Loughborough University Research Publications
Loughborough University
Leicestershire, UK
LE11 3TU
+44 (0)1509 263171
Loughborough University

Loughborough University Research Publications


Publications for Robert Dorrell

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Journal Articles

Lloyd, C and Dorrell, R (2026) Mixing by offshore wind infrastructure: Resolving the density stratified wakes past vertical cylinders, Physical Review Fluids, 11(8), 084802, ISSN: 2469-990X. DOI: 10.1103/9zmy-kb84.

Adekanye, D, Allen, PA, Ho, VL, Keevil, GM, Schönherr, M, Geier, M, Khan, A, McCaffrey, WD, Dorrell, R (2026) The accelerated propagation of pulsed gravity currents, Journal of Fluid Mechanics, 1026, A14, ISSN: 0022-1120. DOI: 10.1017/jfm.2025.10953.

Lloyd, C and Dorrell, R (2025) Transport by waves and turbulence: dilute suspensions in stably stratified plane Poiseuille flow, Physical Review Fluids, 10(11), 114501, DOI: 10.1103/z1sb-q7nr.

Reece, JK, Dorrell, RM, Straub, KM (2025) ERRATUM: Influence of flow discharge and minibasin shape on the flow behavior and depositional mechanics of ponded turbidity currents, Geological Society of America Bulletin, 137(11-12), pp.5529-5530, ISSN: 0016-7606. DOI: 10.1130/b37517e.1.

Alvarez Barrantes, L, Baar, A, Fernandez, R, Hackney, C, Parsons, D, Dorrell, R (2025) Modelling the transport and deposition of sediment-microplastics fluxes in a braided river, using Delft3D, Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, 383(2307), ISSN: 1364-503X. DOI: 10.1098/rsta.2024.0442.

Hall, C, Wu, Y, Rizaev, I, Sheng, W, Dorrell, R, Aggidis, G (2025) The impact of wave prediction uncertainty on the control of a multi-axis wave energy converter, International Marine Energy Journal, 8(1), pp.65-72, DOI: 10.36688/imej.8.65-72.

Skevington, E and Dorrell, R (2025) Gravity current energetics and particle suspension, Journal of Fluid Mechanics, 1009, A30, ISSN: 0022-1120. DOI: 10.1017/jfm.2025.285.

Bessanova, V, Tapoglou, E, Dorrell, R, Dethlefs, N, York, K (2025) Global evaluation of wave data reanalysis: Comparison of the ERA5 dataset to buoy observations, Applied Ocean Research, 157, 104490, ISSN: 0141-1187. DOI: 10.1016/j.apor.2025.104490.

Dhar, N, Lloyd, CJ, Walker, J, Dorrell, RM (2025) The Influence of Structural Design on the Hydrodynamics of Floating Offshore Wind Turbine Platforms, Journal of Marine Science and Engineering, 13(2), 248, ISSN: 2077-1312. DOI: 10.3390/jmse13020248.

Yamaguchi, N, Matsuhisa, Y, Sekiguchi, T, Wu, X, Dorrell, R (2024) Threshold for oscillatory-flow ripple initiation on cohesive and non-cohesive mixtures of sand and mud, Coastal Engineering Journal, 67(1), pp.136-145, ISSN: 2166-4250. DOI: 10.1080/21664250.2024.2435711.

Mendrik, F, Hackney, CR, Cumming, VM, Waller, C, Hak, D, Dorrell, R, Hung, NN, Parsons, D (2024) The transport and vertical distribution of microplastics in the Mekong River, SE Asia, Journal of Hazardous Materials, 484, 136762, ISSN: 0304-3894. DOI: 10.1016/j.jhazmat.2024.136762.

Lloyd, C and Dorrell, R (2024) Linear dynamics in turbulent stratified plane Poiseuille flow, Journal of Fluid Mechanics, 999, A104, ISSN: 0022-1120. DOI: 10.1017/jfm.2024.1000.

