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Publications

Publications



Papers In Refereed Journals and Books

  • Gelat, P., Yang, J., Akani, O. THOMAS, P.J. , Hutchins, D., Harput, S., Freear, S., Saffari, N. (2017) "The dynamic excitation of a granular chain: Contact mechanics finite element analysis and experimental validation". J. Acoust. Soc. Am. 141 , 4240-4248 PDF .
  • Wang, W., THOMAS, P.J. (2017) "Low-frequency active noise control of an underwater large-scale structure with giant magnetostrictive actuators". Sensors and Actuators A : Physical 263 , 113-121 PDF .
  • Wang, W., THOMAS, P.J. , Wang T.(2017) "A frequency-response-based method of sound velocity measurement in an impedance tube". Meas. Sci. Tech. 28 , 045007 PDF .
  • Ozkan, M., THOMAS, P.J. , Cooper, A.J., Garrett, S.J.(2017) "Comparison of the effects of surface roughness and confinement on rotor-stator cavity flow". Eng. Appl. Comp. Fluid Mech. 11 , 142-158 PDF .
  • Akanji O., Yang, J., Hutchins, D.A., THOMAS, P.J. , Davis, L.A.J., Harput, S. Freear, S., Gelat, P., Saffari, N. (2016) "The effect of boundary conditions on resonant ultrasonic spherical chains". IEEE Trans. Ultrasonics, Ferroelectrics, and Frequency Control 63 , 1957-1965 PDF .
  • Yang, J., Hutchins, D.A., Akani, O. THOMAS, P.J. , Davis, L.A.J., Harput, S. Gelat, P., Freear, S., Saffari, N. (2016) "Analysis of solitary wave impulses in granular chins using ultrasonic excitation". Phys. Rev. E 93 , 063002 PDF .
  • Tan, Benedict C.-W., Vlaskamp, J.H.A., Denissenko, P., THOMAS, P.J. (2016) "Cavity formation in the wake of falling spheres submerging into a stratified two-layer system of immiscible liquids". J. Fluid Mech. 790 , 33-56 PDF .
  • Garrett, S.J., Cooper, A.J., Harris, J.H., Ozkan, M., Segalini, A. THOMAS, P.J. (2016) "On the stability of von Karman rotating-disk boundary layers with radial anisotropic roughness". Phys. Fluids 28 , 014104 PDF .
  • Hutchins, D.A., Yang, J., Akanji, O., THOMAS, P.J. , Davis, L.A.J., Freear, S., Harput, S., Saffari, N. Gelat, P. (2016) "Ultrasonic propagation in finite-length granular chains". Ultrasonics 69 , 215-233 PDF .
  • Hutchins, D.A., Yang, J., THOMAS, P.J. , Akanji, O., Davis, L.A.J., Gelat, P., Harput, S., Freear, S. (2015) "Generation of impulses from single frequency inputs using non-linear propagation in spherical chains". Physics Procedia 70 , pp. 131-134 PDF .
  • Hutchins, D.A., Yang, J., Akanji, O., THOMAS, P.J. , Davis, L.A.J., Freear, S., Harput, S., Saffari, N. Gelat, P. (2015) "Evolution of ultrasonic impulses in chains of spheres using resonant excitation". Europhys. Lett. 109 , 54002 PDF .
  • Gelat, P., Yang, J., THOMAS, P.J. , Hutchins, D.A., Akanji, O., Davis, L.A.J., Freear, S., Harput, S., Saffari, N. (2016) "The dynamic rxcitation of a granular chain for biomedical ultrasound applications: contact mechanics finite element analysis and validation". J. Phys: Conf. Ser. 684 , 012005 PDF .
  • Bishop, A.C., THOMAS, P.J. , Denissenko, P. (2015) "Surfactant concentration and its effect on the flow field inside an oil droplet rising in an aqueous medium: LIF and PIV measurements". Trans. on Eng. Sci. 89 , 463-472 PDF .
  • Cooper, A.J., Harris, J.H., Garrett, S.J., Ozkan, M., THOMAS, P.J. (2015) "The effect of anisotropic and isotropic roughness on the convective stability of the rotating disk boundary layer". Phys. Fluids 27 , 014107 PDF .
  • Denissenko, P., Guyez, E., THOMAS, P.J. , Parker, D.J., Seville, J.P.K. (2014) "Positron emission tracking of individual particles in particle-laden rimming flow". Phys. Fluids 26 , 053304 PDF .
  • Warnett, J.M., Denissenko, P., THOMAS, P.J. , Williams, M.A. (2014) "Collapse of a granular column under rotation". Powder Tech. 262 , 249-256 PDF .
  • Warnett, J.M., Denissenko, P., THOMAS, P.J. , Kiraci, E., Williams, M.A. (2014) "Scalings of axisymmetric granular column collapse". Gran. Matt. 16 , 115-124 PDF .
