Browsing Staff publications (SoE) by Title

Browsing Staff publications (SoE) by Title

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  • Kolmogorov-Chaitin complexity of digital controller implementations. 
    Whidborne, James F.; McKernan, John; Gu, Da-Wei (Springer Science Business Media, 2006-07-01)
    The complexity of linear, fixed-point arithmetic digital controllers is investigated from a Kolmogorov-Chaitin perspective. Based on the idea of Kolmogorov-Chaitin complexity, practical measures of complexity are ...
  • LAG: Achieving transparent access to legacy data by leveraging grid environment 
    Deng, Yuhui; Wang, Frank Zhigang (Elsevier Science B.V., Amsterdam., 2011-01-31)
    The world today is experiencing an explosive growth of data generated by information digitization. Due to the unprecedented advance in software and hardware, large amounts of data gradually becomes legacy data and ...
  • Large Eddy Simulation of a turbulent swirling coaxial jet 
    Ranga Dinesh, K. K. J.; Savill, Mark A.; Jenkins, Karl W.; Kirkpatrick, M. P. (Inderscience, 2010-12-31)
    This work uses the Large Eddy Simulation (LES) technique to study velocity and passive scalar mixing along with intermittency of a spatially evolving turbulent coaxial swirl jet. The simulations captured the potential ...
  • Large eddy simulation using high-resolution and high-order methods 
    Drikakis, Dimitris; Hahn, Marco; Mosedale, Andrew; Thornber, Ben (Royal Society, 2009-07-31)
    Restrictions on computing power make direct numerical simulation too expensive for complex flows; thus, the development of accurate large eddy simulation (LES) methods, which are industrially applicable and efficient, ...
  • Large-eddy simulation of multi-component compressible turbulent flows using high resolution methods 
    Thornber, Ben; Drikakis, Dimitris; Youngs, D. (Elsevier Science B.V., Amsterdam., 2008-08-31)
    The ability of a finite volume Godunov and a semi-Lagrangian large-eddy simulation (LES) method to predict shock induced turbulent mixing has been examined through simulations of the half-height experiment [Holder and ...
  • Laser ice scaffolds modeling for tissue engineering 
    Meglinski, I. V.; Varejka, M.; Woodman, Anthony C.; Turner, Anthony P. F.; Piletsky, Sergey A. (John Wiley & Sons, Ltd, 2005-09-01)
    Tissue engineering is one of the most exciting and rapidly growing areas in biomedical engineering that offers vast potential for changing traditional approaches to meeting many pharmaceutics and critical health care ...
  • Laser-frequency locking techniques for high-sensitivity strain measurements by high-birefringence fiber Bragg gratings and resonators 
    Salza, M.; Gagliardi, G.; Di Maio, A.; Ferraro, P.; De Natale, P.; Chehura, Edmon; Tatam, Ralph P. (International Society for Optical Engineering; 1999, 2007-12-31)
    A new approach to simultaneously interrogate orthogonal axes of single Fiber- Bragg-Gratings (FBGs) and FBG-FabryPerot resonator sensors fabricated in linearly highly birefringent (HiBi) fibre is presented. Novel ...
  • LES Of intermittency in a turbulent round jet with different inlet conditions 
    Ranga Dinesh, K. K. J.; Savill, Mark A.; Jenkins, Karl W.; Kirkpatrick, M. P. (Elsevier, 2010-10)
    Large eddy simulation (LES) is a promising technique for accurate prediction of turbulent free shear flows in a wide range of applications. Here the LES technique has been applied to study the intermittency in a high ...
  • Limitation of Acoustic Emission for Identifying Seeded Defects in Gearboxes 
    Tan, Chee Keong; Mba, David (Springer Science Business Media, 2005-03-01)
    Acoustic Emissions (AE) is gaining ground as a Nonestructive Technique (NDT) for health diagnosis on rotating machinery. Vast opportunities exist for development of the AE technique on various forms of rotating machinery, ...
  • A linear acoustic model for intake wave dynamics in IC engines 
    Harrison, M. F.; Stanev, P. T. (Elsevier, 2004-01-06)
    In this paper, a linear acoustic model is described that has proven useful in obtaining a better understanding of the nature of acoustic wave dynamics in the intake system of an internal combustion (IC) engine. The model ...
