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adsorption energies agricultural wastes air bottoming cycle air-blown gasification alternative technologies binding energy biomass biomass gasification biomass particle cellulosic ethanol charge coupled devices coal cogeneration plants combustion combustion equipment combustion kinetics controlling p costs cracking (chemical) devolatilization downdraft gasifier drying drying kinetic effective efficiencies efficiency electric power electric power generation en engines entrained-flow gasifier equilibrium evaporation rate exhaust gases exhaust systems (engine) experimental determination flow of gases fuels gas gas formation gas turbine gas turbine power plants gas turbines gas-turbine plant gasification heat engines heat transfer high heating rates high-temperature air heating igcc image analysis industrial processs injection integrated gasification combined cycle internal combustion engines is kinetics mathematical modeling modelling moisture moisture determination molecules natural gasoline plants optical filters oxidation process particle beams photointerpretation plants power-generation pulsed laser applications pyrolysis pyrometry regenerative ceramic heat exchangers regenerators regime maps research methods spectrum analysis staged gasification statistical processing syngas technologies temperature distributi thermoanalysis thermochemical conversion thermodynamic stability thermodynamics visual observation waste heat waste heat recovery waste heat util waste incineration wood wood biomass. mathematical modeling

   
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Technical-economic evaluation of medium-power gas turbine plant with air bottoming cycle

Mikheev A.V., Potanina Y.M. Technical-economic evaluation of medium-power gas turbine plant with air bottoming cycle // E3S Web of Conferences. Vol.114. ID: 07005. 2019. DOI: 10.1051/e3sconf/201911407005 A developed mathematical model of a gas turbine power plant with an additional air bottoming cycle to utilize heat of exhaust gases was used to carry out a technical and economic analysis. The approach used in the study is aimed at solving two types of optimization problems: (1) to determine the...

Теги: air bottoming cycle , efficiency , electric power , gas turbine , gas-turbine plant , waste heat recovery , combustion , costs , electric power generation , exhaust gases , gas turbine power plants , gas turbines , natural gasoline plants , waste heat , waste heat util
Раздел: ИСЭМ СО РАН
A method of studying thermochemical conversion of single biomass particles in an intense air flow

Svishchev D.A., Kozlova M.A., Ralnikov P.A. A method of studying thermochemical conversion of single biomass particles in an intense air flow // Journal of Physics: Conference Series. Vol.1261. No.1. ID: 012036. 2019. DOI: 10.1088/1742-6596/1261/1/012036 There are many methods for obtaining kinetic data of thermochemical conversion of fuel particles. These methods to some extent reproduce the conditions of industrial processes. At the same time, there is a lack of methods reproducing the conditions...

Теги: combustion , flow of gases , fuels , biomass particle , downdraft gasifier , high heating rates , industrial processs , research methods , statistical processing , thermochemical conversion , visual observation
Раздел: ИСЭМ СО РАН
Thermoanalytical study of drying kinetics of lignocellulosic fuels

Donskoy I.G., Kozlov A.N., Shamanskiy V.A. Thermoanalytical study of drying kinetics of lignocellulosic fuels // Journal of Physics: Conference Series. Vol.1261. No.1. ID: 012009. 2019. DOI: 10.1088/1742-6596/1261/1/012009 Lignocellulosic matter is usually hydrophilic, so its drying, in addition to the heat of the phase transition for water, also requires compensation of adsorption energy. In the present work experimental studies have been carried out to quantify the moisture adsorption energy,...

Теги: binding energy , cellulosic ethanol , combustion , moisture , moisture determination , molecules , thermoanalysis , wood , adsorption energies , drying kinetic , evaporation rate , experimental determination , is
Раздел: ИСЭМ СО РАН
DEVELOPMENT OF MATHEMATICAL MODEL OF THE SYSTEM OF HIGH-TEMPERATURE CERAMIC HEAT EXCHANGERS OF PERIODIC ACTION

... plants, in which the processes of electric power generation are combined with the processes of coal gasification. Interest in this direction is explained by large natural reserves of coal and minimal harmful emissions into the atmosphere during the combustion of gas obtained during gasification. Asa rule, to improve the quality of gasification, air enrichment with oxygen is used, which is very expensive. An alternative way to increase the calorific value of the generator gas is to supply air heated ...

