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Article

Rizzuto, Francesco and Corney, Jonathan and Dempster, William and Tijsseling, Arris (2024) An improved positive displacement pump model accounting for suction cavitation. Journal of Pressure Vessel Technology, 146 (4). 041404. ISSN 0094-9930

Kyriakou, Faidon and Maclean, Craig and Dempster, William and Nash, David (2020) Efficiently simulating an endograft deployment : a methodology for detailed CFD analyses. Annals of Biomedical Engineering, 48 (10). pp. 2449-2465. ISSN 0090-6964

Kyriakou, Faidon and Dempster, William and Nash, David (2020) Analysing the cross-section of the abdominal aortic aneurysm neck and its effects on stent deployment. Scientific Reports, 10 (1). 4673. ISSN 2045-2322

Zong, Chaoyong and Zheng, Fengjie and Chen, Dianjing and Dempster, William and Song, Xueguan (2020) Computational fluid dynamics analysis of the flow force exerted on the disk of a direct-operated pressure safety valve in energy system. Journal of Pressure Vessel Technology, Transactions of the ASME, 142 (1). 011702. ISSN 0094-9930

Kyriakou, Faidon and Bow, David and Dempster, William and Brodie, Robbie and Nash, David (2020) Evaluation of a new approach for modelling full ring stent bundles with the inclusion of manufacturing strains. Annals of Biomedical Engineering, 48 (1). pp. 144-156. ISSN 0090-6964

Kyriakou, Faidon and Dempster, William and Nash, David (2019) A methodology to quantify the geometrical complexity of the abdominal aortic aneurysm. Scientific Reports, 9. 17379. ISSN 2045-2322

Zheng, Feng Jie and Zong, Chao Yong and Dempster, William and Qu, Fu Zheng and Song, Xue Guan (2019) A multidimensional and multiscale model for pressure analysis in a reservoir-pipe-valve system. Journal of Pressure Vessel Technology, Transactions of the ASME, 141 (5). 051603. ISSN 0094-9930

López, Alejandro and Stickland, Matthew T. and Dempster, William M. (2018) CFD study of fluid flow changes with erosion. Computer Physics Communications, 227. pp. 27-41. ISSN 0010-4655

Zhang, Jian and Yang, Lui and Dempster, William and YU, Xinhai and Jia, Jiuhomg and Tu, Shan-Tung (2018) Prediction of blowdown of a pressure relief valve using response surface methodology and CFD techniques. Applied Thermal Engineering, 133. pp. 713-726. ISSN 1359-4311

Yang, Liu and Wang, Zhoujie and Dempster, William and Yu, Xinhai and Tu, Shan-Tung (2017) Experiments and transient simulation on spring-loaded pressure relief valve under high temperature and high pressure steam conditions. Journal of Loss Prevention in the Process Industries, 45. pp. 133-146. ISSN 0950-4230

Anwar, Ali and Gorash, Yevgen and Dempster, William and Nash, David (2016) Deformed gap space using macro-micro FEA model and transferred into a CFD model. Proceedings in Applied Mathematics and Mechanics, PAMM, 16 (1). 61264. ISSN 1617-7061

Gorash, Yevgen and Dempster, William and Nicholls, William D. and Hamilton, Robert and Anwar, Ali A. (2016) Study of mechanical aspects of leak tightness in a pressure relief valve using advanced FE-analysis. Journal of Loss Prevention in the Process Industries, 43. pp. 61-74. ISSN 0950-4230

López, Alejandro and Nicholls, William and Stickland, Matthew T. and Dempster, William M. (2015) CFD study of jet impingement test erosion using Ansys Fluent® and OpenFoam®. Computer Physics Communications, 197. pp. 88-95. ISSN 0010-4655

Moftah.S. Moftah Alshaikh, M and Dempster, William (2015) A CFD study of two-phase frozen flow of air/water through a safety relief valve. International Journal of Chemical Reactor Engineering, 13 (4). pp. 533-540. ISSN 1542-6580

Anwar, A.A. and Gorash, Y. and Dempster, W. and Hamilton, R. (2015) Literature research in relevant fields to understand pressure relief valve leak tightness in a static closed state. Procedia Engineering, 130. pp. 95-103. ISSN 1877-7058

