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Numerical calculation and experimental analysis of thermal environment in industrialized aquaculture facilities

文献类型： 外文期刊

作者： Yang, Zhipeng 1 ; Li, Desheng 1 ; Song, Jiashuai 1 ; Bao, Encai 2 ; Wang, Qiang 1 ; Qiu, Yue 1 ; Wu, Zhaoxue 1 ;

作者机构： 1.Anhui Agr Univ, Coll Engn, Hefei, Anhui, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Key Lab Facil Agr Engn Middle & Lower Reaches Yang, Minist Agr & Rural Affairs, Nanjing, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.7； 五年影响因子：3.8 ）

ISSN： 1932-6203

年卷期： 2023 年 18 卷 9 期

页码：

收录情况： SCI

摘要： With the increasing market demand for high-quality aquatic products, the application of industrialized aquaculture facilities may get more attention. In order to improve the poor performance of thermal insulation, the accuracy of the numerical model was verified in this study through actual measured data. The model verification results shown that the average relative errors of the measured and calculated values of indoor air temperature, water temperature and roof inner surface temperature in the industrialized aquaculture workshop is within 2.5%, it suggested that the numerical calculation results are accurate. Furthermore, the thermal environment and thermal insulation performance of industrialized aquaculture facilities in winter were conducted based on the numerical calculations. After optimized the thermophysical parameters of the workshop enclosure structure, we found that the water body temperature could reach 21 degrees C (which was close to the breeding temperature of grouper (Epinephelinae). Therefore, the numerical calculation method was further used to analyze the energy consumption of aquaculture water in January of a typical year in this area by heating to three constant temperatures (22, 25, and 28 degrees C). When the aquaculture water was heated to the three constant temperature states, it needed to consume 8.56x10(5), 1.02x10(6) and 1.22x10(6) MJ of energy respectively, which were equal to the amount of energy released by the complete combustion of 29.3, 35.1 and 41.8 t standard coal. Moreover, it is concluded that the artificial temperature increase in winter maintains the temperature in the range of 22 similar to 25 degrees C to provide the highest heating efficiency. This conclusion can provide theoretical basis and application reference for industrialized aquaculture in winter.

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