作　　者： (龚梦兰）; (丁善婷）;

机构地区： 湖北工业大学机械工程学院,湖北武汉430068 湖北省现代制造质量工程重点实验室,湖北武汉430068

出　　处： 《湖北工业大学学报》 2017年第4期19-21,25,共4页

摘　　要： 家用太阳能热水器日有用得热量q17是能效系数CTP重要组成,决定热水器产品优劣。在不同日太阳辐照量下,对日有用得热量q17进行研究与分析,运用计算机流体力学(FLUENT)软件,用离散坐标辐射模型(DO)模拟8h得热试验,通过线性回归拟合得到日有用得热量方程。将试验数据分别带入原得热方程与拟合方程计算,拟合方程下的计算差值明显缩小。拟合所得日有用得热量方程的应用能提高得热试验结果准确性。 Daily useful energy q17 was studied on different daily solar irradiance,which was important to the coefficient of thermal performance（CTP）of domestic solar water heater,and determined the advantages and disadvantages of water heater products.The numerical simulation of 8hours thermal performance experimental was carried out by Fluent,and the thermal energy equation was obtained by linear regression method.The experimental data were taken into the original thermal energy equation and the fitting equation,and the difference between the calculated equations was obviously reduced.The accuracy of the test results could be increased by the application of the fitting thermal energy equation.

关 键 词： 日太阳辐照量 得热试验 数值模拟 线性回归 日有用得热量方程