Now showing items 589-608 of 1036

    • Article  

      Non-equilibrium microscale thermomechanical modeling of bimetallic particulate fractal structures during ball milling fabrication 

      Aureli, M.; Doumanidis, C. C.; Gunduz, I. E.; Hussien, A. G. S.; Liao, Y.; Jaffar, S. M.; Rebholz, Claus; Doumanidis, C. C. (2017)
      Nanostructured bimetallic reactive multilayers can be conveniently produced by ball milling of elemental powders. This research explores the non-equilibrium microscale conductive thermal transport in ball-milled particulate ...
    • Conference Object  

      Non-uniform finite segment representation and reduction of a cantilever beam model 

      Louca, Loucas S. (Dime University of Genoa, 2016)
      The cantilever beam is a component widely used in numerous engineering systems with its geometric and material properties varying depending on the application. Calculating the dynamic behavior of a cantilever beam is a ...
    • Article  

      Nonlinear Distortion and Attenuation of Intense Acoustic Waves in Lossy Media Obeying a Frequency Power Law 

      S, S. Kashcheeva; Sapozhnikov, Oleg; Khokhlova, V.; AVERKIOU, MICHALAKIS A.; Crum, Lawrence (2000)
      Nonlinear propagation of a periodic wave and a single pulse with a shack front through a lossy medium is studied theoretically. The medium is characterized by the frequency dependence of the attenuation coefficient obeying ...
    • Article  

      Nonlinear distortion of short pulses radiated by plane and focused circular pistons 

      Averkiou, Michalakis A.; Hamilton, Mark F. (1997)
      Detailed measurements of finite-amplitude pulses radiated by plane and focused circular pistons in water are presented. Comparisons of time waveforms and frequency spectra, both on and off axis, are made with numerical ...
    • Article  

      Nonlinear imaging 

      Burns, P. N.; Simpson, D. Hope; Averkiou, Michalakis A. (2000)
    • Article  

      Nonlinear pulsed ultrasound beams radiated by rectangular focused diagnostic transducers 

      Khokhlova, V. A.; Ponomarev, A. E.; AVERKIOU, MICHALAKIS A.; Crum, L. A. (2006)
      A numerical model for simulating nonlinear pulsed beams radiated by rectangular focused transducers, which are typical of diagnostic ultrasound systems, is presented. The model is based on a KZK-type nonlinear evolution ...
    • Article  

      Normalization of tumour blood vessels improves the delivery of nanomedicines in a size-dependent manner 

      Chauhan, V. P.; Stylianopoulos, T.; Martin, J. D.; PopoviÄ, Z.; Chen, O.; Kamoun, W. S.; Bawendi, M. G.; Fukumura, D.; Jain, R. K. (2012)
      The blood vessels of cancerous tumours are leaky and poorly organized. This can increase the interstitial fluid pressure inside tumours and reduce blood supply to them, which impairs drug delivery. Anti-angiogenic ...
    • Article  

      Novel CeO2-based screen-printed potentiometric electrodes for pH monitoring 

      Betelu, S.; Polychronopoulou, K.; Rebholz, Claus; Ignatiadis, I. (2011)
      Nuclear waste repositories are being installed in deep excavated rock formations in some places in Europe to isolate and store radioactive waste. In France, the Callovo-Oxfordian formation (COx) is a possible candidate for ...
    • Article  

      Novel combustion synthesis of carbon foam‑aluminum fluoride nanocomposite materials 

      Kostoglou, Nikolaos; Emre Gunduz, I.; Isik, Tugba; Ortalan, Volkan; Constantinides, Georgios; Kontos, Athanassios G.; Steriotis, Theodore; Ryzhkov, Vladislav; Bousser, Etienne; Matthews, Allan; Doumanidis, Charalabos; Mitterer, Christian; Rebholz, Claus (2018)
      The facile, rapid and bulk production of composite materials consisting of carbon nanostructures doped with metal-based compounds has been a significant challenge for various research areas where such types of materials ...
    • Article  

      Novel combustion synthesis of carbon foam‑aluminum fluoride nanocomposite materials 

      Kostoglou, N.; Gunduz, I. Emre; Isik, T.; Ortalan, V.; Constantinides, G.; Kontos, A. G.; Steriotis, T.; Ryzhkov, V.; Bousser, E.; Matthews, A.; Doumanidis, C. C.; Mitterer, C.; Rebholz, Claus (2018)
      The facile, rapid and bulk production of composite materials consisting of carbon nanostructures doped with metal-based compounds has been a significant challenge for various research areas where such types of materials ...
    • Conference Object  

