Dr Daniel Curtis

Associate Professor

Chemical Engineering

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Intermediate Welsh Speaker

Office - 410
Fourth Floor
Engineering North
Bay Campus

Available For Postgraduate Supervision

Research Links

https://orcid.org/0000-0002-6955-0524

About

Dr Curtis’ interests involve the development of advanced rheometry for the study of Complex Fluids.

His work on advanced manufacturing and healthcare applications involves techniques for studying fluid microstructural responses to flows under conditions of manufacturing process and clinical relevance.

His rheometric, imaging and molecular dynamics simulation studies of biopolymers have involved combined viscoelastic and spectral analysis of gel network development and have contributed to improved understanding of blood clot evolution.

He is also developing NMR and microrheometric methods for studying flow within soft solids and complex fluids.

Areas Of Expertise

Rheometry
Haemorheology
Non-Newtonian Fluid Flow
NMR Diffusometry
Fractal Aggregation and Analysis
Fluorescence Microscopy.

Career Highlights

Research

Complex Fluids Research Group

Chemical Engineering Research

Publications

Research Highlights

Curtis, D. & Davies, A. (2021). Volterra kernels, Oldroyd models, and interconversion in superposition rheometry. Journal of Non-Newtonian Fluid Mechanics, 293, 104554
https://doi.org/10.1016/j.jnnfm.2021.104554, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa56746
Morgan, M., Holder, A., Curtis, D., & Deganello, D. (2018). Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity. Rheologica Acta, 57(2), 105-112.
https://doi.org/10.1007/s00397-017-1061-9, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa37777
Holder, A., Claypole, J., Claypole, T., Cooper, P., Williams, R., & Curtis, D. (2018). Fourier Transform Controlled Stress Parallel Superposition (FT-CSPS): Validation and application in processing printable functional materials. Physics of Fluids, 30(7), 077105
https://doi.org/10.1063/1.5029819, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa43407
Sabra, A., Lawrence, M., Curtis, D., Hawkins, K., Williams, R., & Evans, A. (2020). In vitro clot model to evaluate fibrin-thrombin effects on fractal dimension of incipient blood clot. Clinical Hemorheology and Microcirculation, 74(2), 147-153.
https://doi.org/10.3233/ch-190615, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa51304
Curtis, D. & Davies, A. (2019). On shear-rate dependent relaxation spectra in superposition rheometry: a basis for quantitative comparison/interconversion of orthogonal and parallel superposition moduli. Journal of Non-Newtonian Fluid Mechanics, 104198
https://doi.org/10.1016/j.jnnfm.2019.104198, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa52734
Curtis, D. & Davies, A. (2019). On response spectra and Kramers-Kronig relations in superposition rheometry. Physics of Fluids, 31(12), 127105
https://doi.org/10.1063/1.5133885, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa52860
Hawkins, K. & Curtis, D. (2020). Papers from the 2019 Institute of Non-Newtonian Fluid Mechanics Meeting in Lake Vyrnwy, Wales. Physics of Fluids, 32(4), 040401
https://doi.org/10.1063/5.0008256, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa54103
Hawkins, K., Evans, P., Lawrence, M., Curtis, D., Davies, M., Williams, P., Williams, R., & Evans, A. (2010). The development of rheometry for strain-sensitive gelling systems and its application in a study of fibrin–thrombin gel formation. Rheologica Acta, 49(9), 891-900.
https://doi.org/10.1007/s00397-010-0473-6, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10210
Evans, P., Lawrence, M., Morris, R., Thirumalai, N., Munro, R., Wakeman, L., Beddel, A., Williams, P., Barrow, M., Curtis, D., Brown, M., Hawkins, K., Williams, R., Brown, R., & Evans, A. (2010). Fractal analysis of viscoelastic data with automated gel point location and its potential application in the investigation of therapeutically modified blood coagulation. Rheologica Acta, 49(9), 901-908.
https://doi.org/10.1007/s00397-010-0472-7, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10212
Brown, M., Curtis, D., Rees, P., Summers, H., Hawkins, K., Evans, P., Williams, P., Williams, R., Hawkins, K., Brown, R., Rees, P., Summers, H., Curtis, D., & Evans, A. (2012). Fractal discrimination of random fractal aggregates and its application in biomarker analysis for blood coagulation. Chaos, Solitons & Fractals, 45(8), 1025-1032.
https://doi.org/10.1016/j.chaos.2012.04.004, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10968

