and Aelenei (2010) have developed a naturally ventilated cavity wall, which helps to increase the wall interior temperature efficiently lewski et al. (2012) have performed an exploration on the behavior of a small-scaled Trombe composite solar wall that consisted …
Phase-change wall panels can absorb and transfer solar energy resources, effectively increase the air temperature in the phase-change greenhouse at night, and improve the heat storage and thermal insulation performance of …