Assessment of Roughness Characterization Methods for Data-Driven Predictions
Yang, J.; Stroh, A.; Lee, S.; Bagheri, S.; Frohnapfel, B.; Forooghi, P.
2024. Flow, Turbulence and Combustion, 113 (2), 275–292. doi:10.1007/s10494-024-00549-z

Analysis of Separation in the Roughness Sublayer Using DNS Data and DANS/DEM Modelling of Roughness Effects
Chedevergne, F.; Yang, J.; Stroh, A.; Forooghi, P.
2024. Flow, Turbulence and Combustion. doi:10.1007/s10494-024-00585-9

Prediction of equivalent sand-grain size and identification of drag-relevant scales of roughness – a data-driven approach
Yang, J.; Stroh, A.; Lee, S.; Bagheri, S.; Frohnapfel, B.; Forooghi, P.
2023. Journal of Fluid Mechanics, 975, A34. doi:10.1017/jfm.2023.881

A comparison of hydrodynamic and thermal properties of artificially generated against realistic rough surfaces
Yang, J.; Velandia, J.; Bansmer, S.; Stroh, A.; Forooghi, P.
2023. International Journal of Heat and Fluid Flow, 99, Art.-Nr.: 109093. doi:10.1016/j.ijheatfluidflow.2022.109093

Direct numerical simulation-based characterization of pseudo-random roughness in minimal channels
Yang, J.; Stroh, A.; Chung, D.; Forooghi, P.
2022. Journal of Fluid Mechanics, 941, Art.-Nr.: A47. doi:10.1017/jfm.2022.331

Predicting drag on rough surfaces by transfer learning of empirical correlations
Lee, S.; Yang, J.; Forooghi, P.; Stroh, A.; Bagheri, S.
2022. Journal of fluid mechanics, 933, A18. doi:10.1017/jfm.2021.1041

Simulation of Flow over Pseudo-Random Rough Surfaces
Yang, J.; Stroh, A.; Forooghi, P.
2022. High Performance Computing in Science and Engineering ’20 – Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2020. Ed.: W. Nagel, 387–400, Springer International Publishing. doi:10.1007/978-3-030-80602-6_25

Modelling spanwise heterogeneous roughness through a parametric forcing approach
Schäfer, K.; Stroh, A.; Forooghi, P.; Frohnapfel, B.
2022. Journal of Fluid Mechanics, 930, A7. doi:10.1017/jfm.2021.850

Do riblets exhibit fully rough behaviour?
Gatti, D.; Deyn, L. von; Forooghi, P.; Frohnapfel, B.
2020. Experiments in fluids, 61 (3), Article: 81. doi:10.1007/s00348-020-2921-0

Rearrangement of secondary flow over spanwise heterogeneous roughness
Stroh, A.; Schäfer, K.; Frohnapfel, B.; Forooghi, P.
2020. Journal of fluid mechanics, 885, R5. doi:10.1017/jfm.2019.1030

On the importance of the drag coefficient modelling in the double averaged Navier-Stokes equations for prediction of the roughness effects
Chedevergne, F.; Forooghi, P.
2020. Journal of turbulence, 21 (8), 463–482. doi:10.1080/14685248.2020.1817465

Secondary flow and heat transfer in turbulent flow over streamwise ridges
Stroh, A.; Schäfer, K.; Forooghi, P.; Frohnapfel, B.
2020. International journal of heat and fluid flow, 81, Article No.108518. doi:10.1016/j.ijheatfluidflow.2019.108518

The influence of thermal boundary conditions on turbulent forced convection pipe flow at two Prandtl numbers
Straub, S.; Forooghi, P.; Marocco, L.; Wetzel, T.; Vinuesa, R.; Schlatter, P.; Frohnapfel, B.
2019. International journal of heat and mass transfer, 144, 118601. doi:10.1016/j.ijheatmasstransfer.2019.118601

Azimuthally inhomogeneous thermal boundary conditions in turbulent forced convection pipe flow for low to medium Prandtl numbers
Straub, S.; Forooghi, P.; Marocco, L.; Wetzel, T.; Frohnapfel, B.
2019. International journal of heat and fluid flow, 77, 352–358. doi:10.1016/j.ijheatfluidflow.2019.05.003

