Dr. Craig Meskell
Associate Professor, Mechanical, Manuf & Biomedical Eng
Biography
Dr. Craig Meskell is an Associate Professor in the Department of Mechanical and Manufacturing Engineering in Trinity College, Dublin. His primary degree is in Aeronautical Engineering from QUB. He earned his PhD for work on flow-induced vibration in heat exchanger tube bundles. He has also been a Visiting Professor at McMaster University. His technical expertise is in the area of unsteady fluid mechanics, especially when coupled with noise, vibration or structural interaction. He has worked on a wide range of application, often in the area of power generating and energy conversion applications.
Recent and ongoing projects include: flow-induced vibration in nuclear steam generators; flow-induced noise in gas heat exchangers; analysis of wave energy conversion devices; modelling of flow-induced vibration in wind turbines; and energy efficiency through optimized compressed air use in industrial scale manufacturing sites; bridge aerodynamics.
Support for his work on energy devices has come from SFI, IRCSET, EI, HEA, SEAI, as well as through industry collaboration.
Publications and Further Research Outputs
Peer-Reviewed Publications
Bellec, Morgane, Gibson, Lee, Meskell, Craig, Performance of a Closed Cycle Power Takeoff for a Shore-Based Wave Energy Device, Applied Sciences, 13, (11), 2023, p6377
Alessia Sgobba, Craig Meskell, Impact of Combined Heat and Power on the goal of decarbonizing energy use in Irish manufacturing, Journal of Cleaner Production, 278, 2021, p123325
Morgane Bellec, Ciara Gurhy, Lee Gibson & Craig Meskell, PERFORMANCE OF A CLOSED CYCLE POWER TAKE OFF FOR MUTRIKU BREAKWATER, The 12th International Conference on Flow-Induced Vibration., Paris-Saclay, 5-8 July 2022, edited by L. Zimmer , 2022, pp219 - 226
Keogh,Daniel B., Meskell, Craig, Bi-stable flow in parallel triangular tube arrays with a pitch-to-diameter ratio of 1.375, Nuclear Engineering and Design, 285, 2015, p98 - 108
Breakey, D., Meskell, C., Comparison of metrics for the evaluation of similarity in acoustic pressure signals, Journal of Sound and Vibration, 332, (15), 2013, p3605-3609
Pellegrino, A., Meskell, C., Vortex shedding from a wind turbine blade section at high angles of attack, Journal of Wind Engineering and Industrial Aerodynamics, 121, 2013, p131-137
Kevin R. Tarrant & Craig Meskell, Assessment of the parametric roll behaviour of a point absorber wave energy conversion device in irregular waves., VII International Conference on Computational Methods in Marine Engineering, Nantes, France, 15-17 May, 2017, edited by Michel Visonneau, Patrick Queutey and David Le Touzé , 2017, pp732 - 642
Breakey, D.E.S., Fitzpatrick, J.A., Meskell, C., Aeroacoustic source analysis using time-resolved PIV in a free jet, Experiments in Fluids, 54, (5), 2013
Mahon, J., Meskell, C., Estimation of the time delay associated with damping controlled fluidelastic instability in a normal triangular tube array, Journal of Pressure Vessel Technology, Transactions of the ASME, 135, (3), 2013
P. Eret, C. Harris, G. O'Donnell, C. Meskell, A practical approach to investigating energy consumption of industrial compressed air systems, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 226, (1), 2012, p28 - 36
John Mahon & Craig meskell, Surface pressure survey in a parallel triangular tube array, Journal of Fluids and Structures, 2012, p15
Petr Eret and Craig Meskell, Microphone Arrays as a Leakage Detection Tool in Industrial Compressed Air Systems, Advances in Acoustics and Vibration, 2012, 2012, p10 pages
C. Meskell, A Decrement Method for Quantifying Nonlinear and Linear Damping in Multidegree of Freedom Systems, ISRN Mechanical Engineering, 2011 (2011), (659484), 2011
Finnegan, SL, Meskell, C, Ziada, S, Experimental Investigation of the Acoustic Power Around Two Tandem Cylinders, JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME, 132, 2010
