风管风速表(共14页).doc

精选优质文档-倾情为你奉上镀锌板风管摩擦阻力表矩型风管mm风量(m3/h)/摩擦阻力(Pa)v=2m/sv=3 m/sv=4 m/sv=5 m/sv=6 m/s120x120104/0.61156/1.27207/2.15259/3.25311/14.57160x120138/0.51207/1.07277/1.8346/2.75415/3.86160x160184/0.42277/0.78369/1.49461/2.26553/3.17200x120173/0.46259/0.95346/1.62432/2.45734/3.44200x160230/0.36346/0.77461/1.3576/1.79691/2.78250x120216/0.41324/0.87432/1.47540/2.23648/250x160288/0.32432/0.69576/1.17720/1.77