Improvements of measurement method for thermal diffusivity from infrared thermal movie
We have already reported the brand new noncontact and absolute measurement method for thermal diffusivity. In this method, thermal diffusivity was measured from IR movie of 1D thermal conduction. Unfortunately, the IR irradiation from an electric microheater had a significant effect on heat conducti...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2019-05, Vol.58 (5), p.56501 |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Okamoto, Yoichi Matsumoto, Takuya Miyata, Katsuyuki Miyazaki, Hisashi |
| description | We have already reported the brand new noncontact and absolute measurement method for thermal diffusivity. In this method, thermal diffusivity was measured from IR movie of 1D thermal conduction. Unfortunately, the IR irradiation from an electric microheater had a significant effect on heat conduction in the sample. And it could not be handled by a numerical calculation process. So the region, in which the correct value could be obtained, was narrow. To eliminate the effects of IR irradiation, we tried two ideas. One was the use of a laser as the heat source, instead of an electric microheater. The other was to attach the IR radiation suppressor to an electric microheater. As a result, the accuracy was significantly improved compared with the previous report, through the use of an IR irradiation suppressor on an electric microheater. |
| doi_str_mv | 10.7567/1347-4065/ab0b38 |
| format | Article |
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In this method, thermal diffusivity was measured from IR movie of 1D thermal conduction. Unfortunately, the IR irradiation from an electric microheater had a significant effect on heat conduction in the sample. And it could not be handled by a numerical calculation process. So the region, in which the correct value could be obtained, was narrow. To eliminate the effects of IR irradiation, we tried two ideas. One was the use of a laser as the heat source, instead of an electric microheater. The other was to attach the IR radiation suppressor to an electric microheater. 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J. Appl. Phys</addtitle><description>We have already reported the brand new noncontact and absolute measurement method for thermal diffusivity. In this method, thermal diffusivity was measured from IR movie of 1D thermal conduction. Unfortunately, the IR irradiation from an electric microheater had a significant effect on heat conduction in the sample. And it could not be handled by a numerical calculation process. So the region, in which the correct value could be obtained, was narrow. To eliminate the effects of IR irradiation, we tried two ideas. One was the use of a laser as the heat source, instead of an electric microheater. The other was to attach the IR radiation suppressor to an electric microheater. As a result, the accuracy was significantly improved compared with the previous report, through the use of an IR irradiation suppressor on an electric microheater.</description><subject>Conduction heating</subject><subject>Conductive heat transfer</subject><subject>Diffusivity</subject><subject>Infrared radiation</subject><subject>Irradiation</subject><subject>Thermal diffusivity</subject><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kM9LwzAUx4MoOKd3jwEvHqx7SZomO8rwx2DgRb2GrM1jLetSk7aw_97OyryI8OD94PO-j_cl5JrBvZKZmjGRqiSFTM7sGtZCn5DJcXRKJgCcJemc83NyEWM1tJlM2YR8LOsm-N7VbtdG6pHWzsYufPdD3W58QdEH2m5cqO2WFiViF8u-bPcUg69pucNggyuORO370l2SM7Tb6K5-8pS8Pz2-LV6S1evzcvGwSnI-T9tE5OBUxpkGrREFMp4hKMusACc017nEuUIpHEhWaOQiBaGG4FpbxgoQU3Iz6g5PfHYutqbyXdgNJw3nHJgWEvhAwUjlwccYHJomlLUNe8PAHNwzB6vMwSozujes3I0rpW9-Nf_Bb__Aq8o2RmojDchMAjNNgeILazp90Q</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Okamoto, Yoichi</creator><creator>Matsumoto, Takuya</creator><creator>Miyata, Katsuyuki</creator><creator>Miyazaki, Hisashi</creator><general>IOP Publishing</general><general>Japanese Journal of Applied Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-3823-5222</orcidid></search><sort><creationdate>20190501</creationdate><title>Improvements of measurement method for thermal diffusivity from infrared thermal movie</title><author>Okamoto, Yoichi ; Matsumoto, Takuya ; Miyata, Katsuyuki ; Miyazaki, Hisashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c294t-3c0e76218088ff3f126f07a1a30e3828c5f97f53e051d8f234037037288a11d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Conduction heating</topic><topic>Conductive heat transfer</topic><topic>Diffusivity</topic><topic>Infrared radiation</topic><topic>Irradiation</topic><topic>Thermal diffusivity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Okamoto, Yoichi</creatorcontrib><creatorcontrib>Matsumoto, Takuya</creatorcontrib><creatorcontrib>Miyata, Katsuyuki</creatorcontrib><creatorcontrib>Miyazaki, Hisashi</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Okamoto, Yoichi</au><au>Matsumoto, Takuya</au><au>Miyata, Katsuyuki</au><au>Miyazaki, Hisashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvements of measurement method for thermal diffusivity from infrared thermal movie</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><addtitle>Jpn. 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| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Conduction heating Conductive heat transfer Diffusivity Infrared radiation Irradiation Thermal diffusivity |
| title | Improvements of measurement method for thermal diffusivity from infrared thermal movie |
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