Results 1 to 10 of about 487 (88)
Analysis on the effect of variable guide vane numbers on the performance of pump as turbine
Advances in Mechanical Engineering, 2018 To study the effects of different guide vane numbers on the unsteady performance of pump as turbine based on the Navier–Stokes equation and standard k-epsilon turbulence model, computation fluid dynamics technology was used to simulate the flow field in ...
Xiaohui Wang, Junhu Yang
exaly +2 more sources
Design and CFD simulation of guide vane for multistage Savonius wind turbine
Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2023 This study proposes improving the performance of a fixed-axis multistage Savonius wind turbine by integrating a sixbladed guide vane. Guide vanes aim to direct the incoming wind towards the blades of the Savonius wind turbine so that it can increase the ...
Dionisius Devin +3 more
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Zhongguo Jianchuan Yanjiu, 2022 ObjectivesIn order to improve the working performance of gas turbines, this study examines the aerodynamic performance of variable geometry turbine clamshell guide vanes.MethodsTaking a typical variable geometry turbine guide vane as a prototype, a ...
Tao TANG +3 more
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Investigations of a vertical axis wind turbine with frontal cylindrical guide vane unit [PDF]
E3S Web of Conferences, 2021 The paper presents the results of an experimental study of a vertical wind turbine type Darrieus with frontal cylindrical guide vane unit. The main goal of the research is to analyze the influence of the geometry of a classical cylindrical guide vane ...
Obretenov Valentin, Iliev Rossen
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Analysis of Influence Factors of Guide Vanes Torque in Variable Geometry Turbine Adjusting Mechanism
IEEE Access, 2023 More and more attention has been paid to research on variable geometry turbine engines with the increasing improvement of performance requirements for military turbines.
Yan Zhong +5 more
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Parameter based tool for Francis turbine guide vanes design using coupled MATLAB - ANSYS approach
Journal of Sustainable Development of Energy, Water and Environment Systems, 2022 The complex geometry of Francis turbine components can be defined parametrically so that automatic optimization techniques based on parametrization can be used. This is convenient for a hydraulic redesign of individual turbine elements.
Marija Lazarevikj +4 more
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Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022 Turbine nozzle blocks were tested and, as a result, problems of nozzle block lower platform alligatoring were detected. In the course of the research possible variants of cooling high pressure turbine nozzle block vane platforms were investigated ...
Yu. G. Gorelov +2 more
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Journal of Mechanical Engineering Science and Technology, 2020 Indonesia is an agrarian country that continuously produces water, so it has the potential to develop a hydroelectric power plant. Computational Fluid Dynamic (CFD) application could be used to be an economical, quick, and efficient approach to improve ...
Akbar Navis +2 more
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Constraints of Parametrically Defined Guide Vanes for a High-Head Francis Turbine
Energies, 2021 This paper is focused on the guide vane cascade as one of the most crucial stationary sub-systems of the hydraulic turbine, which needs to provide efficient inflow hydraulic conditions to the runner. The guide vanes direct the flow from the spiral casing
Filip Stojkovski +4 more
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Low-Engine-Order Forced Response Analysis of a Turbine Stage with Damaged Stator Vane
Entropy, 2023 A damaged stator vane can disrupt the circumferential symmetry of the design flow for turbine assemblies, which can lead to a low-engine-order (LEO) forced response of rotor blades. To help engineers be able to better address sudden vane damage failures,
Yun Zheng, Xiubo Jin, Hui Yang
doaj +1 more source