Development of a method for determining the specific pressures on the sealing fields of slide valves

Fominykh, A. V.; Chinyaev, I. R.; Tel’minov, A. V.; Astafiev, Vladimir

doi:10.1063/5.0099962

13TH INTERNATIONAL SCIENTIFIC CONFERENCE ON AERONAUTICS, AUTOMOTIVE AND RAILWAY ENGINEERING AND TECHNOLOGIES (BulTrans-2021)

2022

DOI: 10.1063/5.0099962

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Development of a method for determining the specific pressures on the sealing fields of slide valves

A. V. Fominykh

I. R. Chinyaev²,

A. V. Tel’minov³

et al.

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2023

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Cited by 2 publications

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Computational, theoretical and experimental study of cavitation characteristics of the gate wellhead devices with the internal bypass

Muftakhov

2023

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Hydraulic systems include control devices that create local resistance. Decreasing and increasing the working medium pressure and flow rate in the control devices cause cavitation, vibration, noise, material destruction, increase in the energy losses and decrease in the efficiency, which adverse effects could be reduced by using a bypass. One of the important tasks in designing the control devices is establishment of the cavitation characteristics. Introduction of an internal bypass in such devices makes it possible to reduce forces on the control elements displacement and the specific pressures in opening and closing, as well as to locate the cavitation bubbles collapse point in the flow behind the control gates. The paper presents results of a computational theoretical study using a modern complex of engineering analysis and experimental determination of the cavitation characteristics of the gate wellhead device with an internal bypass.

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Computational, theoretical and experimental study of cavitation characteristics of the gate wellhead devices with the internal bypass

Muftakhov

2023

PoHEI.MB

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Computational, theoretical and experimental study of the working medium flow regimes in the gate valve internal bypasses

Muftakhov,

Chinyayev,

Fominykh

et al. 2023

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Demand is growing in technological lines of the oil and gas industry for stop-control valves that provide the required throughput characteristic at the pressure drop of 25 MPa or more. Compared to valves, the gate valves have the lower resistance coefficient in the open position. Slide stop-control devices are widely used as the stop-control valves. The most important problems that arise in designing such devices include determination of the hydraulic and cavitation characteristics and of the specific pressure at the gate. Internal bypass introduction in the control valves makes it possible to increase regulation accuracy at the high pressure drops, and using it in the gate valves to reduce forces in displacement of the stop-control elements and specific pressure at the gate when opening/closing, as well as to determine the point of the cavitation bubbles collapse in the flow. A method for calculating hydraulic characteristics of the bypass and a method for determining its throughput characteristics on the basis of computational and theoretical research using the modern engineering analysis system are proposed.

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Development of a method for determining the specific pressures on the sealing fields of slide valves

Cited by 2 publications

References 8 publications

Computational, theoretical and experimental study of cavitation characteristics of the gate wellhead devices with the internal bypass

Computational, theoretical and experimental study of cavitation characteristics of the gate wellhead devices with the internal bypass

Computational, theoretical and experimental study of the working medium flow regimes in the gate valve internal bypasses

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