Abstract. The tooth surface friction effects and the resulting contact temperature are important factors for dynamic characteristics of a gear-rotor system in compressed air energy storage (CAES). Therefore, 3∘ freedom finite-element model is set up which lubrication state gear pair, friction, surface, backlash unbalanced excitation considered. coefficient calculated according to variation stat...

La complejidad lingüística como fenómeno multidimensional cuantificable apenas se ha abordado en la adquisición de español lengua extranjera (ELE), obviando, además, afinidad una variable clave con efectos empíricamente demostrables. El presente estudio tiene objetivo determinar influencia el nivel sofisticación léxica comparando producción escrita dos grupos hablantes ELE contextos plurilingüe...

Due to limited fossil fuel resources, a growing increase in energy demand and the need maintain positive environmental effects, concentrating solar power (CSP) plant as promising technology has driven world find new sustainable competitive methods for production. The scheduling capability of CSP equipped with thermal storage (TES) surpasses photovoltaic (PV) unit augments sustainability system ...

An axial compressor has high efficiency under design conditions, but its stable working range is narrow. Adjusting the rotational speed can effectively expand range. In this paper, a five-stage for specific compressed air energy storage (CAES) system taken as research object, and different (DRS) characteristics are studied with NUMECA software. Firstly, influence of DRS on overall aerodynamic p...

There is a significant energy transition in progress globally. This mainly driven by the insertion of variable sources energy, such as wind and solar power. To guarantee that supply meets its demand, storage technologies will play an important role integrating these intermittent sources. Daily can be provided batteries. However, there still no technology provide weekly, monthly seasonal service...

This paper examines the effects on climate and air pollution of open biomass burning (BB) when heat and moisture fluxes, gases and aerosols (including black and brown carbon, tar balls, and reflective particles), cloud absorption effects (CAEs) I and II, and aerosol semidirect and indirect effects on clouds are treated. It also examines the climate impacts of most anthropogenic heat and moistur...