Görkem Külah

E-mail

gorkemk@metu.edu.tr

Department

Department of Chemical Engineering

ORCID

0000-0002-7254-2832

Scopus Author ID

24071182800

Web of Science Researcher ID

F-9397-2011

Coarse grained CFD-DEM simulation of the convective cooling during the discharge process in spouted bed solar receivers ÖZDEMİR, ARİF EREN; Külah, Görkem; KÖKSAL, MURAT (2025-09-01) One of the emerging applications of spouted beds is their utilization as thermal energy storage units in concentrated solar power systems (CSP). Computational Fluid Dynamics-Discrete Element Method (CFD-DEM) is one of the ...
CFD-DEM modelling of conical spouted bed solar thermal receivers ÖZDEMİR, ARİF EREN; Külah, Görkem; KÖKSAL, MURAT (2024-07-21)
Experimental investigation of conical spouted bed thermal solar receivers ÖZDEMİR, ARİF EREN; Akıcı, Can; KÖKSAL, MURAT; Külah, Görkem (2024-07-21)
Solids dispersion in high density circulating fluidized beds Külah, Görkem; Bi, X.T.; Lim, C.J.; Grace, J.R. (2024-01-01) Transient local solid tracer concentration distributions were measured by a novel, simple and accurate measurement system with fast response to obtain axial solids dispersion in the riser of a circulating fluidized bed ope...
Axial gas mixing in conical spouted beds with high density particles Güler, Neslin; KÖKSAL, MURAT; Külah, Görkem (2023-10-01) Conical spouted beds operating with high-density particles (ρp > 2500 kg/m3) have recently gained attention because of their potential use as nuclear fuel coaters for next-generation nuclear reactors. In the literature, th...
Coupling of spectral thermal radiation model with a comprehensive system model for co-combustion of biomass in bubbling fluidized bed Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2023-02-01) A previously developed 1-D comprehensive model for a bubbling fluidized bed combustor (BFBC) co-firing lignite with cotton residue and limestone is coupled with a 3-D spectral and gray radiation models utilizing method of ...
Effect of Particle Size Distribution and Complex Refraction Index of Alumina on Infrared Rocket Plume Signatures YAŞAR, MEHMET; Ozen, G.; Selçuk, Nevin; Külah, Görkem (2023-01-01) Although there are several studies existing in the literature modeling the infrared radiation signatures of solid motor rocket plumes, none of them investigate the effect of some simplifying assumptions such as using gray ...
<p>Performance and validation of a radiation model coupled with a transient bubbling fluidized bed combustion model</p> Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2022-06-01) None of the transient bubbling fluidized bed combustor (BFBC) models couples the solution of radiative transfer equation with the solution of conservation equations of other transport processes although thermal radiation i...
Thermal stability and SO2 resistance of Pd/Rh-perovskite based three-way catalyst wash-coated on cordierite monoliths Bayram, Bilal; Önal, Işık; Külah, Görkem (2022-01-01) The effect of hydrothermal aging and SO2 poisoning on the three-way catalytic performance of dispersed Pd/Rh-based and Pd/Rh perovskite-based catalysts were studied by using a dynamic activity test system that simulates re...
Influence of bag filter ash to spectral thermal radiation in fluidized bed combustors Co-Fired with biomass Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2021-09-01) Influence of fine particles collected in bag filter on spectral thermal radiation is investigated in the freeboard of a 0.3 MWt atmospheric bubbling fluidized bed combustion test rig where lignite, lignite/olive residue, a...

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