  • Murai, Y., Vlaskamp, J.H.A., Nambu, Y., Yoshimoto, T., Brend, M.A., Denissenko, P., THOMAS, P.J. (2013) "Off-axis PTV for 3-D visualization of rotating columnar flows". Exp. Therm. Fluid Sci. 51 , 342-353 PDF .
  • Harris, J.H., THOMAS, P.J. , Garrett, S.J., (2012) "On the stability of flows over rough rotating disks". AIAA paper 2012-3075, PDF .
  • Seiden, G., THOMAS, P.J. (2011) "Complexity and pattern formation in rotating-drum flows". Rev. Mod. Phys. 83 , 1323-1365 PDF .
  • Gregorio, S.O., Haidvogel, D.B., THOMAS, P.J. , Taskinoglu, E.S., Skeen J. (2011) "Laboratory and numerical simulations of gravity-driven coastal currents: Departures from geostrophic theory". Dyn. Atmos. Oceans 52 , 20-50 PDF .
  • Hidekazu, K., Murai, Y., Takeda, Y. THOMAS, P.J. (2010) "Velocity vector field measurement of vortex rings using UVP" (in Japanese). Trans. Japan Soc. Mech. Eng. 76(12) , 149-157, PDF .
  • THOMAS, P.J. , Linden, P.F. (2010) "Laboratory modelling of the effects of temporal changes of estuarine-fresh-water discharge rates on the propagation speed of oceanographic coastal currents". J. Fluid Mech. 664 , 337-347, PDF .
  • Pedchenko, A., Molokov, S., Priede, J., Lukyanov, A. , THOMAS, P.J. (2009) "Experimental model of the interfacial instability in aluminium reduction cells". Euro. Phys. Lett. , 88 , 24001, PDF .
  • Brend, M.A. , THOMAS, P.J. (2009) "Decay of vortex rings in a rotating fluid". Phys. Fluids , 21 , 044105, PDF .
  • Guyez, E. , THOMAS, P.J. (2009) "Effects of Particle Properties on Segregation-Pattern Drift in Particle-Laden Rimming Flow". Phys. Fluids , 21 , 033301, PDF .
  • Guyez, E. , THOMAS, P.J. (2008) "Spatio-Temporal Segregation-Pattern Drift in Particle-Laden Rimming Flow". Phys. Rev. Lett. 100 , 074501, PDF .
  • Zoueshtiagh, F. , THOMAS, P.J. , Thomy, V., Merlen, A. (2008) "Micrometric Ripple Patterns in a Capillary Tube". Phys. Rev. Lett. 100 , 054501, PDF .
  • Rostami, M., Ardeshir, A., Ahmadi, G. THOMAS, P.J. (2008) "On the Effect of Gravitational and Hydrodynamic Forces on Particle Motion in a Quiescent Fluid at High Particle Reynolds Numbers". Can. J. Phys. 86 791-799, PDF .
  • Rostami, M., Ardeshir, A., Ahmadi, G. THOMAS, P.J. (2007) "Development of a Low Cost and Safe PIV for Mean Velocity and Reynolds Stress Measurements". Accepted for publication in Int. J. Eng., Trans. A:Basics 20 no. 2, 105-116, PDF .
  • Merlen, A., Zoueshtiagh, F., THOMAS, P.J. , Thomy, V. (2007) "Micrometric Ripples in a Capillary Tube, the Effect of Microgarvity". Microgravity Sci. Technol. 19 no. 3-4, 60-61, PDF .
  • THOMAS, P.J. , Linden, P.F. (2007) "Rotating Gravity Currents: Small-scale and large-scale experiments and a geostrophic model". J. Fluid Mech. 578 , 35-65, PDF .
  • Rostami, M., Ardeshir, A., Ahmadi, G. THOMAS, P.J. (2006) "Can the Histrory Force be Neglected for the Motion of Particles at High Subcritical Reynolds Range?". Int. J. Eng., Trans. B:Applications 19 no. 1, 23-34, PDF .
  • Carpenter, P.W. , THOMAS, P.J. (2007) "Flow Over Compliant Rotating Discs". J. Eng. Math. 57 no. 3, 303-315. Invited paper for Special Issue on Rotating-Disk Flow, published first online 30 Nov. 2006. PDF .
  • THOMAS, P.J. , Zoueshtiagh, F. (2007) "Rotating-Disk-Type Flow Over Loose Boundaries". J. Eng. Math. 57 no. 3, 317-332. Invited paper for Special Issue on Rotating-Disk Flow, published first online 10 Nov. 2006 PDF .
  • Colley, A.J., Carpenter, P.W., THOMAS, P.J. , Ali, R., Zoueshtiagh, F. (2006) "Experimental Verification of Type-II-eigenmode Destabilization in the Boundary Layer Over a Compliant Rotating Disk". Phys. Fluids 18 , 054107, PDF .
  • THOMAS, P.J. , Zoueshtiagh, F. (2005) "Granular Ripples Under Rotating Flow: A new technique for studying ripples in non-rotating, geophysical applications? ". Phil. Trans. Roy. Soc. 363 (no. 1832), 1663-1676, Invited paper for Special Theme Issue on Geophysical Granular and Particle-Laden Flows, PDF .
