dense gas 中文意思是什麼

dense gas 解釋
稠密氣體
  • dense : adj. 1. 密集的，（物質等）密度大的，（人口等）稠密的。2. （煙、霧等）濃密的，濃厚的。3. 愚鈍的。4. 【攝影】〈頁片〉高密度的。adv. -ly ,-ness n.
  • 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...
  1. Bubbles of gas rise through the dense phase, erupt at the surface.

    從密相升起的氣泡，在表面上爆裂。
  2. Convection above a hot surface occurs because hot air expands, becomes less dense, and rises ( see ideal gas law )

    對流段的一個熱門表面出現的，因為熱空氣的擴大，成為密度較低，而上升（見理想氣體定律） 。
  3. What new information have we gleaned about the comparatively dense gas-dust complexes of the interstellar medium over the past dozen years ?

    過去的十幾年裡，有關星際介質的較密氣塵復合體我們探明了哪些新東西呢？
  4. Dense gas serves to reduce the ionization, because it absorbs the ionizing soft x rays.

    因為濃密氣體吸收掉了使其電離的軟x射線，因此能減少電離。
  5. Numerical study on dense gas - solid two - phase turbulent flow

    可壓密相氣固兩相湍流流動的數值模擬方法
  6. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構；小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為，小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性，不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  7. Both gas and liquid fluidized beds are considered to be dense-phase fluidized beds.

    氣體和液體流化床都可以認為是密相流化床。
  8. At the center of the cloud, a hot, dense sphere of hydrogen gas held together by gravitation began to radiate

    在雲彩的中心，氫氣熱，密集的球形由萬有引力相連開始放熱。
  9. The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period

    摘要貴州水柏鐵路何家寨隧道，工程地質條件極其復雜，集「高瓦斯、強巖溶、大涌水」為一體，施工期間曾發生多次涌水涌砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災害，堪稱水柏鐵路施工難度最大的「爛洞子」 。
  10. Improved model of dense gas - particle two - phase flow

    稠密氣固兩相流動過程模擬的改進模型與應用
  11. Experimental research and numerical 1mm simulation of dense gas - solid turbulent flow

    稠密氣固兩相湍流流動的實驗和數值模擬
  12. Numerical simulation of drag force on a particle in dense gas - particle two - phase flow

    稠密氣固兩相流中單顆粒所受氣動力的數值模擬
  13. However, the effect of high particle concentration on particle collision should be taken into account in the dense gas - solid two - phase flow. at the same time, gas turbulence should be taken into account in the simulation of gas flow in dense gas - solid two - phase flow

    然而，在高顆粒濃度下顆粒碰撞對的確定需要考慮高顆粒濃度存在的影響，同時在高顆粒濃度流化床氣固兩相流動中，需要考慮氣體粘性的作用。
  14. We successfully apply the two - fluid model ( tfm ) to the study of two dimensional and three dimensional dense gas - solid flow characteristics. the results show some rules on the particle collisions and gas particle interactive influence of the vertical upward pipe

    在對高濃度氣固兩相流的研究中，成功的運用雙流體模型對兩維和三維垂直立管段進行了研究，揭示了垂直立管內的高濃度氣固流動的顆粒碰撞以及氣相和顆粒相的相互影響的一些規律。
  15. The work is mainly on numerical simulation of dense gas - solid two phase flow and the combustion and pollutant emission processes of circulating fluidized bed and w - shaped furnace applied by power plant

    本文主要對高濃度氣固兩相流和電站鍋爐中的循環流化床和w爐內的燃燒和污染物排放過程進行了較為詳細的數值模擬研究。
  16. Our work is only an attempt about the study on the dense gas - solid flow and combustion technique of cfb and w - shaped furnace. the results testify the accuracy and efficiency of the numerical simulation method ( or computer aided test method ) on the prediction and validation of the engineering flow and combustion problems

    本文的工作是對高濃度氣固多相流研究和流化床和w爐燃燒技術研究的嘗試，所取得的結果表明數值試驗方法在預測和驗證工程流動、燃燒問題方面的準確性和有效性。
  17. We successfully apply the two - fluid model ( tem ) and kinetic theory of granular flow studying the two dimensional dense gas - solid flow characteristics in the large scale circulating fluidized beds and the cold experimental system with piv. the results of simulation are in accord with others " simulation and experimental results. in the end, we make the three dimensional simulation for the cold cfb riser, which is closer to the factual operation and this experimental results

    在對高濃度氣固兩相流的研究中，根據fluent軟體現有的條件和解決工程實際問題的需要，採用單氣固相雙流體歐拉模型，採用模擬紊流固粒流中普遍接受的方法「顆粒流的運動理論（ kinetictheoryofgranularflow ） 」 ，對大尺度循環流化床進行了二維數值模擬，與他人數值模擬結果和實驗結果進行了對比，檢驗模型的準確性。
  18. Finally, the thesis employed the new combined model to simulate the dense gas - solid two - phase vertical flows, to simulate the dilute or dense gas - solid two - phase jet flows, and both of them got a satisfied numerical solution. after comparing the numerical results to experimental data, we found that they were quite agreement. it proves that the new combined model is right, accurate and reliable, and it may be suitable to simulate various dense gas - solid multiphase flows

    最後，本文利用所提出的新的組合模型，對高濃度氣固兩相立管流動進行了數值模擬；對稀相和密相氣固兩相射流進行了數值模擬；兩者均得到了滿意的數值解；將所得數值結果與相關實驗數據進行了比較，兩者十分吻合，證明了本組合法在模擬高濃度氣固兩相流動時的準確性和可靠性，並具有一定的普適性。
  19. Our work is only an attempt about the study on the application of piv techniques and numerical simulation in the dense gas solid flow of the circulating fluidized beds. the results show that the accuracy and efficiency of the piv techniques and numerical simulation method on the test and prediction of the hydrodynamics of the gas solid in circulating fluidized beds riser

    本文的研究工作是對piv技術應用於循環流化床內氣固多相流動特性測試和數值模擬的嘗試，所取得的結果表明piv技術和數值試驗方法在測試和預測氣固多相流動特性方面的準確性和有效性。
  20. On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them

    在對高濃度氣固兩相流動的系統研究基礎上，針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置，首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬，得出了爐內的流場、顆粒軌跡場、溫度場和組份場，研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。
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