水力摩擦 的英文怎麼說
中文拼音 [shuǐlìmócā]
水力摩擦
英文
hydraulic friction- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 摩 : 摩構詞成分。
- 擦 : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
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Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect
並且對行波型超聲波電動機的減摩現象進行了研究,發現在接觸區定子表面上一點的水平振動產生摩擦驅動力,垂直振動只起影響水平驅動效果的作用,得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect
通過對模型的分析和實驗驗證,提出了提高密煉機混煉效果的新途徑: ( 1 )密煉機溫度控制採用溫水冷卻,使密煉機處于最佳工作狀態; ( 2 )通過合理選擇密煉室和轉子表面材料以改變材料表面能來增大膠料與它們之間的摩擦力; ( 3 )在上頂栓壓力較大的條件下,在密煉室內壁與轉子軸線同方向加工淺的光滑槽可明顯改善混煉效果。Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing
接著,對這些問題存在的原因進行了詳細分析,發現在當前推導水擊壓強公式的過程中沒有考慮管道的傾斜度和摩擦阻力的影響,而在後面水擊計算的連續性方程的推導過程中則考慮了管道的傾斜度,這就導致了在當前連續性方程的整個推導過程中前後矛盾的不合理現象。The slope stability question is influenced by many kinds of inherent factors, for instance geological structure, intensity of rock body, development state of joint and crack, cohesive force ( c ) of the rock, interior angle of friction ( f ), groundwater, etc., these objective factors reflect generally their sizes with some quantitative parameter indexes in the past
邊坡穩定問題受多種內在因素影響,如地質構造、巖體強度、節理裂隙發育狀況、巖石的內聚力( c ) 、內摩擦角( ) 、地下水等,這些客觀因素過去一般用某些定量參數指標來反映其大小。The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate
帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。Accesses the net saw some people suggested, do not have to use the gauze turban because of friction to be able big, can first use the froth bath the emulsion to scratch on the neck, directly takes over the use of the hand and the finger helps the baby to wash, moreover wrinkle folding place must open every day washes, after then uses the hand to wash the neck again to strip with water, after washes may scratch the petroleum jelly, compared with moist also may isolate lets it separate between the meat friction
上網看到有人建議,不要用紗布巾因為磨擦力會蠻大的,可以先用泡泡浴的乳液擦在脖子上,直接用手和手指頭幫寶寶撮洗,而且皺折處每天都要翻開洗,然後再用手去洗脖子後用水沖洗,洗好后可以擦凡士林,比較濕潤也可隔離讓它隔絕肉之間的摩擦。Now some universities and institutes of china have made some samples of the lunar rovers and theirs wheels, but until now the wheel ’ s mechanical performance is seldom researched and tested. this paper will analyze the mechanical performance of the wheel and design a test - bed to test the performance of the lunar rover ’ s wheel. firstly, the mechanical characters of the soil are separated to press - sinkage character and shear character based on bekker ’ s theory, and common press - sinkage and shear models are introduced and the theory of lankine passive earth pressure is also introduced
根據bekker半經驗法的基本思想,將土壤的力學特性分解為水平方向的剪切特性和豎直方向的承壓特性,闡述了地面力學中常見的土壤的承壓、剪切等力學模型,並引入了朗肯被動土壓力理論,為建立車輪在松軟土壤中前進和轉向的力學模型奠定了基礎,同時進行了實驗土壤的剪切實驗,測量了土壤的內聚力和內摩擦角等參數。The paper analyses the stress and relative motion of piston / cylinder and swash plate / slipper matching pairs in water hydraulic pisto n pump, based on which the proper experimental research method is determined
