2520 Articles found
Inderscience Publishers Articles
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Performance and emission characteristics of CI engine, fuelled with diesel and oxygenated fuel blends
Vegetable oils are a potential alternative towards partial or total substitution of diesel fuels. In this study, we used ethanol as the solvent, and a bio fuel enhancer as additive to explore the possible use of higher percentages of biodiesel in an ...
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Assessment of a CHP system based on economical, fuel consumption and environmental considerations
Combined heat and power (CHP) systems which are able to produce heating and power simultaneously, are getting more attention since they have many economical and environmental benefits. CHP systems for buildings are an important application of CHP on ...
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Single solvents, solvent blends, and advanced solvent systems in CO<div style="display : inline; font-size:xx-small;">2</div> capture by absorption: a review
CO2 capture by absorption requires solvents which can meet performance criteria such as fast absorption rate, high CO2 loading capacity, low regeneration energy, low degradation rate, low corrosiveness, low environmental impact and low solvent cost. ...
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Cyclic CO<div style="display : inline; font-size:xx-small;">2</div> capture performance of CaO–based sorbents obtained from various precursors
The effects of pore morphology and crystal structure of CaO–based sorbents derived from various precursors were investigated to elucidate the property dependence of CaO–based sorbent performance for cyclic CO2 capture. The results indicate that CO2 ...
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Solution of non–linear neutron point kinetics equations with feedback reactivity in nuclear reactor dynamics
In this paper, an efficient numerical procedure for calculating the solution of the non–linear neutron point kinetics equations in the field of nuclear reactor dynamics is presented. The explicit finite difference method is applied to solve the ...
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The impact of biodiesel policy over raw material acquisition: a study about Brazilian Biodiesel National Programme
The aim of this article is to highlight and discuss the impacts of National Programme for Production and Use of Biodiesel - PNPB. This programme has some unique characteristics such as the incentive to social inclusion and local development by ...
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The potential of green gas in the Dutch transport sector
In theory, green gas has the potential to become an attractive alternative for fossil fuels so as to contribute to the transport sector becoming more sustainable and environment–friendly. However, the large–scale implementation of green gas is ...
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European biodiesel market and rapeseed oil: what impact on agricultural food prices?
The last decade has seen a rapid increase in the production and consumption of biodiesel in the EU. This development has been especially stimulated by EU policy as a means to promote energy security and to reduce the emissions of greenhouse gases. ...
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GHG balance of biodiesel production and consumption in EU
The promotion of biofuels as energy for transportation in the industrialised countries is mainly driven by the perspective of oil depletion, concerns about energy security and global warming. Nevertheless, the production of biofuels entails ...
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Design, control and performance analysis of a standalone solar–PV energy generating system
This paper presents the design, control and performance of a low power standalone solar–photovoltaic (PV) energy generating system. The system includes a maximum power point tracking (MPPT) controller along with a full bridge DC–DC converter, an ...
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Earthy, solaris and atmospheric energy sources
Earth, sun and atmosphere are the ultimate energy resources. In addition to fossil fuels, earth radiates over 45 TW geothermal energy. Sun radiates about 89 PW energy to earth's surface. Lunar gravity supplies over 100 GW tidal ocean energy. ...
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Performance comparisons of grid connected SPV system with different MPPT algorithms
This paper presents a performance analysis of grid connected SPV system for different maximum power point tracking (MPPT) algorithms. The detailed mathematical model of grid connected three–phase solar photovoltaic (SPV) system with parametric model ...
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Terminal characteristics of type 1 wind generating systems with magnetic saturation
This paper proposes a simple method of incorporating magnetic saturation in determining terminal characteristics of a type 1 wind generating system employing a squirrel–cage induction generator. In determining the terminal characteristics, the ...
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Review of coal as a promising source of lithium
Coals are a major source of pollution in certain parts of the world due to mining, coal combustion, and disposal of fly ash. The recovery of valuable rare metals from coals or coal–processing byproducts is a promising way to utilise these ...
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3G technology controlled brushless DC motor drive system using hybrid bacterial foraging–particle swarm optimisation
Instant messaging among mobile phone allows rapid transmission of short messages that permit any person to share ideas, opinions and other appropriate information. In this paper, the proposed control system is based on the 3G technology, which ...
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Nonlinear phenomena in DC–DC buck converter by means of iteration mapping technique
In this paper, the nonlinear phenomenon in DC/DC buck converter is studied. A practical design for a DC/DC buck converter was considered in this study, which results in a more comprehensive understanding for the phenomenon. The nonlinearity of the ...
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An efficient sliding–mode current controller with reduced flickering for quadratic buck converter used as LED lamp driver
This paper presents mathematical analysis, design and simulation of a quadratic buck converter used as LED lamp driver, and the performance of the converter is compared with two different control strategies. The objective is to provide tight ...
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Power quality problem mitigation by unified power quality conditioner: an adaptive hysteresis control technique
An adaptive hysteresis current and voltage control technique for controlling Unified Power Quality Conditioner (UPQC) is proposed in this paper. The novelty of the proposed method is the series and shunt active power filters (APF) present in the ...
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Security of energy supply in Japan: a key strategy and solutions
Energy is essential for goods and services. Japan's economy is dependent on imported energy which is 85% per year, the highest percentage among industrialised nations. The study measures energy supply security (ESS). Four indices; dependency index, ...
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Driving force factor analysis of global carbon intensity changes
This paper presents the first attempt to analyse the driving force factors of global carbon intensity changes. The said changes from 1998 to 2009 are decomposed into a summation of the quantitative effects of three dimensions: 1) time; 2) emitter ...