Transcription of 2章 円管内圧力損失(5.1) - 谷口150624
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2-1 2 1 m 31000kg/m 10 Pa s 1 m0/sQ R = 10-3 m R = 10-3 m 373233Re ( 10 2)[ 10 / ( 10 ) ] ( 10 ) 10 309 2100 373043488 ( 10 ) ( 10 ) ( 10Pa)LQLPPR 2 2max1xuuR max2uu < u > R = 10-3 m 21 10 m/suQR CFD x( ,0)yumax(0,0)(0, )2-2 < u > 2 (1) COMSOL Multiphysics (2) 2D 2-3 (3) 2-4 (4) 2-5 (1) (2) ( ) R [m] L [m] rho 1000[kg/m^3] myu [Pa*s] v_ave1 [m/s] v_ave2 [m/s] 2-6 (1)
2-1 2章 円管内圧力損失 1 問題の解説 1.1 例題 水平の円管に下記の条件で水を流した場合の両端での圧力差,および管入口から長さ0.2 m
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