CFD Modelling for control of hazardous waste incinerator

Yang, Yongxiang; Reuter, M.A.; Hartman, Derk T.M

doi:10.1016/s0967-0661(02)00149-1

Cited by 22 publications

(14 citation statements)

References 6 publications

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“…However, this phenomenon occurs for only a few seconds as each lifter moves away from the nozzle; because the chamber is rotating, the combustion continues undisturbed. The performance of the simulation has been compared to the work done by Yang et al 5,9 Although the airfl ow predicted by Yang et al is better behaved, generally, the simulation work performed is compatible with the observations of the real combustion process.…”

Section: Prediction Resultsmentioning

confidence: 76%

Combustion characteristics of Malaysian municipal solid waste and predictions of air flow in a rotary kiln incinerator

Sharifah

Abidin

Sulaiman

et al. 2008

J Mater Cycles Waste Manag

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Malaysia is in dire need of alternatives to landfi lling for solid waste management. Recently, landfi lls have faced the problems of overfi lling, overfl owing of leachates leading to pollution of water resources, and uncontrolled dust emissions adversely affecting the local environment. With the rising cost of urbanization coupled with the high rate of waste generation, one possible method of waste treatment that is receiving particular attention by the government is incineration. Incineration of solid waste is rather new in Malaysia, with limited usage in handling small sources of waste generation such as the municipal solid waste (MSW) of resort islands; however, its potential in ameliorating the problems associated with solid waste treatment may make it an attractive alternative to landfi ll. This article presents the results of test runs conducted to investigate the performance of a locally designed and manufactured rotary kiln incinerator (RKI). The test runs were conducted using MSW collected from the Shah Alam municipality. The combustion effi ciency was analyzed by looking at the temperature profi les and chemical species concentrations. To complement the combustion characteristics measurements, predictions of the air fl ow in the incinerator during the process were also investigated. The overall performance of the RKI suggests that it is suitable for treating MSW.

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Section: Prediction Resultsmentioning

confidence: 76%

Combustion characteristics of Malaysian municipal solid waste and predictions of air flow in a rotary kiln incinerator

Sharifah

Abidin

Sulaiman

et al. 2008

J Mater Cycles Waste Manag

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“…So far, many scholars engaged CFD-based control system modeling method, and the representative work is as follows. SMImmel [14] use Schur [15] equilibrium obtained the CFD model reduction for control system model; NASA's Amy Chicatelli [16,17] studied on multidisciplinary modeling method between CFD and control; X. Peng [18] obtained the zone model for room temperature control with CFD technology; From two aspects of fluid dynamics and control theory, Thomas R. Bewley [19] gave a detailed overview of the development of control and fluid cross-cutting disciplines; Using orthogonal decomposition, Patricia Astrid [20] carried out CFD model reduction to obtain state-space equation of heat transfer model for predictive control; Yongxiang Yang [21] made CFD as off-line modeling tools of control system and CFD simulation results was the control system information database for the actual process control system, so that control system model is real-time updated; As an example T.Zerihun Desta et al [22][23][24] outlined a novel approach to model and control the internal dynamics of energy and mass transfer in an imperfectly mixed fluid. Their study presented that through a complex CFD simulation model a simplified, low-order representation of the process was obtained.…”

Section: Application Examples and Analysismentioning

confidence: 99%

A review of CFD-based system identification

Meng

Guan

Xie

2011

2011 Chinese Control and Decision Conference (CCDC)

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The approach of coupling CFD (Computational Fluid Dynamics) to model control system is a novel "grey-box" method. The principal theories of CFD and system identification are presented in this paper respectively. The principle and steps of CFD-based system identification are given in detail. Some applications are analyzed; and the key problems and developing trends of the method proposed in this paper are indicated. S 3268 978-1-4244-8738-7/11/$26.00 c 2011 IEEE

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“…Most results indicate that injection of secondary air jets significantly affects the flow pattern, mixing of gaseous species, and distribution of gas residence time in the combustion chamber (Han et al, 1996;Nasserzadeh and Swithenbank, 1991;Rogaume et al, 2002). In particular, multi-staged combustion using secondary and/or tertiary air has been applied to reduce NO x emission and to complete combustion (Ryu et al, 2002;Shin et al, 2005;Yang et al, 2003). The multi-staged combustion technique results in under-stoichiometric conditions in the first stage of combustion and supplies enough combustion air for the later stages to complete the combustion (Coghe et al, 2004;Turns, 1996).…”

Section: Introductionmentioning

confidence: 99%