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1.大连大学建筑工程学院 大连 116622
2.大连理工大学土木工程学院 大连 116024
Jia Xin, female, Ph. D., associate professor, College of Civil Engineering and Architecture, Dalian University, 86-13390004838, E-mail: jiaxin851018@163.com. Research fields: heat pump and the application of renewable energy in buildings.
Received:29 March 2024,
Revised:16 May 2024,
Accepted:17 May 2024,
Published:16 August 2025
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Jia Xin, Wu Shenxin, Ning Ye, et al. Study on the Three-Dimensional Coastal Well Gas-Liquid Two-Phase Seepage Model and Related Parameters Based on COMSOL[J]. Journal of refrigeration, 2025, 46(4): 114-121.
Jia Xin, Wu Shenxin, Ning Ye, et al. Study on the Three-Dimensional Coastal Well Gas-Liquid Two-Phase Seepage Model and Related Parameters Based on COMSOL[J]. Journal of refrigeration, 2025, 46(4): 114-121. DOI: 10.12465/j.issn.0253-4339.2025.04.114.
海岸井取海水可以减少生物附着和提高海水温度,是目前较为常用的一种海水源热泵系统取水形式。海岸井取水系统贯穿了地下饱和带和非饱和带,因此为了深入研究海岸井渗流取水机理,基于COMSOL Multiphysics软件,构建了一种三维多孔介质气-液两相非饱和渗流模型,研究了井的深度、压差、井布置、井距离等参数对渗流取水系统的影响。结果表明:井间距增大,井深增加,井流量增大,但单位井深流量减少;海岸井流量与海岸线和海岸井压力的平方差成正比;海岸线与海岸井压差为5 m时,井渗流速度影响半径约为25 m,无论两井平行布置还是垂直布置,两井之间距离大于50 m时速度场互不影响。
Coastal wells are a commonly used intake method for seawater-source heat pump systems because they help mitigate biofouling and increase seawater temperatures. Coastal well water intake systems operate underground across both saturated and unsaturated zones. Therefore
a three-dimensional gas-liquid porous media seepage model of coastal wells was established based on COMSOL Multiphysics to conduct in-depth research on the seepage mechanisms and water intake behavior of coastal wells. The effects of parameters
such as well depth
pressure difference
well arrangement
and well spacing
on the seepage water intake system were studied. The results indicate that as the well spacing increases
the well depth and well flow rate increase
but the flow rate per unit well depth decreases. The flow rate of the coastal wells is directly proportional to the square difference between the coastline and coastal well porosity pressure. When the seawater hydrostatic porosity pressure difference between the coastline and coastal well was 5 m
the influence radius of the well seepage velocity was approximately 25 m. The velocity field was not affected when the distance between the two wells was greater than 50 m
regardless of whether the wells were arranged parallel or perpendicular to the coastline.
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