circle coefficient 中文意思是什麼

circle coefficient 解釋
圓常數
  • circle : n 1 圓；圓周；圈；環；環狀物。2 圓形場地，馬戲場；（鐵路的）環行交叉口；（體育場的）圓形看臺；（...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. In the test of transmission coefficient property, semi - circle type, rectangle type, trapezoid type and concave type dyke are studied. research study is on the effect of relative water depth over the dyke to the transmission coefficient of the four different types dyke, and the comparison is done. finally, the experimental formula is given to the transmission coefficient, which are compared with the present formulae

    在潛堤透射特性的研究中，選取半圓型、矩型、梯型和槽型潛堤作為研究對象，在分析各個影響因素對潛堤透射影響的基礎上，選取最主要的影響因素，即相對堤頂水深作為研究的重點，分析研究了堤頂相對水深對四種結構型式潛堤透射系數的影響，比較分析了四種結構型式潛堤透射特性，在此基礎上，總結了計算潛堤透射系數的經驗公式，並與已存在的計算公式進行了對比，最後對潛堤的促淤效果進行了評估。
  2. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  3. The study on the stress concentration coefficient of the composite laminates with a circle hole

    帶圓孔復合材料層合板應力集中系數的研究
  4. This paper offers some performance data calculate with computer program and figures which variation of performances of refrigeration in different refrigerants and circle with evaporating temperature. it shows that it is feasible to calculate thermodynamic properties of refrigerants with equation of state pr in ideal circle and new refrigerants sfuch as r134a, r152a have not more coefficient of performance ( cop ) than r22 in single - press circle but still have preferable practical value in freezing refrigeration ; the results also demonstrate the importance and need for applying mixed - refrigerant in freezing

    本文給出了幾種製冷工質在單級和雙級壓縮製冷循環下的一些性能數據及各性能隨蒸發溫度變化比較圖。結果表明，利用pr方程得出的製冷工質物性，可用於計算製冷循環性能；在單級製冷循環中， r12和r22仍具有較高的製冷系數，但新工質如r134a 、 r152a在較低溫度製冷中具有很高的研究價值；計算也表明，在較低溫度製冷中，混合工質的研究是極有價值的。
  5. Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details

    本文通過對兩種系統方案進行比較分析，確定了水環熱泵系統的基本方案，經過定性分析和設計計算，進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計，同時應用熱力學分析的一些基本方法，討論了如何評價熱泵系統的性能系數，並對電廠循環水余熱回收熱泵系統進行了（火用）分析，得到了熱泵過程（火用）效率的計算公式，建立了熱泵?熱機聯合機組優化模型，還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算，最後對熱泵系統進行了技術經濟分析和評價。
  6. Based on calculation method on unfold size and piece form, theory analysis and research are given on ellipse, circle tube, box as equal - high, irregular, unequal - high, irregular piece, process and condition on possibility of drawing are introduced, through calculation coefficient, number of drawing, drawing testing dies are made, results are given, it is similar to calculation method, in the same time, complex drawing presswork is planed, to avoid wrinkle, critical in drawing process. in this paper, die designing is introduced based on complex drawing unfold size calculation, press center is automatic calculated, apartments of press tools are calculated too with material mechanic production process and press form are better, period of die designing is to reduced, and cost of product is lower

    對基於復雜拉深件展開尺寸計算的模具設計也作了詳細的論述，指出了現有復雜拉深件模具設計製造程序的不合理性，本文在復雜拉深件展開尺寸基礎上自動生成沖裁中心、沖裁周長，運用材料力學中桿件強度及抗失穩條件，實現對沖壓模具參數的自動計算，簡化了沖壓模具彈性元件、打料裝置的設計過程，給出了沖壓模具結構設計流程，使得模具材料核算，製造過程，沖壓方式更趨合理，縮短了模具設計製造周期，降低了產品生產成本。
  7. Numerical calculation for lift coefficient of rotating circle cylinder at low reynolds

    低雷諾數下旋轉圓柱升力系數數值計算分析
  8. The methods that represent geometry elements such as line, circle and arc, plan, cylinder, cone and sphere in nurbs form are studied. meanwhile, the calculating process that interpose to nurbs curve and surface are advanced. to the processed surface, the paper brings forward a method to distill its character ( plan, cylinder and sphere ) by the main curvature of surface using its local differential coefficient geometry characteristic

    對nurbs的直線、圓和圓弧、平面、柱面和球面等的表示方法作了理論研究，同時對nurbs曲線曲面的進行插值的計算，插值后的nurbs曲面，利用其表面局部微分幾何特性，提出依據曲面的主曲率來提取特徵面（平面、柱面和球面）的方法。
  9. The resolute of numerical calculation indicates that, when re > 100, the karman vortex - street appeares, the pressure on the surface of the circle cylinder is pulsing ; when re < 1, back - flow is appeared ; when re = 10, the coefficient of lift is comparable with the theory in 0 < 9. 25

    文中給出了雷諾數等於10時的升力系數計算結果並與理論值進行了對比，在一定范圍內與理論值有可比性。
分享友人
分享到 Line

分享到臉書