Kevin Reece, J, Dorrell, R, M. Straub, K (2024) Influence of flow discharge and minibasin shape on the flow behavior and depositional mechanics of ponded turbidity currents, Geological Society of America Bulletin, 137(3 - 4), pp.1797-1814, ISSN: 0016-7606. DOI: 10.1130/B37517.1.

Crisóstomo-Figueroa, A, Dorrell, R, Amy, L, D. McArthur, A, D.McCaffrey, W (2024) Modeling the tilt of bend-traversing turbidity currents: implications for sinuous submarine channel development, Journal of Geophysical Research (JGR): Oceans, 129(10), e2023JC020131, ISSN: 2169-9275. DOI: 10.1029/2023JC020131.

P. Bailey, L, M. Dorrell, R, Kostakis, I, McKee, D, Parsons, D, Rees, J, Strong, J, Simmons, S, Forster, R (2024) Monopile-induced turbulence and sediment redistribution form visible wakes in offshore wind farms, Frontiers in Earth Science, 12, 1383726, DOI: 10.3389/feart.2024.1383726.

Reece, JK, Dorrell, R, Straub, KM (2024) Circulation of hydraulically ponded turbidity currents and the filling of continental slope minibasins, Nature Communications, 15, 2075, ISSN: 2041-1723. DOI: 10.1038/s41467-024-46120-2.

Azpiroz-Zabala, M, Sumner, EJ, Cartigny, MJB, Peakall, J, Clare, MA, Darby, SE, Parsons, D, Dorrell, RM, Özsoy, E, Tezcan, D, Wynn, RB, Johnson, J (2024) Benthic biology influences sedimentation in submarine channel bends: Coupling of biology, sedimentation and flow, The Depositional Record, 10(1), pp.159-175, ISSN: 2055-4877. DOI: 10.1002/dep2.265.

de Vet, MGW, Fernández, R, Baas, JH, McCaffrey, WD, Dorrell, RM (2023) Streamwise Turbulence Modulation in Non-Uniform Open-Channel Clay Suspension Flows, Journal of Geophysical Research Earth Surface, 128(8), ISSN: 2169-9003. DOI: 10.1029/2022JF006781.

Ohata, K, de Cala, I, Dorrell, RM, Naruse, H, McLelland, SJ, Simmons, SM, McCaffrey, WD (2023) Density stratification controls the bedform phase diagram of saline-gravity currents versus open-channel flows, Sedimentology, 70(4), pp.1224-1250, ISSN: 0037-0746. DOI: 10.1111/sed.13075.

Fukuda, S, G. W. de Vet, M, W. G. Skevington, E, Bastianon, E, Fernández, R, Wu, X, D. McCaffrey, W, Naruse, H, Parsons, D, M. Dorrell, R (2023) Inadequacy of fluvial energetics for describing gravity current autosuspension, Nature Communications, 14(1), 2288, ISSN: 2041-1723. DOI: 10.1038/s41467-023-37724-1.

Marshall, CR, Dorrell, RM, Keevil, GM, Peakall, J, Tobias, SM (2023) On the role of transverse motion in pseudo-steady gravity currents, Experiments in Fluids, 64(3), ISSN: 0723-4864. DOI: 10.1007/s00348-023-03599-7.

Lloyd, CJ, Mittal, K, Dutta, S, Dorrell, RM, Peakall, J, Keevil, GM, Burns, AD (2023) Multi-fidelity modelling of shark skin denticle flows: insights into drag generation mechanisms, Royal Society Open Science, 10(2), 220684, DOI: 10.1098/rsos.220684.

Bastianon, E, Hope, J, Dorrell, R, Parsons, D (2022) Effect of hydro-climate variation on biofilm dynamics and its impact in intertidal environments, Earth Surface Dynamics, 10(6), pp.1115-1140, ISSN: 2196-6311. DOI: 10.5194/esurf-10-1115-2022.

Allen, PA, Dorrell, RM, Harlen, OG, Thomas, RE, McCaffrey, WD (2022) Mixing in density- and viscosity-stratified flows, Physics of Fluids, 34(9), ISSN: 1070-6631. DOI: 10.1063/5.0108337.

