Results 11 to 20 of about 552,997 (263)

Efficiency Mapping and Weighted Average Efficiency for Large Hydrogenerators

IEEE Open Journal of Industry Applications, 2021
This paper presents the concept of efficiency mapping for large synchronous hydrogenerators, which are useful for evaluating hydropower generation performance vis-à-vis interconnected intermittent generation to machine efficiency-oriented design ...
Edson da Costa Bortoni, Roberto Teixeira Siniscalchi, Silvio Vaschetto, Mostafa Ahmadi Darmani, Andrea Cavagnino   +4 more
doaj   +1 more source

The Mathematical Model of Coupling Calculation the Electromagnetic Field and Heats of End Zone Powerful Turbogenerator

Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2019
A quasi-three-dimensional field mathematical model of the electromagnetic field and heat transfer processes in end zone of a powerful turbogenerator has been developed.
O. H. Kensytskyi, D. I. Hvalin, K. O. Kobzar   +2 more
doaj   +1 more source

Grain loss during winter wheat harvesting (review)

Зерновое хозяйство России, 2018
Grain loss during winter wheat harvesting (review) Harvesting is an important stage of grain production. It’s necessary to harvest grain crops with a minimum loss and better quality, with a minimum technical and after-harvesting energy costs.
G. A. Filenko, T. I. Firsova, Yu. G. Skvortsova   +2 more
doaj   +1 more source

Resource and Load Compatibility Assessment of Wind Energy Offshore of Humboldt County, California

Energies, 2020
Floating offshore wind is being considered in northern California as indicated by the Bureau of Ocean Energy Management’s issuance of a lease consideration in the Humboldt Call Area.
Christina Ortega, Amin Younes, Mark Severy, Charles Chamberlin, Arne Jacobson   +4 more
doaj   +1 more source

The structure of the park of power transformers with a higher voltage of 6-10 Kv on the example of the electric grid organization of the branch of pjsc «Rosseti center»-«Orelenergo», serving rural electric networks

Известия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Evaluation of the power transformer fleet 6-10/0,23-0,4 kV on the example of a branch of PJSC «Rosseti Center»-«Orelenergo».METHODS. In the work, based on the database of the branch of PJSC «Rosseti Center»-«Orelenergo», an analysis was made
A. A. Lansberg, A. V. Vinogradov, A. V. Vinogradova   +2 more
doaj   +1 more source

Memory loss [PDF]

Medical Journal of Australia, 2012
Most older people with memory loss do not have dementia. Those with mild cognitive impairment are at increased risk of progressing to dementia, but no tests have been shown to enhance the accuracy of assessing this risk. Although no intervention has been convincingly shown to prevent dementia, data from cohort studies and randomised controlled trials ...
Leon A, Flicker, Andrew H, Ford, Christopher D, Beer, Osvaldo P, Almeida   +3 more
openaire   +2 more sources

Uso de diferentes aditivos em silagem de capim-elefante Use of different additive on elephant grass silage

Ciência e Agrotecnologia, 2008
Objetivou-se avaliar o uso de diferentes aditivos na ensilagem de Capim-Elefante. O delineamento experimental foi o inteiramente casualizado. Os tratamentos foram: T1(capim-elefante), T2 (capim-Elefante + 7% polpa cítrica), T3 (capim-elefante + 7% raspa ...
Adauton Vilela de Rezende, Adilson Luis Gastaldello Junior, Alexandre Rocha Valeriano, André Oliveira Casali, Lucilene Tavares Medeiros, Ricardo Rodrigues   +5 more
doaj   +1 more source

CELKOVÁ EFEKTIVITA PRÁCE JAKO NÁSTROJ PRO MĚŘENÍ VÝKONNOSTI V DANÉM PODNIKU [PDF]

ACC Journal, 2022
Pro udržení konkurenceschopnosti je velmi důležité, aby společnost zvyšovala produktivitu svých výrobních zařízení, což lze sledovat pomocí ukazatele Celkové efektivity zařízení.
Brabec Zdeněk, Jáčová Helena
doaj   +1 more source

Nano-Management of Linear Properties of Photonic Crystal Fibers

Communications, 2014
The array of nanometer air holes positioned in the core can significantly modify the properties of guided mode in photonic crystal fiber. Changing geometrical properties of nanometer holes enables tuning of fiber dispersion and the effective mode area ...
Daniel Kacik, Peter Tatar, David Liachovicky   +2 more
doaj   +1 more source

Ambiguous loss [PDF]

Scottish Journal of Residential Child Care, 2018
Loss is an inescapable part of human existence, but we know that vulnerable or marginalised groups of children experience higher rates of loss and bereavement than the general population. Children who are cared for in placements outside of the family home are also more likely to experience ambiguous loss, which is when a loss remains unclear and ...
openaire   +2 more sources