Showing papers in "Applied Energy in 2009"

TL;DR: The most widely used bio-fuel for transportation worldwide is bio-ethanol from sugar cane, which is essentially a clean fuel and has several clear advantages over petroleum-derived gasoline in reducing greenhouse gas emissions and improving air quality in metropolitan areas as mentioned in this paper.

TL;DR: In this paper, a smart estimation method based on coulomb counting is proposed to improve the estimation accuracy for state-of-charge (SOC) estimation of lithium-ion batteries with high charging and discharging efficiencies.

TL;DR: The biofuel policy aims to promote the use in transport of fuels made from biomass, as well as other renewable fuels as mentioned in this paper, which provides the prospect of new economic opportunities for people in rural areas in oil importer and developing countries.

TL;DR: A review of the existing and upcoming conversion schemes, and their fields of applications are outlined in this article, based on a comprehensive survey of various hydrokinetic systems reported to date, general trends in system design, duct augmentation, and placement methods are deduced.

TL;DR: In this article, the authors reviewed the biofuel valorization facilities as well as the future importance of biorefineries, and the benefits of an integrated bioorefinery are numerous because of the diversification in feedstocks and products.

TL;DR: In this article, an optimal design model for designing hybrid solar-wind systems employing battery banks for calculating the system optimum configurations and ensuring that the annualized cost of the systems is minimized while satisfying the custom required loss of power supply probability (LPSP).

TL;DR: In this paper, the main portion of the review discusses the progress and development of various catalysts for NOx removal from exhaust by NO decomposition, NO reduction by CO or H-2 or NH3 or hydrocarbons.

TL;DR: In this article, the authors employ US annual data from 1949 to 2006 to compare the causal relationship between renewable and non-renewable energy consumption and real GDP, respectively, showing that the Toda-Yamamoto causality tests reveal the absence of Granger-causality.

TL;DR: In this article, an experimental investigation has been carried out to analyze the performance and emission characteristics of a compression ignition engine fuelled with Karanja oil and its blends (10, 20, 50% and 75%) vis-a-vis mineral diesel.

TL;DR: In this paper, a study of the appropriateness of glass cover on a thermosyphon-based water-heating photovoltaic-thermal (PV/T) system was carried out.

TL;DR: In this article, a procedure of simulation and modelling solar cells and PV modules, working partially shadowed in Pspice environment, is presented, where simulation results have been contrasted with real measured data from a commercial PV module of 209 Wp from Siliken.

TL;DR: In this article, support vector machine (SVM) is used to predict hourly building cooling load, which can achieve better accuracy and generalization than the traditional back-propagation (BP) neural network model.

TL;DR: In this paper, an ANN model was developed to predict a correlation between brake power, torque, brake specific fuel consumption, brake thermal efficiency, volumetric efficiency and emission components using different gasoline-ethanol blends and speeds as inputs data.

TL;DR: In this paper, the heat transfer process during melting (charge) and solidification (discharge) of five small heat exchangers working as latent heat thermal storage systems was investigated experimentally, and the results showed that the double pipe heat exchanger with the PCM embedded in a graphite matrix (DPHX-PCM matrix) is the one with higher values, in the range of 700-800 W/m 2 -K, which are one order of magnitude higher than the ones presented by the second best.

TL;DR: In this article, the thermal performances of a PCM copolymer composite wallboard has been experimentally investigated in a full scale test room and the results show that the PCM wallboards enhance the natural convection in the room and then there is no thermal stratification contrary to the room without composite.

TL;DR: In this paper, the authors present a thermal comfort analysis for residential buildings based on thermal comfort models and thermal comfort scales, which are defined in an algorithm, easily implementable in any BES code.

TL;DR: In this article, a single slope-single basin solar still with and without phase change material (PCM) under the basin liner of the still has been investigated by computer simulation.

TL;DR: In this article, the authors investigated the energy equivalence of inputs used in the production of cherries in Turkey and found that the input of fertilizer is the highest in terms of energy efficiency.

TL;DR: In this paper, a substitute fuel for diesel engines was produced from inedible animal tallow and its usability was investigated as pure biodiesel and its blends with petroleum diesel fuel in a diesel engine.

TL;DR: In this article, the effect of geometrical parameters on the performance of the rotors in terms of coefficient of static torque, coefficient of torque and coefficient of power was investigated in an open jet wind tunnel.

TL;DR: In this article, low temperature organic rankine cycle (ORC) was used as a bottoming cycle in medium and large scale combined cycle power plants to achieve high energy efficiency.

TL;DR: In this paper, the optimum thickness of five insulation materials including expanded polystyrene, extruded poly styrene, foamed polyurethane, perlite, and Foamed polyvinyl chloride are calculated with a typical residential wall using solar-air cooling and heating degree-days analysis and P 1 − P 2 economic model.

TL;DR: In this paper, the authors reported on the successfully production of biodiesel by transesterification of crude rice bran oil (RBO) by three-step process, which included two-steps pretreatment process in the presence of sulfuric acid catalyst.

TL;DR: In this article, the authors presented the life cycle cost analysis of the single slope passive and hybrid photovoltaic (PV/T) active solar stills, based on the annual performance at 0.05 m water depth.

TL;DR: In this article, a life cycle assessment (LCA) was conducted for palm biodiesel in order to investigate and validate the popular belief that palm biodies is a green and sustainable fuel.

TL;DR: In this paper, the authors provide a comprehensive picture of the global scenario of applications of porous medium combustion (PMC) so as to enable the researchers to decide the direction of further investigation.

TL;DR: In this article, a detailed analysis of a carbon dioxide transcritical power cycle using an industrial low-grade stream of process gases as its heat source is presented, which is divided in four steps: energy analysis, exergy analysis, finite size thermodynamics and calculation of the heat exchangers' surface.

TL;DR: In this article, an attempt has been made to develop analytical expression for electrical efficiency of photovoltaic (PV) module with and without flow as a function of climatic and design parameters.

TL;DR: In this paper, a linear programming cost minimization model for the high level system design and corresponding unit commitment of generators and storage within a microgrid is developed, and applied to a set of United Kingdom commercial load profiles, under best current estimates of energy prices and technology capital costs, to determine investment attractiveness of the microgrid.

TL;DR: In this article, an exergy analysis for each cogeneration system is examined, and a parameter optimization for each system is achieved by means of GA to reach the maximum exergy efficiency.