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volume dimensionless fraction of permeability solid of glass wool material 0.262 0.258 0.221 0.218 0.172 0.25 0.26 0.40 0.41 0.80 ʽÖУ¬aÊÇÏËάֱ¾¶£¬ÓÃÓÚ·½³Ì7.19£­4ÖУ¬¿ÉÒԺܼòµ¥µÄ´Ó¸ø¶¨µÄÏËάֱ¾¶ºÍÌå»ý·ÖÊýµÃµ½¡£

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Velocity (m/s) Pressure Drop (Pa) 20.0 50.0 80.0 110.0 78.0 487.0 1432.0 2964.0

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