Showing papers in "Applied Energy in 2010"

TL;DR: In this article, the main factors affecting the yield of biodiesel, i.e. alcohol quantity, reaction time, reaction temperature and catalyst concentration, are discussed, as well as new new processes for biodiesel production.

TL;DR: In this paper, a review of the different computer tools that can be used to analyse the integration of renewable energy is presented, and the results in this paper provide the information necessary to identify a suitable energy tool for analysing the integration into various energy-systems under different objectives.

TL;DR: A review of the trend of development of photovoltaic/thermal technology, in particular the advancements in recent years and the future work required can be found in this article.

TL;DR: An overview of the technologies in the production of biodiesel from microalgae, including the various modes of cultivation for theproduction of oil-rich microalgal biomass, as well as the subsequent downstream processing for biodiesel production is provided.

TL;DR: In this article, the authors reviewed the current state of the simulation, optimization and control technologies for the stand-alone hybrid solar-wind energy systems with battery storage, and found that continued research and development effort in this area is still needed for improving the systems' performance, establishing techniques for accurately predicting their output and reliably integrating them with other renewable or conventional power generation sources.

TL;DR: The conversion of vegetable oils into biodiesel is an effective way to overcome all the problems associated with the vegetable oils, such as high fuel viscosity, high ignition delay and longer combustion duration and hence low particulate emissions as discussed by the authors.

TL;DR: In this paper, the authors provide an update on recent developments in heat pump systems, and is intended to be a "one-stop" archive of known practical heat pump solutions.

TL;DR: In this paper, the authors proposed an economic model of incentive-based and time-based demand response (DR) programs for the Iranian power system, and evaluated the impact of these programs on load shape and load level, and benefit of customers as well as reduction of energy consumption.

TL;DR: In this article, the causal relationship between carbon dioxide emissions, electricity consumption and economic growth within a panel vector error correction model for five ASEAN countries over the period 1980-2006 was examined.

TL;DR: In this paper, the authors evaluated the energy efficiency of different biogas systems, including single and co-digestion of multiple feedstock, different biogenetic pathways, and waste-stream management strategies.

TL;DR: A comprehensive comparison study on the application of different artificial neural networks in 1-h-ahead wind speed forecasting shows that even for the same wind dataset, no single neural network model outperforms others universally in terms of all evaluation metrics.

TL;DR: In this article, the authors discuss the various hypotheses associated with the causal relationship between electricity consumption and economic growth along with a survey of the empirical literature, focusing on country coverage, variables selected and model specification, econometric approaches, various methodological issues, and empirical results.

TL;DR: A detailed literature review of the research and developments of the vertical-borehole ground-coupled heat pump (GCHP) technology for applications in air-conditioning is given in this paper.

TL;DR: In this article, the authors present a modeling framework for stochastic generation of high-resolution series of such data, which generates both synthetic activity sequences of individual household members, including occupancy states and domestic electricity demand based on these patterns.

TL;DR: The authors used multivariate co-integration Granger causality tests to investigate the correlations between carbon dioxide emissions, energy consumption and economic growth in China, and found that the adoption of a reduction in CO2 emissions and energy consumption as a long term policy goal will result in a closed-form relationship, to the detriment of the economy.

TL;DR: In this paper, a Life Cycle Assessment (LCA) approach was used to evaluate the impact of crop residue removal on the final GHG balance and the cumulative primary energy demand.

TL;DR: In this article, a numerical model of an ORC and an experimental study carried out on a prototype working with refrigerant HCFC-123, whose heat sources consist in two hot air flows.

TL;DR: It is come up with that the SA algorithm gives better result than the Response Surface Methodology (RSM) in the study of optimizing size of a PV/wind integrated hybrid energy system with battery storage.

TL;DR: Tidal energy has the potential to play a valuable part in a sustainable energy future and is an extremely predictable energy source, depending only on the gravitational pull of the moon and the sun and the centrifugal forces created by the rotation of the earth-moon system as discussed by the authors.

TL;DR: In this article, a low-temperature waste heat thermoelectric generator setup has been constructed to investigate viability and further performance of the generator for waste heat recovery in industry area.

TL;DR: This review attempts to discuss the currently available information on Jatropha species identity, taxonomy and description, distribution and ecological requirements of the species, possibilities of exploitation of genetic potentiality, exploitation of existing diversity for yield and oil content by direct selection, hybridization and creation of diversity by mutation, and biotechnological interventions.

TL;DR: A carbon-based solid acid catalyst was used to simultaneously catalyze esterification and transesterification to synthesis biodiesel when a waste vegetable oil with large amounts of free fatty acids (FFAs) was used as feedstock as discussed by the authors.

TL;DR: Based on the energy flow of combined cooling, heating and power (CCHP) system, the capacity and operation of CCHP system are optimized by genetic algorithm (GA) so as to maximize the technical, economical and environmental benefits achieved by CCHPs system in comparison to separation production system.

TL;DR: In this paper, the impact of oil prices on Vietnam's stock market has been investigated and the authors find that stock prices, oil prices and nominal exchange rates are cointegrated, and oil prices have a positive and statistically significant impact on stock prices.

TL;DR: In this paper, a mixed-integer linear programming (MILP) model has been developed for the integrated plan and evaluation of DER systems, given the site's energy loads, local climate data, utility tariff structure, and information on candidate DER technologies, the model minimizes overall energy cost for a test year by selecting the units to install and determining their operating schedules.

TL;DR: In this paper, a detailed thermal and electrical model is developed to calculate the temperature and electrical parameters of a typical PV/T air collector, including solar cell temperature, back surface temperature, outlet air temperature, opencircuit voltage, short-circuit current, maximum power point voltage, etc., and an analytical expression for the overall energy efficiency is derived in terms of thermal, electrical, design and climatic parameters.

TL;DR: In this article, a multi-objective optimization model is developed to analyze the optimal operating strategy of a DER system while combining the minimization of energy cost with the minimisation of environmental impact which is assessed in terms of CO2 emissions.

TL;DR: In this paper, the authors studied the energy balance between the input and the output per unit area for greenhouse cucumber production and found that the contribution of energy inputs on crop yield was significant.

TL;DR: In this paper, the authors investigate the possibility of supplying electricity from a solar-wind hybrid system to a remotely located model community detached from the main electricity grid in a remote location.

TL;DR: The main arguments of empirical studies on the EU ETS are summarized in terms of the operating mechanism and economic effect, which are two crucial topics and have been attached much attention.