Results 61 to 70 of about 522,153 (213)

Biomass production and energy balance of Miscanthus over a period of 11 years: A case study in a large‐scale farm in Poland

open access: yesGCB Bioenergy, 2019
Giant miscanthus (Miscanthus × giganteus Greef and Deuter) and Amur silver grass (Miscanthus sacchariflorus Maxim./Hack) are rhizomatous grasses with a C4 photosynthetic pathway that are widely cultivated as energy crops.
Bogdan Dubis   +4 more
doaj   +1 more source

Measuring energy efficiency and its contribution towards meeting CO2 targets: estimates for 29 OECD countries [PDF]

open access: yes
Using results for 29 OECD countries from the estimation of an extended version of the model advocated by Filippini and Hunt (2011a), actual energy consumption and CO2 emissions are compared to notional energy consumption and CO2 emissions if the ...
Joanne Evans   +2 more
core  

Energy Efficiency Study on Air-Cooled Condensers [PDF]

open access: yes, 2016
Cooling systems for HVAC applications in aviation area have a great importance and due to the limited space in complex aviation systems and equipment, energy efficiency is becoming increasingly importance. Energy efficiency affects the design of chillers
Kemal Ermis   +3 more
core   +1 more source

Energy Efficiency Indicator of Pumping Equipment Usage

open access: yes, 2023
The rational choice of pumping units and the effective usage of the corresponding pumping equipment are urgent problems in terms of ensuring the energy efficiency of up-to-date enterprises.
Marek Ochowiak   +8 more
core   +1 more source

Modeling and Optimization of a Refrigeration System for Metro Train Air-conditioning

open access: yesZhileng xuebao, 2014
Though metro in China today is booming, the typical refrigeration system for metro train air-conditioning is at quite lower energy efficiency level (COP = 2.2-2.3) in comparison with the residential systems under the same operating conditions.
Yang Liang, Gao Jie, Zhang Chunlu
doaj  

Comparative analysis of specific energy consumption and energy consumption benchmarking in galvanising plants

open access: yes, 2022
The inadequacy of sustainable energy is endlessly posing major challenges globally. The issue of energy optimisation is indispensable for manufacturing sector, particularly for a hot-dip galvanising process where galvanising furnaces are the ...
Dewa, Mendon
core  

Drying Time, Energy and Exergy Efficiency Prediction of Corn (Zea mays L.) at a Convective-Infrared-Rotary Dryer: Approach by an Artificial Neural Network

open access: yesEnergies
Energy consumption in the drying industry has made drying an energy-intensive operation. In this study, the drying time, quality properties (color, shrinkage, water activity and rehydration ratio), specific energy consumption (S.E.C), thermal, energy and
Yousef Abbaspour-Gilandeh   +5 more
doaj   +1 more source

Methodologies for Assessment of Building's Energy Efficiency and Conservation: A Policy-Maker View [PDF]

open access: yes
Recent global peer-review reports have concluded on importance of buildings in tacking the energy security and climate change challenges. To integrate the buildings energy efficiency into the policy agenda, significant research efforts have been recently
Aleksandra Novikova
core  

Experimental Study on Optimal Refrigerant Charge of Multi-functional Air-conditioning Hot Water Heater

open access: yesZhileng xuebao, 2015
A new type of double-flow accumulator was developed, which can automatically adjust the amount of circulating refrigerant on the system of multi-functional air-conditioning/hot-water heater so that the system was more stable and efficient under multi ...
Wang Haifeng   +5 more
doaj  

The effects of variable speed and drive train component efficiencies on wind turbine energy capture

open access: yes, 1998
A wind turbine rotor achieves optimal aerodynamic efficiency at a single tip-speed ratio (TSR). To maintain that optimal TSR and maximize energy capture in the stochastic wind environment, it is necessary to employ variable-speed operation.
Fingersh, L. J., Robinson, M. C.
core  

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