兰州地区太阳能吸收式空调冷热源系统的数值模拟研究

发布时间：2018-05-22 07:13

本文选题：空调系统 + 太阳能　；参考：《兰州理工大学》2013年硕士论文

【摘要】：随着社会的发展和人们生活水平的提高,导致了能源需求量的不断提高,世界能源供给问题日益严峻。同时,节能、环保标准要求的提高,迫切需要寻找新的可再生能源替代传统的能源。由于太阳能驱动的空调系统具有节能、环保和能源的可再生利用等特性,目前成为建筑节能领域的研究热点。兰州地区处于西北地区,有着丰富的太阳能资源。为了充分利用兰州地区的太阳能资源,减少对传统能源-煤的使用量,实现环保要求,针对在该地区采用太阳能进行吸收式空调的制冷和制热模式的可行性,本文提出了适用于民用建筑的太阳能吸收式空调冷热源系统的设计方法及其数值模拟,从而分析该系统在兰州地区推广应用的可能性。本文选取兰州地区某办公楼为建筑模型,对太阳能吸收式空调冷热源系统进行了数值模拟研究,主要研究内容如下： 1.对太阳能驱动的吸收式空调系统的组成和工作机理进行了介绍与分析。 2.针对兰州地区的太阳能资源分布情况及气候特点,提出了能够在夏季制冷、冬季制热的太阳能吸收式空调工艺流程。而且,基于方案排队法,对其冷热源系统中的冷、热源设备的组合进行了优选。 3.对该太阳能驱动的吸收式空调冷热源系统的关键运行参数-驱动热水温度的变化情况,进行了数值模拟。仿真结果表明,驱动热水的温度可以满足制冷与制热工况的要求,一定程度地降低了运行能耗。从技术、经济、节能、环保等方面,本文的研究结果验证了将太阳能技术与空调技术结合,用以解决目前中央空调系统冷热源设备运行能耗的可行性。太阳能驱动的吸收式空调系统在兰州地区有一定的发展潜力和经济竞争性。
[Abstract]:With the development of society and the improvement of people ' s living standards , the problem of energy demand in the world is becoming more and more serious . At the same time , there is an urgent need to find new renewable energy instead of traditional energy sources .

In order to make full use of solar energy resources in Lanzhou area and to reduce the use of traditional energy - coal and meet the requirement of environmental protection , this paper puts forward the design method and numerical simulation of solar energy absorption air - conditioning cold - heat source system suitable for civil buildings , and analyzes the possibility of popularization and application of the system in Lanzhou area .

This paper selects an office building in Lanzhou area as the building model , and conducts a numerical simulation study on the solar absorption air - conditioning cold - heat source system . The main research contents are as follows :

1 . The composition and working mechanism of the solar - powered absorption air - conditioning system are introduced and analyzed .

2 . According to the distribution of solar energy resources and the climatic characteristics of Lanzhou area , this paper puts forward the technological process of solar absorption air conditioner capable of cooling in summer and heating in winter . Furthermore , based on the scheme queuing method , the combination of cold and heat source equipment in its cold and heat source system is optimized .

3 . The key operating parameters of the solar driven absorption air conditioning cold and heat source system - driving hot water temperature are simulated numerically . The simulation results show that the temperature of the driving hot water can meet the requirements of refrigeration and heating conditions , and the running energy consumption can be reduced to a certain extent .

From the aspects of technology , economy , energy saving , environmental protection and so on , the research results verify the feasibility of combining solar technology with air conditioning technology to solve the feasibility of running energy consumption of the cold and heat source equipment of the central air conditioning system . The solar driven absorption air conditioning system has certain potential and economic competitiveness in Lanzhou area .
【学位授予单位】：兰州理工大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU831

【参考文献】