Skip to main content

Research Repository

Advanced Search

All Outputs (79)

Wind turbine asymmetrical load reduction with pitch sensor fault compensation (2020)
Journal Article
Liu, Y., Patton, R. J., & Shi, S. (2020). Wind turbine asymmetrical load reduction with pitch sensor fault compensation. Wind energy, 23(7), 1523-1541. https://doi.org/10.1002/we.2496

Offshore wind turbines suffer from asymmetrical loading (blades, tower, etc), leading to enhanced structural fatigue. As well as asymmetrical loading different faults (pitch system faults etc.) can occur simultaneously, causing degradation of load mi... Read More about Wind turbine asymmetrical load reduction with pitch sensor fault compensation.

Emerging citizen contributions, roles and interactions with public authorities in Dutch pluvial flood risk management (2020)
Journal Article
Forrest, S. A., Trell, E.-M., & Woltjer, J. (2021). Emerging citizen contributions, roles and interactions with public authorities in Dutch pluvial flood risk management. International Journal of Water Resources Development, 37(1), 1-23. https://doi.org/10.1080/07900627.2019.1701999

This article focuses on the emerging role of citizens and their increasing contributions to local pluvial flood risk management in the Netherlands. A qualitative research approach is followed with semi-structured interviews, and analysis of policy do... Read More about Emerging citizen contributions, roles and interactions with public authorities in Dutch pluvial flood risk management.

An integrated process-based model of flutes and tool marks in deep-water environments: Implications for palaeohydraulics, the Bouma sequence and hybrid event beds (2020)
Journal Article
Clare, M. A., Peakall, J., Lee, D. R., Best, J., Dorrell, R. M., Baas, J. H., Hodgson, D. M., & Talling, P. J. (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, https://doi.org/10.1111/sed.12727

Flutes and tool marks are commonly observed sedimentary structures on the bases of sandstones in deep‐water successions. These sole structures are universally used as palaeocurrent indicators but, in sharp contrast to most sedimentary structures, the... Read More about An integrated process-based model of flutes and tool marks in deep-water environments: Implications for palaeohydraulics, the Bouma sequence and hybrid event beds.

Numerical errors at walls: on the sensitivity of RANS models to near-wall cell size (2020)
Journal Article
Lloyd, C. J., Peakall, J., Burns, A. D., Keevil, G. M., & Dorrell, R. M. (in press). Numerical errors at walls: on the sensitivity of RANS models to near-wall cell size. International Journal of Computational Fluid Dynamics, 34(3), 204-225. https://doi.org/10.1080/10618562.2020.1732941

The sensitivity of a large range of turbulence closures to the near-wall grid resolution is assessed through analytical and numerical techniques. We determine model boundedness, limiting behaviour, and solution dependence of channel flow simulations... Read More about Numerical errors at walls: on the sensitivity of RANS models to near-wall cell size.

The nature and age of Mesoproterozoic strike-slip faulting based on Re-Os geochronology of syn-tectonic copper mineralization, Assynt Terrane, NW Scotland (2020)
Journal Article
Holdsworth, R. E., Selby, D., Dempsey, E., Scott, L., Hardman, K., Fallick, A., & Bullock, R. (in press). The nature and age of Mesoproterozoic strike-slip faulting based on Re-Os geochronology of syn-tectonic copper mineralization, Assynt Terrane, NW Scotland. Journal of the Geological Society, jgs2020-011. https://doi.org/10.1144/jgs2020-011

Blue carbon audit of Orkney waters (2020)
Book
Porter, J., Austin, W., Burrows, M., Clarke, D., Davies, G., Kamenos, N., …Want, A. (2020). Blue carbon audit of Orkney waters. Aberdeen: Marine Scotland Science. https://doi.org/10.7489/12262-1

In May 2019, the Scottish Government declared a global climate emergency in response to climatic change linked to elevated CO2 levels in the atmosphere. The most obvious effects of climate change include increased atmospheric and sea surface temperat... Read More about Blue carbon audit of Orkney waters.

