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Information Journal Paper

Title

NUMERICAL PREDICTION AND MEASUREMENT OF CARBON BLACK THROUGH TURBULENT COMBUSTION AND DECOMPOSITION OF NATURAL GAS

Pages

  211-219

Keywords

Not Registered.

Abstract

 In this paper, the measurements and evolution of a 3-D numerical solution procedure are Described for prediction and valuation the production of carbon black in the course of turbulent incomplete combustion and thermal decomposition of natural gas in a gas carbon black furnace.A particle collection system is used to measure the carbon black concentrations in the furnace. In the numerical technique. a combination of a two-step soot model and a chemical reaction Formulation relates the production of the carbon black to the incomplete combustion and pyrolysis of natural gas as the parent fuel. The chemical reaction model, which involvessolid carbon and other precursorspecies for formation of carbon black, based on an assumed Probability Density Function (PDF) is parameterized by the mean and variance of the mixture fraction and,  b-PDF shape. The effect of feedstock flow rate, equivalence ratio and radiation on carbon black furnace parameters are investigated. The comparison between numerical predictions and experimental measurements show good agreement. The results show that for relatively low feedstock flow rates, most feedstock hydrocarbon burns to CO while, for higher feedstock flow rates, the decomposition of feedstock and formation of solid carbon is the dominant process and has an important role in the production of carbon black. The results also show that radiation has a major influenceon the precombustor where most soot combustion takes place, causing a reduction of about 10% in the precombustor temperature.

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    APA: Copy

    MOGHIMAN, M.. (2003). NUMERICAL PREDICTION AND MEASUREMENT OF CARBON BLACK THROUGH TURBULENT COMBUSTION AND DECOMPOSITION OF NATURAL GAS. SCIENTIA IRANICA, 10(2), 211-219. SID. https://sid.ir/paper/289469/en

    Vancouver: Copy

    MOGHIMAN M.. NUMERICAL PREDICTION AND MEASUREMENT OF CARBON BLACK THROUGH TURBULENT COMBUSTION AND DECOMPOSITION OF NATURAL GAS. SCIENTIA IRANICA[Internet]. 2003;10(2):211-219. Available from: https://sid.ir/paper/289469/en

    IEEE: Copy

    M. MOGHIMAN, “NUMERICAL PREDICTION AND MEASUREMENT OF CARBON BLACK THROUGH TURBULENT COMBUSTION AND DECOMPOSITION OF NATURAL GAS,” SCIENTIA IRANICA, vol. 10, no. 2, pp. 211–219, 2003, [Online]. Available: https://sid.ir/paper/289469/en

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