针对地下通道中空气冲击波的传播,通过试验研究,得到了空气冲击波在直角拐弯通道中传播的衰减系数。同时,应用流体网格法进行了数值模拟,获得了通道直角拐弯前后空气冲击波传播的波形图和流场图。并将两方面的研究成果进行了对比,证明了试验和数值研究方法及研究成果的一致性。
holi day, pensi on a nd health, cult ural and creative experience, sports healt h, farming, rural be d and breakfasts i n new format s. T hree i s the bra nd to create article s. XX agricultural comparative a dvantage int o full play, especially t he exclusive adva ntages of climate, mountai ns and sea re sources, t o create a group of the city, the pr ovince's "calle d" XX seafood, snack foods an