書誌事項
- タイトル別名
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- Response Compensation of Fine-Wire Thermocouples and Its Application to Multidimensional Measurement of a Fluctuating Temperature Field(Thermal Engineering)
- 細線熱電対群の応答補償と変動温度場の多次元計測への適用
- サイセン ネツデンツイグン ノ オウトウ ホショウ ト ヘンドウ オンドバ ノ タジゲン ケイソク エ ノ テキヨウ
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A novel sensor technique is proposed to visualize the readily spatiotemporal behavior of a fluctuating temperature field of airflow. Two temperature probes were fabricated: one is a rod-type probe consisting of 24 two-thermocouple sensors set in line and the other is a plane-type one consisting of 64 two-thermocouple sensors arrayed on a two-dimensional grid (8×8 points). Each two-thermocouple sensor used in these probes was composed of two fine-wire thermocouples (type K) of unequal diameters, e.g., 25μm and 51μm. An adaptive response-compensation scheme was applied to accurately reconstruct rapidly-changing airflow temperatures. The plane-type probe enables visualization of fluctuating temperature fields of an artificially disturbed hot-air jet and adequate capture of the spatiotemporal behavior of a rapid circular motion of hot-air jet blown out from a hair dryer. A time-constant estimation scheme was proposed to estimate instantaneous time-constants which serve as a basis for a real-time response compensation technique for multidimensional temperature measurement. In addition, by scanning a temperature field with the rod-type probe, the temperature distribution can be reconstructed in one-dimensional space and time. This quasi two-dimensional visualization can become a prototype of a "scanner" for fluid temperature fields.
収録刊行物
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- 日本機械学会論文集Ｂ編
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日本機械学会論文集Ｂ編 76 (767), 1068-1074, 2010
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282681272235648
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- NII論文ID
- 110007682121
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
- http://id.crossref.org/issn/03875016
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- NDL書誌ID
- 10783957
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可