Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Title

Now showing items 61-80 of 1036

    • Conference Object  

      Bond graph based modal representations and model reduction of lumped parameter systems 

      Louca, Loucas S. (Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, CyprusCorrespondence Address: Louca, L.S.Department of Mechanical and Manufacturing Engineering, University of Cyprus, 75 Kallipoleos Street, Nicosia 1678, Cyprusemail: lslouca@ucy.ac.cy, 2006)
      Modal analysis is extensively used to study dynamic behavior of continuous and lumped parameter linear systems. More specifically, modal analysis can be used for the analysis and controller design of dynamic systems. In ...
    • Article  

      Breakup of a capillary bridge of suspensions 

      Alexandrou, Andreas N.; Bazilevskii, A. V.; Entov, V. M.; Rozhkov, A. N.; Sharaf, A. (2010)
      The breakup of liquid bridges under the action of capillary forces is used for studying the rheology of suspensions under stretching. The experiments were performed with suspensions of finegrained (3-30 μm) sand in glycerin ...
    • Article  

      Broad compositional tunability of indium tin oxide nanowires grown by the vapor-liquid-solid mechanism 

      Zervos, Matthew; Mihailescu, C. N.; Giapintzakis, John; Luculescu, C. R.; Florini, N.; Komninou, Ph; Kioseoglou, J.; Othonos, A. (2014)
      Indium tin oxide nanowires were grown by the reaction of In and Sn with O2 at800 °C via the vapor-liquid-solid mechanism on 1 nm Au/Si(001). We obtain Sn doped In2O3 nanowires having a cubic bixbyite crystal structure by ...
    • Article  

      Broom-like and flower-like heterostructures of silver molybdate through pH controlled self assembly 

      Singh, D. P.; Sirota, B.; Talpatra, S.; Kohli, P.; Rebholz, Claus; Aouadi, S. M. (2012)
      Silver molybdate microrods are selfassembled into micron sized, broom-like and flowerlike structures. Our investigations indicate that through a simple hydrothermal process, large scale production of such structure is ...
    • Article  

      Brownian-like kinematics of ball milling for particulate structural modeling 

      Doumanidis, C. C.; Kaabi, H. A. Al; Alzaabi, A. S. M.; Gunduz, I. E.; Rebholz, Claus; Doumanidis, C. C. (2016)
      Ball milling motion has been previously studied through computationally expensive, off-line experimental video processing and numerical simulations by the discrete element method. This research establishes a more efficient ...
    • Conference Object  

      Buoyancy-driven flow inside an asymmetrically heated cavity 

      Demou, A. D.; Grigoriadis, Dimokratis G. E.; Geurts, B. J. (Springer International Publishing AG, 2019)
      Buoyancy-driven flows inside enclosures are in the center of problems related to heat transfer because they can provide a significant insight into the physical mechanisms of heat transfer. Typical examples of such flows ...
    • Conference Object  

      Buoyancy-driven flows using the Low-Mach approximation 

      Demou, A.; Grigoriadis, Dimoktratis G. E. (Springer, 2019)
    • Article  

      C-axis josephson tunneling between YBa2Cu3O7 − δ and Pb: Direct evidence for mixed order parameter symmetry in a high- Tc superconductor 

      Kouznetsov, K. A.; Sun, A. G.; Chen, B.; Katz, A. S.; Bahcall, S. R.; Clarke, J.; Dynes, R. C.; Gajewski, D. A.; Han, S. H.; Maple, M. B.; Giapintzakis, John; Kim, J.-T.; Ginsberg, T. M. (1997)
      C-axis Josephson tunneling experiments in which a conventional superconductor (Pb) is deposited across a single twin boundary of a YBa2Cu3O7 − δ (YBCO) crystal. We measure the critical current as a function of the magnitude ...
    • Article  

      Carbon dioxide storage in olivine basalts: Effect of ball milling process 

      Rigopoulos, Ioannis; Petallidou, Klito C.; Vasiliades, Michalis A.; Delimitis, A.; Ioannou, Ioannis; Efstathiou, A. M.; Kyratsi, Theodora (2015)
      The goal of this study is to propose a cost-effective method for the optimization of the ex situ carbonation of basaltic rocks. The ball milling process was applied to a sample of olivine basalt from the Troodos ophiolite ...
    • Article  

      Carbon nanotube-reinforced crosslinked polyethylene pipes for geothermal applications: From synthesis to decomposition using analytical pyrolysis-GC/MS and thermogravimetric analysis 

      Roumeli, E.; Markoulis, A.; Kyratsi, Theodora; Bikiaris, D.; Chrissafis, K. (2014)
      Carbon nanotube reinforced crosslinked high density polyethylene (PEX) nanocomposites were synthesized for geothermal applications requiring higher polymer thermal conductivity and a comprehensive thermal decomposition ...
    • Article  

