Dunbar, DannyVan der A, DominicScandura, PietroO'Donoghue, Thomas2023-01-182023-01-182023-01-25Dunbar, D, Van der A, D, Scandura, P & O'Donoghue, T 2023, 'An experimental and numerical study of turbulent oscillatory flow over an irregular rough wall', Journal of Fluid Mechanics, vol. 955, A33. https://doi.org/10.1017/jfm.2022.10900022-1120https://hdl.handle.net/2164/19857Open Access via the CUP Agreement Acknowledgements. This work was conducted as part of the first author’s PhD project and is also included in Dunbar (2022). The authors are grateful for the support of the technical staff at the University of Aberdeen, particularly Fluids Lab technicians Roy Gillanders and Jack Milne. Additionally, the authors are grateful to Dr. Stuart Cameron and Dr. Mark Stewart for assistance with the design and manufacture of the experimental and numerical roughness, and Prof. Vladimir Nikora for his suggestion to look for evidence of secondary flows. Funding. The PhD project from which this work is derived was funded by the Carnegie Trust for the Universities of Scotland (D.D., grant no. PHD00771). P.S. acknowledges the support received from the University of Catania by funding the research project ’Valutazione del rischio idraulico in sistemi complessi (VARIO)’.475914308engcoastal engineeringturbulent boundary layerssurface gravity wavesTA Engineering (General). Civil engineering (General)Supplementary DataTAJournal article10.1017/jfm.2022.1090955