Research on Passive Design Strategies of Aquaculture Building in Hot and Humid Area
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摘要: 为助力广州某陆基水产养殖建筑的提质增效,解决其存在的工作环境高温高湿、能耗较高等问题,通过梳理设计规范,指出该农业建筑在绿色设计规范层面存在较大欠缺;然后进行夏季实测与问卷调研,揭示了建筑运行中存在室内环境高温高湿、采光不足的问题;基于被动式主导的设计方法,围绕自然通风、自然采光、围护结构、光伏产能、环境友好等方面,提出了近远期设计方案;最后结合风热环境、光环境与能耗模拟,验证了该设计方案的有效性。主要结论如下:1)自然通风是室内热环境调节关键性措施,通过提升自然通风,优化了夏季与过渡季的热舒适需求;2)结合开窗系统,同步优化室内自然采光,节约照明用能;3)整合光伏产能,可满足夏季及过渡季用能,但冬季水体保温用能较大,冬季产能仍存在一定缺口;4)标准型建筑可保障室内工作环境的舒适性,试验型建筑可更全面地走向节能、低碳、舒适与环境友好的目标。综上所述,以被动式主导的设计技术,系统性地解决了水产建筑在工作环境与设备工艺层面存在的问题;所提出的研究路径、设计策略、技术措施,对于不同类型工业化农业建筑的研究、设计和提质增效均具有广泛适用性与推广价值。Abstract: The purpose of this study is to improve the quality and efficiency of a land-based aquaculture building in Guangzhou, addressing issues such as high temperature and humidity in the working environment, as well as high energy consumption. The research methods include: 1) sorting out design specifications and pointing out that there are significant gaps in the green design specifications of this type of agricultural building; 2) conducting measurement in summer and questionnaire surveys to reveal problems such as high temperature and humidity in the indoor environment and insufficient lighting during building operation; 3) based on a passive design approach, focusing on natural ventilation, natural lighting, building envelope, photovoltaic power generation, and environmental friendliness, short-term and long-term design solutions are proposed; 4) combining wind-thermal environment, light environment, and energy consumption simulations to verify the effectiveness of the design solutions. The main conclusions are as follows: 1) natural ventilation is a key measure for regulating the indoor thermal environment. By enhancing natural ventilation, thermal comfort needs during summer and transitional seasons have been optimized; 2) in combination with the window system, the indoor natural lighting has been optimized synchronously, to save lighting energy; 3) the introduction of photovoltaic power generation can meet the energy needs during summer and the transitional seasons, but due to the large energy consumption for water body insulation in winter, there is still a certain gap in winter power generation; 4) the comparison of schemes shows that the standard building can ensure the comfort of the indoor working environment, while the experimental building more comprehensively moves towards the goals of energy saving, low carbon, comfort, and environmental friendliness. In summary, with a passive design approach, the problems existing in the working environment and equipment process of the aquaculture building have been systematically solved. The research path, design strategy, and technical measures proposed in this project are widely applicable to the research, design, and quality improvement of different types of industrialized agricultural buildings.
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