Direct Numerical Simulations of Bypass Transition over Distributed Roughness
Deyn, L. H. von; Forooghi, P.; Frohnapfel, B.; Schlatter, P.; Hanifi, A.; Henningson, D. S.
2019. AIAA journal, 1–10. doi:10.2514/1.J057765

A systematic study of turbulent heat transfer over rough walls
Forooghi, P.; Stripf, M.; Frohnapfel, B.
2018. International journal of heat and mass transfer, 127, 1157–1168. doi:10.1016/j.ijheatmasstransfer.2018.08.013

A modified Parametric Forcing Approach for modelling of roughness
Forooghi, P.; Frohnapfel, B.; Magagnato, F.; Busse, A.
2018. International journal of heat and fluid flow, 71, 200–209. doi:10.1016/j.ijheatfluidflow.2018.03.019

DNS of momentum and heat transfer over rough surfaces based on realistic combustion chamber deposit geometries
Forooghi, P.; Weidenlener, A.; Magagnato, F.; Böhm, B.; Kubach, H.; Koch, T.; Frohnapfel, B.
2018. International journal of heat and fluid flow, 69, 83–94. doi:10.1016/j.ijheatfluidflow.2017.12.002

The influence of operating conditions on combustion chamber deposit surface structure, deposit thickness and thermal properties
Weidenlener, A.; Pfeil, J.; Kubach, H.; Koch, T.; Forooghi, P.; Frohnapfel, B.; Magagnato, F.
2018. Automotive and Engine Technology. doi:10.1007/s41104-018-0030-3

Direct numerical simulation of flow over dissimilar, randomly distributed roughness elements: A systematic study on the effect of surface morphology on turbulence
Forooghi, P.; Stroh, A.; Schlatter, P.; Frohnapfel, B.
2018. Physical review fluids, 3 (4), Art. Nr.: 044605. doi:10.1103/PhysRevFluids.3.044605

VLES Modeling of Flow Over Walls with Variably-shaped Roughness by Reference to Complementary DNS
Krumbein, B.; Forooghi, P.; Jakirlić, S.; Magagnato, F.; Frohnapfel, B.
2017. Flow, turbulence and combustion, 99 (3-4), 685–703. doi:10.1007/s10494-017-9867-1

Toward a Universal Roughness Correlation
Forooghi, P.; Stroh, A.; Magagnato, F.; Jakirlic, S.; Frohnapfel, B.
2017. Journal of fluids engineering, 139 (12), Art. Nr.: 121201. doi:10.1115/1.4037280

Flow over a surface with multiscale randomly distributed roughness
Forooghi, P.; Stroh, A.; Krumbein, B.; Magagnato, F.; Jakirlic, S.; Frohnapfel, B.
2017. Flow, turbulence and combustion / Special issue: engineering turbulence modelling and measurements, 99 (3-4), 551–990

Heat transfer enhancement on the liquid side of an industrially designed flat-tube heat exchanger with passive inserts : Numerical investigation
Forooghi, P.; Flory, M.; Bertsche, D.; Wetzel, T.; Frohnapfel, B.
2017. Applied thermal engineering, 123, 573–583. doi:10.1016/j.applthermaleng.2017.05.144

Turbulent flow structure response to a varying wall-roughness arrangement: a modelling study
Jakirlic, S.; Krumbein, B.; Forooghi, P.; Magagnato, F.; Frohnapfel, B.
2016. APS Division of Fluid Dynamics, 2016 (11). doi:10.1103/BAPS.2016.DFD.H29.3

Simulation of a gaseous jet impinging on a convex heated surface – effect of inlet condition
Forooghi, P.; Frohnapfel, B.; Magagnato, F.
2016. Applied thermal engineering, 105 (SI), 1076–1084. doi:10.1016/j.applthermaleng.2016.01.048

Experimental analysis of heat transfer of supercritical fluids in plate heat exchangers
Forooghi, P.; Hooman, K.
2014. International journal of heat and mass transfer, 74 (July), 448–459. doi:10.1016/j.ijheatmasstransfer.2014.03.052

Buoyancy induced heat transfer deterioration in concentric and eccentric annuli
Forooghi, P.; Abdi, I. A.; Hooman, K.; Dahari, M.
2014. International journal of heat and mass transfer. doi:10.1016/j.ijheatmasstransfer.2014.10.009

