泡沫混凝土导热系数模型研究_周顺鄂.pdfVIP

/ # 69 # * , , ( , , 621010) 研制了系列不同容重的泡沫混凝土, 对泡沫混凝土的气孔率和导热系数进行了测试在此基础 利用 二相体系材料导热系数模型对实验结果进行了分析, 运用M at lab 软件进行了拟合; 改进了 M ax well 方程, 提出并验 证了适用于泡沫混凝土的新方程经测算, 理论预测值与实验结果显示了良好的一致性, 研究结果表明, 所提出的导 热系数新方程适合于指导设计特定配比的泡沫混凝土 M at lab : T U 522. 3 : A St udy on T he m al Conductivity M odel of Foamed Conc ete ZH OU Shune, L U Zhong yuan, YAN Yun ( K ey L abo at o y fo A dv anced Building M ate ials of Sichuan P ov ince, Scho ol of M ate ials Science and Eng inee ing, So ut hw est U nive sity of Science and T echno lo gy , M iany ang 62 10 10) Abstract A se ies of fo amed conc ete w ith diffe ent volume w eig ht is p epa ed in this pape . A fte w a ds, the appa ent po e ate and the mal conductiv ity a e tested. Subsequently , the ex pe iment al esult is analy zed by using the- o etica l models fo ecast ing tw o- phase mate ials and fitted by using M atlab. And then, the M ax well equatio n is im- p oved. T he new equat ion is p oposed and test ified w hich is applied t o fo amed co nc ete. Acco ding to the measu e- ment and calculation, the esults ag ee well w ith ex pe imental o nes. T he esults indicate that the p o po sed equation is suitable to g uide the design of fo amed conc ete of specific p opo tio n. Key words fo amed conc ete, the mal conductivity , M at lab simulatio n , ; , , , , 1 , [ 1] 1. 1 , , PO32. 5R, ; , ; , ; , ; ; , ; , 1. 2 3 1