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2015) A CFD and experimental study on cavitation in positive displacement pump : benefits and drawbacks of the "full" cavitation model. Engineering Applications of Computational Fluid Mechanics, 10 (1). pp. 57-71. ISSN 1994-2060

Gorash, Yevgen and Dempster, William and Nicholls, William D. and Hamilton, Robert (2015) Fluid pressure penetration for advanced FEA of metal-to-metal seals. Proceedings in Applied Mathematics and Mechanics, PAMM, 15 (1). pp. 197-198. ISSN 1617-7061

Iannetti, Aldo and Stickland, Matthew T. and Dempster, William M. (2015) An advanced CFD model to study the effect of non-condensable gas on cavitation in positive displacement pumps. Open Engineering, 5 (1). pp. 323-331. ISSN 2391-5439

Lopez, Alejandro and Stickland, Matthew and Dempster, William (2015) Modeling erosion in a centrifugal pump in an Eulerian-Lagrangian frame using OpenFOAM®. Open Engineering, 5 (1). pp. 274-279.

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2015) A CFD study on the mechanisms which cause cavitation in positive displacement reciprocating pumps. Journal of Hydraulic Engineering, 1 (1). pp. 47-59. ISSN 2332-8215

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2014) A computational fluid dynamics model to evaluate the inlet stroke performance of a positive displacement reciprocating plunger pump. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 228 (5). pp. 574-584. ISSN 0957-6509

Song, Xueguan and Cui, Lei and Cao, Maosen and Cao, Wenping and Park, Youngchul and Dempster, William M. (2014) A CFD analysis of the dynamics of a direct-operated safety relief valve mounted on a pressure vessel. Energy Conversion and Management, 81. pp. 407-419. ISSN 0196-8904

Dempster, William and Elmayyah, Wael (2013) Two phase discharge flow prediction in safety valves. International Journal of Pressure Vessels and Piping, 110. pp. 61-65. ISSN 0308-0161

Elmayyah, Wael and Dempster, William (2013) Prediction of two-phase flow through a safety relief valve. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 227 (1). pp. 42-55. ISSN 0954-4089

Henderson, Emma and Nash, David and Dempster, William (2011) On the experimental testing of fine Nitinol wires for medical devices. Journal of the Mechanical Behavior of Biomedical Materials, 4 (3). pp. 261-268. ISSN 1751-6161

Arebi, Bashir H. and Dempster, W. (2008) Bubble formation at two adjacent submerged orifices in inviscid fluids. Journal of Engineering Research, 10. pp. 33-48. ISSN 2307-1885

Doo, G.H. and Dempster, W.M. and McNaught, J.M., DTI (Funder), EPSRC (Funder), TUVNEL (Funder), Hyprotech UK Ltd (now Aspen Technology Inc.) (Funder) (2008) Improved prediction of shell side heat transfer in horizontal evaporative shell and tube heat exchangers. Heat Transfer Engineering, 29 (12). pp. 999-1007. ISSN 0145-7632

McCummiskey, E. and Dempster, W.M. and Nash, D.H. and Ashton, T.R. and Stevenson, D.G. (2007) The determination and evaluation of Nitinol constitutive models for finite element analysis. Applied Mechanics and Materials, 7-8. pp. 81-88. ISSN 1660-9336

Deans, J. and Neale, J.D. and Dempster, W.M. and Lee, C.K. (2006) The use of effectiveness concepts in the calculations of thermal resistance of parallel plate heat sinks. Heat Transfer Engineering, 27 (5). pp. 56-67. ISSN 0145-7632

Wallace, M.S. and Dempster, W.M. and Scanlon, T.J. and Peters, J. and McCulloch, S. (2004) Prediction of impact erosion in valve geometries. Wear, 256 (9-10). pp. 927-936. ISSN 0043-1648

Doo, G. and McNaught, J.M. and Dempster, W.M. (2004) Shellside evaporation in a TEMA e-shell : flow pattern and transition. Applied Thermal Engineering, 24 (8-9). pp. 1195-1205. ISSN 1359-4311