Numerical study of turbulent convection in inclined pipes with significant buoyancy influence
Forooghi, P.; Hooman, K.
2013. International journal of heat and mass transfer, 61 (1), 310–322. doi:10.1016/j.ijheatmasstransfer.2013.02.014

Effect of buoyancy on turbulent convection heat transfer in corrugated channels – A numerical study
Forooghi, P.; Hooman, K.
2013. International journal of heat and mass transfer. doi:10.1016/j.ijheatmasstransfer.2013.05.028

Steady and Unsteady Heat Transfer in a Channel Partially Filled with Porous Media Under Thermal Non-Equilibrium Condition
Forooghi, P.; Abkar, M.; Saffar-Avval, M.
2011. Transport in porous media, 86 (1), 177–198. doi:10.1007/s11242-010-9615-7

Heat transfer of non‐ Newtonian fluid flow in a channel lined with porous layers under thermal non‐ equilibrium condition
Abkar, M.; Forooghi, P.; Abbassi, A.; Mohammadi Aghdam, M.
2010. Journal of porous media, 13 (3), 235–246. doi:10.1615/JPorMedia.v13.i3.40

Data-driven correlations for thermohydraulic roughness properties
Dalpke, S. B.; Yang, J.; Forooghi, P.; Frohnapfel, B.; Stroh, A.
2024, September 18. 1st European Fluid Dynamics Conference (EFDC1 2024), Aachen, Deutschland, 16.–20. September 2024

Characterization of anisotropic irregular roughness through direct numerical simulations
Yang, J.; Stroh, A.; Bagheri, S.; Frohnapfel, B.; Forooghi, P.
2024. 13th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2024, Montreal, Kanada, 25 -28 Juni 2024

Secondary motion impact on momentum and heat transfer in a fully developed turbulent channel flow
Stroh, A.; Deyn, L. H. von; Schäfer, K.; Forooghi, P.; Frohnapfel, B.
2023, September 11. 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT 2023), Rom, Italien, 11.–15. September 2023

Assessing different roughness description methods in skin friction prediction
Yang, J.; Stroh, A.; Lee, S.; Bagheri, S.; Frohnapfel, B.; Forooghi, P.
2023, September. 14th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM 2023), Barcelona, Spanien, 6.–8. September 2023

An active learning approach for the prediction of hydrodynamic roughness properties
Yang, J.; Stroh, A.; Friederich, P.; Frohnapfel, B.; Forooghi, P.
2022. 12th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2022, Osaka, Japan, 19 - 22 Juli 2022

Parametric forcing approach for secondary motions formation over inhomogeneous rough surfaces
Stroh, A.; Schäfer, K.; Frohnapfel, B.; Forooghi, P.
2021. ETMM13 Proceedings

Study of irregular roughness in minimal channels
Yang, J.; Stroh, A.; Jakirlic, S.; Frohnapfel, B.; Forooghi, P.
2021. ETMM 13, International symposium on engineering, turbulence, modelling and measurement, 15.09.-17.09.2021

DNS of Turbulent Heat Transfer in Impinging Jets at Different Reynolds and Prandtl Numbers
Magagnato, F.; Secchi, F.; Forooghi, P.; Straub, S.; Frohnapfel, B.
2021. 14th WCCM-ECCOMAS Congress 2020: Collection of papers presented at the 14th edition of the WCCM-ECCOMAS, virtual congress, January, 11-15, 2021. Ed.: F. Chinesta, Scipedia S.L. doi:10.23967/wccm-eccomas.2020.299

Comparison of Different Solvers and Geometry Representation Strategies for Dns of Rough Wall Channel Flow
Theobald, F.; Schäfer, K.; Yang, J.; Frohnapfel, B.; Stripf, M.; Forooghi, P.; Stroh, A.
2021. 14th WCCM & ECCOMAS Congress 2020 : virtual congress, 11-15 January, 2021 / IACM, ECCOMAS. Ed.: F. Chinesta, International Centre for Numerical Methods in Engineering (CIMNE). doi:10.23967/wccm-eccomas.2020.089

Direct Numerical Simulations of a Turbulent Flow over Wall-Mounted Obstacles - A Comparison of Different Numerical Approaches
Schäfer, K.; Forooghi, P.; Straub, S.; Frohnapfel, B.; Stroh, A.
2020. Direct and Large Eddy Simulation XII. Ed.: M. García-Villalba, 91–96, Springer. doi:10.1007/978-3-030-42822-8_12

