Results 1 to 10 of about 10,409 (120)

High speed power generator for low power steam turbine [PDF]

open access: yesE3S Web of Conferences, 2020
The paper discusses the issues of creating a high-speed power generator for a low-power steam turbine. A 50 kW power generator with a rated speed of 12,000 rpm was developed.
Kolpakhchyan Pavel   +4 more
doaj   +1 more source

Vibration Test of Blade Disc of High Pressure Turbine in High Rotating Speed

open access: yesHangkong gongcheng jinzhan, 2021
In the high-speed rotating state, the experimental study on the vibration characteristics of high-pressure turbine rotor blade and the vibration reduction effect of flange damping device is beneficial to the later design iteration and obtain the real ...
LUO Li, HUANG Dayong
doaj   +1 more source

Simulation study on exhaust turbine power generation for waste heat recovery from exhaust of a diesel engine

open access: yesEnergy Reports, 2021
Diesel engine has been used as the primary mover in vehicles for a long time. It is known that around 25%–30% of the fuel energy is wasted in the exhaust gas from diesel engines.
Yongming Xu   +3 more
doaj   +1 more source

Aerosol concentrations and size distributions during clinical dental procedures

open access: yesHeliyon, 2022
Background: Suspected aerosol-generating dental instruments may cause risks for operators by transmitting pathogens, such as the SARS-CoV-2 virus. The aim of our study was to measure aerosol generation in various dental procedures in clinical settings ...
Laura Lahdentausta   +10 more
doaj   +1 more source

Influence of rotational speed on performance of low specific speed hydraulic turbine in turbine mode

open access: yesAdvances in Mechanical Engineering, 2022
To study the influence of rotational speed on the performance of hydraulic turbine in turbine mode (T-type turbine), the performance of turbine at different rotational speed was predicted through theoretical analysis, based on the Navier-Stokes equation ...
Yanpin Li   +6 more
doaj   +1 more source

Development of 180 kW Organic Rankine Cycle (ORC) with a High-Efficiency Two-Stage Axial Turbine

open access: yesEnergies, 2023
The design of turbines used to convert thermal energy into electrical energy in an organic Rankine cycle (ORC) is crucial. A high-speed turbine requires high-performance bearings, which increases turbine manufacturing costs.
Jung-Bo Sim, Se-Jin Yook, Young Won Kim
doaj   +1 more source

Design and Analysis of an Adaptive Dual-Drive Lift–Drag Composite Vertical-Axis Wind Turbine Generator

open access: yesEnergies, 2023
In this paper, based on the lift-type wind turbine, an adaptive double-drive lift–drag composite vertical-axis wind turbine is designed to improve the wind energy utilization rate. A drag blade was employed to rapidly accelerate the wind turbine, and the
Pengfei Yan   +4 more
doaj   +1 more source

Performance of vertical-axis type straight-bladed Darrieus turbine with elastic blades (Performance improvement by deformation of blades)

open access: yesJournal of Fluid Science and Technology, 2015
The characteristics of a straight-bladed Darrieus turbine (Gyro-mill turbine) with elastic blades are experimentally studied. The same structured turbine with rigid blades is also studied for comparison.
Tomoya NAKAJIMA   +3 more
doaj   +1 more source

Energy, Exergy, and Economic Analyses of a Combined Heat and Power Generation System with a Gas Turbine and a Horizontal Axis Wind Turbine [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
Using the Combined Heat and Power (CHP) systems is known as one of the most effective ways to raise the power coefficient and reduce fuel consumption and operational costs.
Mohammad Ajam   +3 more
doaj   +1 more source

An Increase in the Energy Efficiency of Axial Turbines by Ensuring Vibration Reliability of Blade Milling

open access: yesEnergies, 2023
Ensuring the vibration reliability of power equipment is one of the fundamental problems in modern power machinery. This problem has become more critical due to a permanent increase in the machining performance of high-speed milling of axial turbine ...
Ivan Pavlenko   +10 more
doaj   +1 more source

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