combustion efficiency analyser Articles

  • Second law analyses on oxy-fuel combustion of gaseous fuels

    The exergy losses in the adiabatic premixed oxy-fuel combustion are quantitatively analysed. The global exergy loss decreases with increasing equivalence ratio. The exergy loss of chemical reaction is comparable to that of internal thermal energy exchange for low equivalence ratio while that of mixing process is negligible. To keep similar thermodynamic characteristics of conventional combustion, ...


    By Inderscience Publishers

  • High temperature combustion of landfill gas

    Type     Compact plant HOFGAS® - Efficiency 250 Commissioning     December 2001 Site     Storkohmo landfill, Kokkola (FIN) Situation Storkohmo landfill is located 400km north of Helsinki on Finland's west coast near the city of Kokkola. Based on local legislation requirements ( reduction of green house gas emissions ) the ...


    By Hofstetter BV

  • Why high temperature combustion of landfill gas?

    Due to the accumulation of knowledge and the tightening of environmental law, the landfill technology has increasingly become concerned with the management of trace compounds in landfill gas. With landfill gas, contamination is through sulphur, chlorine, fluorine, halogenated hydrocarbons and heavy metals. Other trace elements such as volatile organic compounds (VOC), impose environmental ...


    By Hofstetter BV

  • Energy and exergy analyses of a spark-ignition engine

    In this paper, the performance of an internal combustion engine is evaluated at the steady-state condition by application of energy and exergy analysis using the experimental test results. The energy and exergy balances are calculated at different engine speeds. The results show that the heat rejection of energy and exergy flow increases with increasing engine speed. The exergy efficiencies are ...


    By Inderscience Publishers

  • Emissions analyser helps manage power station

    A multiparameter emissions monitor at Thetford power station is being used to demonstrate to the Environment Agency that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Milton Keynes based Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are ...


    By Quantitech Ltd

  • Decomposition analysis of CO2 emissions from fuel combustion in selected countries

    This article introduces an approach applicable to analysing different factors influencing elements relevant in sustainable development like environmental impacts. The approach is built on the idea of IPAT identity and it applies a chained two-factor decomposition technique for calculating numerical estimates for a larger set of contributing factors than traditionally done in applying ...


    By Inderscience Publishers

  • Detailed chemical modelling of a flameless combustion turbine for pollution prevention

    Flameless combustion has been acknowledged as one of the most interesting combustion technologies to meet both the targets of high process efficiency and low pollutant emissions. The present investigation is concerned with the application of the flameless combustion mode to an adiabatic combustor, typically used in gas turbine engines. Detailed chemical kinetics calculations, by means of a ...


    By Inderscience Publishers

  • FTIR Emissions Analyser helps manage UK Power Station

    A Gasmet FTIR multiparameter emissions monitor at Thetford power station is being used to demonstrate that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Gasmet’s UK distributor Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are displayed ...


    By Gasmet Technologies Oy

  • FTIR emissions analyser helps manage UK power station

    A Gasmet FTIR multiparameter emissions monitor at Thetford power station is being used to demonstrate that the plant is performing within the conditions of its environmental permit. However, the data from the analyser, which was supplied by Gasmet’s UK distributor Quantitech, also performs a vitally important role in helping to manage the plant. “Individual gas readings are displayed ...


    By Quantitech Ltd

  • Reliable silica monitoring supports power station efficiency

    West Burton B CCGT is a Combined Cycle Gas Turbine power station near Nottingham in the UK. It has three open-cycle gas turbines capable of generating enough electricity for approximately 1.5 million UK homes. In common with all combustion based power stations, the CCGT has a requirement to monitor silica levels in the Plant’s water and steam processes. Sean Todd, the Plant’s Control ...

  • Combustion, performance and emission analysis of diesel engine fuelled with methyl esters of Pongamia oil

    The methyl esters of vegetable oils, known as biodiesel are increasingly becoming popular because of their low environmental impact and potential as a green alternative fuel for diesel engine, and that they would not require significant modification of existing engine hardware. Methyl ester of Pongamia oil (PME) is derived through transesterification process. Experimental investigations have been ...