Secondary flow impact on velocity and thermal fields of a structured turbulent channel flow
Stroh, A.; Schafer, K.; Forooghi, P.; Frohnapfel, B.
2019. Proceedings of 14th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Wicklow, IR, July 22-24, 2019

Riblets in fully developed turbulent channel flow - An experimental campaign
Deyn, L. H. von; Coppini, L.; Hehner, M. T.; Kriegseis, J.; Gatti, D.; Forooghi, P.; Frohnapfel, B.
2019. European Drag Reduction and Flow Control Meeting (EDRFCM 2019), Bad Herrenalb, Deutschland, 26.–29. März 2019

Rearrangement of secondary vortices over spanwise heterogeneous roughness
Stroh, A.; Forooghi, P.; Frohnapfel, B.
2018. 12th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM12), Montpellier, F, September 26-28, 2018

Non-homogeneous thermal boundary conditions in low Prandtl number pipe flows
Straub, S.; Forooghi, P.; Marocco, L.; Wetzel, T.; Frohnapfel, B.
2018. Turbulence, Heat and Mass Transfer 9. Proceedings of the Ninth International Symposium on Turbulence, Heat and Mass Transfer, Rio de Janeiro, BR, July 10-13, 2018. Ed.: A.P. Silva Freire, 205–208, Begell House

Reynolds analogy in turbulent flows over rough walls - A DNS investigation
Forooghi, P.; Magagnato, F.; Frohnapfel, B.
2018. 16th International Heat Transfer Conference, IHTC 2018; Beijing; China; 10 August 2018 through 15 August 2018, 3215–3222, Begell House Publishers. doi:10.1615/IHTC16.cov.021429

Quasi‐DNS of flow and heat transfer in a compact heat exchanger channel
Forooghi, P.; Flory, M.; Bertsche, D.; Wetzel, T.; Frohnapfel, B.
2016. 11th European Fluid Mechanics Conference (EFMC), Seville, Spain, September 12-16, 2016

VLES modeling of flow over walls with variably‐shaped roughness by reference to complementary DNS
Jakirlic, S.; Krumbein, B.; Forooghi, P.; Magagnato, F.; Frohnapfel, B.
2016. 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM11), Palermo, Italy, 21-23 Sep. 2016

Heat transfer of fluids with highly variable properties
Forooghi, P.; Hess, J.; Frohnapfel, B.; Hooman, K.
2016. 17th IAHR International Conference on Cooling Tower and Heat Exchanger ; Gold Coast, Australia, 7-11 September 2015. Ed.: P. Bansal, Elsevier

Simulation of heat transfer from a convex heated surface using an impinging jet
Forooghi, P.; Li, M.; Magagnato, F.
2016. 17th IAHR International Conference on Cooling Towers and Heat Exchangers, 7-11 September 2015, Gold Coast, Australia. Ed.: P. Bansal, 951–1084, Elsevier

Secondary vortices over spanwise heterogeneous roughness
Stroh, A.; Forooghi, P.; Kriegseis, J.; Frohnapfel, B.
2016. 24th International Congress of Theoretical and Applied Mechanics, Montreal, Canada, August 21-26, 2016

Numerical Study of Turbulent Convective in Upward Flows of Supercritical Water in the Triangular Lattice Fuel Rod Bundle
Modirshanechi, M.; Abdi, I. A.; Hooman, K.; Forooghi, P.
2014. 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, Illinois, USA, August 3–7, 2014, V01DT27A008/1–9, The American Society of Mechanical Engineers (ASME). doi:10.1115/FEDSM2014-21300

International Meeting of Specialists on Heat Transfer and Fluid Dynamics at Supercritical Pressure
Forooghi, P.
2014. Meeting on Heat Transfer to Fluids at Supercritical Pressure, Manchester, UK, 30. Juni ‐1. Juli 2014

Numerical simulation of convective heat transfer for supercritical CO2 in vertical pipes using V2F turbulence model
Forooghi, P.; Xu, R.; Jiang, P. X.; Hooman, K.
2012. 18th Australasian Fluid Mechanics Conference (AFMC), 3‐7 Dec 2012, Launceston, Australia. Ed.: P. Brandner, Australasian Fluid Mechanics Society