Feb 5, 2025 · Axial Flow Pumps: These pumps are designed to move fluids parallel to the pump shaft. They are typically used in applications requiring high flow rates and low pressure, such as in flood control and drainage systems. ... Impeller pumps are an essential component in countless applications, offering efficient and reliable fluid movement ...

2 days ago · Numerical study of the effects of some geometric characteristics of a centrifugal pump impeller that pumps a viscous fluid,” ... Effects of clearance and operating conditions on tip leakage vortex-induced energy loss in an axial-flow pump using entropy production method,” ASME J. Fluids Eng. 145 (3), 031201 (2023).

2 days ago · In this study, the prototype PAT device is based on a vertical axial flow pump from the South-to-North Water Diversion Project (Yang et al., Citation 2022). The scale model of the pump device has a ratio of 1:10.33. The model experiments utilise the TJ04-ZL-06 hydraulic model pump, with an impeller diameter D = 0.3 m and 3 blades made of copper.

Jan 31, 2025 · 轴流泵在小流量工况下运行时，由于进流速度较低且存在壁面回流，会导致水力性能劣化，产生严重的机组振动，威胁泵站的安全稳定运行。沟槽流动控制技术是一种有效改善轴流泵水力性能的方法，其结构参数对水力性能的影响关系目前尚不明确。运用数值模拟方法，通过改变重要几何参数对沟槽 ...

Jan 21, 2025 · The impeller types of sewage pump are respectively introduced as follows: The impeller structure is divided into four types: blade type (open type and closed type), swirl type, flow passage type (including single flow passage and double flow passage) and spiral centrifugal type. The open semi-open impeller is easy to manufacture.

Jan 18, 2025 · Axial-flow pumps, also known as propeller pumps, move fluid parallel to the pump shaft and are designed for high flow rates with low pressure increases, such as in flood control and irrigation. Radial-flow pumps direct the fluid perpendicular to the pump shaft and are ideal for low flow rates but high discharge pressures, suitable for boiler ...

Jan 18, 2025 · Axial Flow Pumps: Employ an impeller with blades that push fluid in an axial direction along the pump shaft. Flow Characteristics. The flow rate in dynamic pumps varies with changes in pressure. These pumps are most efficient when operating near their design point and can suffer from decreased efficiency and potential damage if run off the ...

Jan 17, 2025 · The fluid flow in axial pumps is parallel to the pump shaft. These pumps produce flow from the propelling motion of the impeller vanes (via a lifting effect). Axial pumps are capable of handling a large amount of fluid while keeping the pressure head low.

Jan 17, 2025 · This article investigates the impact of varying the speed ratio between the inducer and impeller on the cavitation performance of centrifugal pumps equipped with an inducer as an innovative concept of allowing the rotors to rotate independently.

Jan 17, 2025 · Li et al. used numerical simulation to compare and analyze the performance of axial flow pumps with different guide vane inlet slopes. The results revealed that reducing the hub height of the guide vane improves the head and efficiency of the axial flow pump.