      Carbon sequestration via enhanced weathering of peridotites and basalts in seawater 

      Rigopoulos, Ioannis; Harrison, Anna L.; Delimitis, Andreas; Ioannou, Ioannis; Efstathiou, Angelos M.; Kyratsi, Theodora; Oelkers, Eric H. (2018)
      Enhanced weathering of mafic and ultramafic rocks has been suggested as a carbon sequestration strategy for the mitigation of climate change. This study was designed to assess the potential drawdown of CO2 directly from ...
    • Article  

      Carbon sequestration via enhanced weathering of peridotites and basalts in seawater 

      Rigopoulos, I.; Harrison, A. L.; Delimitis, A.; Ioannou, I.; Efstathiou, A. M.; Kyratsi, Theodora; Oelkers, E. H. (2018)
      Enhanced weathering of mafic and ultramafic rocks has been suggested as a carbon sequestration strategy for the mitigation of climate change. This study was designed to assess the potential drawdown of CO2 directly from ...
    • Article  

      Carrier dynamics and conductivity of SnO 2 nanowires investigated by time-resolved terahertz spectroscopy 

      Tsokkou, D.; Othonos, A.; Zervos, Matthew (2012)
      THz spectroscopy has been applied to investigate the photo-induced and intrinsic conductivity in SnO 2 nanowires using the Drude-Smith model. The refractive index of the nanowires was found to decrease from 2.4 to 2.1 with ...
    • Article  

      Carrier dynamics in InS nanowires grown via chemical vapor deposition 

      Othonos, A.; Zervos, Matthew (2010)
      Transient femtosecond absorption spectroscopy and timecorrelating single photon counting (TCSPC) photoluminescence (PL) were employed to study InS nanowires (NWs) grown by chemical vapor deposition (CVD) and determine the ...
    • Article  

      Carrier dynamics in Β-Ga2O3 nanowires 

      Othonos, A.; Zervos, Matthew; Christofides, C. (2010)
      Carrier dynamics have been investigated in Β-Ga2O 3 nanowires (NWs) grown by the vapor-liquid-solid mechanism, using ultrashort transient absorption spectroscopy in conjunction with time-correlating single photon counting ...
    • Conference Object  

      Carrier mapping in thermoelectric materials 

      Polymeris, G. S.; Hatzikraniotis, E.; Stefanaki, E. C.; Pavlidou, E.; Kyratsi, Theodora; Paraskevopoulos, K. M.; Kanatzidis, M. G. (Affiliation: Physics Department, Aristotle University of Thessaloniki, GR- 54124, Thessaloniki, GreeceAffiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1678 Nicosia, CyprusAffiliation: Department of Chemistry, Northwestern University, 2145 North Sheridan Road, Evanston, IL 60208, United StatesCorrespondence Address: Physics Department, Aristotle University of Thessaloniki, GR- 54124, Thessaloniki, Greece, 2013)
      The application of micro-fourier transform infrared (FT1R) mapping analysis to thermoelectric materials towards identification of doping inhomogeneities is described. Micro-FTIR, in conjunction with fitting, is used as ...
    • Article  

      Carrier relaxation dynamics in SnxNy nanowires grown by chemical vapor deposition 

      Othonos, A.; Zervos, Matthew (2009)
      Carrier relaxation dynamics in tin nitride (SnxNy) nanowires have been investigated using femtosecond transient absorption spectroscopy. The nanowires were grown directly on quartz using chemical vapor deposition and had ...
    • Article  

      Cationic nanoparticles have superior transvascular flux into solid tumors: Insights from a mathematical model 

      Stylianopoulos, T.; Soteriou, K.; Fukumura, D.; Jain, R. K. (2013)
      Despite their great promise, only a few nanoparticle formulations have been approved for clinical use in oncology. The failure of nano-scale drugs to enhance cancer therapy is in large part due to inefficient delivery. To ...
    • Article  

      Causes, consequences, and remedies for growth-induced solid stress in murine and human tumors 

      Stylianopoulos, T.; Martin, J. D.; Chauhan, V. P.; Jain, S. R.; Diop-Frimpong, B.; Bardeesy, N.; Smith, B. L.; Ferrone, C. R.; Hornicek, F. J.; Boucher, Y.; Munn, L. L.; Jain, R. K. (2012)
      The presence of growth-induced solid stresses in tumors has been suspected for some time, but these stresses were largely estimated using mathematical models. Solid stresses can deform the surrounding tissues and compress ...
    • Book Chapter  

      Cavitation: Its role in stone comminution and renal injury 

      Averkiou, Michalakis A.; Crum, L. A. (Igaku-Shoin Medical Publishers Ltd, 1995)