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This study examines the feasibility of harnessing biogas from waste biomass, to replace natural gas used in fast-acting turbines that manage the intermittency of the Irish Electric Grid, in a high renewables penetration scenario. A simplified model of the complex national grid was developed to mimic the exchange of electricity across the country's largest generation points and consumption centers...
This paper focuses on modelling and subsequent comparisons of co-generation units with combustion engines. It provides substantial information about co-generation units. The document refers to a simulated co-generation unit delivering the power of 600kWe/657kWt, 1200kWe/1191kWt and 2000kWe/1990kWt.
With the numerous and complex parameter interactions that take place during the operation of an engine, the optimization of its performance in terms of alternative fuels is difficult, as dynamometers with conventional technology are unable to make significant measurements for alternative fuels. In this study, an electronically controlled dynamometer system capable of measuring a number of specific...
Nowadays the use of data centers is largely growing for internet activities or network-based works. Frequently, the data center main use is to handle data and operations that are judged to be classified or essential, such as safety related applications or company/government databases. The IT services, with the advent of cloud computing, become a progressively critical part of everyday business activities,...
There is growing global interest on bio-methane as a vehicular fuel and Europe Union (EU) has stated that this as a best well-to-wheel fuel. Commercialization of bio-methane under atmospheric conditions is limited due to its requirement of higher storage capacity. Compressed bio-methane systems have been currently commercialized in Europe in order to increase its low energy density however the process...
The paper deals with a microcogenerator prototype of 10 kW of electric power and about 20 kW of thermal power, suitable for indipendent local grids (such as small farms or small residential sites) fuelled by gas produced from biomass (both gasifiers or biogas plants). Small power systems (i.e. about 10 kW of electric power) are not optimized to be fed by low heat value gaseous fuels produced by gasifier...
Pakistan is facing severe economic crises due to continuous increasing gap between energy demand and supply. Demand is increasing exponentially and expected to increase more than 66000 MW by 2030 while the supply is observed to remain constant over the last few years due to frozen capacity in spite of having significant renewable/alternate energy resources. Current electricity shortfall has reached...
The existing energy is almost provided by carbon-containing fossil sources such as oil and coal. The rapid consumption of these fossil resources causes an accelerated release of CO2 which is a major cause of global warming and associated climate change. “Green” bio-methane (also named biogas) has the advantage for both reducing over dependency on fossil energy and reducing emissions o CO2 and other...
A quasi-dimensional spark ignition (SI) engine cycle model is used to predict the combustion and exhaust emissions of a gas engine driven generator for the cases of using biogas and liquefied petroleum gas (LPG)-biogas blends. Two different thermodynamic regions consisting of unburned gases and burned gases that are separated by the flame front are considered. Liquefied petroleum gas (0%, 5% and 15%)...
With increasing concern about energy shortage and environmental protection, research on reducing exhaust emissions, reducing fuel consumption, reducing engine noise and increasing specific outputs has become the major researching aspect in combustion and engine development. Alternative fuels such as CNG, HCNG, LPG, LNG, Bio-Diesel, Biogas, Hydrogen, Ethanol, Methanol, Di-Methyl Ether, Producer gas,...
Renewable energy is one of the vital sources to meet partially the global energy demand of developed as well as developing countries. Biogas plant can be one of the major sources of renewable energy in Malaysia as huge amount of palm oil waste is available. Biogas plant can be of different types of which fixed dome and floating cover are in use in many countries for many years. The bag design is becoming...
The fight against climate change and the high import dependency on fossil fuels has led the European Union (EU) to a reinforced renewable energy strategy. Primary aims till 2020 are to reduce CO2-emissions about 20%, to increase the share of renewable energies to 20%, to improve the energy efficiency about 20% and to use about 10% of biofuels. In order to fulfil these ambitious targets especially...
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