Sheng, W, Tapoglou, E, Ma, X, Taylor, CJ, Dorrell, R, Parsons, DR, Aggidis, G (2022) Time‐Domain Implementation and Analyses of Multi‐Motion Modes of Floating Structures, Journal of Marine Science and Engineering, 10(5), DOI: 10.3390/jmse10050662.

Sheng, W, Tapoglou, E, Ma, X, Taylor, CJ, Dorrell, RM, Parsons, DR, Aggidis, G (2022) Hydrodynamic studies of floating structures: Comparison of wave-structure interaction modelling, Ocean Engineering, 249, ISSN: 0029-8018. DOI: 10.1016/j.oceaneng.2022.110878.

Adekanye, D, Khan, A, Burns, A, McCaffrey, W, Geier, M, Schönherr, M, Dorrell, R (2022) Graphics processing unit accelerated lattice Boltzmann method simulations of dilute gravity currents, Physics of Fluids, 34(4), ISSN: 1070-6631. DOI: 10.1063/5.0082959.

Dorrell, RM, Lloyd, CJ, Lincoln, BJ, Rippeth, TP, Taylor, JR, Caulfield, CCP, Sharples, J, Polton, JA, Scannell, BD, Greaves, DM, Hall, RA, Simpson, JH (2022) Anthropogenic Mixing in Seasonally Stratified Shelf Seas by Offshore Wind Farm Infrastructure, Frontiers in Marine Science, 9, DOI: 10.3389/fmars.2022.830927.

Lloyd, CJ, Dorrell, RM, Caulfield, CP (2022) The coupled dynamics of internal waves and hairpin vortices in stratified plane Poiseuille flow, Journal of Fluid Mechanics, 934, A10, ISSN: 0022-1120. DOI: 10.1017/jfm.2021.1007.

Amy, L and Dorrell, R (2022) Equilibrium sediment transport by dilute turbidity currents: Comparison of competence-based and capacity-based models, Sedimentology, 69(2), pp.624-650, ISSN: 0037-0746. DOI: 10.1111/sed.12921.

Marshall, CR, Dorrell, RM, Dutta, S, Keevil, GM, Peakall, J, Tobias, SM (2021) The effect of Schmidt number on gravity current flows: The formation of large-scale three-dimensional structures, Physics of Fluids, 33(10), ISSN: 1070-6631. DOI: 10.1063/5.0064386.

Medina-Lopez, E, McMillan, D, Lazic, J, Hart, E, Zen, S, Angeloudis, A, Bannon, E, Browell, J, Dorling, S, Dorrell, RM, Forster, R, Old, C, Payne, GS, Porter, G, Rabaneda, AS, Sellar, B, Tapoglou, E, Trifonova, N, Woodhouse, IH, Zampollo, A (2021) Satellite data for the offshore renewable energy sector: Synergies and innovation opportunities, Remote Sensing of Environment, 264, ISSN: 0034-4257. DOI: 10.1016/j.rse.2021.112588.

Tapoglou, E, Forster, RM, Dorrell, RM, Parsons, D (2021) Machine learning for satellite-based sea-state prediction in an offshore windfarm, Ocean Engineering, 235, ISSN: 0029-8018. DOI: 10.1016/j.oceaneng.2021.109280.

Lloyd, CJ, Peakall, J, Burns, AD, Keevil, GM, Dorrell, RM, Wignall, PB, Fletcher, TM (2021) Hydrodynamic efficiency in sharks: the combined role of riblets and denticles, Bioinspiration & Biomimetics, 16(4), pp.046008-046008, ISSN: 1748-3182. DOI: 10.1088/1748-3190/abf3b1.

Marshall, CR, Dorrell, RM, Keevil, GM, Peakall, J, Tobias, SM (2021) Observations of large-scale coherent structures in gravity currents: implications for flow dynamics, Experiments in Fluids, 62(6), ISSN: 0723-4864. DOI: 10.1007/s00348-021-03217-4.