Stickland, M.T. and Scanlon, T.J. and Vidinha, T. and Langlands, K.C. and Dempster, W.M. and Jaryczewski, R. and Langlands, Kim Corell (2003) The development and application of time resolved PIV at the University of Strathclyde. Experiments in Fluids, 177. pp. 199-207. ISSN 1432-1114

Dempster, W.M. and Arebi, B. (2001) Experimental characteristcs of steam bubble growth at orifices in sub-cooled liquid. International Communications in Heat and Mass Transfer, 28 (4). pp. 467-477. ISSN 0735-1933

Book Section

MacKenzie, Alasdair and Stickland, Matthew and Dempster, William; Miguel Nóbrega, J. and Jasak, Hrvoje, eds. (2019) Development of a combined Euler-Euler Euler-Lagrange slurry model. In: OpenFOAM®. Springer, Cham, Switzerland, pp. 77-91. ISBN 978-3-319-60846-4

Anwar, Ali A. and Gorash, Yevgen and Dempster, William; Naumenko, Konstantin and Aßmus, Marcus, eds. (2016) Application of multiscale approaches to the investigation of sealing surface deformation for the improvement of leak tightness in pressure relief valves. In: Advanced Methods of Continuum Mechanics for Materials and Structures. Advanced Structured Materials, 60 . Springer, Singapore, pp. 493-522. ISBN 9789811009587

Dempster, William and Alshaikh, Moftah; Tu, Shan-Tung and Chen, Xuedong, eds. (2015) An investigation of the two phase flow and force characteristics of a safety valve. In: 14th International Conference on Pressure Vessel Technology (ICPVT-14). Procedia Engineering, 130 . Elsevier Limited, CHN, pp. 77-86. ISBN 9781510816886

MacKenzie, Alasdair and Lopez, A and Ritos, K and Stickland, M T and Dempster, W M; (2015) A comparison of CFD software packages' ability to model a submerged jet. In: The 11th International Conference on CFD in the Minerals and Process Industries. Commonwealth Scientific and Industrial Research Organisation (CSIRO), AUS, pp. 1-4. ISBN 9781486306206

Gorash, Yevgen and Dempster, William and Nicholls, William and Hamilton, Robert; de Hosson, J.Th.M. and Hadfield, M. and Brebbia, C.A., eds. (2015) Modelling of metal-to-metal seals in a pressure relief valve using advanced FE-analysis. In: Surface Effects and Contact Mechanics including Tribology XII. WIT Transactions on Engineering Sciences, 91 . WIT Press, ESP, pp. 247-258. ISBN 978-1-84564-950-0

Dempster, W.M. and Lee, C.K. and Deans, J.; (2006) The prediction of the flow through safety relief valves. In: Proceedings of the ASME International Conference on Pressure Vessels and Piping 2006. ASME. ISBN 0791847551

Phillpot, C. and Dempster, W.M. and Deans, J.; (2004) The condensation of ammonia-water mixtures in a small experimental shell and tube condenser. In: Proceedings of the 4th European Thermal Sciences Conference. Eurotherm.

Dempster, W.M.; Rhodes, Norman, ed. (2001) CFD modelling of two-phase mixing/separation flow. In: Computational Fluid Dynamics in Practice. Wiley-Blackwell.

Dempster, W.M. and Deans, J. and Stickland, M.T.; (2001) Filling the gap: engineering design analysis within a mechanical engineering curriculum. In: Proceedings of the International Conference on Engineering Design, Computer Based Design. John Wiley & Sons. ISBN 1860583547

Deans, J. and Dempster, W.M. and Carter, L.J.; (2001) A thermal imaging procedure for landmine detection. In: Proceedings of the 5th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics. Edizioni ETS.

Stickland, M.T. and Dempster, W. M.; (1999) Comparison of the computed flow field around a bubble growing at an orifice using PIV techniques. In: Proceedings of the Second International Symposium on Two-Phase Flow Modelling and Experimentation. Edizioni ETS, p. 1365. ISBN 88-467-0177-1

Stickland, Matthew and Dempster, William and Lothian, Lee and Oldroyd, Andrew; Paisley, Dennis L. and Frank, Alan M., eds. (1997) Particle image velocimetry studies of bubble growth and detachment by high speed photography. In: 22nd International Congress on High-Speed Photography and Photonics. Proceedings of SPIE, 2869 (300). SPIE, Bellingham, Washington. ISBN 9780819422668

Conference or Workshop Item

MacKenzie, Alasdair and Škurić, Vanja and Stickland, MT and Dempster, WM (2017) A new hybrid slurry CFD model compared with experimental results. In: 12th OpenFOAM® Workshop, 2017-07-24 - 2017-07-27, University of Exeter.

