"Motoaki Utamura,Nikitin Konstantin","Characteristics of a closed cycle gas turbine with supercritical CO2 as working fluid","6th intn'l Conf. on Heat Transfer, Fluid Mechanics and Thermodynamics(HEFAT2008)",,,,,,2008,July "Motoaki Utamura,Nikitin Konstantin","Full-Scale CFD Simulation of Microchannel Heat Exchanger with S-Shaped Fins","The 19th Intnfl. Symposium on Transport Phenomena(ISTP2008)",,,,,,2008, "Utamura, M,Nikitin, K.,Kato, Y.","A generalized mean temperature difference method for thermal design of heat exchangers","Int. national conf. on nuclear safety and education",,,,,,2007,Sept. "‰F‘½‘Ί Œ³Ί,ƒjƒLƒ`ƒ“ ƒRƒ“ƒXƒ^ƒ“ƒ`ƒ“,‰Α“‘ ‹±‹`","”MŒπŠ·Šν‚̐«”\‰πΝ‚Ι‚¨‚―‚ι‘ΐ”•½‹Ο‰·“x·–@‚Μˆκ”Κ‰»","‘ζ44‰ρ“`”MƒVƒ“ƒ|ƒWƒ…[ƒ€",,,,,,2007,May "Motoaki Utamura,Yasuyoshi Kato,Konstantin Nikitin,Ngo T., L.,Takao Ishizuka","Empirical correlations for thermal-hydraulic characteristics of compact heat exchangers with microchannels","5th Korea-Japan Symposium on Nuclear Thermal-Hydraulics and Safety",,,,,"pp. 733-740",2006,Nov.