Mendrik, F, Fernández, R, Hackney, C, Waller, C, Dorrell, R, Vasilopoulos, G, Parsons, D (2021) Controls of bio-modulated flocculation on the fate of microplastic pollution in river-estuary transition zones, DOI: 10.5194/egusphere-egu21-601.

Wells, MG and Dorrell, RM (2021) Turbulence Processes within Turbidity Currents, Annual Review of Fluid Mechanics, 53, pp.59-83, ISSN: 0066-4189. DOI: 10.1146/annurev-fluid-010719-060309.

Crisóstomo-Figueroa, A, McArthur, AD, Dorrell, RM, Amy, L, McCaffrey, WD (2020) A New Modelling Approach to Sediment Bypass Prediction Applied to the East Coast Basin, New Zealand, Geological Society of America Bulletin, 133(7-8), pp.1734-1748, ISSN: 0016-7606. DOI: 10.1130/B35687.1.

Amy, L and Dorrell, R (2020) Equilibrium sediment transport, grade and discharge for suspended-load-dominated flows on Earth, Mars and Titan, Icarus, 360, 114243, ISSN: 0019-1035. DOI: 10.1016/j.icarus.2020.114243.

de Cala, I, Ohata, K, Dorrell, R, Naruse, H, Patacci, M, Amy, LA, Simmons, S, McLelland, SJ, McCaffrey, WD (2020) Relating the Flow Processes and Bedforms of Steady-State and Waning Density Currents, Frontiers in Earth Science, 8, DOI: 10.3389/feart.2020.535743.

Peakall, J, Best, J, Baas, JH, Hodgson, DM, Clare, MA, Talling, PJ, Dorrell, RM, Lee, DR (2020) An integrated process-based model of flutes and tool marks in deep-water environments: Implications for palaeohydraulics, the Bouma sequence and hybrid event beds, Sedimentology, 67(4), pp.1601-1666, ISSN: 0037-0746. DOI: 10.1111/sed.12727.

Mendrik, F, Parsons, D, Hackney, C, Waller, C, Cumming, V, Dorrell, R, Vasilopoulos, G (2020) Controls on microplastic flux mechanisms in a large river, DOI: 10.5194/egusphere-egu2020-8116.

Lloyd, CJ, Peakall, J, Burns, AD, Keevil, GM, Dorrell, RM (2020) Numerical errors at walls: on the sensitivity of RANS models to near-wall cell size, International Journal of Computational Fluid Dynamics, 34(3), pp.204-225, ISSN: 1061-8562. DOI: 10.1080/10618562.2020.1732941.

Davarpanah Jazi, S, Wells, MG, Peakall, J, Dorrell, RM, Thomas, RE, Keevil, GM, Darby, SE, Sommeria, J, Viboud, S, Valran, T (2020) Influence of Coriolis Force Upon Bottom Boundary Layers in a Large-Scale Gravity Current Experiment: Implications for Evolution of Sinuous Deep-Water Channel Systems, Journal of Geophysical Research Oceans, 125(3), ISSN: 2169-9275. DOI: 10.1029/2019JC015284.

Allen, PA, Dorrell, RM, Harlen, OG, Thomas, RE, McCaffrey, WD (2020) Pulse propagation in gravity currents, Physics of Fluids, 32(1), ISSN: 1070-6631. DOI: 10.1063/1.5130576.

Dorrell, RM, Peakall, J, Darby, SE, Parsons, DR, Johnson, J, Sumner, EJ, Wynn, RB, Özsoy, E, Tezcan, D (2019) Self-sharpening induces jet-like structure in seafloor gravity currents, Nature Communications, 10(1), DOI: 10.1038/s41467-019-09254-2.

Barrett, BJ, Collier, RELL, Hodgson, DM, Gawthorpe, RL, Dorrell, RM, Cullen, TM (2019) Quantifying faulting and base level controls on syn-rift sedimentation using stratigraphic architectures of coeval, adjacent Early-Middle Pleistocene fan deltas in Lake Corinth, Greece, Basin Research, 31(6), pp.1040-1065, ISSN: 0950-091X. DOI: 10.1111/bre.12356.

