ねじれ,巻き,超巻き繊維によるトルション冷却

Run Wang¹, Shaoli Fang², Yicheng Xiao¹

¹State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

Science (New York, N.Y.)

|October 12, 2019

まとめ

ゴムや釣り糸のようなねじれた繊維は機械的な伸縮で効率的な冷却を実現する新しい方法を提供しますこのトウィストベースの冷却は,従来の冷却方法の有望な代替手段です.

科学分野:

材料科学
熱力学について
機械工学

背景:

従来の蒸気圧縮冷却はエネルギー密集的で高価です.
大規模と小規模の両方で代替的な冷却方法が必要です.
機械的変形中の固体のエントロピーの変化は,新しい冷却の可能性を提供します.

研究の目的:

歪んだ繊維の機械的な伸縮による冷却効果を調査する.
蒸気圧縮システムの代替として,トウィストベースの冷却の可能性を調査する.
トゥースター強化冷却の背後にあるメカニズムを分析する.

主な方法:

天然ゴム,ニッケルチタン,ポリエチレンなどの繊維の伸縮と巻き込み
超巻き繊維を作るために逆の回転と回転のキラリティを使用します
流水を冷却するためのツィストベースの装置の開発と試験.
軸とスプリングインデックスの依存性を理解するための機械的計算を行う.

主要な成果:

伸縮した繊維の回転の変化により,高い冷却効果が観察されました.
スーパーコイルされた天然ゴムとコイルされた釣り糸の繊維は,伸縮時に冷却を示した.
タービストベースの装置が実証され,高い冷却エネルギーと装置の効率を達成しました.
機械的な計算により,ポリエチレンの相変換におけるトウィスト強化冷却の起源が明らかになった.

結論:

繊維の回転強化冷却は,実行可能で効率的な冷却メカニズムです.
この技術は従来の冷却に代わる低コストで高効率な技術です
機械的な分析により,トウィストベースの冷却装置を最適化できます.

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