Imperial College London

DrPaulBruce

Faculty of EngineeringDepartment of Aeronautics

Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7594 5048p.bruce

 
 
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Location

 

333City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

31 results found

Braun M, Bruce P, Levis E, 2017, Strategies to utilize advanced heat shield technology for high-payload mars atmospheric entry missions, ACTA ASTRONAUTICA, Vol: 136, Pages: 22-33, ISSN: 0094-5765

JOURNAL ARTICLE

Melina G, Bruce PJK, Hewitt GF, Vassilicos JCet al., 2017, Heat transfer in production and decay regions of grid-generated turbulence, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, Vol: 109, Pages: 537-554, ISSN: 0017-9310

JOURNAL ARTICLE

Prigent SL, Buxton ORH, Bruce PJK, 2017, Wake of a Lifting Wing with Cut-In Sinusoidal Trailing Edges, AIAA JOURNAL, Vol: 55, Pages: 1590-1601, ISSN: 0001-1452

JOURNAL ARTICLE

Prigent SL, Buxton ORH, Bruce PJK, 2017, Coherent structures shed by multiscale cut-in trailing edge serrations on lifting wings, PHYSICS OF FLUIDS, Vol: 29, ISSN: 1070-6631

JOURNAL ARTICLE

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2017, Experimental measurement of wall shear stress in strongly disrupted flows, JOURNAL OF TURBULENCE, Vol: 18, Pages: 271-290, ISSN: 1468-5248

JOURNAL ARTICLE

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2017, Flow characteristics and scaling past highly porous wall-mounted fences, PHYSICS OF FLUIDS, Vol: 29, ISSN: 1070-6631

JOURNAL ARTICLE

Steiros K, Bruce PJK, Buxton ORH, Vassilicos JCet al., 2017, Power consumption and form drag of regular and fractal-shaped turbines in a stirred tank, AICHE JOURNAL, Vol: 63, Pages: 843-854, ISSN: 0001-1541

JOURNAL ARTICLE

Steiros K, Bruce PJK, Buxton ORH, Vassilicos JCet al., 2017, Effect of blade modifications on the torque and flow field of radial impellers in stirred tanks, PHYSICAL REVIEW FLUIDS, Vol: 2, ISSN: 2469-990X

JOURNAL ARTICLE

Baj P, Bruce PJK, Buxton ORH, 2016, On a PLIF quantification methodology in a nonlinear dye response regime, EXPERIMENTS IN FLUIDS, Vol: 57, ISSN: 0723-4864

JOURNAL ARTICLE

Jinks E, Santer M, bruce P, 2016, Aero-Structural Design Optimization of Adaptive Shock Control Bumps, 54th AIAA Aerospace Sciences Meeting, Publisher: American Institute of Aeronautics and Astronautics

Shock control bumps (SCB) are a transonic flow control device that aim to reduce theoverall drag due to a normal shock on a typical passenger jet at cruise. The concept of adaptiveSCB which can be deployed for best use are investigated through an aero-structuraldesign tool that produces optimal geometries. The optimizer uses a surface based performancemetric to highlight the importance of the flow quality around the SCB as wellas including a structural element that is required to provide the necessary flexibility todeform. The performance metric produces the target pressure distribution and successfullysmears the shock. It is found that the structural constraint does not inhibit bumpheight and global airfoil performance is not significantly a↵ected, L/D varies < 0.6%. Theaerodynamic pressure loading can be utilised to produce a new family of SCB geometriesthat are unachievable with mechanical actuation alone. The study shows that adaptiveSCB that exploit the naturally occurring pressure field around an airfoil in a passive wayare a feasible technology to mitigate the poor o↵-design performance of static SCB.

CONFERENCE PAPER

Jinks E, bruce P, Santer M, 2016, Wind Tunnel Experiments with Flexible Plates in Transonic Flows, 54th AIAA Aerospace Sciences Meeting, Publisher: AIAA

The evolution of adaptive shock control bump (SCB) design has seen the system flexibilityincrease to a point where the aerodynamic loading can affect the deformation of theplate. By studying the effects of a flexible plate subject to transonic flow the fluid structureinteraction can be investigated. In this study an array of thin plates (0.4 and 0.6 mm)with different aspect ratios (1 and 1.33) are exposed to a Mach 1.4 normal shockwave.PIV is used in combination with Schlieren imaging to provide a detailed view of the flowcurvature surrounding the plate as well as the global shock structure. A technique thatextracts the plate deformation from the PIV images is also presented which provides fluidand structural information for each test. The relationship between plate and flow angleis discussed as well as the effect of plate stiffness and free stream influence of each plateconfiguration.

CONFERENCE PAPER

Melina G, Bruce PJK, Hewitt GF, Vassilicos JCet al., 2016, Heat Transfer Enhancement by Grid-Generated Turbulence for a Cylinder in Crossflow, 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF), Publisher: SPRINGER INT PUBLISHING AG, Pages: 125-132, ISSN: 0930-8989

CONFERENCE PAPER

Melina G, Bruce PJK, Vassilicos JC, 2016, Vortex shedding effects in grid-generated turbulence, PHYSICAL REVIEW FLUIDS, Vol: 1, ISSN: 2469-990X

JOURNAL ARTICLE

Prigent SL, Buxton ORH, Bruce PJK, 2016, Experimental investigation of the wake of a lifting wing with cut-in sinusoidal trailing edges