Kelly, RW, Dorrell, RM, Burns, AD, McCaffrey, WD (2019) The Structure and Entrainment Characteristics of Partially Confined Gravity Currents, Journal of Geophysical Research Oceans, 124(3), pp.2110-2125, ISSN: 2169-9275. DOI: 10.1029/2018JC014042.

Ho, VL, Dorrell, RM, Keevil, GM, Thomas, RE, Burns, AD, Baas, JH, McCaffrey, WD (2019) Dynamics and deposition of sediment-bearing multi-pulsed flows and geological implication, Journal of Sedimentary Research, 8(11), pp.1127-1139, ISSN: 1527-1404. DOI: 10.2110/jsr.2019.62.

Dorrell, RM, Patacci, M, McCaffrey, WD (2018) Inflation of ponded, particulate laden density currents, Journal of Sedimentary Research, 88(11), pp.1276-1282, ISSN: 1527-1404. DOI: 10.2110/jsr.2018.65.

Arfaie, A, Burns, AD, Dorrell, RM, Ingham, DB, Eggenhuisen, JT, McCaffrey, WD (2018) Optimisation of flow resistance and turbulent mixing over bed forms, Environmental Modelling and Software, 107, pp.141-147, ISSN: 1364-8152. DOI: 10.1016/j.envsoft.2018.06.002.

Ho, VL, Dorrell, RM, Keevil, GM, Burns, AD, McCaffrey, WD (2018) Scaling analysis of multipulsed turbidity current evolution with application to turbidite interpretation, Journal of Geophysical Research Oceans, 123(5), pp.3668-3684, ISSN: 2169-9275. DOI: 10.1029/2017JC013463.

Barrett, BJ, Hodgson, DM, Collier, REL, Dorrell, RM (2018) Novel 3D sequence stratigraphic numerical model for syn-rift basins: Analysing architectural responses to eustasy, sedimentation and tectonics, Marine and Petroleum Geology, 92, pp.270-284, ISSN: 0264-8172. DOI: 10.1016/j.marpetgeo.2017.10.026.

Dorrell, RM, Amy, LA, Peakall, J, McCaffrey, WD (2018) Particle Size Distribution Controls the Threshold Between Net Sediment Erosion and Deposition in Suspended Load Dominated Flows, Geophysical Research Letters, 45(3), pp.1443-1452, ISSN: 0094-8276. DOI: 10.1002/2017GL076489.

Dorrell, RM, Peakall, J, Burns, C, Keevil, GM (2018) A novel mixing mechanism in sinuous seafloor channels: Implications for submarine channel evolution, Geomorphology, 303, pp.1-12, ISSN: 0169-555X. DOI: 10.1016/j.geomorph.2017.11.008.

Ho, VL, Dorrell, RM, Keevil, GM, Burns, AD, McCaffrey, WD (2018) Pulse propagation in turbidity currents, Sedimentology, 65(2), pp.620-637, ISSN: 0037-0746. DOI: 10.1111/sed.12397.

Yan, N, Mountney, NP, Colombera, L, Dorrell, RM (2017) A 3D forward stratigraphic model of fluvial meander-bend evolution for prediction of point-bar lithofacies architecture, Computers and Geosciences, 105, pp.65-80, ISSN: 0098-3004. DOI: 10.1016/j.cageo.2017.04.012.

Dorrell, RM, Peakall, J, Sumner, EJ, Parsons, DR, Darby, SE, Wynn, RB, Özsoy, E, Tezcan, D (2016) Flow dynamics and mixing processes in hydraulic jump arrays: Implications for channel-lobe transition zones, Marine Geology, 381, pp.181-193, ISSN: 0025-3227. DOI: 10.1016/j.margeo.2016.09.009.

Dorrell, RM, Burns, AD, McCaffrey, WD (2015) The inherent instability of leveed seafloor channels, Geophysical Research Letters, 42(10), pp.4023-4031, ISSN: 0094-8276. DOI: 10.1002/2015GL063809.

