穩態分佈方程 的英文怎麼說

中文拼音 [wěntàifēnfāngchéng]
穩態分佈方程 英文
steady-state distribution equation
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  1. In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly

    本課主要講述礦物及其共生組合的形成和變化的條件和過,不同物理化學條件下礦物的成、結構、形、物性等標型特徵以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的和演化規律,礦物成、結構、形貌、物性等的析測試法,礦物地質溫度計和地質壓力計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的定范圍和彼此替代順序的共生析,重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行析,選取適當的微元控制體,就干、濕和霜工況下對每個微元別進行傳熱傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆建立適合動模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過,運用動集中參數模型進行析和計算,為更好地描述製冷系統運行的全過奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過,運用動參數和參數間定量耦合的觀點來析和計算,為更好地了解工況下各點參數的變化情況及各入口參數對蒸發器動特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動特性模擬計算序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度場,實現對翅片管蒸發器在干、濕和霜工況下的動模擬。
  3. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構定性析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工情況,採用2d - 3d -有限元結構序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀、地表存在多層或高層建築物狀和地下開挖用於軌道交通的地下隧道狀等三種不同狀以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個面具體析研究了計算斷面的應力與位移規律: ( 1 )在各種不同狀下計算斷面的主應力矢量圖、位移布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比曲線; ( 3 )不同狀下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工設計和工施工提供參考依據。
  4. Fourthly, the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented. under the contact conditions, the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem

    首先建立直角坐標系下波動問題的狀,經雙重fo吐er變換求解狀后得到傳遞矩陣:利用遞矩陣給出直角坐標系下層狀橫觀各向同性飽和地基在任意簡諧荷載作用下動力響應的一般解。
  5. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、電流法) ,同時介紹了兩種永磁電機氣隙磁場計算法(磁荷法,直接求解拉氏法) ,析各種法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,析靜力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動模擬模型,模擬不同驅動式下電動機起動、運行時電磁力、速度、位移的變化情況。
  6. Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field, and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained

    摘要應用ph線性化法、迭代法,近似求解了螺旋槽內微尺度流動場的非線性雷諾,求得了氣體動壓和速度的解析解。
  7. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過定工作狀下的熱應力優化設計問題進行描述,然後別用解析法求解兩種結構的梯度塗層在制備過定工作狀下的熱應力,並採用有限元法驗證了熱應力的結果,在優化設計時,以危險系數為目標函數,以塗層的隔熱性能為約束條件進行設計。
  8. Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained

    文摘:應用三維非熱量傳輸,對高爐熱風爐在燃燒過中蓄熱室內格子磚與氣體之間的對流和輻射傳熱,以及格子磚內部的導熱過進行了耦合求解.得到了在燃燒期內格子磚及燃燒過中燃燒廢氣的溫度情況及其隨時間的變化規律
  9. The study results reveal some laws : ( 1 ) two failure modes exist in different obliquity slope and influence the internal force of soil nailing ; ( 2 ) the connection between face shield and soil nailing determines the distribution of the axial force along length ; ( 3 ) the influence of face shield involves its connection with soil nailing and its stiffness on soil nailing wall ; ( 4 ) the transversal effect of soil nailing depended on the joint of nail head is little ; ( 5 ) the maximum axial forces of other soil nailings except the first soil nailing increase gradually with excavation

    研究表明: ( 1 )素土坡隨著坡角的變化,存在兩種破壞式,破壞式不同,土釘受力狀不同; ( 2 )土釘和面層的連接式決定著土釘長度向上的軸力; ( 3 )面層主要通過面層與土釘的連接和面層的本身剛度兩個面對土釘內力和墻體變形產生影響; ( 4 )土釘橫向抗剪抗彎作用的發揮度和土釘釘頭的連接式有關,但作用不大,實際設計時可以忽略其影響; ( 5 )隨著坡體的開挖,第一排土釘的最大軸力變化不大,其它土釘的軸力都步增加。
  10. In this paper, the repairable queuing system with police is studied. some important queuing quantities and reliability quantities are in detail discussed as follows : ( 1 ) using the renewal process theory and the method of stochastic decomposition, both the transient and equilibrium distributions of the queue length from any state are discussed, and the recursion expression of the equilibrium distribution is given by furthermore, the generating function of equilibrium queuing length distribution is given by ( 2 ) the distribution of waiting time is discussed, and the mean waiting time is given by ( 3 ) the departure of the system is discussed, and the mean value of departure customers when is given by

