Flow rate (mL/s) | Velocity of sudden expansion pipe (m/s) | Pressure measuring height before sudden expansion (mm) | Optimal pressure measuring height after sudden expansion (mm) | Actually measured value of local head loss (m) | Theoretically calculate value of local head loss (m) | Local resistance coefficient |
24.916 | 0.080 | 74.37 | 74.46 | 0.00037 | 0.00010 | 1.15 |
41.300 | 0.132 | 72.60 | 72.64 | 0.00123 | 0.00028 | 1.38 |
58.851 | 0.188 | 70.31 | 70.46 | 0.00242 | 0.00057 | 1.34 |
13.433 | 0.043 | 56.52 | 56.48 | 0.00017 | 0.00003 | 1.85 |
40.292 | 0.129 | 54.23 | 54.06 | 0.00138 | 0.00027 | 1.63 |
53.607 | 0.171 | 52.68 | 52.57 | 0.00224 | 0.00047 | 1.50 |
28.093 | 0.090 | 55.20 | 55.17 | 0.00062 | 0.00013 | 1.50 |
95.181 | 0.304 | 45.65 | 45.93 | 0.00645 | 0.00149 | 1.37 |
117.561 | 0.376 | 30.23 | 30.93 | 0.00956 | 0.00228 | 1.33 |
102.531 | 0.328 | 22.45 | 23.17 | 0.00709 | 0.00173 | 1.29 |