Peakall, J, Darby, SE, Dorrell, RM, Parsons, DR, Sumner, EJ, Wynn, RB (2014) Comment on “A simple model for vertical profiles of velocity and suspended sediment concentration in straight and curved submarine channels” by M. Bolla Pittaluga and J. Imran, Journal of Geophysical Research Earth Surface, 119(9), pp.2070-2073, ISSN: 2169-9003. DOI: 10.1002/2014JF003211.

Fletcher, T, Altringham, J, Peakall, J, Wignall, P, Dorrell, R (2014) Hydrodynamics of fossil fishes, Proceedings of the Royal Society B Biological Sciences, 281(1788), ISSN: 0962-8452. DOI: 10.1098/rspb.2014.0703.

Wynn, RB, Huvenne, VAI, Le Bas, TP, Murton, BJ, Connelly, DP, Bett, BJ, Ruhl, HA, Morris, KJ, Peakall, J, Parsons, DR, Sumner, EJ, Darby, SE, Dorrell, RM, Hunt, JE (2014) Autonomous Underwater Vehicles (AUVs): Their past, present and future contributions to the advancement of marine geoscience, Marine Geology, 352, pp.451-468, ISSN: 0025-3227. DOI: 10.1016/j.margeo.2014.03.012.

Dorrell, RM, Darby, SE, Peakall, J, Sumner, EJ, Parsons, DR, Wynn, RB (2014) The critical role of stratification in submarine channels: Implications for channelization and long runout of flows, Journal of Geophysical Research: Oceans, 119(4), pp.2620-2641, ISSN: 2169-9275. DOI: 10.1002/2014jc009807.

Sumner, EJ, Peakall, J, Dorrell, RM, Parsons, DR, Darby, SE, Wynn, RB, McPhail, SD, Perrett, J, Webb, A, White, D (2014) Driven around the bend: Spatial evolution and controls on the orientation of helical bend flow in a natural submarine gravity current, Journal of Geophysical Research: Oceans, 119(2), pp.898-913, ISSN: 2169-9275. DOI: 10.1002/2013jc009008.

Arfaie, A, Burns, AD, Dorrell, RM, Eggenhuisen, JT, Ingham, DB, McCaffrey, WD (2014) Optimised mixing and flow resistance during shear flow over a rib roughened boundary, International Communications in Heat and Mass Transfer, 58, pp.54-62, ISSN: 0735-1933. DOI: 10.1016/j.icheatmasstransfer.2014.08.005.

Sumner, EJ, Peakall, J, Parsons, DR, Wynn, RB, Darby, SE, Dorrell, RM, McPhail, SD, Perrett, J, Webb, A, White, D (2013) First direct measurements of hydraulic jumps in an active submarine density current, Geophysical Research Letters, 40(22), pp.5904-5908, ISSN: 0094-8276. DOI: 10.1002/2013gl057862.

Dorrell, RM, Hogg, AJ, Pritchard, D (2013) Polydisperse suspensions: Erosion, deposition, and flow capacity, Journal of Geophysical Research Earth Surface, 118(3), pp.1939-1955, DOI: 10.1002/jgrf.20129.

Dorrell, RM, Darby, SE, Peakall, J, Sumner, EJ, Parsons, DR, Wynn, RB (2013) Superelevation and overspill control secondary flow dynamics in submarine channels, Journal of Geophysical Research: Oceans, 118(8), pp.3895-3915, ISSN: 2169-9275. DOI: 10.1002/jgrc.20277.

Dorrell, RM and Hogg, AJ (2012) Length and Time Scales of Response of Sediment Suspensions to Changing Flow Conditions, Journal of Hydraulic Engineering, 138(5), pp.430-439, ISSN: 0733-9429. DOI: 10.1061/(ASCE)HY.1943-7900.0000532.

Dorrell, RM, Hogg, AJ, Sumner, EJ, Talling, PJ (2011) The structure of the deposit produced by sedimentation of polydisperse suspensions, Journal of Geophysical Research Earth Surface, 116(1), DOI: 10.1029/2010JF001718.

