A non-iterative pressure based scheme for the computation of reacting radiating flows

Date

2008-03-01

Author

Uygur, A. Bilge
Selçuk, Nevin
Tuncer, İsmail Hakkı

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

131
views

0
downloads

A non-iterative pressure based algorithm which consists of splitting the solution of momentum energy and species equations into a sequence of predictor-corrector stages was developed for the simulation of transient reacting radiating flows. A semi-discrete approach called the Method of Lines (MOL) which enables implicit time-integration at all splitting stages was used for the solution of conservation equations. The solution of elliptic pressure equation for the determination of the pressure field was performed by a multi-grid (MUDPACK package) solver. Radiation calculations were carried out by coupling an existing radiation code to the algorithm. A first order Arrhenius type rate law expression was utilized to account for the chemistry. The predictions of the algorithm were benchmarked against experimental and numerical data available in the literature. Overall comparisons reveal that numerical results obtained with and without radiation mimic the experimental trends closely. As expected, incorporation of radiation in the simulations leads to better agreement between the predicted and measured velocity and temperature fields when compared to that obtained without radiation. The algorithm developed is an accurate and efficient tool for the simulation of reacting radiating flows and its extension to turbulent flows with the improvement of the existing models is highly promising. (C) 2007 Elsevier Masson SAS. All rights reserved.

Subject Keywords

Non-Iterative Schemes, Pressure Based Methods, Operator-Splitting, Reacting Radiating Flows, MUDPACK, Method Of Lines (MOL)

URI

https://hdl.handle.net/11511/31319

Journal

INTERNATIONAL JOURNAL OF THERMAL SCIENCES

DOI

https://doi.org/10.1016/j.ijthermalsci.2007.02.009

Collections

Graduate School of Natural and Applied Sciences, Article

Suggestions

OpenMETU
Core

A non-iterative pressure based algorithm for the computation of reacting radiating flows Uygur, Ahmet Bilge; Selçuk, Nevin; Department of Chemical Engineering (2007) A non-iterative pressure based algorithm which consists of splitting the solution of momentum energy and species equations into a sequence of predictor-corrector stages was developed for the simulation of transient reacting radiating flows. A semi-discrete approach called the Method of Lines (MOL) which enables implicit time-integration at all splitting stages was used for the solution of conservation equations. The solution of elliptic pressure equation for the determination of pressure field was performed...
A projection-based stabilized finite element method for steady-state natural convection problem Çıbık, Aytekin; Kaya Merdan, Songül (Elsevier BV, 2011-9) We formulate a projection-based stabilization finite element technique for solving steady-state natural convection problems. In particular, we consider heat transport through combined solid and fluid media. This stabilization does not act on the large flow structures. Based on the projection stabilization idea, finite element error analysis of the problem is investigated and optimal errors for the velocity, temperature and pressure are established. We also present some numerical tests which both verify the ...
A novel cfd code based on method of lines for reacting flows: Verification on methane/air diffusion flame Tarhan, Tanil; Selçuk, Nevin (2007-01-01) A novel parallel computational fluid dynamic (CFD) code based on method of lines (MOL) approach was developed for the numerical simulation of multi-component reacting flows using detailed transport and thermodynamic models. The code was applied to the prediction of a confined axi-symmetric laminar co-flowing methane-air diffusion flame for which experimental data were available in the literature. 1-, 5- and 10-step reduced finite-rate reaction mechanisms were employed for methane-air combustion sub-model. S...
A finite element variational multiscale method for the Navier-Stokes equations Volker, John; Kaya Merdan, Songül (Society for Industrial & Applied Mathematics (SIAM), 2005-01-01) This paper presents a variational multiscale method (VMS) for the incompressible Navier-Stokes equations which is defined by a large scale space L-H for the velocity deformation tensor and a turbulent viscosity nu(T). The connection of this method to the standard formulation of a VMS is explained. The conditions on L-H under which the VMS can be implemented easily and efficiently into an existing finite element code for solving the Navier - Stokes equations are studied. Numerical tests with the Smagorinsky ...
Generalized Hybrid Surface Integral Equations for Finite Periodic Perfectly Conducting Objects Karaosmanoglu, Bariscan; Ergül, Özgür Salih (2017-01-01) Hybrid formulations that are based on simultaneous applications of diversely weighted electric-field integral equation (EFIE) and magnetic-field integral equation (MFIE) on periodic but finite structures involving perfectly conducting surfaces are presented. Formulations are particularly designed for closed conductors by considering the unit cells of periodic structures as sample problems for optimizing EFIE and MFIE weights in selected regions. Three-region hybrid formulations, which are designed by geneti...

Citation Formats

A. B. Uygur, N. Selçuk, and İ. H. Tuncer, “A non-iterative pressure based scheme for the computation of reacting radiating flows,” INTERNATIONAL JOURNAL OF THERMAL SCIENCES, pp. 209–220, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31319.