Mahon, J & Meskell, C., Interaction between acoustic resonance and fluidelastic instability in a normal triangular tube array, Journal of Pressure Vessel Technology, Transactions of the ASME, 131, 2009, p0113031-0113037
Mahon, J., Meskell, C., Surface pressure distribution survey in normal triangular tube arrays , Journal of Fluids and Structures, 25, (8), 2009, p1348-1368
Meskell, C., A new model for damping controlled fluidelastic instability in heat exchanger tube arrays , Proc. IMechE Part A: Journal of Power and Energy, 223, (4), 2009, p361-368
Mahon, J., Meskell, C., Investigation of the underlying cause of the interaction between acoustic resonance and fluidelastic instability in normal triangular tube arrays , Journal of Sound and Vibration, 324, (1-2), 2009, p91-106
P Eret & C Meskell, A practical approach to parameter identification for a lightly damped, weakly nonlinear system, Journal of Sound and Vibration, 310, 2008, p829 - 844
Craig Meskell, A decrement method for quantifying nonlinear and linear, Journal of Sound and Vibration, 296, 2006, p643 - 649
Meskell,C., Fitzpatrick,J.A., Investigation of the Nonlinear Behaviour of Damping Controlled Fluid-elastic Instability in a Normal Triangular Tube Array, Journal of Fluids & Structures, 18, (5), 2003, p573 - 593
J. Keays and C. Meskell, A study of the behaviour of a single-bladed waste-water pump, Journal of Process Mechanical Engineering, 220, (2), 2006, p79 - 87
Jordan P, Fitzpatrick JA, Meskell C, Beampattern control of a microphone array to minimize secondary source contamination, Journal of the Acoustical Society of America, 114, (4), 2003, p1920 - 1925
Sweeney C, Meskell C, Fast numerical simulation of vortex shedding in tube arrays using a discrete vortex method, Journal of Fluids and Structures , 18, (5), 2003, p501 - 512
Meskell, C., FItzpatrick, J.A.,, Errors in Parameter Estimates from the Force State Mapping Technique for Free Response due to Phase Distortion, Journal of Sound and Vibration, 252 , (5), 2002, p967-974
Meskell, C., Fitzpatrick, J. and Rice, H., Application of force-state mapping to a non-linear fluid-elastic system, Mechanical Systems and Signal Processing, 15, (1), 2001, p75 - 85
C. Meskell & G. Bennett (Eds), Flow-Induced Vibration, Dublin, ISBN 978-0-9548583-4-6, 2012, 768pp
Gillen S. & C. Meskell , Surface pressure distribution in normal triangular tube arrays, Flow-Induced Vibration FIV2008, edited by Zolotarev & Horacek , 2008
J. Mahon, P. Cheeran & C. Meskell, Spanwise correlation of surface pressure fluctuations in heat exchanger tube arrays, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 3, 2010, pp533 - 542
S.L. Finnegan, C. Meskell & P. Oshkai, Aeroacoustic source distribution around four cylinders orientated in a square, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 3, 2010, pp735 - 744
S.L. Finnegan, P. Oshkai & C. Meskell, Experimental Methodology for Aeroacoustic Source Localisation in Ducted Flows with Complex Geometry, 16th AIAA/CEAS Aeroacoustics Conference 2010, 31st AIAA Aeroacoustics Conference, 2010, 2010, pp1157 - 1169
Paduano, C., Meskell, C., Numerical investigation of reynolds number effects on lock in ability of an aeroacoustic field in ducted flows , 18th AIAA/CEAS Aeroacoustics Conference (33rd AIAA Aeroacoustics Conference), Colorado, USA, June 2012, 2012, pp97939
Shane L. Finnegan & Craig Meskell , EXPERIMENTAL INVESTIGATION OF THE ACOUSTIC SOURCE LOCATION IN AN INLINE TUBE BUNDLE SUBJECT TO CROSS FLOW., The 14th International Topical Meeting on Nuclear Reactor Thermalhydraulics, NURETH-14, Toronto, Ontario, Canada, 25-30 Sept , 2011
J. Mahon & C. Meskell, A validation database for flow in a parallel triangular heat exchanger tube array, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 1, 2010, pp2237 - 2246
E. Reyes, S. Finnegan & C. Meskell, Simulation of flow-induced acoustic resonance of bluff bodies in duct flow, American Society of Mechanical Engineers, Fluid Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 3, 2010, pp805 - 813
