dynamics of gas flow 中文意思是什麼

dynamics of gas flow 解釋
氣體動力學
  • dynamics : n. pl. 1. 〈用作 sing. 〉 力學；動力學。2. 動力，原動力。3. 動態。4. 【音樂】力度強弱法。
  • of : OF ＝Old French 古法語。
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如，非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明，帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性；其二，證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  2. The flow characteristic of rarefied gas is very complicated in its dynamics problem

    稀薄氣體的流動是一個復雜的稀薄氣體動力學問題。
  3. Lattice bgk ( lbgk ) method is a very novel numerical method. it develops on the basis of the lattice gas automaton. the successful simulations of fluid flow by the lbgk method have demonstrated its wide applications in the computational fluid dynamics

    Latticebgk ，簡稱lbgk ，是一種非常新穎的數值計算方法，它在格子氣（ latticegasautomaton ，簡稱lga ）的基礎上發展而來，並已在計算流體力學中得到廣泛的應用，它可以用來模擬各種流動現象。
  4. Based on the comprehensive analyses of the various solutions in rarefied gas dynamics and the fact in this research, the modeling and calculation for the flow in micro nozzle are carried out by using the direct simulation monte - carlo method, and the analysis of internal flow variations under some different working conditions are performed

    在綜合考慮了稀薄氣體動力學問題各種解法和本課題實際研究的基礎上，本文採用直接模擬蒙特卡羅方法（ dsmc ）對微噴管內流場進行建模和計算，並分析了各種工況下的內流場變化。
  5. Cauchy problem for linearized system of two - dimensional isentropic flow with axisymmetrical initial data in gas dynamics

    二維等熵流的線性化方程的具軸對稱初值的柯西問題
  6. Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed

    本文在汽車排氣后處理裝置工作過程研究方面，運用計算流體動力學軟體，對催化轉化裝置氣流場開展了模擬，得出了氣體速度場和壓力場的分佈情況，提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。
  7. A straight inlet baghouse which can effectively reduce energy consumption of equipment in operation and lengthen the service life of fabric bags, as well as gas flow structure in the tank body have been presented, and numerically simulating the gas flow distribution in the tank body being carried out by using calculated flow dynamics ( cfd ) method, providing a method and parameters for adjusting the gas distributing plates structure to realize reasonable flow rate distribution in the tank body

    摘要介紹了能有效降低設備運行能耗、提高濾袋壽命的直通式袋式除塵器及其箱體氣體流通結構，並利用cfd方法對箱體流量分配和氣流分佈進行數值模擬，給出了實現箱體流量合理分配的氣流分佈板結構調整方法和參數。
  8. The unstable gas stream is characterized by oscillations with transient velocities of about + 100 m / s and frequencies from 50 - 200h /. the enhanced mixing and transport processes lead to a highly efficient moisture evaporation rate during pulsating spray drying. the computational fluid dynamics ( cfd ) method was used for the analysis and investigation of flow, temperature and humidity fields in a pulsating flow spray - drying chamber

    長期以來，對噴霧乾燥過程進行了各種試驗和模擬研究，但這些研究並不能揭示噴霧乾燥室內氣體運動狀態，顆粒群的運動軌跡和各種熱力學參數分佈信息，常規的測試手段又很難測得，而這些參數分佈信息對乾燥器沒計和過程優化具有重要指導作用。
  9. Based on it, the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed. the conclusion is reached, that the design scheme of small ejecting coefficient, high ejecting mach - number, combustion - gas driving should be adopted to develop high performance, high compression - ratio prs. thirdly, the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow

    接著，推導了超聲速引射器各種一維理論模型，並應用一維理論公式分析、比較了各種超聲速引射器的性能及其變化規律，全面探討了各設計參數對超聲速引射器性能的影響，得到了高性能、大壓縮比引射器系統應該採用小引射系數、高引射馬赫數、燃氣引射、優化超聲速引射器設計方案的結論。
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