WEBJan 1, 2013 · Abstract. Based on research of the relationship between the industrial analysis of coal composition and the calorific value, a multiple linear regression support vector machine model for ...
WEBAug 1, 2016 · The calorific value of solid fuels, also referred to as the gross calorific value (GCV) or the higher heating value (HHV), is a crucial property for its use as a fuel in energy systems. The HHV of coal as a resource can be predicted by more effective algorithms that use schedule information in engineering, like ultimate analysis, enabling fast ...
WEBApr 1, 2019 · The gross calorific value (GCV) of coal is a key. yardstick for many end users purchasing coal from suppliers, as it. pr ovides a clear measure of the useful energy content of a coal. Several ...
WEBDOI: / Corpus ID: ; Research on onsite measurement factors and performance of coal calorific value based on laser ignition article{Zhang2023ResearchOO, title={Research on onsite measurement factors and performance of coal calorific value based on laser ignition}, author={Xuegang Zhang .
WEBFeb 15, 2015 · With the PLSAbased nonlinear regression model, online coal calorific value prediction from the multiband flame radiation features under the operating conditions used by the industrial boiler has ...
WEBJul 5, 2020 · The accurate estimation of the calorific value of coal with the help of models is very important for the design and operation of coalbased technologies. This study proposes a new combined ...
WEBOct 1, 2011 · The efficiency is dependent, among others, on coal quality parameters, since the efficiency of the boiler is a function of gross calorific value and content of ballast in coal. The energy value of ...
WEBEstimate the higher calorific value and the lower calorific value of this fuel, taking the specific enthalpy of the water vapour formed by combustion to be 2442 kJ/kg. Solution: One kg of carbon burning to CO2 liberates 35000 kJ, and one kg of hydrogen liberates 143000 kj, when the products of combustion are cooled down to 25°C.
WEBDOI: / Corpus ID: ; Online identifiion of the lower heating value of the coal entering the furnace based on the boilerside whole process models
WEBOct 26, 2021 · India, the world's third largest coal producing country, is expected to maintain strong dependency on coal for the coming few decades. The gross calorific value (GCV) of coal is a key yardstick ...
WEBJun 1, 2024 · Therefore, the combination of these two technologies can realize the measurement of the whole components of coal, which is the optimal choice for measuring coal calorific value. Recently, we have successfully developed a rapid coal calorific value analyzer based on NIRSXRF technology [21], which has been applied in a .
WEBJan 1, 2023 · The accurate estimation of the calorific value of coal with the help of models is very important for the design and operation of coalbased technologies.
WEBNov 13, 2022 · The objective of this study was to compare different statistical algorithms for estimating the calorific value of coal based on a quantitative analysis of the elements in coal. Laserinduced breakdown spectroscopy (LIBS) was applied for the elemental analysis. Three different algorithms, including the correlation analysis (CA) method, the .
WEBJan 1, 2021 · In the process of gathering data on coalrelated compounds, data on biomass and other gaseous, liquid, and solid fuels were added to the data set. ... While these models show some promise in predicting the higher heating value of coal tar postpyrolysis, a larger data set would benefit this analysis and allow for greater confidence in .
WEBNet calorific value. This is the calorific value of the fuel, excluding the energy in the steam discharged to the stack,and is the figure generally used to calculate boiler efficiencies. In broad terms: Accurate control of the amount of air is essential to boiler efficiency: Too much air will cool the furnace, and carry away useful heat.
WEBDec 1, 2023 · A new disposal process for coal gangue with different properties is developed. • The system is selfsustaining by burning pyrolytic oil, gas and partial char. • The system is more economical to treat ultralow calorific value coal gangue. • The recommended pyrolysis temperature is about 600 ℃ for industry process. •
WEBJan 1, 2019 · Semantic Scholar extracted view of "Estimation of low calorific value of blended coals based on support vector regression and sensitivity analysis in coalfired power plants" by Minfang Qi et al.
WEBThe calorific value is a function of the moisture content of the fuel. In literature the calorific value of fuels are generally reported on moisture free basis. To obtain the calorific value on moisture free basis, take the fuel and keep it for the estimation of moisture using appropriate procedure such as standard oven method.
WEBFurthermore, the estimation of calorific value of coal samples based on proximate analysis factors is performed using multivariable regression, the Minitab 16 software package, and the ANFIS, Matlab software package. ... (FANNs) have been extensively studied to present process models, and their use in industry has been rapidly growing .
WEBApr 12, 2022 · With the PLSAbased nonlinear regression model, online coal calorific value prediction from the multiband flame radiation features under the operating conditions used by the industrial boiler has ...
WEBFeb 1, 2024 · The calorific value of solid fuels, also referred to as the gross calorific value (GCV) or the higher heating value (HHV), is a crucial property for its use as a fuel in energy systems. The HHV of coal as a resource can be predicted by more effective algorithms that use schedule information in engineering, like ultimate analysis, enabling fast ...
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