C. Meskell, G. O'Donnell, P. Eret, C. Harris, T. De Lasa & T. Whelan, Industrial compressed air use - Two case studies, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 1, 2010, pp1 - 7
S.L. Finnegan, C. Meskell & S. Ziada, The effect of sound pressure on the aeroacoustic sources around two ducted tandem cylinders, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Metting Collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels, FEDSM2010, 2010, 3, 2010, pp723 - 733
J. Mahon & C. Meskell, Measurement of the time delay associated with fluid damping controlled instability in a normal triangular tube array, American Society of Mechanical Engineers, Fluids Engineering Division FEDSM, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting Collocated with 8th International Conference on Nanochannels, Microchannels and Minichannels, FEDSM2010, 2010, 3, 2010, pp553 - 563
A practical approach to non-linear parameter estimation in aeroelastic systems in, editor(s)Richard Matas , Modelovani a mereni nelinearnich jevu v mechanice, Pilsen, Vedeckotechnicka spolecnost SKODA, 2006, pp147 - 162, [Craig Meskell]
B. Selent and C. Meskell, Numerical simulation of vortex shedding in normal triangular tube arra, ASME Pressure Vessels and Piping Division Conference, Vancouver, BC, 23-27 July, edited by M.P.P. Paidoussis , ASME, 2006, ppPVP2006-ICPVT11-93876
Meskell,C., Fitzpatrick,J.A., A Non-linear Model for Damping Controlled Fluidelastic Instability, Proc. 3rd Int. Conf. Engineering Aero-Hydro Elasticity, Prague, 1999, pp292 - 297
Sweeney,C., Meskell,C., Discrete vortex method using a cloud-in-element technique, Proc. 4th Euromech Fluid Mechanics Conference, Eindhoven, 2000, pp270
Keays, J., Meskell, C., Numerical Simulation of a Single Blade Centrifugal Waste Water Pump, Proc. 4th Euromech Fluid Mechanics Conference, Eindhoven, 2000, pp264
Meskell, C., A parameter identification procedure for systems with weak non-linear damping forces, Proc. ISMA25, Int. Conf. on Noise and Vibration Engineering, Leuven, 2000, pp679 - 685
Sweeney,C., Meskell,C., Numerical simulation of vortex shedding in tube arrays, Proceedings of IMECE2002 ASME International Mechanical Engineering Congress, IMECE2002 ASME International Mechanical Engineering Congress, New Orleans, 17-22 November, edited by Paidoussis M.P. , 253, (1), 2002
Meskell, C. & J. Keays , A numerical study of the behaviour of a single bladed waste water pump, HEFAT 2004, 3rd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , edited by J.P. Meyer , 2004
C. Meskell, Numerical estimation of fluid force coefficients in a normal triangular tube array, Flow-Induced Vibrations FIV2004, edited by E. de Lange & F. Axisa , 2004, pp111 - 116
C. Meskell, A decrement method for quantifying non-linear and linear damping, Pressure Vessels and Piping Division, ASME Pressure Vessels and Piping Division Conference, Denver, 17-21 July, edited by K. Fujita , ASME, 2005, pp265-270
C. Meskell, On the underlying fluid mechanics responsible for damping controlled fuidelastic instability in tube arrays, ASME Pressure Vessels and Piping Division Conference, Denver, edited by M. Pettigrew, N. Mureithi & S. Price , ASME, 2005, pp573-581
C. Meskell, A simple wake model for damping controlled fluidelastic damping, 20th Canadian Congress of Applied Mechanics, CANCAM2005, 2005, pp302
B. Selent & C. Meskell, Towards the numerical simulation of acoustic and flow field interactions in flows over bluff bodies, 20th Canadian Congress of Applied Mechanics, CANCAM2005, edited by M. Ostoja-Starzewski , 2005, pp341
Jordan,P. Fitzpatrick,J.A., Meskell,C., Array Beampattern Control for Measurement of Propeller Noise, 7th AIAA/CEAS Aeroacoustics Conference, 2001, ppPaper 2001-2165
Meskell,C. & Fitzpatrick,J.A., Validation of Non-Linear Models for Flow Structure Interaction, 6th International conference on flow-induced vibrations, edited by P.W. Bearman , Balkema, 1995, pp545-555
