Hydraulic loss experiment of straight-through Tesla valve in forward and reverse directions

IF 2.6 4区综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES Science Progress Pub Date : 2024-09-17 DOI:10.1177/00368504241269433

Yan-Juan Zhao, Jiang-Bo Tong, Yu-Liang Zhang, Xiao-Wei Xu, Liang-Huai Tong

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Abstract

Tesla valves are widely used in the field of fluid control. To study the hydraulic performance of straight-through Tesla valves in forward and reverse flow, 16 straight-through Tesla valves with diverse blade parameters were designed in this paper, and hydraulic loss tests were carried out in forward and reverse flow under different working conditions. The results show that the hydraulic loss increases with the increasing working flow rate in forward and reverse flow; at the identical flow rate, the reverse loss is higher than the forward loss. Both the hydraulic loss through the valve and the unidirectional conductivity of the valve increase with increasing blade length, pitch, and number of blades, but too long of a length results in weakened unidirectional conductivity. The hydraulic loss increases with the increase of blade angle, and the unidirectional conductivity decreases with the increase of blade angle. When the blades are arranged in perfect symmetry, the hydraulic loss through the valve is maximum, and the valve has the best unidirectional conductivity.

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特斯拉直通阀正反向液压损失实验

特斯拉阀广泛应用于流体控制领域。为了研究直通式特斯拉阀在正向和反向流动时的水力性能，本文设计了 16 个叶片参数不同的直通式特斯拉阀，并在不同工况下进行了正向和反向流动的水力损失试验。结果表明，在正向和反向流动中，液压损失随着工作流速的增加而增加；在相同流速下，反向损失大于正向损失。通过阀门的水力损失和阀门的单向传导性都随着叶片长度、间距和叶片数量的增加而增加，但过长的叶片长度会导致单向传导性减弱。水力损失随叶片角度的增大而增大，单向导电率随叶片角度的增大而减小。当叶片完全对称排列时，通过阀门的水力损失最大，阀门的单向导电性最好。

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来源期刊

Science Progress Multidisciplinary-Multidisciplinary

CiteScore

3.80

自引率

0.00%

发文量

119

期刊介绍： Science Progress has for over 100 years been a highly regarded review publication in science, technology and medicine. Its objective is to excite the readers'' interest in areas with which they may not be fully familiar but which could facilitate their interest, or even activity, in a cognate field.