<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Sluice and radial gates are common devices used to control flow in closed conduits. In high-head gated conduits, the high-velocity flow exiting the gate drags and entrains a lot of air. If the air demand of the flow is not met, the pressure drop downstream of the gate will cause structural damage or cavitation. Typically, an air vent is installed immediately downstream of the gate to supply sufficient air to the flow. In this study, the effect of the conduit gate type on the air-demand ratio was investigated. The results showed that the gate type had a very significant effect on the air-demand ratio. Significantly higher air-demand ratios were observed in the conduit with a sluice gate compared to the conduit with a radial gate. The results obtained will be useful in future modeling and design processes.</p>
</abstract>

Sluice and radial gates are common devices used to control flow in closed conduits. In high-head gated conduits, the high-velocity flow exiting the gate drags and entrains a lot of air. If the air demand of the flow is not met, the pressure drop downstream of the gate will cause structural damage or cavitation. Typically, an air vent is installed immediately downstream of the gate to supply sufficient air to the flow. In this study, the effect of the conduit gate type on the air-demand ratio was investigated. The results showed that the gate type had a very significant effect on the air-demand ratio. Significantly higher air-demand ratios were observed in the conduit with a sluice gate compared to the conduit with a radial gate. The results obtained will be useful in future modeling and design processes.

Role of Gate Type in the Air-Demand Ratio in Closed Conduits

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Role of Gate Type in the Air-Demand Ratio in Closed Conduits"}

Sluice and radial gates are common devices used to control flow in closed conduits. In high-head gated conduits, the high-velocity flow exiting the gate drags...

Role of Gate Type in the Air-Demand Ratio in Closed Conduits

Published Online: May 20, 2024

Page range: 17 - 26

Received: Dec 08, 2023

Accepted: Dec 15, 2023

DOI: https://doi.org/10.2478/jaes-2024-0003

Keywords
air-water flow, cavitation, gate, high-head flow, high-velocity flow

© 2024 A. B. Aydin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Role of Gate Type in the Air-Demand Ratio in Closed Conduits

Published Online: May 20, 2024

Page range: 17 - 26

Received: Dec 08, 2023

Accepted: Dec 15, 2023

DOI: https://doi.org/10.2478/jaes-2024-0003

Keywordsair-water flow, cavitation, gate, high-head flow, high-velocity flow

© 2024 A. B. Aydin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
air-water flow, cavitation, gate, high-head flow, high-velocity flow