Influence of Coriolis force upon bottom boundary layers in a large‐scale gravity current experiment: Implications for evolution of sinuous deep‐water channel systems (2020)
Journal Article
Davarpanah Jazi, S., Wells, M., Peakall, J., Dorrell, R., Thomas, R., Keevil, G., Darby, S., 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), https://doi.org/10.1029/2019JC015284

Oceanic density currents in many deep-water channels are strongly influenced by the Coriolis force. The dynamics of the bottom-boundary layer in large geostrophic flows, and low Rossby number turbidity currents, are very important for determining the... Read More about Influence of Coriolis force upon bottom boundary layers in a large‐scale gravity current experiment: Implications for evolution of sinuous deep‐water channel systems.

Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system (2020)
Journal Article
Rejeb, O., Shittu, S., Ghenai, C., Li, G., Zhao, X., & Bettayeb, M. (2020). Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system. Renewable energy, 152, 1342-1353. https://doi.org/10.1016/j.renene.2020.02.007

This work presents, for the first time, a statistical model to forecast the electrical efficiency of concentrated photovoltaic-thermoelectric system (CPV-TE). The main objective of this work is to analyze the impact of the input factors (product of s... Read More about Optimization and performance analysis of a solar concentrated photovoltaic-thermoelectric (CPV-TE) hybrid system.

Performance Analysis of Boosting Classifiers in Recognizing Activities of Daily Living (2020)
Journal Article
Rahman, S., Irfan, M., Raza, M., Moyeezullah Ghori, K., Yaqoob, S., & Awais, M. (2020). Performance Analysis of Boosting Classifiers in Recognizing Activities of Daily Living. International Journal of Environmental Research and Public Health, 17(3), Article 1082. https://doi.org/10.3390/ijerph17031082

Physical activity is essential for physical and mental health, and its absence is highly associated with severe health conditions and disorders. Therefore, tracking activities of daily living can help promote quality of life. Wearable sensors in this... Read More about Performance Analysis of Boosting Classifiers in Recognizing Activities of Daily Living.

Genetic structure of amphi-Atlantic Laminaria digitata (Laminariales, Phaeophyceae) reveals a unique range-edge gene pool and suggests post-glacial colonization of the NW Atlantic (2020)
Journal Article
Neiva, J., Serrão, {. A., Paulino, C., Gouveia, L., Want, A., Tamigneaux, Έ., …Valero, M. (2020). Genetic structure of amphi-Atlantic Laminaria digitata (Laminariales, Phaeophyceae) reveals a unique range-edge gene pool and suggests post-glacial colonization of the NW Atlantic. European Journal of Phycology, 55, 517--528. https://doi.org/10.1080/09670262.2020.1750058

In the North-east (NE) Atlantic, most intertidal fucoids and warm-temperate kelps show unique low-latitude gene pools matching long-term climatic refugia. For cold-temperate kelps data are scarcer despite their unique cultural, ecological and economi... Read More about Genetic structure of amphi-Atlantic Laminaria digitata (Laminariales, Phaeophyceae) reveals a unique range-edge gene pool and suggests post-glacial colonization of the NW Atlantic.

Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Zhou, J., Ma, X., & Akhlaghi, Y. G. (2020). Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe. Energy Conversion and Management, 207, Article 112515. https://doi.org/10.1016/j.enconman.2020.112515

Effective cooling of the photovoltaic can enhance electrical conversion efficiency of a photovoltaic system. The combination of photovoltaic and thermoelectric generator provides unique advantages because of their complementary characteristics. In ad... Read More about Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe.

A novel integrated solar tri-generation system for cooling, freshwater and electricity production purpose: Energy, economic and environmental performance analysis (2020)
Journal Article
Dabwan, Y. N., Pei, G., Gao, G., Feng, J., & Li, J. (2020). A novel integrated solar tri-generation system for cooling, freshwater and electricity production purpose: Energy, economic and environmental performance analysis. Solar Energy, 198, 139-150. https://doi.org/10.1016/j.solener.2020.01.043

This article presents the results of a thermodynamic-economic-environmental analysis of integrating linear Fresnel reflector (LFR) with a tri-generation system. The optimal integrated solar field size has been identified and the pertinent reduction i... Read More about A novel integrated solar tri-generation system for cooling, freshwater and electricity production purpose: Energy, economic and environmental performance analysis.

Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape (2020)
Journal Article
Cisneros, J., Best, J., van Dijk, T., Almeida, R. P. D., Amsler, M., Boldt, J., Freitas, B., Galeazzi, C., Huizinga, R., Ianniruberto, M., Ma, H., Nittrouer, J. A., Oberg, K., Orfeo, O., Parsons, D., Szupiany, R., Wang, P., & Zhang, Y. (2020). Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape. Nature Geoscience, 13(2), 156-162. https://doi.org/10.1038/s41561-019-0511-7

Dunes are present in all the worlds’ big rivers and form critical agents of bedload transport, constitute appreciable sources of bed roughness and flow resistance, and generate stratification that is the most common depositional element of ancient al... Read More about Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape.

Individual-based model of juvenile eel movement parametrized with computational fluid dynamics-derived flow fields informs improved fish pass design (2020)
Journal Article
Padgett, T. E., Borman, D. J., Mould, D. C., Padgett, T., Thomas, R. E., Borman, D., & Mould, D. (2020). Individual-based model of juvenile eel movement parametrized with computational fluid dynamics-derived flow fields informs improved fish pass design. Royal Society Open Science, 7(1), Article 191505. https://doi.org/10.1098/rsos.191505

European eel populations have declined markedly in recent decades, caused in part by in-stream barriers, such as weirs and pumping stations, which disrupt the upstream migration of juvenile eels, or elvers, into rivers. Eel passes, narrow sloping cha... Read More about Individual-based model of juvenile eel movement parametrized with computational fluid dynamics-derived flow fields informs improved fish pass design.

River bank instability from unsustainable sand mining in the lower Mekong River (2020)
Journal Article
Hackney, C. R., Darby, S., Parsons, D. R., Leyland, J., Best, J., Aalto, R., Nicholas, A., & Houseago, R. (2020). River bank instability from unsustainable sand mining in the lower Mekong River. Nature Sustainability, 3(3), 217-225. https://doi.org/10.1038/s41893-019-0455-3

Recent growth of the construction industry has fuelled demand for sand, with considerable volumes being extracted from the world’s large rivers. Sediment transport from upstream naturally replenishes sediment stored in river beds, but the absence of... Read More about River bank instability from unsustainable sand mining in the lower Mekong River.

Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Ma, X., Akhlaghi, Y. G., & Fan, Y. (2020). Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances. Energy Conversion and Management, 205, Article 112422. https://doi.org/10.1016/j.enconman.2019.112422

© 2019 Elsevier Ltd A consequence of the integration of photovoltaic module and thermoelectric generator is the presence of thermal contact, which affects the heat transfer in the hybrid system. Thermal and electrical contact are inevitable in a ther... Read More about Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances.

Pulse propagation in gravity currents (2020)
Journal Article
Allen, P. A., Dorrell, R. M., Harlen, O. G., Thomas, R. E., & McCaffrey, W. D. (2020). Pulse propagation in gravity currents. Physics of Fluids, 32(1), Article 016603. https://doi.org/10.1063/1.5130576

Real world gravity current flows rarely exist as a single discrete event, but are instead made up of multiple surges. This paper examines the propagation of surges as pulses in gravity currents. Using theoretical shallow-water modeling, we analyze th... Read More about Pulse propagation in gravity currents.

The study of a seasonal solar cchp system based on evacuated flat-plate collectors and organic rankine cycle (2020)
Journal Article
Gao, G., Li, J., Cao, J., Yang, H., Pei, G., & Su, Y. (2020). The study of a seasonal solar cchp system based on evacuated flat-plate collectors and organic rankine cycle. Thermal science Society of Heat Transfer Engineers of Serbia and Montenegro, 24(2A), 915-924. https://doi.org/10.2298/TSCI180804101G

The demands of cooling, heating and electricity in residential buildings are varied with seasons. This article presented a seasonal solar combined cooling heating and power (CCHP) system based on evacuated flat-plate collectors and organic Rankine cy... Read More about The study of a seasonal solar cchp system based on evacuated flat-plate collectors and organic rankine cycle.