      Number size distribution of particles dosed by MDI and DPI inhalers 

      Ondráčková, L.; Kozáková, J.; Ondráček, J.; Ždímal, V.; Mašková, L.; Kassinos, Stavros C. (2018)
      The purpose of this research was to determine the influence of inspiratory flow rate and relative humidity on particle size distributions (PSDs) generated by three MDI inhalers (Flutiform, Fullhale and Ventolin) and one ...
    • Article  

      A numerical methodology for efficient simulations of non-Oberbeck-Boussinesq flows 

      Demou, A. D.; Frantzis, C.; Grigoriadis, Dimokratis G. E. (2018)
      The Oberbeck-Boussinesq (OB) form of the Navier-Stokes equations can provide reliable solutions only for problems where the density differences are relatively small and all other material properties can be considered ...
    • Article  

      A numerical methodology for efficient simulations of non-Oberbeck-Boussinesq flows 

      Demou, A. D.; Frantzis, C.; Grigoriadis, D. G. E. (2018)
      The Oberbeck-Boussinesq (OB) form of the Navier-Stokes equations can provide reliable solutions only for problems where the density differences are relatively small and all other material properties can be considered ...
    • Article  

      Numerical modeling of self-propagating reactions in Ru/Al nanoscale multilayer foils 

      Mücklich, F.; Woll, K.; Gunduz, I. E.; Pauly, C.; Doumanidis, C. C.; Son, S. F.; Rebholz, Claus (2015)
      The Ru/Al system integrates high energy density and high product ductility and serves as an alternative for utilization as nanoscale reactive multilayer. We present a modeling study that relates the Ru-Al phase transformations ...
    • Conference Object  

      Numerical modeling of turbulent airflow and particle deposition in a bifurcating airway model 

      Radhakrishnan, H.; Kassinos, Stavros C. (Affiliation: UCY-CompSci Computational Sciences Laboratory, Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, CyprusCorrespondence Address: Radhakrishnan, H.UCY-CompSci Computational Sciences Laboratory, Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus, 2009)
      Understanding transport and deposition of inhaled particles in the human airways plays a crucial role in the targeted therapy of pulmonary diseases, and the administration of inhaled medicines. Numerous researchers have ...
    • Article  

      Numerical modelling for atomic-force-microscopy-based impedance imaging 

      Polydorides, N.; Charalambous, Charalambos D.; Kyprianou, Andreas (2005)
      This paper is motivated by the pioneering work of O'Hayre et al. and of Kalinin and Bonnell who brought together the imaging modalities of atomic force microscopy (AFM) and electrical impedance spectroscopy. With the ...
    • Article  

      Numerical modelling for atomic-force-microscopy-based impedance imaging 

      Polydorides, N.; Charalambous, C. D.; Kyprianou, Andreas (2005)
      This paper is motivated by the pioneering work of O'Hayre et al. and of Kalinin and Bonnell who brought together the imaging modalities of atomic force microscopy (AFM) and electrical impedance spectroscopy. With the ...
    • Article  

      Numerical simulation of a liquid-metal flow in a poorly conducting pipe subjected to a strong fringing magnetic field 

      Albets-Chico, X.; Radhakrishnan, H.; Kassinos, Stavros C.; Knaepen, B. (2018)
      Using high resolution numerical simulations, we study the flow of a liquid metal in a pipe subjected to an intense decreasing magnetic field (fringing magnetic field). The chosen flow parameters are such that our study is ...
    • Conference Object  

      Numerical simulation of die filling in semisolid metal processing 

      Bardinet, F.; Alexandrou, Andreas N.; Loue, Willem (Affiliation: WPI, Worcester, United StatesCorrespondence Address: Bardinet, FrancoisWPI, Worcester, United States, 1997)
      Semisolid Metal Processing offers distinct advantages over other near-net-shape technologies, such as a more homogeneous microstructure, less porosity and thus excellent mechanical properties. A perfect control of die ...
    • Conference Object  

      Numerical simulation of injection mold filling for semi-solid materials 

      Ahmed, Alauddin; Alexandrou, Andreas N. (ASME, 1995)
      Processing of metals and metal matrix composites in the semi-solid state is an emerging new technology and is becoming increasingly popular. This method provides several advantages over the traditional liquid state processing ...