Abstract
The rods of the proposed regulating device (RD) by the means of the drive are tilted relative to its axis and pinch the hose from which the spiral channels are formed. The direct channels of the throttling device in the hose are formed by rods curved in the plane passing through the RD axis. Theoretical studies of the RD with input and output nozzles are performed in the software Solid Works 2017. Experimental studies were performed in the turbulent self-similarity zone. The RD resistance coefficient and the coefficients of friction losses along the length in the input and output nozzles are determined. To visualize the vortex motion of the liquid, air and cut flower petals were fed into the pipe. In the vertical and horizontal arrangements of the RD, the flow of bubbles was located at the pipe axis. In the horizontal arrangement of the RD, the flow of bubbles fluctuated near the axis of the pipe but did not touch its walls. The resistance coefficient of the RD with the direct channels is 6.03, and the area of the middle narrow section is 494 mm2. The resistance coefficient of the RD with the twisted channels made up of is 0.70, and the area of the middle narrow section is 475 mm2. The coefficient of the RD resistance with the direct channels is greater than that of the device with the twisted channels.
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Fominykh, A.V., Chinyaev, I.R., Ezdina, A.A. (2020). Hose Regulating Device with Swirling. In: Radionov, A., Kravchenko, O., Guzeev, V., Rozhdestvenskiy, Y. (eds) Proceedings of the 5th International Conference on Industrial Engineering (ICIE 2019). ICIE 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-22041-9_6
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