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- The friction factor has a little effect on bucking critical load. 摩擦系數的改變對臨界失穩載荷的影響不大。
- Nano-additive of lubricating can decrease friction factor and repair surface abrasion. 納米潤滑添加劑可以降低摩擦系數,對磨損表面具有一定的修復功能。
- It shows that with the control over the friction factor, near-net-shape forming of hexagonal bolts can be achieved. 另外成形方案四模擬結果顯示，有進(jìn)行模仁表面粗糙度之控制，可達成六角螺栓近凈形成形的目標。
- The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed. 文中還分析了在摩擦阻力系數一定的情況下，流量與管徑的制約關(guān)系。
- This paper presents a method of calculating the static sliding friction factor between zigzag slot and pin. 該文給出了求解慣性筒上的曲折槽與銷(xiāo)之間的滑動(dòng)靜摩擦系數的一種方法,介紹了引信曲折槽機構。
- The equation indicate line relative, based upon this equation will get different friction factor of BPN value. 無(wú)論位于跑道左側區域與右側區域。
- In this paper, the testing data of friction factor between syenitic blocks under static and dynamic conditions are presented.Dynamic tes... 兩種條件下的動(dòng)摩擦系數的變化規律也有明顯區別。
- The rolling pressure for forming straight tooth bevel gear varies with the feed rate of cavity die,friction factor and inclination of rotary head. 直齒圓錐齒輪擺輾成形的輾壓力隨擺頭傾角、下模進(jìn)給速度、摩擦系數以及擺輾階段等因素的變化而變化。
- Turbulent transition zone is the main zone of trangportating oil products in pipeline, and its basic friction factor formula is Colebrook formula. 紊流混合摩擦區是成品油管輸的基本流區,其摩阻因數的基準公式為科爾布魯克公式,國標采用十分近似、容易計算的哈蘭德公式。
- Based on the present data, empirical correlations for the saturated boiling heat transfer coefficient and friction factor are proposed. 由飽和的實(shí)驗結果求得熱傳系數與壓降的經(jīng)驗公式。
- Soft, slippery, strong grip strength, good flexibility, fine performance of ozone proof, hardwearing, oil stain proof. A smaller friction factor Long service life. 該膠圈柔軟光滑,握持力好、彈性好、抗臭氧、耐磨性好,摩擦系數波動(dòng)范圍小,使用壽命長(cháng)。
- Under high contact stress condition, the alloy with eute ctoid matrix gives higher friction factor and has better wear resistance than th at with martensite and austenite matrix. 在高接觸應力情況下;與馬氏體和奧氏體基體的合金相比;共析組織基體的合金具有更大的摩擦系數;其耐磨性也更好.
- Through calculating friction factor and operating point of pump or fun of two examples on fluid mechanics, methods using solver and curve-fitting in EXCEL were introduced. 通過(guò)對流體力學(xué)中沿程阻力系數和泵與風(fēng)機工作點(diǎn)等問(wèn)題的求解,介紹了excel單變量求解器和曲線(xiàn)擬合的方法。
- This paper presents a method of calculating the static sliding friction factor between zigzag slot and pin.A brief description of the fuse zigzag slot mechanism is given. 摘要該文給出了求解慣性筒上的曲折槽與銷(xiāo)之間的滑動(dòng)靜摩擦系數的一種方法，介紹了引信曲折槽機構。
- Soft,slippery,strong grip strength,good flexibility,fine performance of ozone proof,hardwearing,oil stain proof. A smaller friction factor Long service life. 該膠圈柔軟光滑，握持力好、彈性好、抗臭氧、耐磨性好，摩擦系數波動(dòng)范圍小，使用壽命長(cháng)。
- A mechanical model of conical part stamping process is built under the conditions of considering thickness variation, anisotropy, work-hardening, friction factor and so on. 摘要在綜合考慮板厚變化、各向異性、加工硬化及摩擦等因素的情況下，建立了圓錐形件沖壓成形過(guò)程的力學(xué)模型。
- Therefore the shaped en hanced tube that takes heat transfer factor and friction factor as test relational expressions and water and oil as working media should be developed. 為準確確定物性的影響，應擴大試驗介質(zhì)的范圍，應以水和油為工作流體，將試驗數據整理為傳熱因子與摩擦因子的關(guān)聯(lián)式。
- PTFE fiber has good corrosion resistance, low friction factor, nonflame, strong acid and strong alkali resistance, high temperature and low temperature resistance. PTFE纖維具有優(yōu)良的耐腐蝕性,低摩擦因數,不燃,能耐強酸、強堿、強氧化劑等強腐蝕性試劑或溶劑,耐高、低溫性能優(yōu)良。
- The result indicate the average value of Static friction factor and dynamic friction factor for the central-left side is greater than the central-right side of runway. 針對靜摩擦系數或動(dòng)摩擦系數，就所得結果跑道中心左側區域之平均值大于右側區域平均值。
- X axis and Y axis adopt ball spiral rods with excellent precisions and low friction factors. 軸采用滾珠螺桿傳動(dòng)精度佳，摩擦系數小。
