Results 71 to 80 of about 866,432 (203)

Condition Monitoring and Asset Management in the Smart Grid

open access: yes, 2016
One of the main characteristics of a smart grid is the availability of large volumes of data, for example, gained from sensors. This data can be utilized as a tool to estimate the state of the system as a whole or any component within the system.
Bangalore, Pramod,   +6 more
core   +1 more source

Molecular dynamic simulation of bubble nucleation in a nanochannel with a groove

open access: yesAIP Advances, 2019
Molecular dynamics methods are used to investigate the effect of wall wettability and initial fluid density on the nucleation and growth of nanobubbles in a nanochannel with a groove.
Longyan Zhang, Jinliang Xu, Junpeng Lei
doaj   +1 more source

Investigations on the Unsteady Aerodynamic Characteristics of a Horizontal-Axis Wind Turbine during Dynamic Yaw Processes

open access: yesEnergies, 2019
Wind turbines inevitably experience yawed flows, resulting in fluctuations of the angle of attack (AOA) of airfoils, which can considerably impact the aerodynamic characteristics of the turbine blades. In this paper, a horizontal-axis wind turbine (HAWT)
Xiaodong Wang   +3 more
doaj   +1 more source

Distributed embedded condition monitoring management systems based on OSA-CBM standard

open access: yes, 2013
This paper presents an approach to distributed condition monitoring systems that offers a reusable software architecture for a class of condition monitoring (CM) applications.
Tsourdos, Antonios   +2 more
core   +1 more source

Modeling, Validation and Analysis of the Performance of Direct Air-Cooling Condensers for Mountainous Terrain

open access: yesEnergies
Direct air-cooling systems use air instead of water as a cooling medium, so they are easily affected by meteorological and hydrological conditions. In this paper, considering the complex geographic conditions around the direct air-cooling units, Gambit ...
Xubo Lu   +4 more
doaj   +1 more source

On the Heat Transfer Enhancement of Plate Fin Heat Exchanger

open access: yesEnergies, 2018
The plate fin heat exchanger is a compact heat exchanger applied in many industries because of its high thermal performance. To enhance the heat transfer of plate fin heat exchanger further, three new kinds of wavy plate fins, namely perforated wavy fin,
Yuan Xue   +3 more
doaj   +1 more source

Accounting for nonstationarity in the condition monitoring of wind turbine gearboxes [PDF]

open access: yes, 2013
Increasing growth of wind turbine systems suggests a more systematic research around their design, operation and maintenance is needed. These systems operate under challenging enviromental conditions and failure of some of their parts, for the time being,
Antoniadou, Ifigeneia
core  

Markov chain-based mass estimation method for loose part monitoring system and its performance

open access: yesNuclear Engineering and Technology, 2017
A loose part monitoring system is used to identify unexpected loose parts in a nuclear reactor vessel or steam generator. It is still necessary for the mass estimation of loose parts, one function of a loose part monitoring system, to develop a new ...
Sung-Hwan Shin   +4 more
doaj   +1 more source

Towards quantification of condition monitoring benefit for wind turbine generators

open access: yes, 2007
Condition monitoring systems are increasingly installed in wind turbine generators with the goal of providing component-specific information to the wind farm operator and hence increase equipment availability through maintenance and operating actions ...
Ault, G.W., Mcmillan, David
core  

Componential coding in the condition monitoring of electrical machines Part 2: application to a conventional machine and a novel machine [PDF]

open access: yes, 2003
This paper (Part 2) presents the practical application of componential coding, the principles of which were described in the accompanying Part 1 paper.
Gu, Fengshou   +3 more
core   +1 more source

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