Numerical Simulation of Low-Mach-Number Laminar Mixing and Reacting Flows Using a Dual-Purpose Pressure-Based Algorithm

Ebrahimi-Kebria, H.R.; Darbandi, Masoud; Hosseinizadeh, S.F.

doi:10.1080/10407790.2011.578018

Cited by 10 publications

(5 citation statements)

References 37 publications

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“…This hybrid FVE method was later extended to solve laminar flames [66], turbulent flames [67], and coupled turbulent flow and aerosol-combustion dynamics [68]. Ebrahimi-Kebria et al [69] extended this pressure-based algorithm to simulate low Mach laminar mixing and reacting flow problems. The basic FVE method was further extended to account for combined convection-radiation heat transfer in participating media [62].…”

Section: Methodsmentioning

confidence: 99%

Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments

Darbandi

Fatin

Bordbar

2020

Energy

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Section: Methodsmentioning

confidence: 99%

Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments

Darbandi

Fatin

Bordbar

2020

Energy

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“…(22), (36), (40), (44), and Eqs. (48)-(49), we anticipate that the current cell-face expressions will yield second-order accuracy in pressure field calculations and first-order accuracy in velocity, mixture fraction, and total enthalpy field calculations.…”

Section: A General Expression For the Pis In Cylindrical Coordinatesmentioning

confidence: 98%

“…To explain the existence of the off-stagnation-point peak in heat flux, they carried out their numerical simulation using the FV method in the context of commercial FLUENT software. Ebrahimi-kebria et al [44] extended a novel dual-purpose, pressure-based FV algorithm to simulate laminar mixing and reacting flows in low-Mach-number regimes. Ziegler et al [45] developed a high-order hybrid WENO=centered-difference numerical method with structured adaptive mesh refinement (SAMR) for direct numerical simulation (DNS) of multicomponent, compressible, reactive NS equations.…”

Section: Introductionmentioning

confidence: 99%

Extending a Hybrid Finite-Volume-Element Method to Solve Laminar Diffusive Flame

Darbandi

Ghafourizadeh

2014

Numerical Heat Transfer, Part B: Fundamentals

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We extend a hybrid finite-volume-element (FVE) method to treat the laminar reacting flow in cylindrical coordinates considering the collocation of all chosen primitive variables. To approximate the advection fluxes at the cell faces, we use the upwind-biased physical influence scheme PIS and derive a few new extended expressions applicable in the cylindrical frame. These expressions are derived for both the Navier-Stokes and reactive flow governing equations, of which the latter expressions are considered novel in the finite-volume formulation. To validate our derived expressions, the current results are compared with the experimental data and other available numerical solutions. The results show that the accuracy of the current expressions is better than those derived by the past similar numerical investigators.

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“…39 This study uses the implicit method for the pressure-linked equations coupled algorithm. [40][41][42][43] This implicit method results in several linear algebraic equation matrices. The sparse matrix solvers are used to solve these matrices.…”

Section: Description Of External Flow and Heat Transfer And Conductio...mentioning

confidence: 99%

Internal cooling sensitivity analysis to improve the thermal performance of gas turbine blade using a developed robust conjugate heat transfer method

Darbandi

Jalali

2022

International Journal of Engine Research

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The heat transfer simulations of turbine blades with internal cooling are faced with so many uncertainties, of which some originate from the secondary air system, including the inlet hot gas temperature and pressure and the cooling side boundary conditions, and the blade material. The main objective of this work is to carry out a suitable sensitivity analysis on a specific novel turbine vane to improve the thermal performance of its internal cooling system and to quantify how the uncertainties on the designed/calculated values can desirably/undesirably affect the maximum blade surface temperature, which can consequently affect the gas turbine engine efficiency. Furthermore, the sensitivity analysis is carried out to find the effects of uncertainties of a number of key parameters on the resulting blade temperature distribution. To arrive at trustworthy conclusions, the conjugate heat transfer (CHT) method is used to analyze the heat and fluid flow behavior. This work suitably develops a CHT-based method/solver to perform the proposed study. This method/solver uses a segregated iterative procedure, in which the outer hot gas region is simulated using the computational fluid dynamics (CFD) solver, the flow passing through the connected internal cooling passages is calculated using a 1D correlated-based solver, and the vane conduction is predicted using a 3D finite-element solver, which are fully coupled. The results show that the cooling channel wall temperature has a direct impact on the convective coefficient magnitude; especially in lower temperature regions. As a novel contribution, this work takes into account the cooling wall temperature influence on the 1D code calculations. To implement this, an artificial neural network is suitably trained to predict better convective coefficient. The results of this developed CFD-CHT code are validated against experimental data available for a benchmark vane. Eventually, the sensitivity analysis is carried on the present specific novel turbine vane.

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Numerical Simulation of Low-Mach-Number Laminar Mixing and Reacting Flows Using a Dual-Purpose Pressure-Based Algorithm

Cited by 10 publications

References 37 publications

Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments

Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments

Extending a Hybrid Finite-Volume-Element Method to Solve Laminar Diffusive Flame

Internal cooling sensitivity analysis to improve the thermal performance of gas turbine blade using a developed robust conjugate heat transfer method

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