distortion of flow 中文意思是什麼

distortion of flow 解釋
流型畸變
  • distortion : n. 1. 歪扭,扭曲。2. 【電學】(信號、波形等的)失真;【物理學】(透鏡成像產生的)畸變;【醫學】扭轉,變形。3. 竄改,歪曲,曲解。adj. -al
  • of : OF =Old French 古法語。
  • 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. By the calculating of the distorted models and the undistorted model of the circumfluence, the effect of the distortion ration on the flow is analyzed

    採用平面二維模型,在數學模型的基礎上,計算變率使河工模型彎道水流在相似性上產生的影響。
  2. We thought that the flown line ' s distortion to the same direction is one of necessary condition to spiral flow. the mechanism of spiral flow we deduced can explain many phenomena, we prepare to declare patent of the set of spiral flow generator which invented in the paper. our conclusion is based on experiment, it can offer foundation to advanced research

    本研究的結論是在實驗的基礎上得來,具有一定的推理性質,它為今後進一步的深入研究提供武漢理工大學碩士學位論文實驗的基礎上得來,具有一定的推理性質,它為今後進一步的深入研究提供了一個基礎,也有待於今后進一步的驗證。
  3. When there are struts at the divergent parts of inlet, the total pressure recovery coefficients and the kinetic energy coefficients of inlet decrease, and the flow distortion index increases obviously

    當進氣道擴壓段有側向支柱存在時,進氣道總壓恢復系數和動能系數均有所降低,而流場畸變指數則顯著增大。
  4. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  5. These thrust losses may be very large if the inlet flow distortion is in the order of 15 to 20 percent.

    若進口流場的畸度在15-20范圍內的話,則推力損失就可能十分巨大。
  6. The results prove that : ( 1 ) when the mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase

    研究結果表明: ( 1 )地面工作狀態下,隨著出口馬赫數的增加,蛇形進氣道出口截面的總壓恢復系數不斷下降,而穩態周向畸變指數、紊流度和綜合畸變指數均上升,穩態徑向畸變指數變化不大。
  7. It study carefully the distortion of the remote sensing imagery, the rectification of the radiant quantity, the rs image strengthen and the color fusion. based on these achievements above, we do experiment on the differential rectification, the rs image fusion, the object determining and the exchange for the different format data, propose the plan and flow chart of the terrain map rectification by the rs imagery. we demonstrate the method for the target location and the direction outside by the rs imagery and how to select the reference point and read the information of the rs imagery

    本文闡述了利用航天遙感影像進行1 : 25萬地形圖數據庫更新的必要性和可行性,在對spot和landsat遙感影像特性進行分析的基礎上,對航天遙感影像的系統變形、輻射量校正和影像增強與彩色融合等內容進行了認真研究,並在此基礎上對航天遙感影像數字微分糾正、影像融合、地物判讀、數據庫數據格式轉換、基於遙感影像的地形圖修測等方法進行了具體試驗,提出了利用遙感影像進行地形圖修測的具體方法和作業流程。
  8. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  9. Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development

    在過去的幾十年裡,雖然人們對高層建築風效應的了解已有顯著提高,但對大氣流場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均流場的奇變、流動分離、旋渦形成以及紊流的發展,不僅使得流向建築物的風,而且使得繞建築物的流譜變得十分復雜。
  10. Exploring attenuation of steady circumferential pressure distortion of axial flow compressor with axial fan stage

    風扇級負荷對其進口總壓畸變響應特性影響研究
  11. The cubic law which describe the law of fluid flow in fracture is based on parallel plate joint model, in this paper the cubic law is modified and non - parallel wedge - shaped joint fluid flow equation is formed, coupling relation between seepage and stress is given based on permeability and joint distortion as the linkage between two field, while the coupling mechanism is simple and explicit

    描述裂隙水流運動規律的立方定律是建立在平行板裂隙模型基礎上得出的,本文對立方定律進行了修正,推導了非平行楔形裂隙水流方程,根據滲透性和裂隙面變形關系給出了單裂隙滲流與應力耦合公式,耦合的機理十分簡單、明確。
  12. The experimental results show that the unsteady flow frequency domain performances of the axial flow compressor will be varied with mass flow, rotating speed, blade row spacing and inlet distortion

