④②①②③①Specimen②Referencerods③Coolingblock④Rubberheater➄Weight⑥BalancingweightFig.1 Schematic of measuring apparatus61➄⑥Yamagata University Graduate School of Science and Engineering E-mail ：tg017@yz.yamagata-u.ac.jpResearch InterestTel ：+81-238-26-3257Heat TransferFax：+81-238-26-3257E-mail ・ tg017@yz.yamagata-u.ac.jpHP ：http://mech_okuyama.yz.yamagata-u.ac.jpTel ・ +81-238-26-3257Fax ・ +81-238-26-3257HP・http://mech_okuyama.yz.yamagata-u.ac.jpMechanical Engineering systemsThermal-fluid engineeringSEM image of EPDM added with CNFFig.2 Addition of CNF to EPDM and its effect ofthermal conductivity improvementThermal-fluid engineering Drying TechnologyFunctional Dehydrated FoodsEffect of additive amount and orientation of CNF on thermal conductivity of EPDM Temperature/Pressure/Velocity MeasurementSimulationActive Controlled BoilingSpace-Saving Liquid Cooling SystemContentContent：likeethylenepropylenedienerubber Generally, substances like ethylene propylene diene (EPDM)andgreasehavelowthermalconductivity,butitissaidthatrubber (EPDM) and grease have low thermal conductivity, thethermalconductivityofsuchsubstancescanbeimprovedbybut it is said that the thermal conductivity of such addingasubstancewithhighthermalconductivitytothem.Onthesubstances can be improved by adding a substance with otherhand,regardingthemethodofaccuratelymeasuringthehigh thermal conductivity to them. On the other hand, thermalconductivityofcompositematerialscomposedofmultipleregarding the method of accurately measuring the thermal substancesitisstillintheresearchstage.Inourlaboratory,wehaveconductivity of composite materials composed of multiple madeathermalconductivitymeasuringdevicebasedontheflatplatesubstances it is still in the research stage. In our laboratory, comparisonmethod,andhavebeenconductingresearchaimingatwe have made a thermal conductivity measuring device improvinghavebased on the flat plate comparison method, and have been experimentallyclarifiedthatthethermalconductivityofEPDMconducting research aiming at improving the measurement increaseswithaddedamountofcarbonnanofiber(CNF)toEPDM.accuracy. So far, we have experimentally clarified that the thermal conductivity of EPDM increases with added amount Appealpoint:of carbon nanofiber (CNF) to EPDM. Applyingtheknowledgeobtainedfromthisresearch,wearepromotingthedevelopmentofhigh-accuracymeasurementmethodsSpecial objectivesforthethermalconductivityofcompositematerialsandtheimprovementofthermalconductivitysuchasEPDM. Applying the knowledge obtained from this research, we are promoting the development of high-accuracy measurement methods for the thermal conductivity of composite materials Yamagata UniversityGraduate School of Science and Engineering and the improvement of thermal conductivity such as EPDM. Research Interest ：Heat Transfer The space saving high performance heat exchanger is cool laser diodes , CPU and other heating electrical devices.expected to cool laser diodes, CPU and other heating electrical devices.Research Field ：Mechanical Engineering systemsSpecialty ：Thermal-fluid engineeringResearch Field SpecialtyE-mail ：kano@yz.yamagata-u.ac.jpTel ：+81-238-26-3226E-mail ・ kano@yz.yamagata-u.ac.jpTel ・ +81-238-26-3226Fax：+81-238-26-3226Fax ・ +81-238-26-3226HP ：http://kano_lab.yz.yamagata-u.ac.jp/HP・http://kano_lab.yz.yamagata-u.ac.jp/Generally,Content：ContentSpace saving liquid cooling systems forcooling heated electric Space saving liquid cooling systems for cooling heated devices and dryers for dehydrating foods are developed with a electric devices and dryers for dehydrating foods are fundamental technology based on thermal-liquid engineering.developed with a fundamental technology based on thermal-liquid engineering. Especially, the latest technologies, such Especially, the latest technologies, such as micro-pumps without as micro-pumps without movable parts, high performance movable parts, high performance heat exchangers using boiling heat heat exchangers using boiling heat transfer are investigated transfer are investigated and applied to devices and equipments and applied to devices and equipments which are component which are component parts of the cooling systems. Theses parts of the cooling systems. Theses technology are based technology are based on the fluid control technology using precise on the fluid control technology using precise measurement measurement techniques and computational fluid dynamics. techniques and computational fluid dynamics. Realizing the Realizing the new equipments with the latest technology, an new equipments with the latest technology, an academic filed of thermal-fluid engineering is expanded into MEMS academic filed of thermal-fluid engineering is expanded into MEMS (Micro-Electro-Mechanical Systems) and Electrochemistry.(Micro-Electro-Mechanical Systems) and Electrochemistry.Appealing point: Special objectivesThe space saving high performance heat exchanger is expected to substancesthemeasurementaccuracy.Sofar,weAssociate Professor Ichiro KanoSpace-Saving Cooling and Drying SystemsSpace-Saving Cooling and Drying SystemsDevelopment of Thermal Conductivity Measurement of Complex MaterialDevelopment of Thermal Conductivity Measurement of Complex MaterialAssociate Professor Masaaki OkuyamaAssociate Professor Ichiro KanoAssociate ProfessorMasaaki Okuyama
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