D. Cox & C. Meskell, Simulation of a starting jet flow using a 3D vortex method, 20th Canadian Congress of Applied Mechanics, CANCAM2005, edited by M. Ostoja-Starzewski , 2005, pp282
Meskell,C., Fitzpatrick,J.A., Parameter Identification in a System with both Linear and Coulomb Damping, Modern Practice in Stress & Vibration Analysis, edited by M.Gilchrist , Balkema, 1997, pp51 - 56
Toal, Vincent; Rice, Henry; Meskell, Craig; Armstrong, Carol; Bowe, Brian , Evaluation of high frequency vibrations using electronic speckle pattern interferometry, Proceedings of SPIE - The International Society for Optical Engineering, Opto-Ireland 2002: Optics and Photonics Technologies and Applications , Galway, Ireland, 5 September, edited by Glynn T.J. , 4876, (2), 2002, pp1054-1063
Meskell,C. & Fitzpatrick,J.A., Identification of Linearised Parameters for Fluidelastic Instability, 4th International symposium on fluid-structure interactions, aeroelasticity, flow-induced vibration and noise, edited by M.P. Paidoussis et al. , ASME, 1997, pp319 - 324
E. Murphy, H.J. Rice, C. Meskell, Environmental Noise Prediction, Noise Mapping and GIS Integration: the case of inner Dublin, Ireland, 8th International Symposium on Transport Noise and Vibration, St. Petersburg, Russia, June 2006, 2006
J. Mahon and C. Meskell, Coupling between acoustic resonance and fluidelastic instability in normal triangular tube arrays, ASME Pressure Vessels and Piping Division Conference, Vancouver, BC, 23 -26 July, edited by M.P.P. Paidoussis , 9, ASME, 2006, pp521 - 529
C.Meskell and P. Eret, Estimation of non-linear damping parameters in a normal triangular array subject to fluidelastic instability. , American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, ASME Pressure Vessels and Piping Division Conference, Vancouver, BC, 23-27 July, edited by M.P.P. Paidoussis , 9, ASME, 2006, pp665-670
C. Meskell, A decrement method for quantifying nonlinear and linear damping in multi-degree of freedom systems., ASME Pressure Vessels and Piping Division Conference, Vancouver, BC, edited by K. Fujita , ASME, 2006, ppPVP2006-ICPVT11-93312
Finnegan, S., C. Meskell & S. Ziada, Experimental investigation of the aeroacoustic sources in a tandem cylinder configuration, ASME Pressure Vessels and Piping Division Conference , Prague, 26-30 July, ASME, 2009, 399 - 408
S. Gillen & C. Meskell , Numerical analysis of fluidelastic instability in a normal triangular tube array, ASME 2009 Pressure Vessels and Piping Conference (PVP2009) , Volume 4: FSI, 2010, pp447 - 455
Harel J., C. Meskell, , Applicability of the Wavy-Wall Model of Fluidelastic Instability to a Normal Triangular Tube Array , ASME Pressure Vessels and Piping Division Conference, ASME Pressure Vessels and Piping Division Conference,, Chicago, July 27-31, 4, ASME, 2008, pp215-220
Mahon J., C. Meskell, Towards a validation database for simulation of fluidelastic instability in normal triangular tube arrays, Conference Proceedings ASME 2008 Pressure Vessels and Piping Conference , ASME Pressure Vessels and Piping Division Conference, Chicago, July 27-31, 4, ASME , 2008, pp259-266
Gillen S. & C. Meskell , Effect of Acoustic resonance on fluidelastic instability in normal triangular tube arrays, Flow-Induced Vibration FIV2008, edited by Zolotarev & Horacek , 2008
Gillen S. & C. Meskell , Variation of fluidelastic critical velocity with mass ratio and Reynolds number in a densely packed normal triangular tube array., Flow-Induced Vibration FIV2008, edited by Zolotarev & Horacek , 2008, pp193-200
P.Eret, C.Harris, T. DeLasa, C.Meskell, G.E. O'Donnell, Industrial Compressed Air Usage - Two case studies, 7th International Fluid Power Conference, Aachen, Germany, 22-24 March, edited by H. Murrenhoff , 2010, pp355 - 366
P.Eret, C.Harris, C.Meskell, G.E. O'Donnell, Combined Heat and Air Generation - A Technical Study, 7th International Fluid Power Conference, Aachen, Germany, 22-24 March, edited by H. Murrenhoff , 2010, pp235 - 245
