Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering: Recent submissions

Now showing items 581-600 of 1036

    • Conference Object  

      Doping and alloying trends in new thermoelectric materials 

      Loo, S.; Lal, S.; Kyratsi, Theodora; Chung, D. Y.; Hsu, K. F.; Kanatzidis, M. G.; Hogan, T. P. (Affiliation: Dept. of Elec. and Comp. Engineering, Michigan State University, East Lansing, MI, United StatesCorrespondence Address: Loo, S.Dept. of Elec. and Comp. Engineering, Michigan State University, East Lansing, MI, United States, 2002)
      New thermoelectric bulk materials such as CsBi4Te6 have shown superior properties to traditional materials, however, optimal performance requires continuing investigations of doping and alloying trends. A recently modified ...
    • 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  

      Structural features of ball-milled nanostructured K2Bi 8Se13 thermoelectric material 

      Lioutas, C. B.; Hatzikraniotis, E.; Ioannou, M.; Paraskevopoulos, K. M.; Kyratsi, Theodora (2011)
      In this work, K2Bi8Se13 material was ball-milled in order to develop nanostructures through the modification of structural features. Structural changes during ball-milling were followed by powder X-ray diffraction measurements, ...
    • Article  

      Integrated, feed-forward hybrid electric vehicle simulation in SIMULINK and its use for power management studies 

      Lin, C.-C.; Filipi, Z.; Wang, Y.; Louca, Loucas S.; Peng, H.; Assanis, D.; Stein, J. (2001)
      A hybrid electric vehicle simulation tool (HE-VESIM) has been developed at the Automotive Research Center of the University of Michigan to study the fuel economy potential of hybrid military/civilian trucks. In this paper, ...
    • Article  

      A Frequency-Based Interpretation of Energy-Based Model Reduction of Linear Systems 

      Louca, Loucas S. (2016)
      Various modeling techniques have been proposed in order to make modeling a more systematic procedure and to facilitate the development of modeling software that provide users, even experienced users, more ease when developing ...
    • Article  

      Impurity-induced antiferromagnetic order in the Haldane-gap compound (formula presented) (formula presented) 

      Lappas, A.; Alexandrakis, V.; Giapintzakis, John; Pomjakushin, V.; Prassides, K.; Schenck, A. (2002)
      An investigation of the effect of nonmagnetic Mg doping in the Haldane gap system (formula presented) is presented. Specifically, the magnetic properties of the quasi-one-dimensional compound (formula presented) (formula ...
    • Book Chapter  

      Application of a New Algebraic Structure-Based Model to Rotating Turbulent Flows 

      Langer, C. A.; Kassinos, Stavros C.; Haire, S. L. (Elsevier, 2005)
      This chapter discusses application of a new algebraic structure-based model to rotating turbulent flows. A primary goal of Reynolds averaged Navier-Stokes (RANS-based modeling is to determine the Reynolds stress tensor in ...
    • Article  

      Synthesis, crystal structure and thermoelectric properties of a new metal telluride Ba3Ag3InTe6 

      Lee, M.-Y.; Bilc, D. I.; Symeou, E.; Lin, Y.-C.; Liang, I.-C.; Kyratsi, Theodora; Hsu, K. F. (2017)
      A new metal telluride Ba3Ag3InTe6 was synthesized by a solid-state reaction at 650 °C. Crystal data: Orthorhombic, Cmc21, a = 4.5669(3) Å, b = 27.9366(16) Å, c = 13.3819(8) Å, V = 1707.3(2) Å3, and Z = 4. This compound ...
    • Article  

      Linear analysis of generalized turbulent hyperbolic flow in a rotating frame 

      Langer, C. A.; Akylas, Evaggelos; Kassinos, Stavros C. (2007)
      We apply inviscid rapid distortion theory to the generalized case of turbulent hyperbolic flow in a rotating frame and investigate the dependence of the evolution of the turbulent kinetic energy on the frame rotation rate. ...
    • Article  

      Dynamic contrast enhanced ultrasound assessment of the vascular effects of novel therapeutics in early stage trials 

      Leen, Edward; AVERKIOU, MICHALAKIS A.; Arditi, Marcel; Burns, Peter; Bokor, Daniela; Gauthier, Thomas; Kono, Yuko; Lucidarme, Olivier (2012)
      Imaging is key in the accurate monitoring of response to cancer therapies targeting tumour vascularity to inhibit its growth and dissemination. Dynamic contrast enhanced ultrasound (DCE ultrasound) is a quantitative method ...
    • Article  

      Impurity-induced antiferromagnetic order in the Haldane-gap compound PbNi2-xMgxV2O8 (x=0.24) 

