等變壓梯度 的英文怎麼說

中文拼音 [děngbiànyātīdù]
等變壓梯度 英文
isallobaric gradient
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 壓 : 壓構詞成分。
  • 梯 : Ⅰ名詞1 （梯子; 樓梯） ladder; stairs; steps; staircase 2 （姓氏） a surname Ⅱ形容詞（形狀像樓梯的...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  2. In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed

    依據實現準等熵壓縮和超高速發射對梯度飛片體系的理論要求，論文首先在一個較寬的波阻抗變化范圍內，確定鎢合金（ 93w ） 、無氧銅（ ofc ） 、鈦合金（ tc _ 4 ） 、工業純鋁（ al ）和鎂合金（ mb _ 2 ）五種綜合性能良好的金屬和合金材料作為波阻抗梯度飛片的復合體系，並測量了材料的相關聲學和力學參量。
  3. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  4. When flier - plate with graded wave impedance impacted targets with different thickness at different velocities, the variation of the impact - induced wave profiles accorded with the numerical simulation results

    梯度飛片以不同速度撞擊不同厚度的靶板時，所得到的準等熵壓縮波波形的變化規律符合數值模擬計算的結果。
  5. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi - continuously along the thickness " direction and thus has quasi - isentropic compressive characteristics, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料，因其波阻抗值沿厚度方向呈準連續變化，而具有準等熵壓縮特性，可以看作是功能梯度材料在動高壓物理研究領域中的應用新拓展。
  6. When flier - plates with different graded structures impacted targets with different thickness at different velocities, the variation of the impact - induced wave profiles accorded with the numerical simulation results

    具有不同梯度結構的飛片，以不同速度撞擊不同厚度的靶板時，所得到的準等嫡壓縮波波形的變化規律符合數值模擬的結果。
  7. So this question must be solved at first. a variety of factors which influence cte mismatch induced thermal stresses such as fiber array, temperature dependent material properties, composites fabrication temperature and pressure has been discussed. on the other hand, the temperature gradient induced thermal stresses is also analysed and factors such as heat treatment conditions, composites fabrication temperature and pressure to influence the stresses are investigated

    本文首先利用ansys模擬基體材料分別處于理想彈性應力狀態和理想彈塑性應力狀態時，各種因素諸如纖維排布模式、模量等性能參數是否隨溫度變化以及復合材料制備溫度和壓力對熱膨脹系數不匹配誘導熱應力的影響；另外，我們也對溫度梯度誘導熱應力進行了一定的研究，分析了各種熱處理工藝以及材料制備溫度、壓力對它的影響。
  8. The proportional flow valve control system with speed - electric feedback applied in hydraulic elevators can eliminate disturbances of nonlinear source such as oil temperature and load change. in this system, the proportional valve plays a key role

    採用轎廂速度一電大閉環反饋控制方法的電液比例閥控系統，可以排除油溫及負載變化等因素引起的非線性干擾，極大地提高了液壓電梯的工作性能。
  9. The numerical simulations of loading processes of flier - plates show that the loading history of the flier - plate designed with wave impedance as design parameter is significantly different from that of the flier - plate designed with density as design parameter and the former is expected to have better quasi - isentropic characteristic, which indicates that it is very essential to use wave impedance as design parameter directly to design the wave impedance distribution of flier - plate

    而以波阻抗作為設計參數，所得飛片的擊靶波形隨時間的變化更加平緩，有望獲得更好的準等熵壓縮性能。因此，直接採用波阻抗作設計參數，實現梯度飛片波阻抗分佈的精確設計是非常必要的。
  10. Such a fixed grid is usually difficult to fit in with the change of wind velocity and pressure gradients in different areas of the actual wind flow, and consequently the local changes of flow condition and their effect on the building cannot be effectively caught

    這種網格通常很難適應實際風場中不同區域的風速、風壓等的梯度變化要求，從而無法有效地捕捉到局部復雜流動的變化情況及其對建築物產生的影響。
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