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Balancing Valve

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Stanisław Witczak – One of the best experts on this subject based on the ideXlab platform.

  • Experimental study of air–oil–water flow in a Balancing Valve
    Journal of Petroleum Science and Engineering, 2015
    Co-Authors: Marcin Pietrzak, Stanisław Witczak

    Abstract:

    Abstract This paper reports the results of research into air–oil–water flow through Balancing Valves. The testing applied commercial Zetkama Valves. The tests were performed with the use of 4 Balancing Valves with the nominal diameters of 15, 25, 32 and 40 mm. The testing enabled the determination of the flow patterns forming in the vicinity of the Valve. It was concluded that the examined Valves do not significant result in flow pattern disturbances. In addition, a correlation was derived which can be used for determining the value of the local pressure drop for the examined type of Valves. The presented correlation could be potentially applied for determining pressure drop during gas–liquid mixture flow in industrial installations and apparatus.

  • experimental study of air oil water flow in a Balancing Valve
    Journal of Petroleum Science and Engineering, 2015
    Co-Authors: Marcin Pietrzak, Stanisław Witczak

    Abstract:

    Abstract This paper reports the results of research into air–oil–water flow through Balancing Valves. The testing applied commercial Zetkama Valves. The tests were performed with the use of 4 Balancing Valves with the nominal diameters of 15, 25, 32 and 40 mm. The testing enabled the determination of the flow patterns forming in the vicinity of the Valve. It was concluded that the examined Valves do not significant result in flow pattern disturbances. In addition, a correlation was derived which can be used for determining the value of the local pressure drop for the examined type of Valves. The presented correlation could be potentially applied for determining pressure drop during gas–liquid mixture flow in industrial installations and apparatus.

Marcin Pietrzak – One of the best experts on this subject based on the ideXlab platform.

  • Experimental study of air–oil–water flow in a Balancing Valve
    Journal of Petroleum Science and Engineering, 2015
    Co-Authors: Marcin Pietrzak, Stanisław Witczak

    Abstract:

    Abstract This paper reports the results of research into air–oil–water flow through Balancing Valves. The testing applied commercial Zetkama Valves. The tests were performed with the use of 4 Balancing Valves with the nominal diameters of 15, 25, 32 and 40 mm. The testing enabled the determination of the flow patterns forming in the vicinity of the Valve. It was concluded that the examined Valves do not significant result in flow pattern disturbances. In addition, a correlation was derived which can be used for determining the value of the local pressure drop for the examined type of Valves. The presented correlation could be potentially applied for determining pressure drop during gas–liquid mixture flow in industrial installations and apparatus.

  • experimental study of air oil water flow in a Balancing Valve
    Journal of Petroleum Science and Engineering, 2015
    Co-Authors: Marcin Pietrzak, Stanisław Witczak

    Abstract:

    Abstract This paper reports the results of research into air–oil–water flow through Balancing Valves. The testing applied commercial Zetkama Valves. The tests were performed with the use of 4 Balancing Valves with the nominal diameters of 15, 25, 32 and 40 mm. The testing enabled the determination of the flow patterns forming in the vicinity of the Valve. It was concluded that the examined Valves do not significant result in flow pattern disturbances. In addition, a correlation was derived which can be used for determining the value of the local pressure drop for the examined type of Valves. The presented correlation could be potentially applied for determining pressure drop during gas–liquid mixture flow in industrial installations and apparatus.

Shengwei Wang – One of the best experts on this subject based on the ideXlab platform.

  • A fault-tolerant control method of Balancing Valves for condenser fouling in water-cooled chillers
    Energy Procedia, 2017
    Co-Authors: Howard Cheung, Kui Shan, Shengwei Wang

    Abstract:

    Abstract This paper proposes a fault tolerant control method for condenser fouling in water-cooled chillers. Condenser fouling is one of the common faults in water-cooled chillers that degrade its energy efficiency. Studies were conducted to develop fault detection and diagnostics (FDD) algorithms to address this issue. However, the current FDD techniques are too expensive for some faults that are not very significant such as condenser fouling, and a cheaper alternative may be needed to remove the fault impact. This study addresses this issue by proposing a control method without FDD algorithms to reduce the impact of condenser fouling in water-cooled chillers. It controls the opening of the Balancing Valve in the condensing water loop to adapt the chiller plant for the effectively smaller condenser. Verification of the control method is conducted by a model of a real chiller plant and comparison with the ordinary operation case is made under two different months and two fouling levels. The results show that the method can help the chiller plant to reduce the impact of condenser fouling by reducing its electricity consumption by 2.0% under normal situation and reducing the impact of fouling by 0.2 to 0.4%. However, the result is not very significant, and more studies with other control inputs are needed for more effective control methods.