momentum transfer 中文意思是什麼

momentum transfer 解釋
動量變換
  • momentum : n. (pl. momentums, -ta ) 【物理學】動量;【火箭】總沖量;〈口語〉惰性;勢頭;要素,契機。 the momentum of attack 進攻的銳氣[頸頭]。
  • transfer : n 1 移轉,轉送;調職;調任[轉學]證書;變換。2 (財產;權利等的)轉讓,讓與(證書),移轉,授受;...
  1. Radar, light, and other electromagnetic waves transfer momentum and energy through space.

    雷達、光和其它形式的電磁波將其動量和能量通過空間輸送出去。
  2. The gage deflection is due to the momentum transfer.

    壓力計的偏轉是由於動量交換的原因。
  3. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力,這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  4. Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too

    本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳熱傳質分析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型;對回熱器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。
  5. 2 ) from the analysis of the aerodynamic parameters and turbulent flux transfer under different synoptic conditions we achieve the conclusion that on sands raising and sandstorm days turbulent momentum and sensible - heat fluxes are important exchange factors in the boundary layer, with turbulent exchange stronger in sandstorm weather than both on fine and sand raising days. prior to the occurrence of such an event, in particular, the super - adiabatic instability in the near - surface boundary will reinforce sandstorm weather condition. 3 ) atmospheric turbulent diffusion parameters z and y have apparent daily variation

    沙塵天氣下以親地殼元素為主的氣溶膠元素濃度均高於背景大氣和浮塵天氣,而且沙塵天氣強度愈強,元素濃度的增加愈顯著;背景大氣、浮塵天氣條件下親地殼元素的濃度一般在10 ~ ( - 1 ) 10 ~ 0 g m ~ 3量級,揚沙、沙塵暴時一般達10 ~ 1 g m ~ 3量級,特強沙塵暴時高達10 ~ 2 g m ~ 3量級。
  6. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。
  7. An analytical model for the forced condensation of steam in the presence of noncondensable gases was proposed based on the mass, momentum and energy conservation equations of condensing mixture flow, involving the analogy between heat and mass transfer in the gas / liquid interface

    總之,蒸汽流量、空氣含量和系統壓力是影響蒸氣冷凝的重要因素。相似的基礎上,建立了豎直管內蒸氣強迫對流冷凝的一維分析模型。
  8. Orsm includes physical processes such as radiative transfer, phase changes of water substance, re - distribution of energy due to cumulus convection, transport of momentum, energy and moisture by turbulence, and exchanges between the atmosphere and the surface layer

    : orsm中的物理過程包括輻射交換水分的相變積雲對流所帶動的能量重新分佈湍流所引發的動量能量和水汽輸送大氣與地面層之間的各種交換等等。
  9. ( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed

    為解決這一難題,本文利用氣體一顆粒兩相流理論和計算流體力學( cfd )技術,建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型,並進行了脈動燃燒噴霧乾燥過程模擬,其主要內容如下: ( 1 )建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上,用標準k -模型預測乾燥室內的氣體湍流運動過程,顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡,熱質傳遞模型描述空氣和液滴的熱質傳遞過程。
  10. In order to form a stroke pattern mentioned above, i ' m assuming you ' ve moved into the ball with four steps ( steps 1, 2 ) to place the contact between the width of the feet ( step 3 ) and transfer power with linear momentum ( step 4 ) while keeping centered and balanced ( step 5 )

    為了形成上面提到的擊球模式,我假定你是使用4步法移動接近球(第1 , 2課內容) ,擊球點在兩腳寬度之內(第3課) ,使用的是線動量(第4課) ,同時保持身體的重心和平衡(第5課)
  11. The mean bulk momentum transfer coefficient cd and bulk sensible heat transfer coefficient ch is 3. 37 * 10 - 3 and 4. 47 * 10 - 3, which is slightly larger than that above desert gobi and grassland of plain and little than that above plateau. on one hand, the more unstable atmosphere is, the larger bulk transfer coefficients are under unstable conditions, on the other hand, and bulk transfer coefficients decrease as wind speed increases

    動量和感熱總體輸送系數的平均值分別為3 . 37 * 10 ~ ( - 3 )和4 . 47 * 10 ~ ( - 3 ) ,略高於沙漠、戈碩士學位論文:半干早雨養農業區陸面過程觀測試驗研究壁及平原草地的值,而低於高原的值;在不穩定時,層結越不穩定,總體輸送系數也越大,並且隨風速的增加而減小。
  12. The characteristic of surface radiation, energy balance, albedo, bulk momentum transfer coefficient cd and bulk sensible heat transfer coefficient ch between surface and atmosphere over rainfed field are analyzed based on the data of land - surface process field experiment in the dingxi arid meteorology and ecological environment experimental station

    利用中國氣象局蘭州乾旱氣象研究所定西乾旱氣象與生態環境試驗基地取得的地氣相互作用觀測試驗資料,分析了地表輻射、地表能量平衡、地表反射率、總體輸送系數等特徵。
  13. Momentum transfer equation

    動量轉移方程
  14. By calcaulating, it is shown that the form factor is very sensitive to the section when the momentum transfer is bigger

    結果表明:反應在大動量轉移的情況下,形狀因子對截面的影響比較明顯。
  15. In this paper, the continuity equation, the momentum equation, the k equation and the e equation are used to set up the theoretic model. the flow in the intake port is looked upon as the three - coordinate steady flow, but the heat transfer between the all and the flow in the intake port is n ' t considered

    本論文利用連續性方程、動量方程、 k方程、方程建立氣道流動理論模型,將氣道內流體看作三維定常流動,不考慮氣道壁面與流體之間的熱傳遞。
  16. Combining the simplified momentum equation, energy equation and state equation of compressible sticky fluid, this paper establishes the numerical model to study the heat - transfer property of the substances in super - critical waterwall tubes with the newest international water and steam standard - iapws - 97

    本文採用最新的國際水與水蒸汽標準iapws - 97 ,通過聯立求解簡化的可壓縮黏性流體的動量方程、能量方程和水與水蒸汽的狀態方程,建立數值模型研究超臨界水冷壁管內工質的傳熱特性。
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