  • A linear acoustic model for multi-cylinder IC engine intake manifolds including the effects of the intake throttle 
    Harrison, M. F.; Rubio Unzueta P. L.; De Soto, I. (Elsevier, 2004-12)
    This paper presents a linear acoustic model of a multi-cylinder intake manifold that can be used as part of a hybrid time/frequency domain method to calculate the intake wave dynamics of practical naturally aspirated ...
  • Linear feedback control of transient energy growth and control performance limitations in subcritical plane Poiseuille flow 
    Martinelli, F.; Quadrio, M.; McKernan, John; Whidborne, James F. (2011-01-31)
    Suppression of the transient energy growth in subcritical plane Poiseuille flow via feedback control is addressed. It is assumed that the time derivative of any of the velocity components can be imposed at the walls as ...
  • Linear quadratic control of plane Poiseuille flow-the transient behaviour. 
    McKernan, John; Whidborne, James F.; Papadakis, George (Taylor and Francis, 2007-12)
    This paper describes the design of optimal linear quadratic controllers for single wavenumber-pair periodic 2-D disturbances in plane Poiseuille flow, and subsequent verification using a finite-volume full Navier-Stokes ...
  • Linear stability of ice growth under a gravity-driven water film 
    Shapiro, Evgeniy; Timoshin, Sergei (American Institute of Physics, 2006-07)
    In this paper we consider linear stability of ice growth under a gravity-driven water film on a sloping wall. First, we derive an analytic solution of the stability problem in the long-wave limit, which shows that the ...
  • A linear state-space representation of plane Poiseuille flow for control design: a tutorial. 
    McKernan, John; Papadakis, George; Whidborne, James F. (Inderscience Publishers, 2006-01-01)
    A method for the incorporation of wall transpiration into a model of lin- earised plane Poiseuille °ow is presented, with the aim of producing a state- space model suitable for the development of feedback control of ...
  • Local involvement in harnessing crude oil and natural gas in Nigeria 
    Nwosu, H. U.; Nwachukwu, I. N.; Ogaji, S. O. T.; Probert, S. D. (Elsevier, 2006-11)
    Abstract Vast financial investments have been made in the upstream crude-oil and natural-gas (CONG) sector in Nigeria, but have not resulted in significant benefits for most Nigerians. The associated major activities, ...
  • Local pareto analyser for preliminary design. 
    Utyuzhnikov, S. V.; Maginot, J.; Guenov, Marin D. (2006-09-01)
    In the design process of complex systems, the designer has to solve an optimisation problem, which involves coupled disciplines and where all design criteria have to be optimised (traded-off) simultaneously. This problem ...
  • Locally pressed fibre Bragg grating pressure sensor 
    Correia, Ricardo N.; Chehura, Edmon; James, Stephen W.; Tatam, Ralph P. (2006-12-31)
    A spectral-hole created by locally pressing a fibre Bragg grating exhibited a wavelength-shift within the FBG bandwidth. A sensitivity of 74.3pm/(N/mm) was obtained for pressure applied along the slow axis of a high ...
  • A long period grating based directional flow sensor 
    Buggy, Stephen J.; James, Stephen W.; Tatam, Ralph P. (International Society for Optical Engineering; 1999, 2008-12-31)
    A chirped long period grating (LPG) is used as a directional flow sensor by monitoring the change in the transmission spectrum upon immersion in an oil of refractive index higher than that of the fibre cladding. The ...
  • Long period grating based toluene sensor for use with water contamination 
    Partridge, Matthew; Wong, Rebecca; James, Stephen W.; Davis, Frank; Higson, Seamus P. J.; Tatam, Ralph P. (Elsevier Science B.V., Amsterdam., 2014-11-01)
    A demonstration of the use of a calix[4]resorcinarene coated optical fibre long period grating sensor for the detection of toluene in water is presented. Monitoring water quality both for domestic use and around industrial ...

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