集成化建筑能耗仿真系统框架初步研究

【作者】 林尧林；

【导师】 张国强；

【作者基本信息】 湖南大学 ， 供热、供燃气、通风及空调工程， 2003， 硕士

【摘要】 建筑能耗约占我国总能耗的1／4左右，而空调系统能耗约占建筑能耗的30％～60％。空调系统的优化运行，对建筑物节能，有着极其重要的意义。因此，空调系统的运行情况模拟及冷热源选择有着十分重要的价值。 本文首先讨论了集成化建筑模拟的概念及各组成模块的功能，然后讨论了基于基本元件算法的空调系统动态仿真技术。通过控制容积法及相互作用原理，导出了空调元件有穷组合的模拟计算矩阵。通过空调系统的模块化，采用自动连接技术，构造出符合要求的模拟部件，开发了模拟仿真程序。运行结果与TRNSYS的结果相比较得出，采用基本元件算法及自动连接技术，能够对系统的模拟提供更大的灵活性，提高计算精度。 空调冷热源的能耗占空调系统总能耗的70％左右，因此，其设备选择具有重要意义。作为集成化软件的一部分，本文同时也讨论了因特网环境下冷热源选择与决策，利用层次分析法开发出了决策程序。结果表明，基于网络环境下的决策系统，既有助于资源共享，从而大大降低信息的获取成本，又有望实现设计师的异地协作，提高设计质量，缩短设计周期。 本文还讨论了数据转换过程中的Macro技术及自动转换问题，并对进一步的工作及新一代能耗模拟软件做出展望，指出未来的能耗分析系统，将是网络环境下的模拟分析系统。更多还原

【Abstract】 Building energy consumption amounts to about one third of our nation’s primary energy. Generally, about 30% to 60% of the building energy is consumed in air-conditioning systems. Building energy simulation, especially for air-conditioning systems has great contribution to building energy conservation.The concept of integrated building energy simulation is described, the function of each module in the integrated system is presented, and the PP (primitive parts)-based dynamic simulation technique for air-conditioning system is discussed. The combined simulation matrix of a finite number of primitive parts is deduced by the finite difference control volume conservation method and interaction principle, based on the fundamental physical laws. By primitive parts and auto-connection technique, appropriate combinations can be constructed to meet different simulation tasks. A program is developed and the simulation results were compared with that from TRNSYS. The results verify that the use of primitive parts and auto-connection technique can improve on the accuracy and flexibility on system simulation.The energy consumption of heater/chiller plant amounts to about 70% of the total energy in air-conditioning system. It is important for the selection of heater/chiller plant. The heater/chiller plant selection and decision-making based on web is discuss and a program based on AHP method is developed to facilitate the decision-making process. The results show that decision-making system based on web can contribute to information source sharing and reduce the cost of getting the information. Collaboration among the designers may be achieved and the quality of design may be improved and the design period may be shorten.Macro and auto-conversion techniques are also discussed and future development for next generation simulation software is briefly described. It is possible that tomorrow’s energy simulation system will be the web-based collaboration system.更多还原