尾流湍流 的英文怎麼說
中文拼音 [wěiliúliú]
尾流湍流
英文
wake turbulence-
Whenever my friends and i ran the smallest rapid, we d leave one boater at the end of the rapid and put two boaters on the banks with throw ropes
我們哪怕是經過最小的湍流，都會留一個人在湍流尾部，兩個人在岸邊用繩索拽著。Computation of three - dimensional unsteady periodical turbulent flow though a draft tube
尾水管動態計算湍流模式的選擇Hierarchical similarity in an inhomogeneous turbulent wake
矩形柱群非均勻湍尾流中的層次相似律On the basis of cold gas simulation, a numerical simulation of two - phase turbulent flow was performed employing an eulerian - eulerian approach and k - - a. p. turbulent model. the accuracy of numerical simulation was verified and evaluated by the experimental result
在冷流模擬的基礎上，對燃燒室尾部的兩相湍流流場進行了數值模擬，數值模擬採用雙流體模型和k - - a . p .湍流模型。For the first time the complex separated flow in the aft - end zone was measured using pdpa technology. the whole mean and fluctuating flow field were obtained
利用pdpa測速技術首次對燃燒室尾部的復雜分離流動進行了測量，獲得了完整的時均速度和湍流脈動定量數據。The low - frequency discrete noise of the propeller is induced by the interaction between blades of the propeller and wake of the marine, and the low - frequency broadband noise of the propeller is produced by the interaction of blades and turbulent field of the marine stern
螺旋槳的低頻離散譜噪聲是由船尾伴流場和葉片的相互作用引起的，而低頻寬帶噪聲是由船尾粘性湍流場和葉片的相互作用產生的。And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.
在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。Hierarchical similarity in an inhomogeneous turbulent wake flow behind multi - rectangular pillars
矩形柱群非均勻湍尾流中的層次相似律Flow details of measurement indicate that the coupling of periodic separated flow ( such as low frequency swinging of separation line ) with nozzle flow may cause aft - end internal flow unsteady. recirculation flow gains more energy from the main flow, at the same time the turbulence intensity increases
通過對測量結果的分析，我們認為分離流動的周期性（如分離線的低頻擺動）與噴管流動相耦合，會造成燃燒室尾部流動的非穩態效應增強，增加了迴流區從主流中獲得的能量，也加劇了流場的湍流脈動。Large eddy simulation of particle wake effect and rans simulation of turbulence modulation in gas - particle flows
顆粒尾渦增強湍流的大渦模擬以及氣固兩相流中湍流變動的數值模擬At first, the generating mechanisms of four kinds of wake features are studied in the thesis. we have simulated the features of ocean surface waves, kelvin wake, narrow v wake, turbulent wake, vortex wake, and internal wake. the kinetic equation of kelvin wake have been analyzed and improved, which can be used to calculate the kelvin wake of a submerged moving body
論文首先研究了四種常見尾跡特徵的產生機理，模擬得到了海面、 kelvin尾跡、窄v尾跡、湍流和渦流尾跡以及內波尾跡特徵；改進了kelvin尾跡的動力學模型，使之能夠計算運動物體下潛后的kelvin尾跡波高分佈。Flow type of smoke fluid is turbulent gas - particle two - phase flow in rear smoke channel of power station boiler
在現行的電站鍋爐中，尾部煙道內的煙氣流動是典型的湍流氣固兩相流動。The article discusses the principle, the process circuit, the main equipment and the process practise of the cl2 containing tail gas treatment of nonferrous metallurgy - torrential rinsing and spray washing with sodium hydroxide solution
摘要論述了用堿湍沖及噴淋洗滌治理有色金屬冶煉過程中含氯尾氣的原理、工藝流程、主要設備及其生產實踐。分享友人