All Research

Journal Articles

Hudson-Kershaw, R., Das, M., McKinley, G., & Curtis, D. (2024). 𝜎OWCh: Optimally Windowed Chirp rheometry using combined motor transducer/single head rheometers. Journal of Non-Newtonian Fluid Mechanics, 333, 105307
https://doi.org/10.1016/j.jnnfm.2024.105307, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa67483
Ogunkeye, A., Hudson, B., Davies, A., & Curtis, D. (2024). The Gordon–Schowalter/Johnson–Segalman model in parallel and orthogonal superposition rheometry and its application in the study of worm-like micellular systems. Journal of Non-Newtonian Fluid Mechanics, 327, 105216
https://doi.org/10.1016/j.jnnfm.2024.105216, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa65833
Ogunkeye, A., Hudson, B., & Curtis, D. (2023). The effect of instrument inertia on the initiation of oscillatory flow in stress controlled rheometry. Journal of Rheology, 67(6), 1175-1187.
https://doi.org/10.1122/8.0000665, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa64444
http://dx.doi.org/10.1122/8.0000665
Biggs, C., Gannon, B., Courtney, J., Curtis, D., & Dunnill, C. (2023). Electrolysing mud: Membraneless electrolysis of water for hydrogen production using montmorillonite-rich marine mud. Applied Clay Science, 241, 106950
https://doi.org/10.1016/j.clay.2023.106950, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa63510
http://dx.doi.org/10.1016/j.clay.2023.106950
Curtis, D. & Davies, A. (2021). Volterra kernels, Oldroyd models, and interconversion in superposition rheometry. Journal of Non-Newtonian Fluid Mechanics, 293, 104554
https://doi.org/10.1016/j.jnnfm.2021.104554, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa56746
Hawkins, K. & Curtis, D. (2020). Papers from the 2019 Institute of Non-Newtonian Fluid Mechanics Meeting in Lake Vyrnwy, Wales. Physics of Fluids, 32(4), 040401
https://doi.org/10.1063/5.0008256, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa54103
Sabra, A., Lawrence, M., Curtis, D., Hawkins, K., Williams, R., & Evans, A. (2020). In vitro clot model to evaluate fibrin-thrombin effects on fractal dimension of incipient blood clot. Clinical Hemorheology and Microcirculation, 74(2), 147-153.
https://doi.org/10.3233/ch-190615, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa51304
Curtis, D. & Davies, A. (2019). On response spectra and Kramers-Kronig relations in superposition rheometry. Physics of Fluids, 31(12), 127105
https://doi.org/10.1063/1.5133885, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa52860
Curtis, D. & Davies, A. (2019). On shear-rate dependent relaxation spectra in superposition rheometry: a basis for quantitative comparison/interconversion of orthogonal and parallel superposition moduli. Journal of Non-Newtonian Fluid Mechanics, 104198
https://doi.org/10.1016/j.jnnfm.2019.104198, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa52734
Morgan, M., Curtis, D., & Deganello, D. (2019). Control of morphological and electrical properties of flexographic printed electronics through tailored ink rheology. Organic Electronics, 73, 212-218.
https://doi.org/10.1016/j.orgel.2019.05.027, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa50502
Holder, A., Claypole, J., Claypole, T., Cooper, P., Williams, R., & Curtis, D. (2018). Fourier Transform Controlled Stress Parallel Superposition (FT-CSPS): Validation and application in processing printable functional materials. Physics of Fluids, 30(7), 077105
https://doi.org/10.1063/1.5029819, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa43407
Geri, M., Keshavarz, B., Divoux, T., Clasen, C., Curtis, D., & McKinley, G. (2018). Time-Resolved Mechanical Spectroscopy of Soft Materials via Optimally Windowed Chirps. Physical Review X, 8(4)