Anwar, Ali A. and Ritos, Konstantinos and Gorash, Yevgen and Dempster, William and Nash, David (2016) Microflow leakage through the clearance of a metal-metal seal. In: ASME Pressure Vessels & Piping Conference 2016, 2016-07-17 - 2016-07-21, Hyatt Regency Vancouver.

MacKenzie, Alasdair and Lopez, Alejandro and Stickland, Matthew and Dempster, William (2016) A combined Euler-Euler Euler-Lagrange slurry model. In: 11th OpenFOAM® Workshop, 2016-06-26 - 2016-06-30.

Anwar, Ali and Gorash, Yevgen and Dempster, William and Hamilton, Robert and Nash, David (2016) Effect of high temperature on structural behaviour of metal-to-metal seal in a pressure relief valve. In: 23rd International Conference on Fluid Sealing 2016, 2016-03-02 - 2016-03-03.

Gorash, Yevgen and Dempster, William and Nicholls, William and Hamilton, Robert (2015) Modelling of metal-to-metal seals in a pressure relief valve using advanced FE analysis. In: 12th International Conference on Computational Methods & Experiments in Surface & Contact Mechanicsc including Tribology, 2015-04-21 - 2015-04-23, TRYP València Oceanic Hotel.

Lopez, Alejandro and Stickland, Matthew and Dempster, William (2014) Modelling erosion in a centrifugal pump in an Eulerian-Lagrangian frame using OpenFOAM®. In: 11th International Symposium on Compressor and Turbine Flow Systems Theory and Application Areas, 2014-10-20 - 2014-10-23.

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2014) An advanced CFD model to study the effect of non-condensable gas on cavitation in positive displacement pumps. In: 11th International Symposium on Compressor and Turbine Flow Systems Theory and Application Areas, 2014-10-20 - 2014-10-23.

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2014) A CFD study on design parameters acting in cavitation of positive displacement pump. In: 12th European Fluid Machinery Congress, 2014-10-06 - 2014-10-07, Caledonian Hilton.

Lopez, Alejandro and Stickland, Matthew and Dempster, William (2014) Comparative study different erosion models in an Eulerian-Lagrangian frame using Open Source software. In: 12th European Fluid Machinery Congress, 2014-10-06 - 2014-10-07, Caledonian Hilton.

Alshaikh, Moftah S. and Dempster, William (2014) A CFD study on two-phase frozen flow of air/water through a safety relief valve. In: 13th International Conference on Multiphase Flow in Industrial Plants, MFIP13, 2014-09-16 - 2014-09-19, Genoa.

Iannetti, Aldo and Stickland, Matthew and Dempster, William (2014) An investigation of the performance of a positive displacement reciprocating pump at low pressure NPSH incorporating a three phase cavitation model. In: 11th World Congress on Computational Mechanics, WCCMXI, 2014-07-20 - 2014-07-25, The Palace of Congresses of Catalonia.

Dempster, William and Elmayyah, Wael (2012) Two-phase discharge flow prediction in safety valves. In: 13th International Conference on Pressure Vessel Technology, 2012-05-20 - 2012-05-23.

Kummert, M. and Dempster, W.M. and McLean, Kenneth (2009) Transient thermal analysis of a data centre cooling system under fault conditions. In: 11th International Building Performance Simulation association Conference and Exhibition, Building Simulation 2009, 2009-07-27 - 2009-07-30. (Unpublished)

Dempster, W.M. and Elmayyah, W. (2008) A computational fluid dynamics evaluation of a pneumatic safety relief valve. In: 13th International Conference on Applied Mechanics and Mechanical Engineering (AMME-13), 2008-05-27 - 2008-05-29.

