Results 11 to 20 of about 68,067 (337)

Research on the Influence of Tip Clearance of Axial-Flow Pump on Energy Characteristics under Pump and Turbine Conditions

open access: yesMachines, 2022
In order to study the influence of tip clearance on the performance and energy dissipation of the axial-flow pump and the axial-flow pump as a turbine, and find the location of high dissipation rate, this study took an axial-flow pump model as its ...
Yanjun Li   +4 more
doaj   +1 more source

Gas-liquid mass transfer : a comparison of down-and up-pumping axial flow impellers with radial impellers [PDF]

open access: yes, 2004
The performance of a down- and up-pumping pitched blade turbine and A315 for gas-liquid dispersion and mass transfer was evaluated and then compared with that of Rushton and Scaba turbines in a small laboratory scale vessel.
Aubin   +34 more
core   +2 more sources

Research on aerodynamic characteristics of two-stage axial micro air turbine spindle for small parts machining

open access: yesAdvances in Mechanical Engineering, 2020
In order to meet the requirements of output torque, efficiency and compact shape of micro-spindles for small parts machining, a two-stage axial micro air turbine spindle with an axial inlet and outlet is proposed. Based on the k-ω turbulence model of SST,
Liu Jiang   +4 more
doaj   +1 more source

Energy analysis and optimization of a small-scale axial flow turbine for Organic Rankine Cycle application

open access: yesInternational Journal of Thermofluids, 2021
Increasing the cycle efficiency of Organic Rankine Cycles is an important R&D area. In this study, an effort has been made to optimize various parameters related to the axial flow turbine to maximize an ORC's efficiency.
Yohan Engineer   +2 more
doaj   +1 more source

Prediction of the Influence of Runner Tip Clearance on the Performance of Tubular Turbine

open access: yesJournal of Marine Science and Engineering, 2022
Tubular turbine is a type of turbine with low-head. Due to the fact that the runner of a tubular turbine is of axial-flow type, there will be a certain width of blade tip between the blade and the chamber.
Yanzhao Wu   +7 more
doaj   +1 more source

3-D Simulation of Vertical-Axial Tidal Current Turbine

open access: yesPolish Maritime Research, 2016
Vertical-axial tidal current turbine is the key for the energy converter, which has the advantages of simple structure, adaptability to flow and uncomplex convection device. It has become the hot point for research and application recently.
Zhiyang Zhang   +4 more
doaj   +1 more source

Hydraulic Optimization of Two-Way Counter-rotating Axial Flow Pump Turbine

open access: yesFrontiers in Energy Research, 2020
The two-way counter-rotation technology is mainly applied to the tidal power station. In this paper, the hydrodynamic optimization of the two-way counter-rotating axial-flow pump turbine is carried out.
Wang Xiuli   +6 more
doaj   +1 more source

CFD simulation of flow patterns in unbaffled stirred tank with CD-6 impeller [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2012
Understanding the flow in stirred vessels can be useful for a wide number of industrial applications. There is a wealth of numerical simulations of stirring vessels with standard impeller such as Rushton turbine and pitch blade turbine.
Devi Tamphasana Thiyam, Kumar Bimlesh
doaj   +1 more source

Design of a Sequential Axial Turbocharger for Automotive Application

open access: yesEnergies, 2019
In the last few years, the perspective of climate change, energy, competitiveness, and fuel consumption in the transportation sector has become one of the most significant public policy issues of our time.
Constantinos Panayides   +2 more
doaj   +1 more source

Design of a high-specific speed turbine with non-uniform blade cascade [PDF]

open access: yesEPJ Web of Conferences, 2019
This paper presents the hydraulic design of Kaplan type turbine in fully axial configuration. The turbine model consists of a straight pipe intake, a rib which covers the shaft, five axial guide vanes, a six blade runner and a 10,6°-full angle draft tube.
Stareček Jakub   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy