surface lifting 中文意思是什麼

surface lifting 解釋
(紙張)表面剝離
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • lifting : n. 舉起;吊起;上升。
  1. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。
  2. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把升力線和升力面設計方法、基於面元法預報螺旋槳非定常性能的諧調分析方法,新剖面設計方法、有效運轉曲線計算方法組合為一套完整的非均勻流場中螺旋槳設計計算系統,經實例設計和模型試驗及實船的應用,該設計系統是可靠且有效的。
  3. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升力面方法,採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能,螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。
  4. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法,在升力線設計中計及槳葉的縱傾和側斜的影響,用優化理論求解最佳環量分佈,升力面設計中用b樣條來擬合槳葉,將物面邊界條件轉化為求法向速度分量的平方最小,由此可得到光順的槳葉幾何形狀,提高和改進了設計質量。
  5. Lastly, two conditions were simulated and computed by using the fem program : two pieces of joint and one piece of joint which have different depth, different grouting stress, different pressure on the ground surface, etc. and then some results were obtained about the relation of the grouting press, the lifting of the ground surface and the cosumptionof the injection grout

    最後,依據所編的程序對不同埋深、不同灌漿壓力、不同壓重等的單條節理裂隙的灌漿情況和兩條節理裂隙的灌漿情況進行了模擬計算,得出了一些結論:灌漿壓力、地表抬動和注漿量之間的關系。
  6. Components required to be mounted off the board are provided with lead forms at the board surface or other mechanical support to prevent lifting of solder land

    需要離開線路板安裝的組件在線路板表面利用引腳形狀或其它機械支撐來防止焊盤的翹起。
  7. Analysis of surface electromyography on repetitive lifting task - induced fatigue of back muscles

    重復性搬舉作業所致背部肌肉疲勞的表面肌電信號分析
  8. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝式和液壓式兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用重物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。
  9. Using a combination method of the lifting surface theory and acoustic technique, the effects of different diameters, skews and rakes on the discrete noise of the propeller are studied by the numerical method and some useful results for engineering are presented in this paper

    利用升力面理論和聲學方法得到的離散譜噪聲的預報公式,對螺旋槳直徑、側斜、縱傾變化對離散譜噪聲的影響作了數值計算,並得到了工程上有實用意義的結果。
  10. The roundsling inner core is made from high tensile polyester fibre which is wound continuously without a join to provide the maximum possible strength. this core is protected by a tough woven tubular sleeve also made from polyester without side stitch. it serves to protect both the inner core of the sling and the surface of the product which it is lifting

    此產品的內層用極抗拉的合成纖維製成,在製作過程中採用不停絞織,無結口,使其具有極強的抗拉力,成空心套筒狀,兩邊無縫痕跡,在吊裝時,對吊帶的裡外層還能起到保護作用。
  11. From extension degree, differential lifting, sliding surface depth and modern seismic data analysis, it is concluded that the structural activity of liaohe basin moves from west to east, i, e., the rifting happens in the western depression first, it moves to the eastern depression and now it locates in bohai area

    從伸展量、差異升降、滑脫面深度及現代地震資料分析認為,遼河盆地構造運動從西向東運移,即裂谷作用最先在西部凹陷,后移至東部凹陷,現在位於渤海海域。
  12. Germany. design and manufacture of surface treatment technologies, suction and extraction systems, lifting equipment and special purpose solutions. multi - lingual site

    -生產萬能粗粉粉碎機吸塵微粉碎機吸塵機械粉碎機高效粉碎機超微粉碎機系列產品。
  13. The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry

    剖面採用母型剖面方法來設計,進而可確定槳葉弦向環量分佈,然後由升力面理論設計三維槳葉的幾何形狀。
  14. In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade

    在計算中,對于升力面理論,本論文考慮了過渡區尾渦收縮和葉梢分離的非線型現象的影響;對于面元法,本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面形狀的面元,在槳葉隨邊滿足更趨合理的壓力kutta條件,並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。
  15. This paper present an ideal and calculation method of the effective operating curve where cavitations characteristic is not change. based on the lifting - line and lifting - surface method, using effective operating curve to control the cavitation type and " new section " design method to extend the width of cavitation bucket. the width will almost increase 30 % than the common section

    提出了保持剖面空泡特徵不變的有效運轉曲線的思想和確定方法,在升力線和升力面的基礎上,應用有效運轉曲線控制空泡類型,採用「新剖面」設計方法擴大空泡斗寬度,其空泡斗寬度比常規剖面增加近30左右。
  16. Q37 series shot blasting machines have a non - silo structure, and the iniside strucrure use special anti - abra - sion cast iron for protection. the lifting hook can automatically revolve, move up and down, advance and retract, they are suitable for surface cleaning and surface and surface and surface and surface reinforcing for all kinds of iron casting parts, forged pieces, and heat - treated pieces in large, medium and small qualities

    該系列拋丸機採用無地坑結構,室內全部採用特種耐磨鑄鐵防護,吊鉤實現了升降、自轉、進出自動化,它適應于多種、大中小批量的鑄鐵件、鑄鋼件、鍛件、焊接件及熱處理件的表面清理或強化。
  17. Numerical lifting - surface theory has been developed as a practical tool in predicting marine propeller ' s hydrodynamic performance because it is easily being computed and accurate for application

    升力面理論由於方法簡單易行,它可以對螺旋槳的水動力性能作出非常準確的預報,是當前求解螺旋槳的水動力性能有力的分析工具。
  18. Based on the theory of potential flow, steady lifting - surface theory and the potential based low - order surface panel methodi the mathematical models for predicting the performance of the hd propeller and mau propeller are respectively established in this paper, and the numerical calculations are also carried out

    本文首先基於勢流理論和定常螺旋槳的升力面理論,以及基於速度勢的低階面元法理論建立了滬東型( hd )螺旋槳和常規mau圖譜槳水動力性能預報的數學模型,並對其進行了數值分析。
  19. As you should know, we have an extremely large lifting surface

    你應該知道的,我們有一個超級大的沖面
  20. Aerodynamic lifting surface

    空氣動力升力面
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