  • Zoueshtiagh, F., & THOMAS, P.J. (2003) "Spiral Patterns Formed by Granular Media Underneath a Rotating Fluid: Experiment vs. Computation ". In 'A Gallery of Fluid Motion', ed. M. Samimy et al. , p.35, Cambridge University Press, (originally published in Phys. Fluids 12 , p.S10.)
  • Zoueshtiagh, F., Ali, R., Colley, A.J., THOMAS, P.J. , Carpenter, P.W. (2003) "Laminar-Turbulent Boundary-Layer Transition Over a Rough Rotating Disk". Phys. Fluids 15 , pp. 2441-2444, PDF .
  • Cros, A., Ali, R., Le Gal, P., THOMAS, P.J., Schouveiler, L., Carpenter, P.W., Chauve, M.P. (2003) "Effects of Wall Compliance on the Laminar-Turbulent Transition of Torsional Couette Flow". J. Fluid Mech. 481, 177-186, PDF .
  • Zoueshtiagh, F. & THOMAS, P.J. (2003) "Universal Scaling Governing Ripple Formation in Granular Media". Phys. Rev. E 67 , pp. 031301-1 - 031301-5. PDF .
  • CARPENTER, P.W., THOMAS, P.J., Nagata, M. (2003) "Rotating Flows Over Compliant Walls" in 'Flow Past Highly Compliant Boundaries and in Collapsible Tubes' edited by P.W Carpenter and T.J. Pedley, Series Fluid Mechanics and its Applications, Proceedings of the IUTAM Symposium held at the University of Warwick, 26-30th March 2001, pp. 167-187, Kluwer Academic Press.
  • THOMAS, P.J. , Riddell, G.D., Kooner, S. & King, G.P. (2001) "Fine Structure of Granular Banding in Two-Phase Rimming Flow". Phys. Fluids 13 , pp.2720-2723, PDF .
  • Zoueshtiagh, F., & THOMAS, P.J. (2000) "Spiral Patterns Formed by Granular Media Underneath a Rotating Fluid: Experiment vs. Computation ". Phys. Fluids 12 , p.S10. Published as one of the winning contributions to the Gallery of Fluid Motion contest held at the 52nd Annual Meeting of the Division of Fluid Dynamics (American Physical Society), New Orleans, 21-23 Nov. 1999. (Click here for a brief overview concerning this.)
  • THOMAS, P.J. , Zoueshtiagh, F. (2000) "Granular Spiral Ripples underneath a Rotating Fluid". Album of Visualization 17 , p.1-2, published by the Visualization Society of Japan.
  • Zoueshtiagh, F., & THOMAS, P.J. (2000) "Wavelength Scaling of Spiral Patterns Formed by Granular Media Underneath a Rotating Fluid". Phys. Rev. E 61 , 5588-5592. PDF .
  • Boote, O., & THOMAS, P.J. (1999) "Effects of Granular Additives on Transition Boundaries between Flow States of rimming flows". Phys. Fluids 11 , 2020-2029, PDF .
  • Colley, A.J., THOMAS, P.J. , Carpenter, P.W. & Cooper A.J. (1999) "An Experimental Study of Boundary-Layer Transition over a Rotating, Compliant Disc". Phys. Fluids 11 , 3340-3352, PDF .
  • THOMAS, P.J. , & Linden, P.F. (1998) "A bi-modal structure imposed on gravity driven boundary currents in rotating systems by effects of the bottom topography". Exp. in Fluids 25 , 388-391, PDF .
  • THOMAS, P.J. (1997) "A numerical study of the influence of the Basset force on the statistics of LDV velocity data sampled in a flow region with a large spatial velocity gradient". Exp. in Fluids 23 , 48-53, PDF .
  • THOMAS, P.J., & Linden, P.F. (1996) "A laboratory simulation of mixing across tidal fronts". J. Fluid Mech. 309, 321-344. PDF .
  • THOMAS, P.J. (1994) "Pattern formation of granules on the bottom of a differentially rotating tank". J. Fluid Mech. 274, 23-41, PDF .
  • THOMAS, P.J. & Auerbach, D. (1994) "The observation of the simultaneous development of a long- and a short-wave instability mode on a vortex pair". J. Fluid Mech. 265, 289-302, PDF .
  • THOMAS, P.J. & Butefisch, K.-A. (1993) "An investigation of the influence of the size distribution of seeding particles on LDA velocity data in the vicinity of a large velocity gradient". Phys. Fluids A 5(11), 2807-2814, PDF .
  • THOMAS, P.J. , Butefisch, K.-A. & Sauerland, K.H. (1993) "On the motion of particles in a fluid under the influence of large velocity gradients". Exp. in Fluids 14, No.1-2, 42-48, PDF .
  • THOMAS, P.J. (1992) "On the influence of the Basset history force on the motion of a particle through a fluid". Phys. Fluids A 5(9), 2090-2093, PDF .
  • THOMAS, P.J. (1989) "Experiments on the motion and stability of rectilinear vortices". Zeitung fuer Angew. Math. Mech. 69 (6), T610-T611.


