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- The Prandtl mixing length theory was corrected and redefi ned and the distribution function of air velocity in tunnel derived by the autho r, and the function is used as a theoretical foundation to study ventilation proc ess in tunnel. 筆者修正并重新定義了普朗特混合長(cháng)度理論,推導出巷道中風(fēng)流速度的分布函數,并將該函數用作研究巷道通風(fēng)過(guò)程的理論基礎。
- Based on these calculations, the authors analyze the science-practical nature of the Prandtl Mixing Length hypothesis, the momentum-transport theory, the Karman Similarity theory and the Taylor Vorticity Transport theory. 對卡門(mén)常數和普朗特混合長(cháng)度進(jìn)行了理論計算,并據此分析和論證了普朗特混合長(cháng)度假說(shuō)與動(dòng)量傳遞理論和卡門(mén)關(guān)于紊流局部運動(dòng)相似理論以及泰勒的渦旋傳遞理論的科學(xué)性和實(shí)用性。
- prandtl mixing length 普朗特混合長(cháng)度
- mixing length theory 混合長(cháng)度理論
- It is well-known that in microscale fluidic mixing is extremely difficult, and requires long mixing time as well as long mixing length. 本研究設計新型魚(yú)脊式微型混合器，在流道底部設置流道規律變化的魚(yú)脊狀凹槽結構。
- The multihole nozzle ejector has lower noise and higher entrainment performance than the reference ejector at the ratios of medium and short mixing length. 最佳引射性能的多孔噴管引射器與參考引射器相比,在具有中等和較短混合室長(cháng)度比時(shí),不僅噪聲可顯著(zhù)降低且引射性能亦可得到提高。
- Watanabe, T. and J. Kondo, 1990: The influence of canopy structure and density upon the mixing length within and above vegetation, J. Meteor. Soc. Japan., 68, 227-235. 最后推薦一篇關(guān)于冠層模型的文章，比較早，但我覺(jué)得很好。沒(méi)有電子版，有日本氣象學(xué)會(huì )雜志的同學(xué)能否做點(diǎn)貢獻。
- My walking stick is the same length as yours. 我的拐杖和你拐杖長(cháng)度一樣。
- Don't mix up this pair of synonyms. 別把這兩個(gè)近義詞混淆了。
- This car will turn in its own length. 這種汽車(chē)可以在自身長(cháng)度范圍內掉頭。
- I arrived at that city at length. 我最終到達了那個(gè)城市。
- Don't try mixing it with me-- I've got a gun! 別想跟我打架－－我可有槍。
- He finds it hard to mix at parties. 他感到很難在聚會(huì )上與人攀談。
- This river is ten times the length of that River. 這條河的長(cháng)度是那條河的十倍。
- She paced out the length of the room. 她用步子測量了房間的長(cháng)度。
- The old man decided not to mix in politics. 那位老人決定不參與政治。
- He fished a length of string out of his pocket. 他從口袋里掏出一條繩子。
- You spend a ridiculous length of time in the bath. 你洗澡用那麼長(cháng)時(shí)間，真不像話(huà)。
- Don't try mixing it with me -- I've got a gun! 別想跟我打架--我可有槍?zhuān)?/li>
- Promotion will go by length of service. 晉升以服務(wù)年限為準。
