unsteady temperature field 中文意思是什麼

unsteady temperature field 解釋
非定常溫度場
  • unsteady : adj. 1. 不穩固的。2. 不堅定的；動搖的；易變的，反復無常的，不可靠的。3. 行為古怪的；品行不好的。vt. 使不穩定，使動蕩。adv. -ily ,-iness n.
  • temperature : n. 1. 溫度，氣溫。2. 體溫。3. 〈口語〉發燒，高燒。
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. In the article, the mechanism of temperature field has been researched and the math model of 3d unsteady temperature field is established according to analyze the cracking reason, produce mechanism of temperature crack, the specialty of crack in mass concrete. the thermal conduction equations are converted into extremum of functional analysis through calculas of variations

    本文通過對大體積混凝土裂縫的成因，溫度裂縫的產生機理，溫度裂縫的特點，研究了大體積混凝土溫度場機理，建立了數學模型，並用變分原理將三維瞬態溫度場的熱傳導方程問題轉化為泛函的極小值問題。
  2. Abstract : based on the heat equilibrium fundamental theory and the unsteady heat transmit equation, a numerical model of temperature field of an underwater oil storage tank was established. the numerical prediction was obtained and compared with the experimental data. the result has shown a good agreement between them

    文摘:基於對儲油罐模型試驗和溫度場變化規律的大量實測數據，並對相關參數進行優化分析，依據熱平衡基本原理和導熱微分方程，用有限差分法對非穩態傳熱進行數模計算，得到了與實驗值吻合較好的油罐溫度場計算結果，為工程設計提供依據。
  3. Dynamic thermal stress distribution in the neighborhood of a cavity in an unsteady temperature field

    非穩態溫度場中孔附近的動熱應力集中
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