    實驗結果表明,工作流量、工作轉速、動?靜葉排軸向間距以及進氣畸變均對壓氣機的非定常頻譜特性產生影響。
  13. The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return

    對于相對滑動的粗糙表面,因實際接觸面積小而導致接觸壓力很大,這樣使得熱流密度會很大,同時由於滑動時間很短,熱來不及傳導,最高溫度發生在摩擦表面,在垂直於摩擦面的方向有很大的溫度梯度,使得熱應力很大,且最大應力發生在表面,同時產生熱彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。
  14. The calculated value of shear force model fit well with the experimental results. it means that compare to the tensile stress during squeeze flow the shear stress can be omitted especially when the molding rat e is low and distortion rate is low

    拉伸粘度模型的計算結果與實驗結果吻合得相當好表明:在合模速率不大或變形率不是很大的情形下,擠壓流動過程中剪切力相對于拉伸應力可以忽略。
  15. With development of high - speed missile imaging detection aero - optical effects, certain accomplishments on theoretical analysis have been obtained. the laboratory test system needs to be built to vertify the correctness and validity of theory. at the same time, to study the transient influence of high - speed flow on image transmission, an aero - optical effect experiment of wind tunnel is needed furtherly on the foundation of the transform of wind tunnel, in order to use the researching accomplishment of aero - optical effects in the aero - optical distortion image adjustment evaluation

    隨著高速導彈成像探測氣動光學效應機理研究工作的深入開展,在理論分析上取得了一定的成果,需要搭建實驗室試驗系統來驗證理論的正確性和有效性,同時為了較真實地研究高速流場對圖像傳輸的瞬態影響效應,需要在風洞改造的基礎上進一步進行氣動光學效應風洞試驗,期望將獲得的氣動光學效應研究工作成果用於氣動光學畸變圖像校正效果的評估。
  16. The paper consider bone tissue as an biphasic porous medium, which is composed of solid bone matrix and liquids as extracellular fluid. on the other hand, bone tissue can produce electric potential when it is subjected to outside force. so dynamic governing equations can be established through combining the biphasic porous medium model and the streaming potential model, which describe the coupling between the distortion and fluid flow as well as the streaming potential

    論文首先考察了骨組織的生理形態結構及其組成,據此將骨組織模型化為一種由固體骨基質和由細胞外液和血液等組成的液體所構成的兩相飽和多孔介質,並進一步假設固體骨質為各向同性彈性介質,而孔間流體為理想流體;另一方面,骨組織在受到應力作用變形后能夠產生電位。
  17. The edge of a group of blood is visible and easy to track. there is little distortion of the shape of a group of blood between two frames. there are many methods to measure blood velocity such as optical flow techniques [ 40, 44, 45 ], using fluorescent images [ 42 ], template matching method [ 17 ] and so on [ 43 ]

    大血管的情況復雜一些,第一類血管的血液和周圍的組織都很復雜(見圖3 . 1 ) ,這類血管有些血液和組織還很相似,特徵是流速比較低,細胞團塊邊緣清晰,在一定時間內的形變較小,本文用模板匹配法,較好的測量出這類血液的流速。
  18. These thrust losses may be very large if the inlet flow distortion is in the order of 15 to 20 percent

    若進口流場的畸度在15 - 20范圍內的話,則推力損失就可能十分巨大。
  19. The initial solutions of two - dimensional harmonic waves are given by landau expansion and the mean - flow - distortion is calculated by the approximation equation. furthermore, we employ iteration method and “ predictor - corrector approach ” to solve the nonlinear equations in order to implement the marching procedure, and the result of nonlinear two - dimensional stability is obtained precisely. the effect of pressure gradient is also studied here

    文中所發展的數值方法,包括採用landau展開給出二維諧波的初始解、模擬流場的均流變形以及採用迭代和預估校正方法實現非線性方程的求解和推進,得到了二維擾動的非平行非線性穩定性的精確結果。
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