Temat: pyrolysis gas - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Characteristics of single wood particle pyrolysis using particle image velocimetry
Autorzy:: Kluska, J.
Ronewicz, K.
Kardaś, D.
Powiązania:: https://bibliotekanauki.pl/articles/240493.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: pyrolysis
particle image velocimetry
gas cushion
piroliza
anemometria obrazowa
poduszka gazowa
Opis:: This study examines the pyrolysis of a single cylindrical wood particle using particle image velocimetry (PIV). The pyrolysis was conducted inside a pyrolysis reactor designed for this purpose. The experimental setup presented in this paper is capable of effectively characterizing the intensity of pyrolysis based on velocity distribution in the vicinity of wood particles. The results of the gas velocity distribution show that evaporation of moisture has as a major impact on the formation of the gas cushion as devolatilization.
Źródło:: Archives of Thermodynamics; 2018, 39, 2; 3-13
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Prediction of coking dynamics for wet coal charge
Autorzy:: Kardaś, D.
Polesek-Karczewska, S.
Ciżmiński, P.
Stelmach, S.
Powiązania:: https://bibliotekanauki.pl/articles/185719.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: pyrolysis
devolatilisation
vaporisation
internal gas pressure
piroliza
odparowanie
wewnętrzne ciśnienie gazu
Opis:: A one-dimensional transient mathematical model describing thermal and flow phenomena during coal coking in an oven chamber was studied in the paper. It also accounts for heat conduction in the ceramic oven wall when assuming a constant temperature at the heating channel side. The model was solved numerically using partly implicit methods for gas flow and heat transfer problems. The histories of temperature, gas evolution and internal pressure were presented and analysed. The theoretical predictions of temperature change in the centre plane of the coke oven were compared with industrialscale measurements. Both, the experimental data and obtained numerical results show that moisture content determines the coking process dynamics, lagging the temperature increase above the water steam evaporation temperature and in consequence the total coking time. The phenomenon of internal pressure generation in the context of overlapping effects of simultaneously occurring coal transitions – devolatilisation and coal permeability decrease under plastic stage – was also discussed.
Źródło:: Chemical and Process Engineering; 2015, 36, 3; 291-303
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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