流量:43986kg/h =
43.99m3/h
密度ρ:1000kg/m3
粘度μ：0.8cp =0.0008Pa.s =0.800mm2/s 初选管径:
取△Pf100=30kPa
d=
98.49DN50 φ168× 5.5流速:
0.631m/s
(1)若（2）若λ=0.0225
△Pf100=
2.86kPa =0.0176.67
△Pf100= 2.146.64λ=
(4)若Re＜2000选取管道等级2.5A128、P8218 MTBE自C-8201A至E-8202
核算△P f 0.2070.0330.380.207100
11.4i v f d q P ρμ-=?0.252000Re 4000
0.3164e R λ-?<
P1= 1.1Mpa
（3）若0.0208
kPa △Pf100= 2.65kPa 64/Re =0.0005
△Pf100=0.070.2500Re 40000.3164e R -<<
=0.023
?=0.0λ?=