https://doi.org/10.1103/PhysRevX.8.041042, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa45242
Nettle, C., Jenkins, L., Curtis, D., Badiei, N., Lewis, K., Williams, R., & Daniels, R. (2018). Linear rheology as a potential monitoring tool for sputum in patients with Chronic Obstructive Pulmonary Disease (COPD). Biorheology, 54(2-4), 67-80.
https://doi.org/10.3233/BIR-17141, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa37591
Morgan, M., Holder, A., Curtis, D., & Deganello, D. (2018). Formulation, characterisation and flexographic printing of novel Boger fluids to assess the effects of ink elasticity on print uniformity. Rheologica Acta, 57(2), 105-112.
https://doi.org/10.1007/s00397-017-1061-9, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa37777
Holder, A., Badiei, N., Hawkins, K., Wright, C., Williams, R., & Curtis, D. (2018). Control of collagen gel mechanical properties through manipulation of gelation conditions near the sol–gel transition. Soft Matter, 14, 574-580.
https://doi.org/10.1039/C7SM01933E, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa36407
Hudson, R., Holder, A., Hawkins, K., Curtis, D., & Williams, R. (2017). An enhanced rheometer inertia correction procedure (ERIC) for the study of gelling systems using combined motor-transducer rheometers. Physics of Fluids, 29(12)
https://doi.org/10.1063/1.4993308, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa35940
Lamer, T., Thomas, B., Curtis, D., Badiei, N., Williams, P., Hawkins, K., Williams, R., Hawkins, K., & Curtis, D. (2017). The application of large amplitude oscillatory stress in a study of fully formed fibrin clots. Physics of Fluids, 29(12), 121606
https://doi.org/10.1063/1.4999991, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa35309
Burke, L., Mortimer, C., Curtis, D., Lewis, A., Williams, R., Hawkins, K., Maffeis, T., Wright, C., & Wright, C. (2017). In-situ synthesis of magnetic iron-oxide nanoparticle-nanofibre composites using electrospinning. Materials Science and Engineering: C, 70, 512-519.
https://doi.org/10.1016/j.msec.2016.09.014, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa29839
Tassieri, M., Laurati, M., Curtis, D., Auhl, D., Coppola, S., Scalfati, A., Hawkins, K., Williams, R., & Cooper, J. (2016). i-Rheo: Measuring the materials' linear viscoelastic properties “in a step”!. Journal of Rheology, 60(4), 649-660.
https://doi.org/10.1122/1.4953443, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27484
Lawrence, M., Marsden, N., Mothukuri, R., Morris, R., Davies, G., Hawkins, K., Curtis, D., Brown, M., Williams, P., Evans, P., Williams, R., Brown, R., & Evans, A. (2016). The Effects of Temperature on Clot Microstructure and Strength in Healthy Volunteers. Anesthesia & Analgesia, 122(1), 21-26.
https://doi.org/10.1213/ANE.0000000000000992, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27872
http://www.scopus.com/inward/record.url?eid=2-s2.0-84951567216&partnerID=MN8TOARS
Badiei, N., Sowedan, A., Curtis, D., Brown, R., Lawrence, M., Campbell, A., Sabra, A., Evans, A., Weisel, J., Chernysh, I., Nagaswami, C., Williams, R., & Hawkins, K. (2015). Effects of unidirectional flow shear stresses on the formation, fractal microstructure and rigidity of incipient whole blood clots and fibrin gels. Clinical Hemorheology and Microcirculation, 60(4), 451-464.
https://doi.org/10.3233/ch-151924, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa20275
Curtis, D., Holder, A., Badiei, N., Claypole, J., Walters, M., Thomas, B., Barrow, M., Deganello, D., Brown, R., Williams, R., & Hawkins, K. (2015). Validation of Optimal Fourier Rheometry for rapidly gelling materials and its application in the study of collagen gelation. Journal of Non-Newtonian Fluid Mechanics, 222, 253-259.
