基于氦气置换的超大型土工离心机缩比模型温控实验研究

郑传祥,戴煜宸,魏双,颜加明,黄维

Experimental study on temperature control of scaled model of ultra-large geotechnical centrifuge based on helium replacement

Chuanxiang ZHENG,Yuchen DAI,Shuang WEI,Jiaming YAN,Wei HUANG

表 2 氦气和空气工况下风阻功率拟合参数

Tab.2 Fitting parameters of windage power under helium and air conditions

介质 $ {k}^{{'}}{k}^{{''}} $ $ k $ $ q $ $ p $ $ {R}^{2} $ 空气 3.52×10−5 4.08×10−5 −0.091 6 2.908 4 0.999 9 氦气 3.52×10−5 5.98×10−6 −0.036 4 2.963 6 0.992 6