Search Results - "Gkountas, Apostolos A."

A Computational Study on Magnetic Nanoparticles Hyperthermia of Ellipsoidal Tumors by Polychronopoulos, Nickolas D., Gkountas, Apostolos A., Sarris, Ioannis E., Spyrou, Leonidas A.

“…The modelling of magnetic hyperthermia using nanoparticles of ellipsoid tumor shapes has not been studied adequately. To fill this gap, a computational study…”
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Preliminary Design and Numerical Investigation of a Centrifugal Compressor for Supercritical Carbon Dioxide Operating in the Vicinity of Its Critical Thermodynamic State by Aretis, Georgios R. K., Gkountas, Apostolos A., Koubogiannis, Dimitrios G., Sarris, Ioannis E.

“…Waste heat recovery is one of the main practices used to reduce the carbon footprint of the industrial sector regarding environmental concern. The…”
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Recuperators investigation for high temperature supercritical carbon dioxide power generation cycles by Gkountas, Apostolos A., Stamatelos, Anastassios M., Kalfas, Anestis I.

“…•Steady-state modeling of s-CO2 recompression cycle comparing two different tools.•Segmental design method and analysis of PCHE recuperators.•Heat transfer and…”
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Simulation of magnetic nanoparticles crossing through a simplified blood-brain barrier model for Glioblastoma multiforme treatment by Gkountas, Apostolos A., Polychronopoulos, Nickolas D., Sofiadis, George N., Karvelas, Evangelos G., Spyrou, Leonidas A., Sarris, Ioannis E.

“…•Numerical investigation of the MNPs passing through the blood-brain barrier (BBB).•A control volume method is used to analyze the flow characteristics into…”
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Numerical Analysis of Temperature Distribution in Ellipsoidal Tumors in Magnetic Fluid Hyperthermia by Polychronopoulos, Nickolas D., Gkountas, Apostolos A., Sarris, Ioannis E., Spyrou, Leonidas A.

“…The goal of the present work is to examine via computer simulations how the shape of a tumor, deviating from ideal spherical to an ellipsoidal one, affects the…”
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A printed-circuit heat exchanger consideration by exploiting an Al2O3-water nanofluid: Effect of the nanoparticles interfacial layer on heat transfer by Gkountas, Apostolos A., Benos, Lefteris Th, Sofiadis, George N., Sarris, Ioannis E.

“…•Printed-circuit optimal heat exchanger with nanolayer thickness nanofluid coolant consideration.•As nanoparticle volume fraction increases to 5%, heat…”
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Heat transfer improvement by an Al2O3-water nanofluid coolant in printed-circuit heat exchangers of supercritical CO2 Brayton cycle by Gkountas, Apostolos A., Th. Benos, Lefteris, Nikas, Konstantinos-Stefanos, Sarris, Ioannis E.

“…•Printed-circuit optimal heat exchanger with nanofluid coolant.•Nanoparticle volume fraction in the range φφ=0-5%.•As nanoparticle volume fraction increases to…”
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