airflow model 中文意思是什麼

airflow model 解釋
氣流模型
  • airflow : 氣流。
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析,提出了「虛擬分支」的概念和相應的網路基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。
  2. Typical variable windfield models, such as large scale steady wind flow, downburst, turbulence, airflow over mountain, are developed and their physical specialities are discussed. furthermore, simplex modules are integrated to form complex model. facticity and application technique to flight simulation are discussed

    討論了以下幾種典型風場模型(大尺度均值風模型、 dryden紊流模型、微下擊暴流模型和過山氣流模型)的物理特徵與建模方法,並對單一模型進行復合,建立變化風場模型庫,最後討論了各種模型的真實性與如何應用於飛行模擬; 3
  3. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推導了紊流流場的數學模型,並建立了相應的有限元求解格式,應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析:解算出pcb板上各電子元件的溫度分佈;並提出了用於求解系統風道特性曲線的cfd方法。
  4. In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method

    兩方程湍流模型為基礎的壁面函數處理方法,對熱浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了熱力分層高度的計算方法,並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。
  5. Calculation results fit experimental data well. at last, in order to further discover the matching between the two systems of small - scale cold storage, phoenics - cfd general software is applied in the study on 3 - d distributions of the airflow and temperature fields in the chamber of the small - scale cold storage. buoyancy model in the simulation are considered and the results are in agreement with the experimental data

    最後,為了進一步了解小型冷庫兩個組成系統間的匹配特性,用phoenics數值計算專用軟體對冷庫內三維流場和溫度場分佈特性作了計算,並在計算中考慮浮升力的影響,計算結果與特徵點的實驗結果基本一致。
  6. This paper described a cross - flow type of indirect evaporative cooler with condensation in primary airflow. according to the heat and mass transfer performance of indirect evaporative cooler, three - dimensional mathematical model had been established. with the preprocessor gambit, the geometry and mesh generation was completed

    論文根據間接蒸發冷卻過程傳熱傳質的特點,對間接蒸發冷卻器進行了合理必要的簡化假設,應用計算流體力學( cfd )方法,建立了板式間接蒸發冷卻器的三維數學物理模型。
  7. Thirdly, according to the conservation of energy principle, this paper analyzes the relationship between the hot ? ire and the airflow rate, establishes primary model of the hot ? ire. in this paper the simple mathematical model of pfras were given out

    ( 3 )利用能量守衡的原理,分析了傳感器敏感元件中的熱線與氣流速度之間的關系,建立了熱線的基本模型,從而給出壓電射流角速度傳感器的數學模型。
  8. The modified model took into account not only the coupled heat transfer of conduction, convection and radiation, but also the heat convection between each zone caused by temperature difference and airflow

    該模型綜合了墻體熱傳導、壁面對流熱交換以及內部控制體之間的對流熱交換過程。
  9. The cold model tests were completed on the mixing characteristics between the reburning airflow and main airflow or between ofa and main airflow in a cold model test - bed according to the practice situation of 6 # boiler in jianyou power plant in sichuan provice and the requirements of industrial tests for low nox reburning test project from state electric power company. the cold simulated experimental study included : 1

    針對四川省江油電廠6 #煤粉鍋爐的實際情況,以及國家電力公司低nox再燃技術試驗項目工業試驗的具體要求,在一個四角噴燃煤粉鍋爐冷模試驗臺上,對原型鍋爐內再燃氣流和燃盡氣流( ofa )與主燃燒氣流之間的混合特性進行了冷模試驗研究。
  10. Recently in the simulation of indoor airflow, mainly adopted is the turbulence model theory, rans, which solves only the time - averaged flow field and cannot reveal the characteristics of the rapidly changing of turbulence

    目前室內氣流模擬主要採用湍流模式理論( rans ) ,但該方法求解的是時均場,體現不了湍流場瞬息萬變的特點。
  11. Control - based intake airflow dynamics model of lean burn gasoline engine

    基於控制的稀薄燃燒汽油機進氣模型
  12. Although the new model better illustrates how spiders " fly, " there is still room for refinement, and the team plans to observe spiders in turbulent airflow inside wind tunnels to improve the model

    盡管新模式能更好地解釋蜘蛛為何能「飛」 ,這里仍存在完善的空間。研究小組計劃通過觀察處于風道中強氣流里的蜘蛛進一步改進這一模式。
  13. For testing, a partial - scale model of a tested automobile is placed in a wind tunnel to get the airflow pattern around the automobile. this is a traditional method and very expensive

    試驗主要是進行風洞試驗,它是汽車空氣動力學研究的主要手段,它是發現和驗證理論和計算方法的重要手段和基礎。
  14. An air leakage points identification model in branches of ventilation system was established based on airflow balance in all nodes and pressure balance along all circuits of ventilation system

    摘要利用通風系統節點風流平衡關系和迴路阻力平衡關系構建出了分支漏風點辨識模型。
  15. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上,通過分析與比較,採用了k -雙方程模型來研究室內氣流的濃度分佈,建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型,採用控制容積法和冪函數分佈方案來離散微分方程組,按壓力藕合方程的半隱式法( simple )演算法,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序,並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行,並對調試工作做了探討與分析。
  16. A mathematical model is developed for simulating transient performance of the turbofan engine, in which the transient heat transfer between the components and airflow, tip clearance and components efficiency changes caused by heat transfer are analyzed

    摘要以某渦扇發動機的過渡態性能模擬為研究對象,建立了過渡過程中零部件與氣流之間的不穩定熱交換、由於熱交換引起的間隙變化以及引起的部件效率變化的數學模型,並且將此模型引入面向對象的航空渦扇發動機過渡過程性能模擬程序的框架中。
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