合肥工业大学学报(自然科学版)
閤肥工業大學學報(自然科學版)
합비공업대학학보(자연과학판)
JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE)
2013年
10期
1249-1253
,共5页
纳米TiO2%挥发性有机化合物%数学模型%有限差分法%控制方程%边界条件
納米TiO2%揮髮性有機化閤物%數學模型%有限差分法%控製方程%邊界條件
납미TiO2%휘발성유궤화합물%수학모형%유한차분법%공제방정%변계조건
nano TiO2%volatile organic compounds (VOCs )%mathematical model%finite difference method%governing equation%boundary condition
文章以平板式空气净化装置作为物理模型,基于纳米 TiO2光催化氧化挥发性有机化合物反应的控制机理为质交换、扩散、吸附和光化学理论,建立了非稳态光催化氧化过程数学模型,利用有限差分法求解控制方程和边界条件,通过试验对理论计算进行验证,结果表明,理论计算与试验结果吻合较好。
文章以平闆式空氣淨化裝置作為物理模型,基于納米 TiO2光催化氧化揮髮性有機化閤物反應的控製機理為質交換、擴散、吸附和光化學理論,建立瞭非穩態光催化氧化過程數學模型,利用有限差分法求解控製方程和邊界條件,通過試驗對理論計算進行驗證,結果錶明,理論計算與試驗結果吻閤較好。
문장이평판식공기정화장치작위물리모형,기우납미 TiO2광최화양화휘발성유궤화합물반응적공제궤리위질교환、확산、흡부화광화학이론,건립료비은태광최화양화과정수학모형,이용유한차분법구해공제방정화변계조건,통과시험대이론계산진행험증,결과표명,이론계산여시험결과문합교호。
Mass transfer ,diffusion ,adsorption and photochemistry are figured out to be the controlling mechanisms for photocatalytic degradation of volatile organic compounds (VOCs) by using nano TiO2 catalyst .A mathematical model for the non-steady photocatalytic degradation process is developed by incorporating these mechanisms in a plane plate air purification physical model .The governing equa-tion and boundary conditions are solved by using finite difference method .The computation results are in accordance with the data obtained from the experiments .