    具體如下: ( 1 )利用更新過理論和隨機法,討論了從任意初始狀出發隊長的瞬解和解,得到了隊長平的遞推公式:並進一步求得了系統的隊長的母函數( 2 )討論了等待時間,求得了平均等待時間: ( 3 )討論了系統的輸出過,求得了長期單位時間內離去顧客的平均數: ( 4 )討論了服務臺的不可用度,得到了不可用度: ( 5 )討論了內服務臺平均故障次數,求得了長期單位時間內的平均故障次數
  11. The state, distribution and value of the earth pressure acted on the retaining structures, which are the key factors that affect the deformation and stability of the deep foundation pit, are determined with the actual displacement caused by the interactions and mutual deformations of the retaining structures, ring beams, middle beams and the foundation soil without any hypotheses

    根據基坑開挖過中支護結構、圈樑、腰梁和地基相互作用及共同變形所產生的實際位移向及其大小來確定影響基坑變形和定的關鍵因素? ?作用在支護結構兩側土壓力的狀形式和數值大小,而不對其作任何預先假定。
  12. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎,通過質量守恆和動量守恆的耦合,提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過阻塞和彌散傳質過弱不定性產生的條件,計算了液滴尺寸及其對乳化液極大堆砌數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過的不定性而引起的懸浮體型的改變,隨液滴尺寸多散性的增大,極大堆砌數增大;隨液滴平均尺寸的增大,多散性對極大堆砌數的影響減弱;當韋伯數足夠大時,液滴尺寸及其對乳化液極大堆砌數無影響
  13. Prediction of hydrodynamic pressure. the thesis presents a practical engineering method to predict the hydrodynamic pressure on instantaneous wet ship surface

    關於水動壓力預報:本文提出了基於二維擾動流場頻域解的一種預報船體瞬時濕表面壓力的工實用法。
  14. From langevin equation, the stochastic resonance characteristics of bistable system were investigated, including the probability density function and other character numbers

    通過朗之萬( langevin ),本文詳細研究了雙系統的隨機共振特性,得出系統輸出的概率密度函數及其數字特徵。
  15. Natural fractures that distribute randomly in the reservoir arc different from the hydraulic fractures that connected with oil and water wells

    摘要隨機在儲集層中的天然裂縫不同於與油水井相連通的人工裂縫,進行產能研究時,在教學上用常規法難以對其進行處理。
  16. We then consider the n policy m / g / 1 queueing model with two priorities. by using the supplementary variable method to analyze the state probability equations, we derive the generating function of queueing length distribution and the mean queue length in the buffer of the communications network. and through further discussing for the queue with various priorities, we derive the generating function of queueing length distribution and the stationary queueing length in queue models with various priorities

    其次研究帶有兩個優先權的n策略m g 1排隊模型,利用補充變量法對狀概率組進行析,得出了此排隊系統隊長母函數及通信網緩沖器中的平均隊長,並對不同優先權隊列的進一步討論,得出了不同優先權隊列的隊長母函數及隊長。
  17. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平序列自回歸模型的均值、白噪聲的協差陣的極大似然估計都有依收斂到多元正的統計性質。
  18. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上,通過析與比較,採用了k -雙模型來研究室內氣流的濃度,建立了描寫的三維紊流室內氣流濃度的數學模型,採用控制容積法和冪函數案來離散微組,按壓力藕合的半隱式法( simple )演算法,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用序,並在microsoftvisualc + + 6 . 0環境下對序進行編制、調試與運行,並對調試工作做了探討與析。
  19. The steady and dynamic states " transmission of heat differential equation were dispersed by finite volume method, and the dynamic state ' s temperature field of galvanic arm was got by making numerical calculation on the discrete equation

    利用控制容積法對非傳熱進行離散,並進行了數值模擬,得到了一定條件下電偶臂非溫度
  20. As to the simulation, the inner flow field of thrust chamber was simulated. here the thrust chamber was treated as a two - dimension problem. the simulation model involved injection, mixing and combustion of gaseous propellant

    模擬面,對三組元發動機推力室的燃燒過進行了數值模擬,析了推進劑各組元和各燃燒產物組在推力室內的
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