Conference Publications

List of publications in separate PDF File



Recorded Publications - Discography (entry of data in progress)


LPs

    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (2012) "Maniacs - Dust of a decade", Double Album, Angry Voice Records AVR-30, Germany.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1990) "Maniacs - Thrown to the dogs", Black Fantasy Records NW 107, Kassel, Germany.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1988) "Maniacs - Bootlegged at the Bootleg", Rise & Fall Records 06, Augsburg, Germany.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1986) "Maniacs - The white rose of resistance", Muelleimer Records NW 016, Germany.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1984) "Maniacs - (Split LP with Tin Can Army)", Muelleimer Records 010, Germany.


    Singles/EPs

    • THOMAS, P.J. , Schoenewolf, K.-U., Kuellmer, P. (2017) "Maniacs - Weltkrieg & Wir haben was zu sagen", Split Single with Zyklome A, Power It Up Records #250, Salzgitter, Germany. Two songs from 1983 demo tape preceeding split LP with TCA. Distributed free with 100th issue of Plastic Bomb magazine in Germany.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1986) "Maniacs - Chainsaw Blues", Terminal Records 006, Paris (?), France.
    • THOMAS, P.J. , Schedensack, T., Schoenewolf, K.-U., Kuellmer, P. (1985) "Maniacs - Salute the survivors", 4-Track EP Pogar Records 06, Berlin, Germany.


    CDs

    • Entries to follow


    Compilations

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    Tapes

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