牛頓粘度 的英文怎麼說
中文拼音 [niúdùnniándù]
牛頓粘度
英文
newtonian viscosity-
In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed
第二章,首先推導了非牛頓流體的變形雷諾方程,化簡了雷諾方程,得出了矩形螺紋下有限差分方程;還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式,最後用數值計算方法求解,通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。Sir isaac newton was one of the pioneers in investigating viscosity, and on his analysis depends the definition of the coefficient
艾薩克?牛頓爵士是研究粘度的先驅者之一,粘性系數就是根據他的分析下的定義。Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普蘭德動量傳遞理論為基礎,按照卡門的三層模型,通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定,計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度,渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數,探討了高分子減阻劑對非牛頓流體流動特性的影響,對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。Viscosity - part 3 : non - newtonian liquids
粘度.第3部分:非牛頓液體Method to realizing on - line measuring the viscosity of non - newtonian fluids
非牛頓液體粘度的在線測量方法A simple pressure - reduced capillary viscometer was designed. it was used for studying the abnormal rheological properties of surfactant solutions, such as fluid patterns, thixotropy and negative thixotropy
安裝了一種簡單的減壓型毛細管粘度計,用於測量非牛頓性表面活性劑溶液的流變性質,如判斷流體類型,判斷流體的觸變性及負觸變性等。Viscosimetry - capillary viscosimetry of newtonian liquids - sources of errors and corrections
粘度測量.牛頓流體學毛細粘度計.誤差源及校正Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; sources of errors and corrections concerning cylinder ; rotation viscometers
粘度測定法.第2部分:用旋轉粘度計測量牛頓流體的動態Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; principles
粘度測定法.第1部分:用旋轉粘度計測量牛頓流體的動態Viscosity - part 2 : newtonian liquids
粘度.第2部分:牛頓流體分享友人