Results 271 to 280 of about 3,447,211 (328)
Some of the next articles are maybe not open access.
The energy efficiency of oil sands extraction: Energy return ratios from 1970 to 2010
Energy, 2013Abstract It has been argued that the oil sands industry is not energy efficient: comparatively large energy inputs are required per unit of energy output from oil sands operations. Unfortunately, quantitative work to date in this area has suffered from poor data availability and uncertain methods. We apply a new methodology and new dataset to compute
Adam R. Brandt +2 more
openaire +1 more source
International Journal of Green Energy, 2018
ABSTRACTThe Ratio of Exergy consumption to Energy consumption (REXE) of the building is defined in the paper.
Ping Wang +4 more
openaire +1 more source
ABSTRACTThe Ratio of Exergy consumption to Energy consumption (REXE) of the building is defined in the paper.
Ping Wang +4 more
openaire +1 more source
An Efficient Real-time Voice Activity Detection Algorithm using Teager Energy to Energy Ratio
2019 27th Iranian Conference on Electrical Engineering (ICEE), 2019We define a new feature called Teager Energy to Energy and mathematically show that it provides distinguished values for pure tone and white noise signals. We then employ the Teager Energy to Energy feature to propose an efficient procedure for voice activity detection and use simulation results to evaluate its performance in different noisy ...
Mohammad Hadi +2 more
openaire +1 more source
Energy efficiency ratio analysis of cooling systems in dry and humid climates
Young Energy Researchers Conference 28 February 2023, 2023Heating, ventilation and air-conditioning, HVAC, systems account for 50% of the total final energy consumption in buildings. Directive 2010/31/EU established "to promote the improvement of the energy efficiency of buildings" as the main objective of the Energy Efficiency of Buildings Directive.
Romero-Lara, María Jesús +2 more
openaire +1 more source
Model for optimizing energy efficiency through controlling speed and gear ratio
Energy Efficiency, 2008Specific fuel consumption of vehicles has been improved through technical changes in the last three decades. There has been little study of the impact of behavioral aspects on the specific fuel consumption of vehicles. Analytical tools developed recently have included options for quantifying the specific fuel consumption in certain predefined driving ...
Y. Saboohi, H. Farzaneh
openaire +1 more source
Protein-energy ratio for forage production efficiency
Кормопроизводство, 2019Исследования Уральского НИИСХ и опыт передовых хозяйств Свердловской области показывают, что для повышения эффективности и стабильности кормопроизводства необходимо в структуре кормовых культур увеличивать удельный вес высокобелковых, высокоэнергетических и засухоустойчивых культур, производить подсев многолетних трав ежегодно на площади не менее 60 ...
openaire +1 more source
The Cost to Quality Ratio in Terms of Voyage Energy Efficiency
Advanced Materials Research, 2014Shipping is permanently engaged in efforts to regulate the voyage energy efficiency and to control the marine GHG emissions. In order to achieve this, the International Maritime Organization (IMO) has developed a series of technical and operational measures.
Nicoleta Acomi +3 more
openaire +1 more source
Tuning energy transfer efficiency in quantum dots mixture by controling donor/acceptor ratio*
Chinese Physics B, 2021Improving the emission performance of colloidal quantum dots (QDs) is of paramount importance for their applications on light-emitting diodes (LEDs), displays and lasers. A highly promising approach is to tune the carrier recombination channels and lifetime by exploiting the energy transfer process.
Chang Liu +9 more
openaire +1 more source
Full-energy peak determination from total efficiency and peak-to-total ratio calculations
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2021Abstract The aim of this work is to examine, from a theoretical point of view, the full-energy peak determination by starting from total efficiency and peak-to-total calculations, which are widely used in gamma-ray spectrometry. The detectors here examined include five different sodium iodide NaI(Tl) detectors and three high purity germanium HPGe ...
Peki P. Aguiar-Amado +2 more
openaire +1 more source
Signal to noise ratio based clustering approach for energy efficient WSN
2017 2nd International Conference on Computing and Communications Technologies (ICCCT), 2017Wireless sensor network consists of independent device spatially distributed in the wireless network with sensor that observes the environment conditions. The cluster based transaction is the gateway of wireless medium and distributed nodes has limitations in power supply.
null Susila Sakthy S +3 more
openaire +1 more source