Natalia C. Rosca
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Journal Articles

RSM and normalized sensitivity analysis for a mixed convection ternary nanofluid flow over a vertical linearly stretching/shrinking sheet: heat transfer optimization

Alin V. Rosca, Shahirah Abu Bakar, Natalia C. Rosca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow 1–31.
https://doi.org/10.1108/HFF-03-2026-0288
Published: 30 April 2026
View article titled, RSM and normalized sensitivity analysis for a mixed convection ternary nanofluid flow over a vertical linearly stretching/shrinking sheet: heat transfer optimization
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Journal Articles

Natural convection from a heated T-open pipe of nanoencapsulated phase change material in a cavity

Ali Akremi, Mohammad Ghalambaz, Ioan Pop, Alin V. Rosca, Natalia C. Rosca
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2026) 36 (1): 116–144.
https://doi.org/10.1108/HFF-06-2025-0402
Published: 07 October 2025
View article titled, Natural convection from a heated T-open pipe of nanoencapsulated phase change material in a cavity
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Journal Articles

Optimizing a modified Buongiorno model of ternary nanofluid flow with radiation and gyrotactic microorganisms using RSM-Taguchi approaches

Shahirah Abu Bakar, Ioan Pop, Alin V. Rosca, Natalia C. Rosca
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2025) 35 (12): 4301–4332.
https://doi.org/10.1108/HFF-05-2025-0328
Published: 18 September 2025
View article titled, Optimizing a modified Buongiorno model of ternary nanofluid flow with radiation and gyrotactic microorganisms using RSM-Taguchi approaches
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Journal Articles

Thermal analysis and magnetohydrodynamic flow with viscous dissipation and Joule heating effects over a nonlinear permeable stretching/shrinking sheet

John Merkin, Natalia C. Rosca, Alin V. Rosca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2025) 35 (5): 1566–1586.
https://doi.org/10.1108/HFF-03-2025-0174
Published: 16 May 2025
View article titled, Thermal analysis and magnetohydrodynamic flow with viscous dissipation and Joule heating effects over a nonlinear permeable stretching/shrinking sheet
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Journal Articles

Dual solutions for axisymmetric flow and heat transfer due to a permeable radially shrinking disk in copper oxide (CuO) and silver (Ag) hybrid nanofluids with radiation effect

Iskandar Waini, Farah Nadzirah Jamrus, Natalia C. Roșca, Alin V. Roșca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2024) 34 (3): 1424–1445.
https://doi.org/10.1108/HFF-09-2023-0537
Published: 22 December 2023
View article titled, Dual solutions for axisymmetric flow and heat transfer due to a permeable radially shrinking disk in copper oxide (CuO) and silver (Ag) hybrid nanofluids with radiation effect
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Journal Articles

Natural convection and entropy generation in a trapezoidal region with hybrid nanoliquid under magnetic field

Alin V. Roşca, Natalia C. Roşca, Ioan Pop, Mikhail A. Sheremet
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2024) 34 (2): 429–450.
https://doi.org/10.1108/HFF-04-2023-0193
Published: 18 July 2023
View article titled, Natural convection and entropy generation in a trapezoidal region with hybrid nanoliquid under magnetic field
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Journal Articles

Dual solutions on three-dimensional nanofluid flow and heat transfer over a permeable non-linearly shrinking surface with second-order velocity slips

Natalia C. Roşca, Alin V. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2023) 33 (7): 2392–2408.
https://doi.org/10.1108/HFF-10-2022-0624
Published: 01 March 2023
View article titled, Dual solutions on three-dimensional nanofluid flow and heat transfer over a permeable non-linearly shrinking surface with second-order velocity slips
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Journal Articles

Mixed convection flow of a hybrid nanofluid past a vertical wedge with thermal radiation effect

Natalia C. Roșca, Alin V. Roșca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2022) 32 (2): 806–824.
https://doi.org/10.1108/HFF-03-2021-0155
Published: 10 June 2021
View article titled, Mixed convection flow of a hybrid nanofluid past a vertical wedge with thermal radiation effect
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Journal Articles

Three-dimensional flow of radiative hybrid nanofluid past a permeable stretching/shrinking sheet with homogeneous-heterogeneous reaction

Najiyah Safwa Khashi'ie, Norihan Md Arifin, Natalia C. Rosca, Alin V. Rosca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2022) 32 (2): 568–588.
https://doi.org/10.1108/HFF-01-2021-0017
Published: 08 June 2021
View article titled, Three-dimensional flow of radiative hybrid nanofluid past a permeable stretching/shrinking sheet with homogeneous-heterogeneous reaction
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Journal Articles

Axisymmetric flow of hybrid nanofluid due to a permeable non-linearly stretching/shrinking sheet with radiation effect

