China''s greenhouse industry has undergone thousands of years of development history, although the development of modern greenhouses arrived late. After decades of development in China, its greenhouse industry is at the global forefront. China''s greenhouse industry is experiencing rapid development, transformation, and upgrading. China ranks first in …
In order to further improve the utilization of solar energy in Chinese Solar Greenhouse (CSG), this paper systematically studied the effects of orientation and structure on solar radiation interception in CSG. A solar radiation model has been developed based on the previous research, which taking solar motion law, meteorological data, and optical properties of …
This study focuses on the ventilation analysis of solar greenhouse with symmetrical flat pitched roof and ... There is a lag effect in the response of the temperature field in the wall to the ...
A Chinese solar greenhouse (CSG) is a highly efficient and energy-saving horticultural facility. ... Contours of internal wind speed field of greenhouses with (a) top, (b) back roof and (c) top + back roof ventilation …
A Chinese solar greenhouse (CSG) is used as a horticultural facility that provides high efficiency thermal storage performance to produce vegetables in winter. Quantifying the thermal performance of the surrounding structure including the back roof, soil, and north wall is helpful to improve the thermal performance of the CSG. The objectives of this study were to …
The STC collectors can also be applied on the north wall of Chinese solar greenhouses to collect solar energy during the day and release heat in the greenhouse at night, as shown in Fig. 8 (a). Xu et al. (2020) investigated an active STC system with a water storage system that stored solar energy during the day and heated the 400 m 2 Chinese solar …
This study aims to provide information and theoretical support for the development planning of facility agriculture in desert areas. Using sensor monitoring, USB cable, and computer connection record, we measured the …
Analysis of spatial and temporal characteristics of wind disaster risk of solar greenhouse in Wuqing District of Tianjin Meteorological and Environmental Sciences., 42 ( 2 ) ( 2019 ), pp. 62 - 67 (in Chinese with English abstract)
This paper confirms that the Chinese Solar Greenhouse (CSG) design is an energy-saving and low-cost design technology that combines solar energy input and …
1. Introduction Solar greenhouse cultivation is a technology that originated in the 13th century and has since evolved into a commercial-scale operation. With an estimated 496,800 hectares of greenhouse vegetable production in 2019 (), 80% of which is located in China, Spain, the Republic of Korea, Japan, Türkiye, Italy, Morocco, and France (), solar greenhouses …
DOI: 10.1016/j.enbuild.2022.112648 Corpus ID: 253496624 Thermal environment model construction of Chinese solar greenhouse based on temperature–wave interaction theory @article{Zhang2022ThermalEM, title={Thermal environment model construction of ...
Semantic Scholar extracted view of "Photovoltaic/spectrum performance analysis of a multifunctional solid spectral splitting covering for passive solar greenhouse roof" by Qianlei Ma et al. DOI: 10.1016/j.enconman.2021.114955 Corpus ID: 243837756 Photovoltaic ...
A prevalence study program, known as the Solar Greenhouse and Field Workers Study (SGFW study), was conducted in northwestern China among individuals involved in solar greenhouse vegetable cultivation or field farming. Solar greenhouse and field workers were enrolled in this study, all of whom participated in the routine health check program ...
Field tests were conducted to test diurnal variations of temperature, relative humidity, and solar radiation and to analyze the microclimate characteristics in naturally ventilated single-sloped greenhouses of different sizes.
The distribution law of the temperature field and relative humidity field of the solar greenhouse under three different working conditions is simulated, that is, the insulation is uncovered and ...
A parameter analysis was performed on the nonlinear autoregressive exogenous (NARX ) neural network, and a solar greenhouse temperature time series prediction model was established using the NARX ...
Download Citation | Analysis on insulation performance of sunken solar greenhouse based on CFD | To learn more about sunken solar greenhouse insulation performance, the air temperature field ...
An analysis on the performance evaluation of the different solar cells used in photovoltaic module integrated with greenhouse dryer is summarised based on the solar cell temperature, solar efficiency, thermal and electrical energy gain as given in Table 6. It is observed that the a-Si solar cell reported higher solar cell temperature and c-Si ...
This study analyzes the performance of a Venlo solar greenhouse for 48 localities around the world. Solar greenhouses are mainly made of a transparent envelope and …
Search 221,633,110 papers from all fields of science Search Sign In Create Free Account DOI: 10.1016/j.solener.2022.03.013 Corpus ID: 247417702 Towards the maximization of energy performance of an energy-saving Chinese solar greenhouse: A systematic ...