      Lappas, A.; Alexandrakis, V.; Giapintzakis, John; Pomjakushin, V.; Prassides, K.; Schenck, A. (2002)
      An investigation of the effect of nonmagnetic Mg doping in the Haldane gap system PbNi2V2O8 is presented. Specifically, the magnetic properties of the quasi-one-dimensional compound PbNi2-xMgxV2O8 (x =0.24), located in the ...
    • Article  

      Contrast-enhanced 3D ultrasound in the radiofrequency ablation of liver tumors 

      Leen, Edward; Kumar, Senthil; Khan, Shahid A.; Low, Gavin; Ong, Keh Oon; Tait, Paul; AVERKIOU, MICHALAKIS A. (2008)
      Liver metastases and hepatocellular carcinomas are two of the most common causes of cancer deaths in the world. Radiofrequency ablation (RFA) is a well recognized, effective and minimally invasive means of treating malignant ...
    • Article  

      Flow, Turbulence and Combustion: Preface 

      Leschziner, M. A.; Rodi, W.; Kassinos, Stavros C. (2009)
    • Conference Object  

      Thermoelectric properties of K 2Bi 8Se 13-xS x solid solutions 

      Kyratsi, Theodora; Lal, S.; Hogan, T.; Kanatzidis, M. G. (Affiliation: Department of Chemistry, Michigan State University, East Lansing, MI 48824, United StatesAffiliation: Department of Mechanical and Manufacturing Engineering, School of Engineering, University of Cyprus, Nicosia, CyprusAffiliation: Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, United StatesCorrespondence Address: Kyratsi, T.Department of Chemistry, Michigan State University, East Lansing, MI 48824, United States, 2006)
      Derivatives of β-K 2Bi 8Se 13 are an interesting series of materials for thermoelectric investigations due to their very low thermal conductivity and highly anisotropic electrical properties. Up to now substitutions on the ...
    • Article  

      Investigation of the Relationship of Nonlinear Backscattered Ultrasound Intensity with Microbubble Concentration at Low MI 

      Lampaskis, Marios; AVERKIOU, MICHALAKIS A. (2010)
      Abstract: The aim of this study was to measure the relationship of image intensity with contrast agent concentration. In vitro experiments were performed with a flow phantom and a sulphur hexafluoride filled microbubble ...
    • Article  

      Thermoelectric module for low temperature applications 

      Lal, S.; Loo, S.; Chung, D. Y.; Kyratsi, Theodora; Kanatzidis, M. G.; Cauchy, C.; Hogan, T. P. (2002)
      The possibility of a prototype thermoelectric cooling device for operation near liquid nitrogen temperatures has been explored. In these devices, the figure of merit involves a combination of the properties of the two ...
    • Conference Object  

      Doping studies of n-type CsBi4Te6 thermoelectric materials 

      Lane, M. A.; Ireland, J. R.; Brazis, P. W.; Kyratsi, Theodora; Chung, D. Y.; Kanatzidis, M. G.; Kannewurf, C. R. (Affiliation: Dept of Electrical and Computer Eng., Northwestern University, Evanston, IL 60208, United StatesCorrespondence Address: Lane, M.A.Dept of Electrical and Computer Eng., Northwestern University, Evanston, IL 60208, United States, 2001)
      We have previously reported the successful p-type doping of CsBi4Te6 which had a high figure of merit at temperatures below 300 K. In this study, several dopants were explored to make n-type CsBi4Te6. A program of measurements ...
    • Article  

      Lattice thermal conductivity of K 2(Bi 1-zSb z) 8Se 13 solid solutions 

      Kyratsi, Theodora; Hatzikraniotis, E.; Paraskevopoulous, M.; Dyck, J. S.; Shin, H. K.; Uher, C.; Kanatzidis, M. G. (2004)
      The influence of the Bi/Sb partial substitution to the lattice thermal conductivity of the K 2(Bi 1-zSb z) 8Se 13 solid solution series was studied. The variation of the lattice thermal conductivity with comparison was ...
    • Conference Object  

      N-to-p transition on K2Bi8-xSbxSe 13 series 

      Kyratsi, Theodora; Hatzikraniotis, E.; Tsiappos, A.; Paraskevopoulos, K. M.; Kanatzidis, M. G. (Affiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1678 Nicosia, CyprusAffiliation: Department of Chemistry, Michigan State University, East Lansing, MI 48824, United StatesAffiliation: Department of Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceCorrespondence Address: Kyratsi, Th.Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1678 Nicosia, Cyprus, 2006)
      β-K2Bi8Se13 and its solid solutions have been found to be interesting for thermoelectric investigations mainly due to their low thermal conductivity and highly anisotropic electrical properties. Solid solution series of ...
    • Article  

      Seebeck and thermal conductivity analysis in amorphous/crystalline β-K2Bi8Se13 nanocomposite materials 

      Kyratsi, Theodora; Hatzikraniotis, E.; Ioannou, M.; Chung, D. Y.; Tsiaoussis, I. (2018)