Compressed air leak detetcion using microphone array techniques in, editor(s)D. A. Dornfeld & B. S. Linke , Leveraging Technology for a sustainable world, Springer-Verlag, 2012, pp347 - 352, [P. Eret & C. Meskell]
Gareth J. Bennett, John Kennedy, Craig Meskell, Michael Carley, Peter Jordan, Henry Rice, Aeroacoustics research in Europe: The CEAS-ASC report on 2013 highlights, Journal of Sound and Vibration, 340, 2015, p39 - 60
Meskell, C, Finnegan, SL, Aeroacoustic Source Distribution in an Inline Tube Array With a Pitch Ratio of 3, JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME, 136, (5), 2014
Pellegrino,Alberto A., Meskell,Craig C., Vortex shedding lock-in due to stream-wise oscillation of A 2-D wind turbine blade section at high angles of attack, 4, 2014
Keogh,Daniel B. D.B., Meskell,Craig C., BI-stable flow in parallel triangular tube arrays with a pitch-to-diameter ratio of 1.375, 4, 2014
Tarrant,Kevin R. K.R., Meskell,Craig C., Investigation on parametrically excited motions of point absorbers in regular waves, ASME Pressure vessel and Piping, Anahiem, California, 4, ASME, 2014
Kevin Tarrant, Craig Meskell, Investigation on parametrically excited motions of point absorbers in regular waves., Ocean Engineering, 111, 2016, p67 - 81
Mahon, J., Meskell, C., Towards a validation database for simulation of fluidelastic instability in normal triangular heat exchanger tube arrays, American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, 4, 2008, p259-266
de Pedro, B., Parrondo, J., Meskell, C., Oro, J.F., CFD modelling of the cross-flow through normal triangular tube arrays with one tube undergoing forced vibrations or fluidelastic instability, Journal of Fluids and Structures, 64, 2016, p67-86
de Pedro Palomar, B., Meskell, C., Sensitivity of the damping controlled fluidelastic instability threshold to mass ratio, pitch ratio and Reynolds number in normal triangular arrays, Nuclear Engineering and Design, 331, 2018, p32-40
Breakey, D.E.S., Fitzpatrick, J.A., Meskell, C., Aeroacoustic source analysis using time-resolved PIV in a free jet This article is part of the Topical Collection on Application of Laser Techniques to Fluid Mechanics 2012, Experiments in Fluids, 54, (5), 2013
Harris, P. and Nolan, S. and O'Donnell, G.E. and Meskell, C., Optimising compressed air system energy efficiency - The role of flow metering and exergy analysis, 2013, pp129-134
Sgobba, A., Meskell, C., On-site renewable electricity production and self consumption for manufacturing industry in Ireland: Sensitivity to techno-economic conditions, Journal of Cleaner Production, 207, 2019, p894-907
Meskell, C. and Pellegrino, A., Vortex shedding lock-in due to pitching oscillation of a wind turbine blade section at high angles of attack, International Journal of Aerospace Engineering, 2019, (6919505), 2019
Alessia Sgobba, Craig Meskell, Giampaolo Manzolini, On-site energy generation in the manufacturing industry: effects on the variability of the net electricity demand, CIRED - open access proceedings journal., 2020, 2020, p717 - 720
Federico Caruso, Craig Meskell, Effect of the axial gap on the energy consumption of a single-blade wastewater pump, Proc IMechE Part A: J Power and Energy, 235, (3), 2021, p432 - 439
Non-Peer-Reviewed Publications
C. Meskell & D. Cox, A three dimensional particle-in-cell solver, Euromech Colloquim 454 LES,CVS and vortex methods, 14-16 April, edited by K. Schneider, M. Farge, and J. Ferziger , 2004
Cox, D. & Meskell, On a three dimensional vortex particle method for modelling complex flows., 6th Annual Sir Bernard Crossland Symposium, IEI, 2003, pp116
Sweeney, C & Meskell, C., vortex method using a cloud-in-element technique, 4th Annual Sir Bernard Crossland Symposium, IEI, 2000, pp162-
Meskell, C. , Frequency analysis in non-linear systems, Frekvensanalys, SVIB, 1997, pp20
Southern, R. & Meskell, C. , Preliminary Application of Principal Component Analysis to a Microchip Test Process for Mixed Signal/Radio Frequency Components, Advances in Process Analytics and Control Technology, CPACT, 2003