對水壓柱塞泵柱塞、滑靴摩擦副的受力和相對運動形式進行了分析,確定了摩擦副合理的試驗研究方法。The aluminum allouy fabric reel for looms made by our factory is extruded by high quality aluminum alloy profile which have many advantages such as high strength, low weight, easy to clean and high confriction, and can adapt to domestic and alien air - jet, projectile and rapier weaving machines,
我廠生產的鋁合金卷布輥採用優質的鋁合金型材自行擠壓加工而成,具有強度高、重量輕、易清潔、摩擦力強等各方面優點,適應國內外噴氣、噴水、劍桿、片梭等各種類型的織機配套使用。The studied factors respectively are : length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing
這11個因素分別為:土釘(錨管)長度、土釘直徑、土釘界面摩擦力、土釘下傾角、土釘水平間距、土釘排數、土體重度、內摩擦角、粘聚力、坡頂超載、板樁插入深度。So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system
轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響,而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖動補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具有相當重要的意義。A friction drag testing system for the underwater axi - symmetrical vehicle model
一種軸對稱水下航行器模型摩擦阻力測試系統The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined
具體方法為:由動力學測量系統測得活動件速度和氣室壓力;分析活動件的受力,建立動力學模型;以運動總阻力代替水平方向上的摩擦阻力和水阻力,獲得各運動階段的阻力速度關系曲線;利用氣室壓力經驗公式和阻力速度關系曲線,對水下突擊步槍進行初步的動力學分析,確定其構造型式及主要參數。And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee
而振動作用使物料顆粒間的粘性和內摩擦力大大減小,使物料顆粒的運動速度增大,增加了有效碰撞次數,加快了水泥顆粒表面水化物向液相擴散的速度,從而保證了拌和在微觀水平上的充分進行。Pressure grouting has made piles and soil combinaion closely at the same tiine, the piles liave hand load capacity more than ever currenly, the design and calculation of root piles have been short of a sult of fledged theory aner referencing the application of root piles in underpinning engineering and basing on the intrinsic cbaraer of root piles in thes paper the authr has ehabshed mle constitutive relative of root piles and soil in correctin slopes, researched the slope edility aller correcang slopes and safety factr of slopes
樹根樁可以看作是一種摩擦樁,它不僅可以承擔豎向荷載,而且還可以承擔水平荷載,用壓力注漿可以使樁與土體緊密結合,使樁具有較大的承載力。當前,對樹根樁的設計計算卻沒有一套成熟的理論,本文在參考了樹根樁應用於托換工程的設計計算方法后,根據樹根樁的實際特徵,詳細推導了樹根樁加固邊坡后樹根樁與土均質化復合「土體」的本構關系,研究了樹根樁應用於邊坡加固后的穩定性情況。According to the instance of the arch dam built, take the discount quotiety, the verification flood water level, the frictional quotiety and, the agglomerate force and as stochastic variable quotiety, calculate the reliability index of the abutment with the calculational programme after the average value and variable quotiety is known
對于所取的拱壩實例,以揚壓力折減系數,校核洪水位,摩擦系數、 ,凝聚力、為隨機變量,在已知其均值並設定變異系數的前提下,利用電算程序計算其壩肩巖體的可靠指標。Hydraulic friction formula
水力摩擦公式The horizontal load actions of wind, wave, current and ice may cause the offshore platform sliding, and the platform sliding resistance includes soil cohesion, friction and soil resistance, so the bucket foundation platform should be designed to meet the requirements of stability against sliding to ensure the overall stability of platform
平臺在海上受風、浪、流、冰等水平載荷作用產生滑移,而土壤粘結力、摩擦力和土抗力是平臺的抗滑力,桶基平臺應滿足抗滑穩定的要求,以保證平臺的整體穩定性。Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints
基於上述的接觸理論和接觸分析結果,本文在最後一部分中分別利用動力時程法和反應譜法對百色水電站尾水渠的巖質邊坡進行動力響應分析,兩者計算方法得出比較一致的結果,同時採用動力摩擦接觸理論重點分析了斷層對于邊坡的穩定影響,認為斷層的存在會使得巖坡的穩定性降低,在地震等動力荷載的作用下對于斷層將發生張開、閉合和錯動現象,尤其是動力荷載和其他荷載如滲流力等的耦合作用將會對斷層產生極為不利的後果,進而影響巖坡的整體動力穩定,應該要引起足夠的重視。分享友人