Experimental computational study on drying of Black Cumin (Nigella sativa) in a fixed bed dryer and in a Thermo-gravimetric analysis system

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dc.contributor.authorBalbay, Asim
dc.date.accessioned2024-12-24T19:10:09Z
dc.date.available2024-12-24T19:10:09Z
dc.date.issued2013
dc.departmentSiirt Üniversitesi
dc.description.abstractIn this study, drying of black cumin seeds (BCs) (Nigella sativa) with initial moisture content (MC) of %56.74 (dry basis (d.b)) was investigated in a novel designed fixed bed drying system (isothermal condition) and in a thermo gravimetric analysis system (non-isothermal condition). In isothermal conditions, the drying experiments were carried out at different temperatures (40, 60, and 80 °C) and air velocities (0.25, 0.5 and 1 m/s) and bed heights (14 mm and 28 mm). Several models in literature were selected to fit the experimental data. The fit quality of models was evaluated using the coefficient of determination (R2), sum square error (SSE) and root mean square error (RMSE). Two term model has a good agreement with the experimental data and gave the best results for BCs. The activation energy was calculated to be as 19.92 kJ/mol and effective diffusivity values were calculated to be between 2.85×10-10 and 6.77×10-10 m2/s depending on air temperatures. Furthermore, drying and decomposition behaviours of BCs in thermo gravimetric analysis system were studied in nitrogen flow of 0.850 ml/s and of constant heating rate of 5 °C/min towards 250 °C by means of non-isothermal methods.
dc.identifier.doi10.51758/agjsr-2/3-2013-0014
dc.identifier.endpage144
dc.identifier.issn1985-9899
dc.identifier.issue2-3
dc.identifier.scopus2-s2.0-84906904923
dc.identifier.scopusqualityQ3
dc.identifier.startpage134
dc.identifier.urihttps://doi.org10.51758/agjsr-2/3-2013-0014
dc.identifier.urihttps://hdl.handle.net/20.500.12604/3958
dc.identifier.volume31
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherArabian Gulf University
dc.relation.ispartofArab Gulf Journal of Scientific Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241222
dc.subjectBlack cumin seeds
dc.subjectDrying
dc.subjectKinetic
dc.subjectMathematical modeling
dc.subjectThermal analysis
dc.titleExperimental computational study on drying of Black Cumin (Nigella sativa) in a fixed bed dryer and in a Thermo-gravimetric analysis system
dc.typeArticle

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