徑向推力 的英文怎麼說
中文拼音 [jìngxiàngtuīlì]
徑向推力
英文
radial thrust- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 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...
- 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
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In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved
提出了基於徑向基函數神經網路( rbfn )的雙隱層混合網路( mdhrbfn )模型,解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題;提出了基於模糊推理系統的自適應模糊rbfn分類( afrbfn )模型,兼顧通用性與精確性,增強人機交互能力,進一步提高了演算法分類率。The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。This article imtroduces adesign for a new style nonelastic element flexible c ouple r with good combinedcompensntion functions of axial, radial and anguladirection s. it s a mew idea designwith a simple and reasonable construction, lowpri ce and convenient maintenance. also it hasa super axial compensating ability compared with common couplers. the theory is that therotary force can be changed into lev eladvanced force. it has been proved that this couplerhas a good combined techn ique proprety and a higher rate between quality and price. itmust have cheerful prospects of application
設計了一種具有良好的軸向、徑向及角向綜合補償功能的新型無彈性元件撓性聯軸器.這種聯軸器構思新穎,結構簡單,容易加工製造,便於裝拆維修,具有一般聯軸器所不能實現的軸向超大補償能力.設計原理可引伸拓寬到將轉動動力轉變為直線推進動力的設計上.實踐證明,該聯軸器具有良好的綜合技術性能和較高的性能價格比,極具應用前景Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves
採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。The flow between two gaps in the new type of axial trust balancing device was assumed as laminar move, and the flowing physical model in these two gaps was simplified into laminar move in the gaps between two parallel plates
摘要將新型軸向力平衡裝置兩個間隙中的流動假設為層流,並將兩個間隙流動的物理模型簡化為平行板間隙的層流運動,推導出了徑向間隙與?漏量關系式和考慮離心力效應時軸向間隙與?漏量的關系式。The direct lateral force control is that more than one hundred small jet engines are installed around the missile before the barycenter. by firing up these engines produce impulse propelling force in order to adjust the position of the missile
姿控直接力控制方式是在導彈四周重心前徑向安裝的很多個小型噴流發動機,控制噴流發動機點火,產生脈沖推力,對導彈進行姿態調整。A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm
在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。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。It also has been validated by the test result. on the basis of reduced stress attenuation formula, the paper elicit theoretical calculation expressions of jam lengths in hole blasting and space between charges in linear charge blasting. linear charge blasting at the net of highway to zhuhai aerodrome and the hole blasting at underground stope in gaofen mining company have been design by the expressions
根據建立的條形藥包爆破徑向應力衰減方程,得出了淺孔爆破堵塞長度和條形硐室藥包爆破藥室間距理論計算公式;按推導的計算式設計了珠海西區機場路埡口條形藥包爆破和高峰礦業有限責任公司地下采場淺孔爆破。In view of the problems in the design of the large andmedium - sized indoor substations built by guangzhou power bureau in recent years, points for attention in the design of indoor substations are expounded in terms of ventilation, cable channel, reservation of hangers and space for transportation and installation, ground wire, lighting for the whole substation, etc
僅僅推力頭軸、孔存在間隙時,推力頭其它零件製造質量與安裝質量達到設計要求,是不會影響精確徑向定位的.爾王莊泵站9機組出現的環鍵與平鍵斷裂情況,可能不是由軸、孔間隙過大引起,而是其它尚未查明的原因The object function and restriction conditions optimum design for amb ' s structures are set up. based on these results, the structural parameter design method of radial and axial amb is presented, and a test - bed of amb has been designed by the author
根據磁力軸承結構優化設計目標函數和約束條件,推導了徑向、軸向磁力軸承結構參數設計公式,並設計了一套磁力軸承試驗臺裝置。In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position
首先,對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷,根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory
本論文通過對計算機技術、控制理論、人工智慧技術和設施農業領域知識等相關理論的研究,結合對特定溫室蔬菜生長的研究與機理分析,提出了一種基於rbf神經網路的營養液多傳感器數據融合( msdf )系統,實現對營養液組分: no _ 3 ~ - 、 cl ~ - 、 ca ~ ( 2 + ) 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測;對于由於目前傳感器製造工藝的限制而不能在線檢測的離子成分如磷酸根和硫酸根,提出了一種基於徑向基函數網路的軟測量機制,可以有效地實現對營養液中磷酸根和硫酸根成分的實時檢測;為了提高軟測量結果的可信度,利用d - s證據理論的不確定推理能力和合成公式,結合領域知識對軟測量結果進行可信度分析。Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法,推導磁力泵聯軸器能量通用公式,導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。In this thesis theoretical solution of inhomogeneous polar orthotropic plate was deduced and plate with clamped edges was taken as example. the displacement in radius direction, inner - force in radius direction, inner - force in annulus direction and buckling load with different core - radius ratio were worked out. the effect of core - radius ratio to the result was discussed in the conclusion
本文從理論上推導出了非均勻極正交各向異性圓板的精確解,並且以夾支圓板作為算例,計算了在不同核徑比的情況下,圓板受外部縱向均布載荷作用后的徑向位移、徑向內力、環向內力,以及屈曲載荷,討論了核徑比對計算結果的影響。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。In this paper, the equilibrium equation of liquid bulge forming small tangential round corner is deduced for the complicated shape tube - type blank, the function equation between forming stress parameters are and the small corner are obtained ; the forming mechanism of the small tangential corner is studied, the matching relation between liquid bulging pressure and axial thrust is given, the optimal liquid bulging force parameters are determined
摘要本文推導出復雜形狀管類件復合液壓脹形時環向小圓角成形的平衡方程,得出了成形應力與環向圓角半徑的解析關系;研究了環向小圓角成形機理,確定了液體脹形壓力與軸向推力的匹配關系以及最佳的成形力參量。Thermoplastics piping systems. end - load bearing joints between small diameter pressure pipes and fittings. test method for leaktightness under internal water pressure, including end thrust
塑料管道系統.小直徑壓力管與配件間的端負荷軸承連接.包含軸向推力的內部水壓下密封性試驗方法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。分享友人