Vortex flow type water tube and its design method

摘要

PROBLEM TO BE SOLVED: To provide a vortex flow type water pipe and its design method, capable of shortening a design period, and capable of reducing construction cost.;SOLUTION: This vortex flow type water pipe 1 has a water pipe 2, a water passage 4 and a connecting pipe 8. The axis CL2 of the connecting pipe 8 is arranged in the direction orthogonal to the axis CL1 of the water pipe 2. Assuming a width of a body passage part 20 as B, the length Lc of the body passage part 20 as 10B or more and an inner diameter of a shaft part 12 as Da, an inner diameter Db of an energy absorbing part 16 is set to 1.5Da, a height Hb up to the upper end of an outflow port 14 from the lower end of the shaft part 12 is set to 5Da, a height Hc up to a bottom surface of the energy absorbing part 16 from the lower end of the outflow port 14 is set to 2.2Da, a height Hd up to the lower end of the shaft part 12 from an inclined passage part 24 is set to 10Da, and a height Ht up to the bottom part of the energy absorbing part 16 from a water surface of a liquid flowing in the flowing water passage 4 is set to 25Da.;COPYRIGHT: (C)2008,JPO&INPIT