Results 11 to 20 of about 79,098 (317)

Evaluation of technical and economic effect from setup of distributed photovoltaic generation on the Right-of-Way land of the North Caucasus Railway [PDF]

open access: yesE3S Web of Conferences, 2019
In this work, we consider the concept of using a distributed solar power plant, setup on the right-of-way of the railroad. The proposed solution allows to shave peaks of electricity consumption without additional land alienation, using the existing power
Asanov Ibragim   +2 more
doaj   +1 more source

Microstructure evolution of creep damaged DZ411 superalloy during rejuvenation heat treatment

open access: yesJournal of Aeronautical Materials, 2019
The simple solution and aging treatment processes were adopted to rejuvenate the microstructure of creep damaged DZ411 superalloy. The microstructure evolution of superalloy during rejuvenation process was investigated by OM and SEM, and then the ...
TANG Wenshu   +5 more
doaj   +1 more source

Power Control of a Nonpitchable PMSG-Based Marine Current Turbine at Overrated Current Speed With Flux-Weakening Strategy [PDF]

open access: yes, 2014
This paper deals with power control strategies for a fixed-pitch direct drive marine current turbine (MCT) when the marine current velocity exceeds the rated value corresponding to the MCT nominal power.
SCUILLER, Franck   +6 more
core   +1 more source

A Homogenization Method for Replacement Stator Models in an Aero-Engine

open access: yesAerospace, 2022
Generally, the high-fidelity finite element models of aero-engines comprise millions of degrees of freedom (DOFs). Although they can provide precise predictions of structural dynamics, the computational cost will be often unaffordable if appropriate ...
Wenjun Wang   +4 more
doaj   +1 more source

Modeling and Control of a Marine Current Turbine Driven Doubly-Fed Induction Generator [PDF]

open access: yes, 2010
This paper deals with the modeling and the control of a variable speed DFIG-based marine current turbine with and without tidal current speed sensor.
BENELGHALI, Seifeddine   +3 more
core   +1 more source

Stress rupture initiated by the carbides in the grain boundaries of the multi-pass weld metal

open access: yesJournal of Materials Research and Technology, 2021
The weld metal (WM) was generally regarded as one of the weakest zones in the dissimilar welded joints. The microstructure and fracture mechanism of the multi-pass WM are systematically probed in the present study.
Tao Wei   +8 more
doaj   +1 more source

Power Limitation Control for a PMSG-Based Marine Current Turbine at High Tidal Speed and Strong Sea State [PDF]

open access: yes, 2013
This paper deals with the control strategies for a fixed-pitch marine current turbine (MCT) when the marine current speed exceeds the rated value corresponding to the rated power of generator and converter.
SCUILLER, Franck   +10 more
core   +1 more source

Multiple-injection dry low-NOx combustor for hydrogen-rich syngas fuel: testing and evaluation of performance in an IGCC pilot plant

open access: yesMechanical Engineering Journal, 2014
The successful development of oxygen-blown integrated coal gasification combined cycle (IGCC) technology requires gas turbines capable of achieving the dry low nitrogen oxides (NOx) combustion of hydrogen-rich syngas for low emissions and high plant ...
Tomohiro ASAI   +5 more
doaj   +1 more source

Research on the Transient Characteristics of a Three-Stream Adaptive Cycle Engine

open access: yesEnergies, 2023
Based on the transient-performance calculation model of a dual-spool mixed-flow turbofan engine, this article improves the dynamic algorithm of geometric adjustment mechanisms and establishes a transient-performance calculation model suitable for a three-
Qiuxia Yu, Jun Hu, Weili Wang, Bin Gu
doaj   +1 more source

Experimental Validation of a Marine Current Turbine Simulator: Application to a Permanent Magnet Synchronous Generator-Based System Second-Order Sliding Mode Control [PDF]

open access: yes, 2011
This paper deals with the experimental validation of a Matlab-Simulink simulation tool of marine current turbine (MCT) systems. The developed simulator is intended to be used as a sizing and site evaluation tool for MCT installations.
AHMED-ALI, Tarek   +11 more
core   +1 more source

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