wake simulation 中文意思是什麼

wake simulation 解釋
伴流模擬
  • wake : n 威克島〈北太平洋〉(=Wake Island )。vi ( woke waked waked woken )1 醒,醒來;醒著。2 警覺,...
  • simulation : n. 假裝;模擬;裝病,裝瘋;【生物學】擬態,擬色。
  1. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口,利用fluent模擬分析和比較罩蓋噴霧流場,並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性,模擬結果表明:結構改進后的罩蓋噴霧流場得到改善,其減少霧滴飄失的效果好於原罩蓋,更優于常規無罩蓋噴霧。
  2. Based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc. there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave

    本文首先對于研究的意義和國內外研究的現狀做了簡要的介紹,再從某工程背景出發,通過對e3發動機高壓渦輪內流場的數值模擬,研究了干涉的周期性的問題,以及渦輪級內常見的非定常現象:激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導向器尾緣會出現兩道激波,在吸力面的激波可稱為「運動」激波,壓力面的激波可稱為「定常」激波。
  3. Enhanced unsteady and nonlinear rotor wake model for real - time flight simulation

    一種適合飛行模擬應用的非定常非線性旋翼尾跡增強模型
  4. Numerical simulation of unsteady vortex in the wake of cascade flow

    葉柵流場尾跡中非定常渦系的數值模擬
  5. Wake vortex separation standards are used to prevent hazardous wake vortex encounters which mainly found in the final approach course within the airport termination zone. firstly, this paper analysis the mechanism of the vortex decay and research the influence on the safety of the flight ; then. several different radar wake vortex separation standards are compared and some basic guidelines are developed to establish the future vortex standards. in addition, one kind of advance vortex classification for the civil airplane is proposed. secondly, an encounter hazard model which established for the following aircraft and a simple vortex decay model which mostly concern with the proceeding one are developed ; and a safe separation model can be derived from the both. finally, through the simulation calculation, the correctness of the vortex classification of different types of aircrafts are tested and proved

    本課題對雷達管制條件下的最小尾流間隔標準進行了較為詳細的分析和研究;首先對尾流的形成和消散機理以及尾流對飛行安全的影響做出了詳細的分析,然後就目前實行的幾種不同的最小尾流間隔標準進行了比較和分析,提出了相關的幾條準則和一種改進的機型尾流分類標準;在這之後,採用理論分析和統計數據分析相結合的方法,建立了尾流危險遭遇基本模型和尾渦消散模型;並在此基礎上對民用航空不同機型的尾流分類的合理性進行了計算和評估,為最小尾流間隔標準的確定和改進提供了初步的理論依據。
  6. Large eddy simulation of gas - particle two phase turbulence was carried out, such as simulation of two - dimensional gas - particle two phase wake, two - dimensional gas - particle two phase jet and three - dimensional gas - particle two phase rectangular jet. in these works, les was adopted to simulate gas phase flow and lagrangian approach was utilized to simulate the particles " motion. a series of significant and interesting results were obtained

    文中對二維氣粒兩相平面尾跡流場、二維氣粒兩相平面射流流場以及三維氣粒兩相矩形射流流場中的氣相流場進行了大渦模擬、對顆粒運動擴散採用lagrangian模擬研究后,取得了一系列具有重要的理論意義和實際意義的研究成果。
  7. Based on theoretic analysis and adopted computer simulation, this thesis has made an in - depth study of the ship wake features, the synthetic aperture radar ( sar ) imaging mechanism of wakes, the simulation of sar imaging of wakes, the optimal observing conditions of sar and other related problems. it is the fundamental research work of ship wakes detection and of ship ' s moving parameters inversion

    本論文以理論分析為基礎,採用計算機模擬模擬的方法,深入地研究了艦船尾跡特徵、尾跡的sar成像機理、尾跡成像模擬、 sar的最佳尾跡觀測條件以及一些相關的問題,為sar對艦船尾跡檢測、運動參數反演的方法和實現技術開展前期基礎性研究。
  8. 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。
  9. 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
  10. Firstly, the numerical simulation was performed on the fuselage by solving the incompressible n - s equation. secondly, with the aid of flow visualization and seven - hole probe experiment on the fuselage, the afterbody wake flow was investigated clearly

    機身後體屬于機身的一部分,本文首先進行了單獨機身的數值計算,得到了機身表面的壓力分佈;其次,本文對單獨機身模型進行了實驗研究。
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