Showing papers in "Energy Procedia in 2015"

TL;DR: In this paper, the performance of a maximum power point tracking system which implements Incremental Conductance (IC) method was explored. And the system performance of IC algorithm was compared to widely used algorithm - Perturb and Observe (P&O) on a Simulink environment.

TL;DR: In this article, the authors give an overview of the innovative field of hybrid energy storage systems (HESS), characterized by a beneficial coupling of two or more energy storage technologies with supplementary operating characteristics (such as energy and power density, self-discharge rate, efficiency, life-time, etc.).

TL;DR: In this article, the effect of number of blades on the performance of the model of Savonius type wind turbine was investigated and the experiments used to compare 2, 3, and 4 blades wind turbines to show tip speed ratio, torque and power coefficient related with wind speed.

TL;DR: In this article, the effect of solvents has been investigated by analyzing the absorption spectrum, bandgap and absorption coefficient of the dyes, and the photo electrochemical parameter for solar cell by using chlorophyll extracted with distilled water solvent showed the open circuit voltage (Voc) of 440mV, current short circuit (Isc) of 0.35 mV, and a fill factor (FF) of 1.49.

TL;DR: In this article, the advantages and disadvantages of renewable energies are discussed, and the use of renewable energy instead of fossil fuels will be a good solution for the control of the environmental, social and economical problems of our communities.

TL;DR: A critical discussion on existing and emerging technologies for data center cooling systems was carried out and a critical analysis on next future technology solutions for obtaining high energy efficiency data center is performed.

TL;DR: In this paper, the influence of a buffer layer on the performance of the CIGS-based solar cells has been analyzed and designed by SCAPS-1D software and the photovoltaic parameters have been calculated in different buffer layer materials.

TL;DR: In this article, two methods of enzymatic hydrolysis, separated Hydrolysis and Fermentation (SHF) and Simultaneous Saccharification, Fermentation, and SFC (SSF) were carried out in this study and the performance of both SHF and SSF was concerned to evaluate the effect of enzymes and enzyme concentration for producing ethanol.

TL;DR: In this article, the authors examined combustion stability and emissions from gaseous ammonia blended with methane or hydrogen in gas======turbines and found that efficient combustion can be achieved with high power but at very narrow equivalence ratios using both hydrogen and methane======blends.

TL;DR: In this paper, the authors use a multi-parameter economic model which allows profitability estimation for BESS with sensitivity to both technical and economical parameters, such as battery end-of-life criterion, battery ageing behavior, electricity prices and storage investment costs.

TL;DR: The introduction of a new microalgae strain with a high ability to remove nutrients from POME, which can contribute to the effort in finding an efficient and economic technology for improving the environment.

TL;DR: In this article, power-to-gas (PtG) integration into an existing pulp mill as well as a nearby bio-diesel plant are taken into account, and two cases of PtG integration into a pulp mill and a nearby BioDiesel plant are evaluated by a standard annualized profit and loss calculation and subsequent return on equity consideration.

TL;DR: In this article, the saturation current densities (J0) and contact resistances (RC) of crystalline silicon (c-Si)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) junctions were determined by means of contactless carrier lifetime measurements and the RCvalues by comparing sheet resistance measurements with numerical device simulations of the corresponding test structure.

TL;DR: In this article, a scenario for such a storage is developed and the operation is simulated using a numerical model, which shows that the storage can supply about 20% of the average demand in electrical energy of the state of Schleswig-Holstein, Germany, for a week-long period.

TL;DR: A new approach to find the optimal location and sizing of Distribution STATic COMpensator (DSTATCOM) with an objective function of minimizing the total network power losses is investigated.

TL;DR: The proposed work addresses end-user driven demands by harnessing HPC resources and advanced data analytics to enable intelligent design, operation, and management of all entities on Jurong Island.

TL;DR: In this paper, an advanced laser hydrogenation process is presented to rapidly form and hydrogenate boron-oxygen defects simultaneously, in an 8 s process applied directly after belt furnace firing.

TL;DR: In this article, a numerical simulation on the fully developed turbulent flow and heat transfer in the inner tube with and without helical fins, protrusions and dimples has been investigated.

TL;DR: In this article, a review of the studies on borehole seasonal solar thermal energy storage is presented, where analytical and numerical models of underground regenerator and system simulations are summarized and problems and barriers of the development of borehole heat storage in China are also given.

TL;DR: In this article, the thermal conductivity of water and ethylene glycol (EG) based Al 2 O 3 nanofluid was investigated using KD2 Pro Thermal Properties Analyzer at working temperatures of 30 to 70 C for volume concentration of 0.5 to 2.0%.

TL;DR: In this article, a thermal energy storage unit with phase change material has been rigorously studied to select the best suitable PCMs and materials for the design of test bench of the thermal storage unit.

TL;DR: In this article, a review of recent research and developments, on lithium-ion battery aging mechanisms, analysis and estimations are put forward, and some considerations about the ideal method that can be derived from existing methods are discussed and reported in this paper.

TL;DR: In this paper, a detailed operational model of a hybrid system in Chile's Atacama Desert was produced, using localized data on weather and interconnection capacity, to illustrate this capability.

TL;DR: In this article, a comparison was considered about some characteristics of new generation low GWP value gases most of which are at the trial stage, and compared within their own groups in terms of liquid density and viscosity properties.

TL;DR: Key Performance Indicators (KPIs) are important for monitoring the performance in the industry as discussed by the authors. They can be used to identify poor performance and the improvement potential and can be defined for different applications.

TL;DR: In this paper, a DC water pump is used to overcome the problem of low efficiency of PV panel with water flow over the front surface of PV panels, which is one way to enhance the efficiency of photovoltaic panels for maintaining a low operating temperature during its operation period.

TL;DR: In this article, the authors compared various locally available agricultural residues in South Asian region to evaluate their potential as feedstock for renewable energy production and contributing toward solving energy crisis and environmental issues.

TL;DR: In this article, the authors present an outline of a model that calculates the outdoor performance of a bifacial module including optical, electrical and thermal aspects, and present the annual yield gain prediction based on measured characteristics of bif facial modules relative to south-facing tilted monofacial modules.

TL;DR: In this paper, the feasibility of installing a grid-connected photovoltaic (PV) system in a typical residential in Surabaya, Indonesia is simulated with PVsyt and RETScreen software.

TL;DR: In this paper, the authors analyze factors to be considered when typical meteorological year (TMY) is constructed from a time series data and discuss characteristics of the input data (time period, time frequency, quality), calculation methods (weighting of parameters, coherence of parameters and selection criteria) and requirements of the resulting TMY to characterize average solar climate (P50 case) or a year with less favorable solar resource (P90 or Pxx cases).