Dorrell, R and Hogg, AJ (2010) Sedimentation of bidisperse suspensions, International Journal of Multiphase Flow, 36(6), pp.481-490, ISSN: 0301-9322. DOI: 10.1016/j.ijmultiphaseflow.2010.02.001.



Conferences

Rizaev, IG, Dorrell, RM, Oikonomou, CLG, Tapoglou, E, Hall, C, Aggidis, GA, Parsons, DR (2023) Wave power resource dynamics for the period 1980-2021 in Atlantic Europe's Northwest seas. In , Proceedings of the International Offshore and Polar Engineering Conference, pp.644-649.

Hall, C, Wu, Y, Rizaev, I, Sheng, W, Dorrell, R, Aggidis, G (2023) The Impact of Wave Prediction Uncertainty on the Control of a Multi-Axis Wave Energy Converter. In , Proceedings of the European Wave and Tidal Energy Conference. DOI: 10.36688/ewtec-2023-453.

Allen, P, Harlen, O, Dorrell, R, Thomas, R, McCaffrey, W (2018) Surge Propagation in Debris Flows. In 2018 AAPG Annual Convention & Exhibition,, DOI: 10.1306/51540allen2018.

Mountney, N, Colombera, L, Yan, N, Dorrell, RM, McCaffrey, WD (2016) Keynote speech - Validation of numerically generated stratigraphic architecture. In , 2nd Conference on Forward Modelling of Sedimentary Systems from Desert to Deep Marine Depositioned Systems, pp.120-124, DOI: 10.3997/2214-4609.201600379.



Chapters

Yan, N, Colombera, L, Mountney, NP, Dorrell, RM (2018) Fluvial point-bar architecture and facies heterogeneity and their influence on intra-bar static connectivity in humid coastal-plain and dryland fan systems. In Fluvial Meanders and their Sedimentary Products in the Rock Record, pp.475-508, DOI: 10.1002/9781119424437.ch18.



Other

Dhar, N, Dorrell, RM, Lloyd, CJ, McLelland, SJ, Walker, J (2025) Effect of Increased Geometric Complexity on LoadActing on Floating Offshore Wind Turbine Platforms, Renewable energy sources, including offshore wind energy, are fundamental to reducing fossil fuelconsumption and greenhouse gas emissions. Many countries are planning for a rapid and massive ex-pansion of the offshore wind sector to meet the NetZero goals. So far, the installation of offshore windturbines (OWT) has been restricted to near-shore shallow water (≤ 60m). However, future expansionof the sector will be in deep waters, away from the shore, where the wind speed is stronger and moreconsistent. Monopiles, the most commonly used foundations for OWT, become uneconomical or tech-nologically unfeasible in deep waters. Therefore, OWT supported by floating platforms is the way to goforward. The initial platform designs and construction were based on the experience obtained from theoil and gas industry (O&G). However, the load acting and the movement of the floating offshore windturbine (FOWT) platforms are vastly different from the O&G platforms. In addition to the aerodynamicloading, these platforms are subjected to hydrodynamic loading, making platform design a complex task.Evaluating the forces acting on these platforms, even under idealistic conditions, is challenging. Althoughsignificant progress has been made, platform, anchor, mooring, and turbine design improvement dependson accurate load calculation. Further, understanding hydrodynamic loading is essential to evaluate theenergy losses due to the FOWT system and, therefore, the mixing of the water column behind the struc-ture. In this research, the effect of increased geometric complexity on load acting on a semi-submersibleplatform is numerically investigated. Three unidirectional flow regimes of Reynolds number (Re) = 2900,43000, and 200000 are investigated, using the OC4 semi-submersible platform as the reference. The OC4semi-submersible platform was developed by the OC4-DeepCWind consortium to obtain experimentaldata and validate numerical models for FOWT. The results show that the drag force acting on the plat-form increases as the Re and number of members in the platform increases. These findings are importantin understanding the hydrodynamic loading on FOWT platforms under static conditions and designingthe platform, mooring and anchoring systems. Further, this is essential for the sustainable developmentof the offshore wind energy sector.     . DOI: 10.5194/egusphere-egu24-16226.



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