Теги: high-temperature air heating , regenerative ceramic heat exchangers , integrated gasification combined cycle , air-blown gasification , mathematical modeling , power-generation , technologies , regenerators , combustion , efficiency , plants
Раздел: ИСЭМ СО РАН
Modeling of Combined Heat and Power Plant Based on a Multi-stage Gasifier and Internal Combustion Engines of Various Power Outputs

Khudyakova G.I., Kozlov A.N., Svishchev D.A. Modeling of Combined Heat and Power Plant Based on a Multi-stage Gasifier and Internal Combustion Engines of Various Power Outputs // Journal of Physics: Conference Series. Vol.891. No.1. ID: 012200. 2017. DOI: 10.1088/1742-6596/891/1/012200 The paper is concerned with an integrated system of internal combustion engine and mini combined ...

Теги: cogeneration plants , combustion , combustion equipment , efficiency , engines , exhaust gases , exhaust systems (engine) , gasification , heat engines , internal combustion engines , effective efficiencies , en
Раздел: ИСЭМ СО РАН
Influence of volatiles oxidation processes on kinetics of sawdust combustion

Donskoy I., Kozlov A., Shamanskiy V. Influence of volatiles oxidation processes on kinetics of sawdust combustion // MATEC Web of Conferences. Vol.115. 2017. DOI: 10.1051/matecconf/201711503015 The paper considers influence of the devolatilization on the combustion of a small woody particle at TGA conditions. Differences between woody char and raw sawdust ...

Теги: kinetics , combustion kinetics , devolatilization , gas formation , oxidation process , combustion
Раздел: ИСЭМ СО РАН
Coal gasification process simulations using combined kinetic-thermodynamic models in one-dimensional approximation

Donskoy I.G., Shamansky V.A., Kozlov A.N., Svishchev D.A. Coal gasification process simulations using combined kinetic-thermodynamic models in one-dimensional approximation // Combustion Theory and Modelling. Vol.21. No.3. 2017. P.529-559. DOI: 10.1080/13647830.2016.1259505 Mathematical models are developed for the description of solid fuel conversion in fixed-bed and entrained flow gasification reactors. The proposed models ...

Теги: gasification , coal , modelling , thermodynamics , kinetics , entrained-flow gasifier , biomass gasification , syngas , combustion , igcc , equilibrium , injection , gas
Раздел: ИСЭМ СО РАН
Numerical investigation of the staged gasification of wet wood

... disadvantages of conventional processes to be avoided. One of the previously proposed staged processes is investigated in this paper. For this purpose, mathematical models were developed for individual stages of the process, such as pyrolysis, pyrolysis gas combustion, and semicoke gasification. The effect of controlling parameters on the efficiency of fuel conversion into combustible gases is studied numerically using these models. For the controlling parameter are selected heat inputted into a pyrolysis ...

Теги: regime maps , staged gasification , wood biomass. mathematical modeling , agricultural wastes , biomass , combustion , cracking (chemical) , drying , efficiency , pyrolysis , thermodynamic stability , waste incineration , wood , alternative technologies , controlling p
Раздел: ИСЭМ СО РАН
Simultaneous velocity and temperature field measurement of high-temperature flows

Mikheev A., Zubtsov V. Simultaneous velocity and temperature field measurement of high-temperature flows // DLR-Mitteilung. 2001. P.377-381. The problem of temperature distribution detection using IR pyrometry in high temperature flows is addressed. Two-wavelength IR pyrometry being a direct and passive technique seems to be attractive method of obtaining 2D or even 3D temperature field as an expansion of conventional PIV or PTV. As opposed to conventional PIV and PTV the inherent blackbody radiation...

Теги: charge coupled devices , combustion , heat transfer , image analysis , optical filters , particle beams , photointerpretation , pulsed laser applications , pyrometry , spectrum analysis , temperature distributi
Раздел: ИСЭМ СО РАН


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