McCummiskey, E. and Dempster, W.M. and Nash, D.H. and Ashton, T.R. and Stevenson, D.G. (2008) Modelling a Nitinol device for the repair of abdominal aortic aneurysms. In: Proceedings of the ASM International Conference on Shape Memory and Superelastic Technologies, 2006-05-07 - 2006-05-11.

McCummiskey, E. and Dempster, W.M. and Nash, D.H. (2007) The effect of variance in input parameters for Nitinol constitutive models in FE analysis. In: International Conference on Shape Memory and Superelastic Technologies, 2007-12-03 - 2007-12-05. (Unpublished)

McCummiskey, E. and Dempster, W.M. and Nash, D.H. and Ashton, T.R. and Stevenson, D.G. (2006) Using finite element analysis to model the behaviour of an endovascular device - Poster Presentation. In: Proceedings of the UK Society for Biomaterials Conference, 2006-06-21 - 2006-06-22.

McCummiskey, E. and Dempster, W.M. and Nash, D.H. and Ashton, T.R. and Stevenson, D.G. (2006) Development of a finite element model to analyse the proximal ring of an endovascular device. In: 2006 International ANSYS Conference, 2006-05-02 - 2006-05-04.

McCummiskey, E. and Dempster, W.M. and Nash, D.H. and Ashton, T.R. and Stevenson, D.G. (2005) Development of a preliminary finite element model to analyse the proximal ring of an endovascular device. In: UK ANSYS User Conference 2005, 2005-11-15 - 2005-11-16.

Tanimura, K. and Ujihashi, Sadayuki and Nash, David and Dempster, William (2004) Finite element analysis of the radial force cariation of a ring stent. In: JSME Mechanical Engineering Congress 2004, 2004-09-10 - 2004-09-11.

Dempster, W.M. and Wheel, M. (2002) Engineering analysis: a pre-requisite for design. In: 2002 ASEE Annual Conference and Exposition, 2002-06-16 - 2002-06-19.

Wheel, M. and Dempster, W.M. (2002) Teaching engineering analysis within an interactive studio teaching environment. In: 3rd Global Congress on Engineering Education, 2002-06-30 - 2002-07-05.

Boyle, J.T. and Hamilton, R. and Dempster, W.M. and Nicol, D.J. (2002) Experience with classroom feedback systems to enable Socratic dialogue in large engineering classes. In: 2nd Annual Symposium on Engineering Education, 2002-01-01.

Dempster, W.M. and Lee, C.K. and Boyle, J.T. (2002) Teaching of thermodynamics and fluid mechanics using interactive learning methods in large classes. In: ASEE Annual Conference and Exposition: Vive L'ingenieur, 2002-06-16 - 2002-06-19.

Boyle, J.T. and Hamilton, R. and Dempster, W.M. (2001) Approaches to teaching and learning in engineering education (NATALIE) project. In: International Colloquium: Global Changes in Engineering Education, Proceedings of Ed-Media 2001 World Conference on Education Multi Media, 2001-10-01.

Boyle, J.T. and Hamilton, R. and Dempster, W.M. and Nicol, D.J. (2001) The use of classroom feedback systems to enable active learning in large engineering mechanics classes. In: International Conference on Engineering Education 2001, 2001-08-06 - 2001-08-10.

Dempster, W.M. and Stickland, M.T. and Vidinha, T. (2001) Liquid velocity field measurements during bubble formation and detachment at an orifice. In: UK/Japan Seminar on Multiphase Flow, 2000-02-29.

Vidinha, T. and Dempster, W.M. and Stickland, M.T. (2001) Liquid velocity field measurements during bubble formation and detachment at an orifice. In: 9th International Conference on Laser Anemometry, 2001-09-12 - 2001-09-14.

Report

Kummert, M. and Dempster, W.M. (2007) Norwich Union Data Centre 3 - Transient thermal analysis of the chilled water hydraulic network and the impact of chilled water temperature disturbances on the IT environment. Norwich Union.

Patent

Brodie, Robbie (2014) Computer-implemented method of simulating performance of e.g. endovascular stent-graft, involves partitioning model such that material models simulate material behaviour in units of object model of super elastic tension and compression. WO 2014184591-A1 WOGB 051533.