The solar greenhouse is a typical greenhouse type in northern China. It provides a favorable environment for the growth of various plants and extends cultivation periods for almost a whole year to achieve a high yield. ... Field test and analysis of microclimate in naturally ventilated single-sloped greenhouses. Energy and Buildings, 138: 479 ...
The model adequately simulated the internal greenhouse microclimate using outside climate data including incident solar radiation, cover transmittances and greenhouse …
DOI: 10.1016/J.EAEF.2016.07.003 Corpus ID: 138459644 Analysis of heat transfer properties of hollow block wall filled by different materials in solar greenhouse @article{Wang2017AnalysisOH, title={Analysis of heat transfer properties of hollow block wall filled by different materials in solar greenhouse}, author={Junwei Wang and Shuhai Li and Shi-rong Guo and Chengwei Ma and …
The solar greenhouse is a typical greenhouse type in northern China. It provides a favorable environment for the growth of various plants and extends cultivation periods for almost a whole year to achieve a high yield. However, indoor environmental control is primarily based on growers'' experience, and the objective test data required for the complex climate control and …
Experimental studies were conducted on the cultivation of tomatoes (Solanum lycopersicum L.) at Shandong Agricultural University, China, from 2022 to 2023. Three cultivation patterns were designed as follows: a north–south orientation with a row spacing of 1.40 m (NS-1.4m), a north–south orientation with a row spacing of 1.80 m (NS-1.8m) and an east–west …
In most previous studies, relative humidity has been emphasized in the study of greenhouses. Litagoet et al. [13] estimated and forecasted the temperature and humidity distribution of a naturally ventilated greenhouse based on time series models. Zanan [14] suggested that humidity is mainly induced by transpiration and evaporation from irrigation …
Citation: Wang S, Bian T, Wu T, Zhang Y, Awais M, Fu H and Sun Z (2022) Co-analysis of cucumber rhizosphere metabolites and microbial PLFAs under excessive fertilization in solar greenhouse. Front. Microbiol . 13:1004836. doi: 10.3389/fmicb.2022.1004836
2.3. Solar greenhouse introduction By adopting three typical solar greenhouses with different heat-retaining capacities, this research conducts comparison and analysis on the low temperature disaster risk of cucumber for different development phases in three ...
Field tests were conducted to test diurnal variations of temperature, relative humidity, and solar radiation and to analyze the microclimate characteristics in naturally …
In this study, a new type of a solar greenhouse named sunken solar greenhouse (SSG), where the inside soil surface is lowered 1–2 m below outside and the back wall is 5–8 m width at the bottom ...
During the experiment, a meteorological station (TYD-ZS2 type environmental data recorder, with instrument temperature measurement accuracy ±0.1 C, measuring range −40 to 80 C, wind speed accuracy 0.1 m/s, measuring range 0–70 m/s, wind direction accuracy 1, measuring range 0–360 ) was installed outdoors 15 m from the greenhouse to measure the …
This research paper describes the development and analysis of a 100 kg capacity greenhouse solar dryer designed to produce high-quality dried products. The greenhouse is effective in raising the temperature within it to 10–14 °C higher than ambient temperature and the tested products dry at a much shorter duration when compared to drying in the open sun.
In the study of solar greenhouses, microclimate, soil, and back walls have an important influence on the greenhouse thermal environment because of their good heat storage and release characteristics. The transpiration of crops makes indoor humidity increase sharply, which is the main factor affecting indoor humidity distribution. Therefore, it is of great …
greenhouse solar dryer prototype 2. Field testing of the performance of solar dryer prototypes 3. Laboratory analysis of quality of dried cas-sava products Output Greenhouse solar dryer for food safe cassava products that can mini-mize entry of insects, that uses
A numerical simulation model of a natural ventilation greenhouse is helpful for improving the production and quality of greenhouse crops in tropical areas. Field experiments show that the mean coefficient of variation of indoor light intensity in four seasons was lower than 10.0%. The highest indoor temperature reached 39.3 °C during summer, while the average …
Solar greenhouses are currently the most energy-intensive agricultural sector. In literature, there is no worldwide mapping of solar greenhouse performance under different climate scenarios. This study analyzes the performance of a Venlo solar greenhouse for 48 ...
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