© 2016, American Institute of Aeronautics and Astronautics Inc, AIAA . All rights reserved. The wake behind a NACA0012 wing at incidence with cut-in sinusoidal trailing edges (TE) is experimentally investigated. A wing model with interchangeable trailing edges is used to study their impact on the wake properties. Both vertical and span-wise traverses of hot-wires are done at different downstream positions, to obtain the downstream evolution of statistical properties and to perform spectral analysis. Stereoscopic particle image velocimetry is used to study the flow structure in a span-wise/cross-stream plane. Span-wise inhomogeneity of the velocity deficit and of the wake width is observed and explained by the presence of a span-wise/cross-stream flow induced by the cut-in modifications. Spectral analysis shows a decrease of shedding intensity with shorter TE wavelength, with up to 57% reduction when compared to a straight blunt wing. Blunt sinusoidal TEs offer a reduction of span-wise correlation compared to the blunt straight one, which is mitigated when compared to an unmodified wing. A sharp cut-in design is also studied, that exhibits a more broad-band shedding spike at a lower frequency.

CONFERENCE PAPER

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2016, Downstream Evolution of Perturbations in a Zero Pressure Gradient Turbulent Boundary Layer, Editors: Peinke, Kampers, Oberlack, Waclawczyk, Talamelli, Publisher: SPRINGER-VERLAG BERLIN, Pages: 133-137, ISBN: 978-3-319-29129-1

BOOK CHAPTER

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2016, On the Formation Mechanisms of Artificially Generated High Reynolds Number Turbulent Boundary Layers, BOUNDARY-LAYER METEOROLOGY, Vol: 160, Pages: 201-224, ISSN: 0006-8314

JOURNAL ARTICLE

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2016, Near field development of artificially generated high Reynolds number turbulent boundary layers, PHYSICAL REVIEW FLUIDS, Vol: 1, ISSN: 2469-990X

JOURNAL ARTICLE

Steiros K, Bruce PJK, Buxton ORH, Vassilicos JCet al., 2016, Flow Field Characteristics and Energy Injection in a Tank Stirred by Regular and Fractal Blade Impellers, Editors: Segalini, Publisher: SPRINGER INT PUBLISHING AG, Pages: 363-369, ISBN: 978-3-319-30600-1

BOOK CHAPTER

Baj P, Bruce PJK, Buxton ORH, 2015, The triple decomposition of a fluctuating velocity field in a multiscale flow, PHYSICS OF FLUIDS, Vol: 27, ISSN: 1070-6631

JOURNAL ARTICLE

Bruce PJK, Colliss SP, 2015, Review of research into shock control bumps, SHOCK WAVES, Vol: 25, Pages: 451-471, ISSN: 0938-1287

JOURNAL ARTICLE

Kahk JM, Villar-Garcia IJ, Grechy L, Bruce PJK, Vincent PE, Eriksson SK, Rensmo H, Hahlin M, Ahlund J, Edwards MOM, Payne DJet al., 2015, A study of the pressure profiles near the first pumping aperture in a high pressure photoelectron spectrometer, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, Vol: 205, Pages: 57-65, ISSN: 0368-2048

JOURNAL ARTICLE

Rodriguez-Lopez E, Bruce PJK, Buxton ORH, 2015, A robust post-processing method to determine skin friction in turbulent boundary layers from the velocity profile, EXPERIMENTS IN FLUIDS, Vol: 56, ISSN: 0723-4864

JOURNAL ARTICLE

Bruce PJK, Babinsky H, 2012, Experimental Study into the Flow Physics of Three-Dimensional Shock Control Bumps, JOURNAL OF AIRCRAFT, Vol: 49, Pages: 1222-1233, ISSN: 0021-8669

JOURNAL ARTICLE

Bruce PJK, Babinsky H, Tartinville B, Hirsch Cet al., 2011, Experimental and Numerical Study of Oscillating Transonic Shock Waves in Ducts, AIAA JOURNAL, Vol: 49, Pages: 1710-1720, ISSN: 0001-1452

JOURNAL ARTICLE

Bruce PJK, Babinsky H, Tartinville B, Hirsch Cet al., 2011, Corner Effect and Asymmetry in Transonic Channel Flows, AIAA JOURNAL, Vol: 49, Pages: 2382-2392, ISSN: 0001-1452

JOURNAL ARTICLE

Bruce PJK, Burton DMF, Titchener NA, Babinsky Het al., 2011, Corner effect and separation in transonic channel flows, JOURNAL OF FLUID MECHANICS, Vol: 679, Pages: 247-262, ISSN: 0022-1120

JOURNAL ARTICLE

Bruce PJK, Babinsky H, 2010, An experimental study of transonic shock/boundary layer interactions subject to downstream pressure perturbations, AEROSPACE SCIENCE AND TECHNOLOGY, Vol: 14, Pages: 134-142, ISSN: 1270-9638

JOURNAL ARTICLE

Bruce PJK, Babinsky H, 2009, Dynamics of unsteady shock wave motion, 26th International Symposium on Shock Waves, Publisher: SPRINGER-VERLAG BERLIN, Pages: 1237-1242

CONFERENCE PAPER

Bruce PJK, Babinsky H, 2008, Unsteady shock wave dynamics, JOURNAL OF FLUID MECHANICS, Vol: 603, Pages: 463-473, ISSN: 0022-1120

JOURNAL ARTICLE

Jinks E, Bruce P, Santer M, Adaptive Shock Control Bumps, 52nd Aerospace Sciences Meeting, Publisher: American Institute of Aeronautics and Astronautics

CONFERENCE PAPER

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