徑向壓力 的英文怎麼說
中文拼音 [jìngxiàngyālì]
徑向壓力
英文
radial compression-
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。Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl
( 2 )分析了預旋系數_ r對該旋轉盤腔流場的影響,定義了一個新的壓力系數c _ p ,該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Based on the strength design theory and the practical stress features of the drums and on the phenomenon that the drums produce the circumference stress along the drums under the binding force of the wire ropes and the bending stress along the axis, the paper proposes the fourth strength theory as the basis for the drum strength design
利用強度設計理論,結合捲筒實際受力特點,針對捲筒體在鋼絲繩緊箍外壓作用下產生沿捲筒徑向、周向應力和軸向局部彎曲應力的情況,提出了以第四強度理論為依據的捲筒強度設計準則。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。The axial forces are related to oil supply pressure, and also to the square of rotary speed and the fourth power of effective diameter of circular circle
軸向力除了與供油壓力有關外,主要是與泵輪轉速的二次方和循環圓有效直徑的四次方有關。This effect is due to the high radial compression produced by the external forces acting at the supports.
此種效應是由於作用在支點的外力所產生的高度徑向壓縮而引起的。A two component design consisting of appropriate size and length of structural reinforcing rods and dead - end component is required to transfer axial tensile loads and distribute radial compressive forces through the plastic jacket and onto the internal strength members without damaging the fragile plastic jacket or internal optical fibers
螺旋預絞絲結構不僅能有效地降低配合區域內光纜單位應力和避免應力集中,傳遞軸向張力,而且將預絞絲的徑向壓力均勻地分佈在這段較長的配合區域內。For the construction of single - arch tunnel within cracked surrounding rocks, 8 tunnel models are set up to study the effect of the earth pressure distribution of the various surrounding rocks due to excavation. the relationships between the loosen zone of tunnel radial earth pressure and the tunnel diameter, the characteristics of surrounding rocks and the exposed time are revealed. it is showed that the pressure loosen radius is 1. 2 ~ 2. 0 tunnel diameters and the strongly loosen radius drops to 0. 5 ~ 1. 0 one for double lane tunnel
對于單拱破碎圍巖隧道的構築問題,作者設置了8個隧道模型,研究開挖對不同隧道圍巖壓力分佈的影響,揭示了洞周徑向壓力的鬆弛范圍與洞徑、圍巖特性、裸露時間的關系,得到雙車道隧道壓力鬆弛半徑為1 . 2 2 . 0倍洞徑,強烈鬆弛區半徑為0 . 5 1 . 0倍洞徑。Based on the classical nonlinear plate theory, axisymmetric post - buckling behavior of a functionally graded circular plate under radial compression was investigated
摘要基於經典非線性板理論,研究了功能梯度圓板在均勻的徑向壓力作用下的軸對稱過屈曲問題。All above, the test and the theoretical research formed the basis of practical application for the radical - thrust floating ring hybrid bearing
以上軸承的試驗研究及理論推導為徑向?推力聯合浮環動靜壓軸承的進一步研究和工程應用奠定了基礎。In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced
論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法,運用圓向量函數建立代換機構的位移、速度、加速度矢量方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。For simulating the radial static pressure gradient behind the true turbine guide cascade in low speed wind tunnel with annular cascade, the backboards were placed in the downstream field of the guide model cascade of the low - pressure stage of a turbine, and the effects of the types and positions of the backboards on the outlet flow field of the model cascade were experimentally researched
為在環形葉柵低速風洞實驗中模擬實際渦輪級靜葉后徑向壓力梯度,在某型渦輪低壓級靜葉的下游流場設置了擋板,實驗研究了擋板形式及設置位置對靜葉出口流場的影響。This paper is a part of the research project named the static and dynamic characteristic research of the radial - thrust floating ring hybrid bearing which is supported by the natural science and technology research foundation of the nation
本文完成的工作是國家自然科學基金項目「徑向?推力聯合浮環動靜壓軸承靜、動特性研究」中的一部分。In this paper, based on the theory of radial - thrust floating ring hybrid bearing, the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand, the dynamic characteristics of the testing bearing are got, and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time, the result of the test is compared with the theoretical calculation
本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上,利用自製的實驗臺完成了對該軸承的動特性試驗研究,首次得到了測試軸承的動態特性,並將實驗結果和理論計算進行了對比。Post - buckling of a functionally graded circular plate subjected to radial compression
徑向壓力作用下功能梯度圓板的過屈曲In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論,探求支盤樁高承載力和低沉降量的內涵,本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式;基於已有的靜載試驗成果及有關擴底樁的研究成果,從對現場測試數據的分析,將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算,考慮到擴孔時的油壓數據,求得某一孔壓下的支盤力,據此估算單樁極限承載力;同時根據對支盤樁的受力特點和試樁數據的分析,提出了支盤樁承載力計算的經驗公式;用有限元分析的方法,利用大型有限元分析軟體ansys對支盤樁進行數值模擬,並將模擬結果同現場的靜載試驗結果進行對比,再現了支盤樁在荷載作用下土中應力場和位移場的變化,根據應力場和位移場的變化范圍,指出最佳盤間距和樁間距;為支盤樁的設計和施工提供了一個可量化的設計依據。Abstract : the present paper analyzes the axial pressure of the coil, the working principle of the coil drum and causes of slide scar on the strip head and advances the new method for the taper control of the coiling tension
文摘:針對單機架平整機的帶鋼頭部滑傷問題,分析了鋼卷徑向壓力、捲筒的工作原理,及帶鋼頭部滑傷形成原因,提出了卷取張力採用錐形控制的新方法。Groove dimensions for fluid power radial compression type piston rings
流體動力徑向壓縮型活塞環的環槽尺寸分享友人