Showing papers in "Applied Energy in 2012"

TL;DR: In this article, the authors summarized previous works on latent thermal energy storage in building applications, covering PCMs, the impregnation methods, current building applications and their thermal performance analyses, as well as numerical simulation of buildings with PCMs.

TL;DR: In this article, a review of thermal energy storage (TES) for cold storage applications using solid liquid phase change materials has been carried out, focusing on different aspects: phase change material (PCM), encapsulation, heat transfer enhancement, and the effect of storage on food quality.

TL;DR: In this article, a comparison of selected non-isothermal methods for analyzing solid-state kinetics data is presented, and the results of the kinetic study can be used in modeling devolatilization process through computational fluid dynamics (CFDs) to simulate mass and energy balances.

TL;DR: In this paper, a hybrid photovoltaic/thermal (PV/T) solar system was designed, fabricated and experimentally investigated in this work, where a parallel array of ducts with inlet/outlet manifold designed for uniform airflow distribution was attached to the back of the PV panel.

TL;DR: In this article, a review of district heating and cooling considers technical, economic, and environmental aspects and helps identify possibilities for future study on district energy systems, which is a major factor in the justification for any project, from industrial, governmental and societal perspectives.

TL;DR: In this paper, a case study focused specifically on lighting, small power and catering equipment in a high density office building is analyzed and presented, showing that by combining monitoring data with predictive energy modelling, it was possible to increase the accuracy of the model to within 3% of actual electricity consumption values.

TL;DR: In this paper, a non-radial slacks-based data envelopment analysis (DEA) model was employed to estimate the potential reductions and efficiency of CO 2 emissions for China.

TL;DR: In this article, the authors demonstrate the state of the art of present applications of thermal storage for demand-side management, focusing on the characteristics of DSM and their relationship to different thermal storage systems.

TL;DR: In this article, a multiscale framework with EKF for state-of-charge (SOC) and capacity estimation was proposed, which is a hybrid of coulomb counting and adaptive filtering techniques.

TL;DR: In this paper, the Kalman filter is analyzed in order to find the best configuration for wind speed and wind power forecast, in a hindcast mode, with 2-year-long data sets of wind speed provided by a Numerical Weather Prediction (NWP) model and two anemometric stations located in the eastern Liguria (Italy).

TL;DR: In this paper, the state of the art and future challenges in the recent development of biomass and associated transformation technologies for clean production of biofuels are reviewed, and a discussion of the synergistic integration of various biochemical and bioprocessing technologies is provided.

TL;DR: In this article, feasibility of small-scale Hydro/PV/Wind based hybrid electric supply system to the district is studied, and different system types and their component sizes are identified having a cost of energy less than $0.16/kWh.

TL;DR: In this paper, the paraffin/expanded graphite (EG) composite phase change material (PCM) was prepared by absorbing liquid Paraffin into the expanded graphite, in which paraffIN was chosen as the PCM.

TL;DR: In this paper, the authors systematically review the engine knock phenomenon, including the mechanisms, influencing factors, consequences and detection methods, and propose some new suggestions on the weakness in the researches of knocking combustion.

TL;DR: In this paper, the analysis and comparison of seven (seven) numerical methods for the assessment of effectiveness in determining the parameters for the Weibull distribution, using wind speed data collected in Camocim and Paracuru cities, State of Ceara, in the northeast region of Brazil.

TL;DR: Wang et al. as discussed by the authors empirically studied the influences of urbanization level, economic level, industry proportion, tertiary industry proportion and energy intensity on CO2 emissions in Beijing using improved STIRPAT (stochastic impacts by regression on population, affluence and technology) model.

TL;DR: An improved multi-objective teaching–learning-based optimization is implemented to yield the best expected Pareto optimal front and a novel self adaptive probabilistic modification strategy is offered to improve the performance of the presented algorithm.

TL;DR: In this paper, two hybrid methods are proposed and their performance is compared and two cases show both of them have good performance, which can be applied to the non-stationary wind speed prediction in wind power systems.

TL;DR: In this article, an adaptive extended Kalman filter (AEKF) algorithm was used to estimate LiFePO 4 battery parameters and state-of-charge (SoC) of electric vehicles.

TL;DR: In this article, the potential for low-grade heat recovery with regard to new incentives and technological advances is discussed, and different aspects which influence the decision making for low grade heat recovery in the process industry are discussed.

TL;DR: In this article, an accurate dynamic simulation model for compressed air energy storage (CAES) inside caverns has been developed and validated based on a typical daily schedule operation of the Huntorf plant.

TL;DR: In this article, the authors focus on current developments in offshore wind and ocean energy, highlighting the efforts currently underway in a variety of countries, principally some of the projects typically less talked about such as those in the Asian-Pacific countries.

TL;DR: In this paper, a parametric frontier approach is proposed to estimate economy-wide energy efficiency performance from a production efficiency point of view using the Shephard energy distance function to define an energy efficiency index and adopts the stochastic frontier analysis technique to estimate the index.

TL;DR: In this paper, a penalty based differential evolution (P-DE) method was proposed for extracting the parameters of solar photovoltaic (PV) modules at different environmental conditions.

TL;DR: In this paper, the authors proposed a method to determine individual cell State of Charge (SOC) of a series-connected battery pack using an equivalent circuit based "averaged cell" model.

TL;DR: This study investigated the use of high-pressure homogenization, ultrasonication, bead beating, and sulfuric acid treatment as laboratory-scale disruption methods for microalgal cells.

TL;DR: In this paper, the influence of the crude oil market on non-energy commodity markets before and after the 2008 financial crisis was investigated by constructing a bivariate EGARCH model with time-varying correlation construction.

TL;DR: In this article, the authors compared the short-term performance of a direct injection diesel engine fueled with different 1-butanol/diesel and 1-pentanol-diesel fuel blends, without any modifications of the engine.

TL;DR: In this article, the efficiency of one full charging and discharging cycle of several adiabatic compressed air energy storage (CAES) configurations are analyzed with the help of an energy balance.

TL;DR: In this paper, the suitability of combined optimization criteria on window sizing procedures for low energy consumption with high visual comfort and performance was determined. But, the authors did not consider the impact of these criteria on the solution space.