紊流效應 的英文怎麼說
中文拼音 [wènliúxiàoyīng]
紊流效應
英文
turbulence effect- 紊 : 形容詞(紊亂) disorderly; confused
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 紊流 : burble
- 效應 : [物理學] effect; action; influence
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Based these researches acquired and using a mathmatical model, this thesis tries to research the contaminant concentration distributions of three - dimention indoor turbulent flow by means of computational fluid dynamics and heat transfer, and then works out the ventilation efficiency
本文企圖在前人的基礎上,通過建立相應的數學模型,用流體流動數值計算方法來模擬室內三維的紊態氣流中的污染物濃度分佈,進而分析計算室內的通風效率,得出通風效率較好的室內氣流組織形式。Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development
在過去的幾十年裡,雖然人們對高層建築風效應的了解已有顯著提高,但對大氣流場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均流場的奇變、流動分離、旋渦形成以及紊流的發展,不僅使得流向建築物的風,而且使得繞建築物的流譜變得十分復雜。The international wind engineering circle has emphasized the studies on this area to the refinement of nonlinear wind - induced vibrations, the precise identification of aerodynamic parameters for structures as well as the real simulation of natural turbulent flow field for wind tunnel tests
國際風工程界對結構風效應的研究已著重於非線性風致振動的精細化,結構氣動參數的精確識別以及為風洞試驗所需的紊流風場的真實模擬。Referred and analyzed the developing and researching achievement of high turbulent combustion chamber on diesel engine in the world, the grooved combustion chamber is designed and developed based on the rationale of designing high turbulent combustion chamber and employed the effect of the grooved of the combustion chamber wall on the spray impingement
在分析和參考國內外柴油機高紊流燃燒系統開發研究成果的基礎上,根據高紊流燃燒室設計的理論基礎,利用矩形環槽對燃油噴霧撞壁效應能加速混合氣形成的機理,設計開發了在燃燒室側壁上加工有矩形環槽的燃燒室方案。In order to probe into the anti - friction mechanism and effectiveness of turbulent zone of flexible pipe, extensometer with high accuracy and high - frequency response characteristics is used to study the frequency variation feature of flexible pipe ' s outer diameter with reynolds number
摘要為探討柔性管的紊流區域減阻效果的產生機理,採用高精度高頻率響應特性的應變儀對柔性管外徑隨雷諾數的頻率變化特性進行了研究。This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe
針對現有的靜態模擬演算法存在的錯誤和不足,提出了一種更為精確的模擬演算法,該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外,還考慮了變徑管道在變截面處存在節流效應等問題。By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design
摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。Turbulent bl structure : wake, wall layers. inner, outer variables. effects of roughness
25紊流邊界層結構:尾流,壁面層,內、外變數。粗糙度效應。Abstract : based on the turbulent flow kinetics theory the paper describes astudy on two - region flocculation model, the turbulent region is the dominant effect of fiocculation speed, the transition region is the dominant effect of scale and compactness of floculating body, and the order magnitude of available energy disipation and controlling index is put forward
文摘:應用紊流動力學原理,分析紊流條件下兩區絮凝模型,提出紊流區主導絮凝速率,過渡區主導絮凝體的成長尺度及密實度,導出了有效能耗的量級及絮凝控制指標。分享友人