steady condition 中文意思是什麼

steady condition 解釋
穩定工況
  • steady : adj 1 穩固的,平穩的,穩定的,不變的(腳步、努力等)。2 堅定的,扎實的,牢靠的(船等)。3 有規則...
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. Secondly, the paper introduces the balanceable condition of airfoil steady fw. its middle part adopts geodesic fw and fw angle is a0. its both ends adopt nongeodesic fw and fw angle is variable

    然後,本文介紹了機翼實現穩定fw的平衡條件,機翼中間段採用測地線fw ,纏繞角為定值_ n ;機翼兩端用非測地線fw ,纏繞角為一變量。
  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分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,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方程建立適合動態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、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,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程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態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態特性模擬計算程序,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分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫泵性能參數的確定;大抽速低溫抽氣面的熱負載的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫泵系統運行的安全問題。
  4. After series of related and interconvertible pathways, a steady-state condition is reached.

    經過一系列相互轉換的代謝途徑達到了恆態性的條件。
  5. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  6. Turning test shall be conducted under certain meteorologic conditions and sea condition, the main engine rate of revolution should keep steady 5 - 10 min

    迥轉試驗應在一定的氣象條件和海況下進行,主機轉速應保持穩定5 - 10分鐘。
  7. But at the present, because of chronic geomorphy disintegration, altitude and ascent of bank slope have been built down and palliated. especial rock mass mechanics condition has not been existent, so all kinds of rock mass fracturing deformation was stopped to developing and steady

    但目前因長期的地貌剝蝕作用,壩肩岸坡的高度及坡度均已大為降低減緩,特殊的巖體力學條件已不復存在,巖體內部的各類張裂變形亦停止發展,處于破裂發展穩定階段。
  8. The sixth section gives the experimental results in the quasi - steady flow around the caudal fin and mimic the forward swimming using the caudal fin as the propulsor. and then review the speed and track of the robotic fish swimming when locomotion parameters are set in the experiment condition

    第六部分通過機器魚的自主游動實驗,初步模擬了機器魚利用尾鰭擺動推進前進,考察了實驗條件下設定魚的尾鰭擺動相關參數的情況下魚的游動速度和尾鰭的擺動軌跡情況。
  9. In this model, we discuss the effect of tax policy on economic growth on the condition of market competitive equilibrium. two chief conclusions are drawn : firstly, when the government has carried out steady tax policies, for consumers there exists unique optimal capital stock path along which economy can grow sostenuto and steadily ; when the tax path given by the government converge to some constant tax rate, there still exists one capital stock path which can make the whole economy grow gradually and converge evenly to the optimal state. secondly, the optimal tax path has turnpike property

    在該模型中,我們討論了在市場均衡條件下,稅收政策對經濟增長的影響,得到兩個主要結論:一、當政府實行穩定的稅收政策時,消費者存在著唯一的最優資本存量路徑,沿著此路徑經濟能夠持續平穩並且最優地增長;當政府給定的稅收路徑不穩定但能收斂到某個常值稅收率時,此時也存在一條資本存量路徑,它能使整個經濟漸近平穩地增長,並且最終收斂到最優狀態。
  10. The exhaust emission of a diesel engine differs in different operating condition. in order to study the fuel - economy and exhaust emission performance of vehicle turbocharge - intercooled diesel engine on all steady operating conditions, on yc4112zlq d. i. turbocharge - intercooled diesel engine, 72 operating conditions ( 8 speeds, 9 loads per speed ) were tested under steady operating condition

    為了在整個工況范圍內研究車用增壓中冷柴油機的經濟性與排放性能,作者在柴油機穩定運轉狀態下,對yc4112z _ lq ( 125kw 2300r min )型直噴式增壓中冷柴油機的72個工況點( 8個轉速,每個轉速9個負荷點)作排放特性試驗研究。
  11. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。
  12. Accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is use to calculate the dynamic and steady performance by kron and symmetrical coordinate converter

    論文通過對電機基本方程進行kron變換和對稱分量變換,分別建立了系統完整的數學模型,編制了動態和穩態模擬程序,並對系統進行了模擬,對系統的動態、穩態性能進行分析。
  13. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  14. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的情況下,提出了滿足以力,能量,錘頭穩定性,幾何條件,不發生運動干涉,轉子軸和滾動軸承的強度等約束條件,建立了包含破碎機關鍵參數(錘頭質量m ,軸心o到銷軸錘頭接觸距離r ' ,四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙,錘頭與巖石碰撞到銷軸與錘頭接觸點的距離s ,轉子的速度。
  15. Under the basic assumption premise of people are the type of economic person with limited reasonableness but pursuing self - interests to maximize and a almost steady condition of geology and climate in mankind ' s history, by building up a model of " the behavior of the ecosystem environment - system - person ”, i analyze the interactive relation between the institution transition and ecosystem environment transition and put forward a hypothesis about that institution transition affects the ecosystem environment transition

    在人是追求自身利益最大化的有限理性經濟人和氣候、地質條件在人類歷史時期基本穩定的基本假設前提下,通過建立一個「生態環境? ?制度? ?人的行為」的模型來分析制度變遷和生態環境變遷之間的互動關系,並提出一個關于制度變遷影響生態環境變遷的假說。
  16. The improved comprehensive control strategy remedies the deficiency of control strategy for best fuel economy, improves the vehicle dynamic performance at transient conditions without penalty on steady condition fuel economy

    改進后的綜合控制策略彌補了最佳燃油經濟性控制策略的不足,提高了瞬態工況的動力性能,同時保持了穩定狀態下系統的燃油經濟性,改善了系統的性能。
  17. Abstract : to the barycenter offset type self - in - phase vibration screen, thispaper educes the condition that its self - in - phase is existent, analyzes and discusses the steady condition that the self - in - phase existence by establishing the dynamic differential eguation. then combining the design practice, the paper gives the calculating and analysis to the movement condition of the barycenter offset self - in - phase vibration screen

    文摘:通過建立重心偏移式振動篩的動力學微分方程,得出其自同步存在的條件,分析討論了自同步存在的穩定性條件,並結合設計實踐,對重心偏移式自同步振動篩的運動狀況進行了計算分析。
  18. The variation trajectory of liapunov exponents of car - following fleet and the variation orderliness of average speed, average headway and average space on steady condition were discussed

    文章從分析城市快速道路跟車行為入手,利用李雅普諾夫特徵指數,定性與定量相結合,討論了跟馳車隊中的混沌特性。
  19. Based on the 15 operations regulated by gb14761 ? 999, the control system was tested in some kinds of automotive. the result shows that air fuel ratio is controlled near the theoretical value under steady condition and exhaust emission is under the regulated value. the system is fit for the station of our country and the need of environmental protection it is easy to realize, has a low cost and a better control result, and is worth to spread

    根據國家最新的法規gb14761 ? 1999規定的15工況法,在桑塔納、捷達、夏利、富康、奧拓幾種轎車上對控制系統進行了實車實驗,結果表明在穩定工況下空燃比被控制在理論值附近,尾氣排放量在法規規定的限值以下。
  20. This experiential formula can be used in simulating steady condition, startup, acceleration work process and integrated design of cruise missile and turbofan engine so as to improve the accuracy of 1d engine performance computation

    該經驗公式可用於彈用發動機穩態、起動、加速過程的計算和導彈與發動機一體化設計的數值模擬模型,從而提高發動機性能數值模擬的準確性。
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