Table 2: The velocity of water flow .


10 −0.5478 −0.5695 −0.5666 −0.5199 −0.4711 −0.4061 −0.3352 −0.2571 −0.1747 −0.0878 0.0000
20 1.3101 1.2213 1.1232 1.0160 0.8931 0.7504 0.6097 0.4595 0.3099 0.1554 0.0000
30 −0.4468 −0.3731 −0.3085 −0.2527 −0.2057 −0.1651 −0.1252 −0.0875 −0.0573 −0.0276 0.0000
40 −1.0361 −0.9898 −0.9258 −0.8459 −0.7513 −0.6439 −0.5258 −0.4004 −0.2711 −0.1367 0.0000
50 1.0939 0.9918 0.8867 0.7791 0.6700 0.5594 0.4479 0.3356 0.2233 0.1114 0.0000