過度冷卻現象 的英文怎麼說
中文拼音 [guòdùlěngquèxiànxiàng]
過度冷卻現象
英文
supercooling- 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
- 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
- 冷 : Ⅰ形容詞1 （溫度低; 感覺溫度低） cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
- 卻 : Ⅰ動詞1 （後退） step back 2 （使退卻） drive back; repulse 3 （推辭; 拒絕） decline; refuse; reje...
- 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
- 過度 : excessive; over; undue; ana-; hyper-
- 現象 : appearance （of things）; phenomenon
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Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units
於此，本文以盤縣發電廠200mw汽輪機為研究對象，對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上，應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況，對200mw汽輪機快冷過程中控制指標進行分析，優化機組的快速冷卻過程，合理快冷設備、系統，優化控制曲線，分析最大熱應力值及最佳冷卻方式選擇，同時，對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進，並進行了實驗與實施。At a given cooling rate, the degree of undercooling increases with increasing overheated temperature, and tends to be constant at last. it suggests that higher undercooling can be reached by increasing the overheated temperature in a stated range. at a given overheated temperature, the undercooling increases with cooling rates within the range of measurement
在冷卻速率一定的情況下，熔體的過冷度隨著過熱度的增大而增大，而隨著過熱度增大到一定程度，熔體的過冷度趨向于常數；這說明採用dsc與助熔劑處理技術研究熔體的過冷現象時，可以通過在一定范圍內提高過熱度來獲得較大的過冷度。Abstract : by using 2 - d finite element method ( fem ) and experiment, the phenomenon of heat conduction in tc11 ti alloy compressor blade is simulated and analyzed during the post - forge cooling course, and the time _ variation characters and distribution laws of transient temperature fields of every airfoil section are obtained
文摘:運用二維有限元法和試驗方法，模擬、分析了tc11鈦合金壓氣機葉片鍛后冷卻過程的傳熱現象，得到該葉片各個翼形截面上瞬態溫度場的時變特性和分佈規律。
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