Natalia C. Roşca, Alin V. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2021) 31 (7): 2330–2346.
https://doi.org/10.1108/HFF-09-2020-0574
Published: 23 November 2020
View article titled, Axisymmetric flow of hybrid nanofluid due to a permeable non-linearly stretching/shrinking sheet with radiation effect
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Journal Articles

Cross flow and heat transfer past a permeable stretching/shrinking sheet in a hybrid nanofluid

Natalia C. Roşca, Alin V. Roşca, Amin Jafarimoghaddam, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2021) 31 (4): 1295–1319.
https://doi.org/10.1108/HFF-05-2020-0298
Published: 26 September 2020
View article titled, Cross flow and heat transfer past a permeable stretching/shrinking sheet in a hybrid nanofluid
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Journal Articles

Mixed convection stagnation point flow of a hybrid nanofluid past a vertical flat plate with a second order velocity model

Alin V. Roşca, Natalia C. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2021) 31 (1): 75–91.
https://doi.org/10.1108/HFF-03-2020-0152
Published: 28 April 2020
View article titled, Mixed convection stagnation point flow of a hybrid nanofluid past a vertical flat plate with a second order velocity model
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Journal Articles

Mixed convection and stability analysis of stagnation-point boundary layer flow and heat transfer of hybrid nanofluids over a vertical plate

Mohammad Ghalambaz, Natalia C. Roşca, Alin V. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2020) 30 (7): 3737–3754.
https://doi.org/10.1108/HFF-08-2019-0661
Published: 10 December 2019
View article titled, Mixed convection and stability analysis of stagnation-point boundary layer flow and heat transfer of hybrid nanofluids over a vertical plate
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Journal Articles

Unsteady separated stagnation-point flow and heat transfer past a stretching/shrinking sheet in a copper-water nanofluid

Natalia C. Roşca, Alin V. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2019) 29 (8): 2588–2605.
https://doi.org/10.1108/HFF-09-2018-0527
Published: 19 June 2019
View article titled, Unsteady separated stagnation-point flow and heat transfer past a stretching/shrinking sheet in a copper-water nanofluid
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Journal Articles

Stagnation point flow of a nanofluid past a non-aligned stretching/shrinking sheet with a second-order slip velocity

Alin V. Roşca, Natalia C. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2019) 29 (2): 738–762.
https://doi.org/10.1108/HFF-05-2018-0201
Published: 29 November 2018
View article titled, Stagnation point flow of a nanofluid past a non-aligned stretching/shrinking sheet with a second-order slip velocity
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Journal Articles

MHD stagnation-point flow and heat transfer of a nanofluid over a stretching/shrinking sheet with melting, convective heat transfer and second-order slip

Ioan Pop, Natalia C. Roşca, Alin V. Roşca
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2018) 28 (9): 2089–2110.
https://doi.org/10.1108/HFF-12-2017-0488
Published: 04 October 2018
View article titled, MHD stagnation-point flow and heat transfer of a nanofluid over a stretching/shrinking sheet with melting, convective heat transfer and second-order slip
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Journal Articles

Influence of temperature and magnetic field on the oblique stagnation-point flow for a nanofluid past a vertical stretching/shrinking sheet

Alessandra Borrelli, Giulia Giantesio, Maria Cristina Patria, Natalia C. Roşca, Alin V. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2018) 28 (12): 2874–2894.
https://doi.org/10.1108/HFF-12-2017-0497
Published: 01 October 2018
View article titled, Influence of temperature and magnetic field on the oblique stagnation-point flow for a nanofluid past a vertical stretching/shrinking sheet
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Journal Articles

MHD mixed convection oblique stagnation-point flow on a vertical plate

Giulia Giantesio, Anna Verna, Natalia C. Roşca, Alin V. Rosca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2017) 27 (12): 2744–2767.
https://doi.org/10.1108/HFF-12-2016-0486
Published: 04 December 2017
View article titled, MHD mixed convection oblique stagnation-point flow on a vertical plate
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Journal Articles

A numerical study of the axisymmetric rotational stagnation point flow impinging radially a permeable stretching/shrinking surface in a nanofluid

Natalia C. Roşca, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2017) 27 (11): 2415–2432.
https://doi.org/10.1108/HFF-11-2016-0464
Published: 06 November 2017
View article titled, A numerical study of the axisymmetric rotational stagnation point flow impinging radially a permeable stretching/shrinking surface in a nanofluid
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Journal Articles

Mixed convection flow, heat transfer, species concentration near the stagnation point on a vertical flat plate with Stefan coupled blowing

Natalia C. Rosca, Alin V. Rosca, John H. Merkin, Ioan Pop
Journal: International Journal of Numerical Methods for Heat & Fluid Flow
International Journal of Numerical Methods for Heat & Fluid Flow (2017) 27 (1): 77–103.
https://doi.org/10.1108/HFF-11-2015-0463
Published: 03 January 2017
View article titled, Mixed convection flow, heat transfer, species concentration near the stagnation point on a vertical flat plate with Stefan coupled blowing
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