W. Chaiworapuek, H.R. Rice, C.Meskell, C. O'Reilly, Numerical simualtion of a subsonic coaxial round jet, Joint Conference of The Association for Compuational Mechanics in Engineering and The Irish Society for Scientific and Engineering Computation, Belfast, April 2006, edited by Cecil G. Armstrong , Queen's University Belfast, 2006, pp63 - 66
C. Meskell and B. Selent, Numerical Simulation of Vortex Shedding in Normal Triangular Tube Arrays, Joint Conference of The Association for Compuational Mechanics in Engineering and The Irish Society for Scientific and Engineering Computation, Belfast, April 2006, edited by Cecil G. Armstrong , Queen's University Belfast, 2006, pp67 - 70
R.A.K. Sanches, C. Meskell, Numerical Evaluation of Force Coefficients for Analysis of Flow Induced Vibration in Tube Arrays, Joint Conference of The Association for Compuational Mechanics in Engineering and The Irish Society for Scientific and Engineering Computation, Belfast, April 2006, edited by Cecil G. Armstrong , Queen's University Belfast, 2006, pp79 - 82
G.E. O Donnell, C. Meskell, S. Nolan, Technology Innovation for Irish Manufacturing and Energy Competitiveness, 2012
Research Expertise
Description
Unsteady fluid mechanics in power generation applications; Energy Efficiency in Manufacturing; Fluid induced vibration and noise; fluid mechanics.Projects
- Title
- Modelling acoustic resonance in heat exchangers
- Summary
- Heat exchangers can exhibit periodic vortex shedding. If the fluid is gas flow, then the vortex shedding may excite an acoustic duct mode and hence cause acoustic resonance. The acoustic sources are distributed and diffuse. The onset, and lock-in behaviour depends on the non-linear interaction between the (linear) acoustic field and the fluid dynamics. This project uses unsteady CFD to investigate the spatial and temporal distribution of acoustic sources.
- Date From
- Oct 2010
- Date To
- Sept 2014
- Title
- System Identification for a wave energy conversion devices
- Summary
- The dynamics a self reacting wave energy converter, especially as it exhibits parametric roll/pitch, are modelled using a non-linear panel method. The response obtained is used to identify a simplified 7 degree of freedom lumped parameter model.
- Funding Agency
- Wavebob and IRCSET
- Date From
- Oct 2010
- Date To
- Sept 2014
- Title
- Flow-induced vibration of nuclear steam generators
- Summary
- Nuclear power plant depends on large heat exchangers, called steam generators, to transfer the heat from the reactor to steam, so that electricity can be generated at the turbines. These steam generators are effective bundles of long, thin (and hence flexible) tubes subject to flow perpendicular to their axes. This gives rise to the possibility of flow-induced vibration. In this project we are investigating a recently discovered phenomenon in tube arrays, called bi-stable flow. We are focussing on a tube bundle arrange in a parallel triangular array pattern with a pitch ratio of 1.375 as this is typical of what is used in CANDU reactors.
- Funding Agency
- HEA
- Date From
- Oct 2011
- Date To
- Sept 2015
- Title
- Investigation of flow-induced vibration of horizontal axis wind turbines
- Summary
- Industrial scale wind turbines must be able to withstand occasional extreme winds. This includes gusts which cause a rapid change in wind direction. This will mean that the blades are now are very high, even reflexive, angles of incidence to the flow, and so may be considered as bluff bodies, rather than streamlined lifting surfaces. In this project, we investigate the possibility of wind turbine blade sections experiencing vortex shedding, and vortex shedding lock-in due to structural motion, at high angles of attack. The simulated data is used to obtain a simple non-linear wake model which is coupled to the motion of the structure.
- Funding Agency
- EU
- Date From
- Oct 2010
- Date To
- Sept 2014