Results 1 to 10 of about 62,371 (148)

MINIMIZATION OF DEFLECTION ERROR IN FIVE AXIS MILLING OF IMPELLER BLADES

Facta Universitatis, Series: Mechanical Engineering, 2023
The 5-axis CNC machine tools are used for manufacturing free form surfaces of sophisticated parts such as turbine blades, airfoils, impellers, and aircraft components.
Mohsen Soori, Mohammed Asmael
semanticscholar   +1 more source

Effect of impeller shroud trimming on the hydraulic performance of centrifugal pumps with low and medium specific speeds

Engineering Applications of Computational Fluid Mechanics, 2022
The effect of pump impeller modification by a new approach, pump impeller shroud trimming (PIST), on the flow field and pump performance is examined both numerically and experimentally.
M. Shadab, M. Karimipour, A. Najafi, R. Paydar, S. A. Nourbakhsh   +4 more
semanticscholar   +1 more source

Numerical and Experimental Investigations on Inflow Loss in the Energy Recovery Turbines with Back-Curved and Front-Curved Impeller Based on the Entropy Generation Theory

Social Science Research Network, 2021
Pump as turbine (PAT) is one of the economical and effective energy recovery devices in small hydropower stations. A back-curved PAT and a front-curved PAT were designed, and performance characteristics were studied, the accuracy of the numerical ...
B. Qi, Desheng Zhang, Linlin Geng, R. Zhao, B. V. van Esch   +4 more
semanticscholar   +1 more source

Energy Loss and Radial Force Variation Caused by Impeller Trimming in a Double-Suction Centrifugal Pump

Entropy, 2021
Impeller trimming is an economical method for broadening the range of application of a given pump, but it can destroy operational stability and efficiency.
Qifan Deng, J. Pei, Wenjie Wang, B. Lin, Chenying Zhang, Jiantao Zhao   +5 more
semanticscholar   +1 more source

Effects of the Impeller Blade with a Slot Structure on the Centrifugal Pump Performance

Energies, 2020
An impeller blade with a slot structure can affect the velocity distribution in the impeller flow passage of the centrifugal pump, thus affecting the pump’s performance. Various slot structure geometric parameter combinations were tested in this study to
Hong-liang Wang, B. Long, Chuan Wang, Chen Han, Linjian Li   +4 more
semanticscholar   +1 more source

3D-printing process design of lattice compressor impeller based on residual stress and deformation

Scientific Reports, 2020
The application of a lattice structure in the lightweight design of compressor impellers can reduce their mass and moment of inertia, hence improving the effective carrying of aircraft and reducing the start and braking moments of the impeller.
Dejun Jia, Fan-chun Li, Yuan Zhang
semanticscholar   +1 more source

Optimization of the Splitter Blade Configuration and Geometry of a Centrifugal Pump Impeller using Design of Experiment

, 2020
Centrifugal pumps are among the most applicable machines in a wide variety of industrial systems for fluid pumping and transportation. Therefore their optimization has always been of great importance.
M. Namazizadeh, M. T. Gevari, M. Mojaddam, M. Vajdi   +3 more
semanticscholar   +1 more source

Monitoring the Performance of Centrifugal Pump under Single-Phase and Cavitation Condition: A CFD Analysis of the Number of Impeller Blades

Journal of Applied Fluid Mechanics, 2019
In this current study, the transient numerical calculations using CFD are carried out under different number of impeller blades for the flow field within a centrifugal pump under single-phase and cavitation condition.
Ahmed Ramadhan Al-Obaidi
semanticscholar   +1 more source

Application of CFD to Analyze the Hydrodynamic Behaviour of a Bioreactor with a Double Impeller

Processes, 2019
Stirred bioreactors are commonly used unit operations in the pharmaceutical industry. In this study, computational fluid dynamics (CFD) was used in order to analyze the influence of the impeller configuration (Segment–Segment and Segment–Rushton impeller
M. Ebrahimi, Melih Tamer, Ricardo Martinez Villegas, Andrew Chiappetta, F. Ein‐Mozaffari   +4 more
semanticscholar   +1 more source

Flow Characteristics in Volute of a Double-Suction Centrifugal Pump with Different Impeller Arrangements

Energies, 2019
As an important type of centrifugal pump, the double-suction pump has been widely used due to its high efficiency region and large flow rate. In the present study, the complex flow in volute of a double-suction centrifugal pump is investigated by ...
Yu Song, Honggang Fan, Wei Zhang, Zhifeng Xie   +3 more
semanticscholar   +1 more source