    By Inderscience Publishers

  • Exergy analysis of natural gas/DME combustion in homogeneous charge compression ignition engines (HCCI) using zero–dimensional model with detailed chemical kinetics mechanism

    In the present work, a single zone combustion model with detailed chemical kinetics is developed to study the effect of dimethyl ether (DME) concentration on the combustion of natural gas from second law point of view in a homogeneous charge compression ignition (HCCI) engine. The code can predict all exergy terms in the cylinder with crank angle during a closed cycle. The chemical kinetics ...


    By Inderscience Publishers

  • Xp3 Fuel Efficiency and Maintenance Case Study by Pepsi Guatemala

    PEPSI Guatemala Fuel: Diesel Machine/Type: Truck/Motor Test: Fuel Efficiency and Maintenance OBJECTIVE Evaluation of Xp³ for Diesel’s effectiveness in transport units Nos. 950 y 945. Fuel consumption history, oil analysis, and injectors were checked before Xp³ was added. Oil analyses were conducted after 5,352 km, with and without Xp³. In addition, a detail record of ...


    By Xp3 Canada

  • Advanced processes for low rank coal drying and dewatering in high efficient power plants

    During the combustion of high-moisture lignites (50?60 wt.%) in conventional power plants, a substantial amount of the energy content is required to evaporate the water. With a view to secure and strengthen brown coal's position as high available energy source, in recent years many attempts have been made to develop technologies for an energy-efficient drying or dewatering process. In this paper ...


    By Inderscience Publishers

  • Effects of varying air-fuel ratio on the performance of a theoretical Diesel cycle

    This paper analyses the effects of varying air-fuel ratio on the performance of a theoretical Diesel cycle under a temperature restriction as maximum. Amount of heat addition at constant pressure is defined as a function of fuel's energy with utilising the combustion efficiency. The amount of released energy into the cylinder restricts the compression ratio. Relations between the combustion ...


    By Inderscience Publishers

  • The effects of variable specific heats of working fluid on the performance of an irreversible Otto cycle

    The performance of an air-standard Otto cycle with variable specific heats of working fluid and heat resistance and friction irreversible losses is analysed by using finite-time thermodynamics. The relations between the power output and the compression ratio, between the thermal efficiency and the compression ratio, as well as the optimal relation between power output and the efficiency of the ...


    By Inderscience Publishers

  • Exergy analysis of a steam power plant: a case study in Iran

    In the last decades, exergy analysis, based on the second law of thermodynamics was a method that substituted the energy analysis in studying thermodynamic systems. In this paper, the cycle of a power plant and its details, with two kinds of fuels, natural gas and diesel, have been analysed at its maximum load and the two factors, losses and exergy efficiency, which are the basic factors used to ...


    By Inderscience Publishers

  • Exergy and energy analysis of an AC steel electric arc furnace under actual conditions

    The energy and exergy analyses of an existing steel Electric Arc Furnace (EAF) are performed to estimate the potential for increasing the furnace efficiency. To obtain realistic results, the effect of air infiltration into the furnace was taken into account. The results of the analyses revealed that the energy and exergy efficiencies of the furnace are low and should be increased. The main ...


    By Inderscience Publishers

  • Exergy analysis of gas turbine – solid oxide fuel cell–based combined cycle power plant

    Fuel cell technology is one of the promising systems for cleaner and competitive alternate power generation systems. When the high temperature fuel cells like solid oxide fuel cell and molten carbon fuel cell are integrated with the gas turbines, the total thermal efficiency of the combined cycle can be obtained greater than 60%. In the present work, thermodynamic analysis of SOFC–GT combined ...


    By Inderscience Publishers

  • Relationships among loss-on-ignition and unburned carbons, and the FTIR photoacoustic spectra of fly ashes

    Loss-on-ignition (LOI) and unburned carbon (UC) concentrations of fly ash are two very important indices for evaluating combustion efficiencies of boilers. They are also very important factors affecting the utilisation of fly ashes. The LOI and UC of five fly ash samples collected from different power plants were analysed. The Fourier-transform infrared (FTIR) photoacoustic spectra (PAS) of these ...


    By Inderscience Publishers

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