https://doi.org/10.1016/j.jnnfm.2015.01.003, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa20273
http://dx.doi.org/10.1016/j.jnnfm.2015.01.003
Curtis, D., Badiei, N., Holder, A., Claypole, J., Deganello, D., Brown, R., Lawrence, M., Evans, A., Williams, R., & Hawkins, K. (2015). Assessment of the stress relaxation characteristics of critical gels formed under unidirectional shear flow by controlled stress parallel superposition rheometry. Journal of Non-Newtonian Fluid Mechanics, 222, 227-233.
https://doi.org/10.1016/j.jnnfm.2014.12.004, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa20274
Lawrence, M., Sabra, A., Mills, G., Pillai, S., Abdullah, W., Hawkins, K., Morris, R., Davidson, S., D´Silva, L., Curtis, D., Brown, R., Weisel, J., Williams, R., & Evans, A. (2015). A new biomarker quantifies differences in clot microstructure in patients with venous thromboembolism. British Journal of Haematology, 168(4), 571-575.
https://doi.org/10.1111/bjh.13173, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27555
Curtis, D., Williams, P., Badiei, N., Campbell, A., Hawkins, K., Evans, P., Brown, M., Williams, R., Brown, R., & Evans, A. (2013). A study of microstructural templating in fibrin-thrombin gel networks by spectral and viscoelastic analysis. Soft Matter, 9(19), 4883-4889.
https://doi.org/10.1039/C3SM50263E, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa14405
Brown, M., Curtis, D., Rees, P., Summers, H., Hawkins, K., Evans, P., Williams, P., Williams, R., Hawkins, K., Brown, R., Rees, P., Summers, H., Curtis, D., & Evans, A. (2012). Fractal discrimination of random fractal aggregates and its application in biomarker analysis for blood coagulation. Chaos, Solitons & Fractals, 45(8), 1025-1032.
https://doi.org/10.1016/j.chaos.2012.04.004, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10968
Curtis, D., Brown, M., Hawkins, K., Evans, P., Lawrence, M., Rees, P., Williams, P., Williams, R., Hawkins, K., Brown, R., Rees, P., Lawrence, M., Curtis, D., & Evans, A. (2011). Rheometrical and molecular dynamics simulation studies of incipient clot formation in fibrin-thrombin gels: An activation limited aggregation approach. Journal of Non-Newtonian Fluid Mechanics, 166(16), 932-938.
https://doi.org/10.1016/j.jnnfm.2011.04.016, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa12137
Hawkins, K., Evans, P., Lawrence, M., Curtis, D., Davies, M., Williams, P., Williams, R., & Evans, A. (2010). The development of rheometry for strain-sensitive gelling systems and its application in a study of fibrin–thrombin gel formation. Rheologica Acta, 49(9), 891-900.
https://doi.org/10.1007/s00397-010-0473-6, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10210
Evans, P., Lawrence, M., Morris, R., Thirumalai, N., Munro, R., Wakeman, L., Beddel, A., Williams, P., Barrow, M., Curtis, D., Brown, M., Hawkins, K., Williams, R., Brown, R., & Evans, A. (2010). Fractal analysis of viscoelastic data with automated gel point location and its potential application in the investigation of therapeutically modified blood coagulation. Rheologica Acta, 49(9), 901-908.
https://doi.org/10.1007/s00397-010-0472-7, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa10212
Curtis, D., Hawkins, K., Lawrence, M., Davies, T., Brown, M., Williams, P., & Hawkins, K. (2010). Incipient fibrin gel microstructure as an indication of maturing clot growth processes. Journal Series on Biomechanics, 25, 184-189.
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa20282

