切應變速率 的英文怎麼說
中文拼音 [qiēyīngbiànsùlǜ]
切應變速率
英文
shear rate- 切 : 切Ⅰ動詞1 (合; 符合) correspond to; be close to 2 (用在反切后頭 表示前兩個字是注音用的反切)見 ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 率 : 率名詞(比值) rate; ratio; proportion
- 速率 : speed; rate; tempo
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The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low
本文從用惰性氣體蒸發冷凝和真空原位壓結法( igc )制備得到的直徑80mm ,厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣,在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。A method based on the application of an injection process analysis software is introduced in this article, which optimize injection process through changing the design of fuel - injection pump cam. a model of 1115 single cylinder direct injection diesel engine is used as an example. with the help of pre - journey optimization, increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable. without changing fuel pump installing size, it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition
本文以國產1115型單缸直噴柴油機為例,介紹一種應用噴油過程分析軟體改進噴油泵凸輪設計的方法,通過增大噴油泵凸輪升程、採用切線函數凸輪並優化預行程的方式,在不改變噴油泵安裝尺寸的前提下,可提高噴油壓力和噴油速率,改善柴油機低速工作穩定性,使噴油系統與柴油機匹配更合理。( 2 ) the shear stresses vary as the relative permeability of the matrix fluids, the volume fraction of particles, and the square of the particles " magnetization. the shear stresses increase with the external magnetic field, but have saturation values
磁流變液的剪切應力隨基液磁導率、磁性固體粒子濃度呈線性正比關系,隨磁性固體粒子的磁化強度呈平方正比關系,隨著外加磁場的增大而迅速增大。For the case of static loaded er journal bearings, the influence of er effects on the lubrication performance are studied under various radius clearances, eccentricity ratios and shear rates
對于穩載電流變滑動軸承的潤滑問題,研究了不同平均間隙、不同偏心率以及不同剪切速率下電流變效應對軸承潤滑性能的影響。The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described
論文的主要貢獻如下:通過測試磁流變液剪切應力與磁感強度、剪切應變速率、溫度的變化規律,建立了能反映磁流變液剪切變稀現象的剪切應力與剪切應變速率的磁流變液模型。根據磁流變液模型,從理論上建立了能在較寬的電壓內范圍比較準確地預報磁流變阻尼器輸出力的近似公式。Rises but other parameters do n ' t almost vary. at of mrs based on composites is lower than that of mrs based on carbonyl iron, declines with the content of atpu increasing but the rising rate with h improves. with the content of spanso increasing, at declines, but the rising rate falls, and y max heightens
復合粒子的、 、隨著atpu用量的增加均降低,且頻散特性也有較大的變化,而隨著span80用量的增加,增加,其它參數基本不變;復合粒子組成的mrs的磁致剪切應力較羰基鐵粒子有很大的降低,隨atpu用量的增加降低,但隨h增加的速率提高,最高剪切速率_ ( max )增加,而隨著span80用量的增加增加,但隨h增加的速率降低, _ ( max )提加。The numerical results show that : with the enhancement of er effects, the bearing capacity is obviously increased ; the increase magnitude is larger when small radius clearances and large eccentricity ratios ; at low shear rates, the influence of er effects on the lubrication performance of journal bearings are more obvious
數值研究表明:隨著電流變效應的增強,軸承潤滑油膜的承載能力明顯提高;軸承半徑間隙越小,偏心率越大,軸承承載能力增加的幅度也越大;在低剪切速率下,電流變效應對軸承潤滑性能的影響較大。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。Investigations showed that one of the most important characteristics of pearlitic materials is the decrease of ratcheting rate, the plastic shakedown capability, and the memory and recovery of the accumulated plastic strain under asymmetrical stress cycles. it was found that the interaction between phases plays an important role in the mechanical behavior of pearlitic materials, such as wearability and contact fatigue life
珠光體材料的重要特性之一是在非對稱應力循環下循環蠕變速率的減緩並趨于塑性安定以及材料對循環蠕變史的記憶與恢復;同時珠光體材料的宏觀力學性能與其細觀結構密切相關,在很大程度上取決于珠光體材料的微結構及其相互作用。With the content of iron carbide in carbonyl iron decreasing, and rise, and shear stress ( at ) induced by magnetic field of mrs declines, the shear rate corresponding to the maximum at ( " y max ) heightens, and the response time of a t shortens. with the content of dmf increasing, the size of carbonyl iron reduces so that a t of mrs enhances, and increases with h more rapidly and " y max heightens
隨著羰基鐵粒子碳化物含量的減少, 、增加,而mrs的磁致剪切應力下降,最高剪切速率_ ( max )增加,磁流變響應時間縮短;隨著dmf用量的增加,羰基鐵粒子的二次顆粒尺寸減小, mrs的增加,且隨外加磁場強度h增加的速率提高, _ ( max )提高。Shear strain rate
剪切應變速率Its typical applications include mobile games, mobile video program selection, mobile video chatting, and mobile singing, etc. with great improving of the value - added business in the aspects of technical basis and transferring velocity, the flow - media becomes available in the mobile networks, and is a new pet in the value - added business of wireless communication
手機流媒體是一種實時傳輸數據的方法,通過移動網路在移動手持終端上採用流媒體技術實現的應用,典型的應用實例包括移動游戲、移動視頻點播、移動視頻聊天、移動卡拉ok等。隨著增值業務在技術基礎和傳輸速率方面的極大改善和提高,流媒體在移動網路里也正變得切實可行,成為無線增值內容提供的業務新寵兒。Based on the measured data, the change of the friction velocity of turbulent flow and the characteristics of the wall shear stress under different sudden roughnesses and different water depths are analyzed herein
通過實測資料分析不同糙率突變和不同水深的紊流摩阻流速變化情況和水流的壁面切應力的特點。Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account
文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系,並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性,並且不發生絕熱剪切沖塞破壞的前提下,理論預測和實驗結果吻合良好The ratio of the magnitude of an applied shear stress to the velocity gradient that it produces ; that is, a measure of a noncrystalline material ' s resistance to permanent deformation
剪切應力數值與其產生應變速率的比值叫粘性,用來衡量非晶材料抵抗永久變形的能力。分享友人