Results 11 to 20 of about 1,567 (162)

A Comparison of Partial Admission Axial and Radial Inflow Turbines for Underwater Vehicles

open access: yesEnergies, 2021
The metal fueled steam Rankine cycle has been successfully applied to Unmanned Underwater Vehicles. However, the suitable turbine configuration is yet to be determined for this particular application. In this paper, the mean-line design approach based on
Hanwei Wang   +4 more
doaj   +1 more source

Axial Gap Optimisation of Half Diameter Shifted Counter Rotating Dual Rotor Wind Turbine [PDF]

open access: yesInterdisciplinary Description of Complex Systems, 2020
General energy demand is continuously increasing due to the fact that wind turbines and other renewable energy sources have begun to appear in previously unexplored areas, such as on the roofs of buildings.
Csaba Hetyei, Ferenc Szlivka
doaj   +1 more source

Aerodynamic modification and optimization of intermediate pressure compressor in marine intercooled recuperated gas turbine

open access: yesCase Studies in Thermal Engineering, 2023
The intercooling recuperated cycle (ICR) is commonly employed in marine gas turbines to enhance thermal efficiency. However, the addition of an intercooler may lead to the increased dimension and structural complexity of marine ICR gas turbines.
Hang Xiang   +5 more
doaj   +1 more source

Design of an Axial Turbine for Highly Downsized Internal Combustion Engines

open access: yesApplied Sciences, 2020
This paper describes and discusses the development of an axial turbocharger turbine concept as a potential substitute to commercial radial turbines for high-volume production.
Lorenzo Baietta   +3 more
doaj   +1 more source

Internal Flow Characteristics of Novel Turbine Performance Enhancement Method through Specific Fluid Injection

open access: yesApplied Sciences, 2023
Gas turbine engines are an essential component for many industries, such as aerospace, marine propulsion, energy generation, etc., with modern engines capable of achieving high powers, efficiencies and reliability.
Razvan Edmond Nicoara   +2 more
doaj   +1 more source

Dynamic Model for Axial Motion of Horizontal Pelton Turbine and Validation in Actual Failure Case

open access: yesShock and Vibration, 2020
Pelton turbines are important machines for power generation from a renewable energy source such as water. For power rates below 20 MW, the rotor of Pelton turbines is usually in horizontal position.
C. G. Rodriguez   +5 more
doaj   +1 more source

An Axial Hydro-Kinetic Turbine for Optimum Power Extraction Using Tidal Dams [PDF]

open access: yesIranica Journal of Energy and Environment, 2018
The present paper describes analytical optimization and numerical simulation of a modern hydro-kinetic turbine. It was a tidal turbine with twin elliptic-rotors. The turbines were installed within the twin ducts inside of a tidal dam.
A. Zahedi Nejad, P. Zahedi Nejad
doaj   +1 more source

Validation of the Axial Thrust Estimation Method for Radial Turbomachines

open access: yesInternational Journal of Rotating Machinery, 2021
The fast preliminary design and safe operation of turbomachines require a simple and accurate prediction of axial thrust. An underestimation of these forces may result in undersized bearings that can easily overload and suffer damage.
Jonna Tiainen   +5 more
doaj   +1 more source

Design and numerical study of turbines operating with MDM as working fluid

open access: yesOpen Engineering, 2015
Design processes and numerical simulations have been presented for a few cases of turbines designated to work in ORC systems. The chosen working fluid isMDM.
Klonowicz Piotr   +5 more
doaj   +1 more source

Cooling of Steam Turbine Exhaust Hood and Last Stage Blade [PDF]

open access: yesMATEC Web of Conferences, 2023
This paper describes a novel semi-numerical method of water droplets path lines calculation in steam turbine axial exhaust hood 2D space. The axial velocity profile of steam as well as droplets evaporation are taken into account.
Hoznedl Michal   +5 more
doaj   +1 more source

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