Conference Contributions

Lubansky, A., Curtis, D., Williams, P., Deganello, D., Co, A., Leal, G., Colby, R., Giacomin, A., Deganello, D., & Curtis, D. (2008). Transient Extensional Rheology of an Aqueous Gelatin Solution: Before and During Gelation. (pp. 609-611).
https://doi.org/10.1063/1.2964781, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa12962

Supervision

Untitled (current)

PhD

Other supervisor: Dr Bjornar Sandnes
Untitled (current)

PhD

Other supervisor: Dr Matthew Barrow
Untitled (current)

PhD

Other supervisor: Dr Hari Arora
Optical based approaches for the rheological characterisation of blood (current)

PhD

Other supervisor: Prof Karl Hawkins
Spatiotemporal Instabilities in discontinuous shear thickening fluids (current)

PhD

Other supervisor: Dr Bjornar Sandnes
Modelling, characterisation and interpretation of rheological experiments performed on aqueous solutions of Worm Like Micelles (awarded 2023)

PhD

Other supervisor: Prof Rhodri Williams
Development of Rheometry for the Characterisation of Rapidly Gelling Strain Sensitive Materials (awarded 2024)

PhD

Other supervisor: Prof Karl Hawkins
IDENTIFICATION OF MICRO- AND SUBMICRON (NANO) PLASTICS IN WATER SOURCES AND THE IMPACT OF COVID-19 ON PLASTIC POLLUTION (awarded 2023)

PhD

Other supervisor: Dr Sarper Sarp
Challenges in optical micro-rheometry for blood clot detection (awarded 2023)

PhD

Other supervisor: Prof Owen Guy

Other supervisor: Prof Kenith Meissner

Other supervisor: Prof Rhodri Williams

Taught Modules

EG-100 Chemical Process Principles

The module provides basic intellectual tools for analysis and design of chemical (and biochemical) processes. The module will cover flows of material and energy to and from a variety of processes and production of complete mass and energy budgets and estimates of process efficiency. Some hazards related to release and exposure to flammable materials in relation to their properties (especially vapour pressure) will be covered. Only a basic level of chemical knowledge is required and the module is suitable for Process Engineering students.
EG-M01 Complex Fluids and Flows

This module considers the rheology of complex fluids. Course content provides an introduction to rheology from basic classifications of non-Newtonian materials to how the material properties affect processing operations. Consideration is given to the influence of product rheology and the manufacturing process, quality control and how this influences performance and end-user perception. Rheological methods for the characterisation of non-Newtonian materials are reviewed and means by which the results of such tests can be used to describe and predict advanced aspects of transport processes involving non-Newtonian fluids are considered. Materials of interest range from simple inelastic time-independent fluids to more complex viscoelastic systems. Measurement techniques considered range from simple shear viscometers to advanced rheometrical techniques for the characterisation of evolving systems (those which are changing with time due to chemical or physical transformation).

Dr Daniel Curtis

Email address

Welsh language proficiency

Research Links

About

Areas Of Expertise

Career Highlights

Publications

Research Highlights

All Research

Journal Articles

Conference Contributions

Supervision

Untitled (current)

Untitled (current)

Untitled (current)

Optical based approaches for the rheological characterisation of blood (current)

Spatiotemporal Instabilities in discontinuous shear thickening fluids (current)

Modelling, characterisation and interpretation of rheological experiments performed on aqueous solutions of Worm Like Micelles (awarded 2023)

Development of Rheometry for the Characterisation of Rapidly Gelling Strain Sensitive Materials (awarded 2024)

IDENTIFICATION OF MICRO- AND SUBMICRON (NANO) PLASTICS IN WATER SOURCES AND THE IMPACT OF COVID-19 ON PLASTIC POLLUTION (awarded 2023)

Challenges in optical micro-rheometry for blood clot detection (awarded 2023)

Taught Modules

EG-100 Chemical Process Principles

EG-M01 Complex Fluids and Flows