supply velocity 中文意思是什麼

supply velocity 解釋
供流速度
  • supply : vt ( plied) 供給;供應;配給;補充,填補,彌補(不足、損失等)。 Cows supply us (with) milk ...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部有集中熱源的地板送風空調小室,利用phoenics軟體,在計算分析小室內氣流的速度場及溫度場的基礎上,對對流熱轉移量的變化規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關,並且得出了其相關關系式。
  2. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。
  3. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。
  4. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  5. The research of cannibalization tactics provides a reference for the management of perishable high tech company, and it have important purport today. hope that this paper can establish the recognition of perishable high tech products ’ cannibalization in high velocity market and supply the theoretical basis for cannibalization in the renewal period

    快變市場中易逝性高科技產品更新中拼並的管理是現代高科技企業面臨的一個挑戰,拼並策略的研究為高科技企業管理易逝性高科技產品的更新過程提供了參考的方向,具有一定的現實意義。
  6. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流器和條縫風口送風,空調室內的溫度場和速度場較均勻,室內的熱環境良好。
  7. Then the air distribution system of the above - mentioned hotel ' s multi - function - hall was simulated with fidap, and the indoor temperature and velocity under the preliminary option was calculated. under the half - load condition of small air - supply quantity and slow velocity, finds that the problem has arisen, which the cold jets fall too fast in summer and the air distributes layer upon layer in winter

    然後應用fidap對上述旅館的多功能廳空調氣流組織初步方案進行了數值模擬計算,預測了該初步方案的室內溫度、速度分佈,發現在送風量和送風速度小的半負荷工況下,會出現夏季送風時冷射流過早下降,冬季送風時氣流分層分佈的現象。
  8. Definition of inlet velocity of tube well for water supply and its calculation

    供水管井進水流速的定義及其計算上
  9. The second variable of supply chain management performance is velocity - or the speed of the supply chain. it is governed by the speed of access to good data, planning cycles and execution cycles

    供應鏈管理成效的第二個可變因素是供應鏈的加速度,或其速度.它是由獲得貨品數據,計劃周期及執行周期這三方面的速度所管轄著的
  10. Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc

    應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基,地震勘探可以檢測其回填處理效果對于隧道工程,可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度,可以準確推算地基的承載力動彈模量等力學參數。
  11. According to thermal state similitude model experiment of the langya mountain hydropower station, we adopt different velocity of air ventilation and exclude air proportion of upriver and downriver, this paper contrast the air distribution of the dynamo floor on each method, and educe the best projects of arch crest supply air that adapt to langya mountain hydropower station ’ s dynamo floor : g = 17. 4 10 ~ 4m ~ 3 / h, 22 vents, d = 600mm, the scale of volume 1 : 3, t0 = 16. 9. it ’ s also thought that improved any side of volume can reduce its temperature. when study on the air supply of langya mountain hydropower station ’ s underground dynamo floor by cfd software, it proved that cfd software is correct when compare with model experiment. when arrange the number of 5 kinds of vents, it concluded that the number of vents 14 to 22, it can ’ t change velocity, in 36 to 40 can lead to reduction of velocity. when vent in 14 to 36, the parameter kt doesn ’ t change, when the number is as large as 36, kt reduces

    在此基礎上,模擬了5種風口布置方案和送風量的改變對發電機層溫度場和速度場的影響,獲得了些可供參考的結論:在風量和送風速度不變的條件下,風口個數在( 14 ~ 22 )小范圍變化時,工作區平均風速基本不變,大幅度增加風口個數( 36 ~ 44 )就會導致工作區平均風速的降低,風口數在14 ~ 36之間對工作區的溫度不均勻系數影響不大,當風口數> 36時,溫度不均勻系數隨著風口數的增多而變小,速度不均勻系數一直隨著風口數的增加而減少;在風口布置和尺寸不變的情況下,送風量變化時,工作區平均溫度隨送風量增大而降低,平均溫度的降低量逐漸趨于減少,能量利用系數先是隨著送風量的增加而增大,后隨送風量增加而減少。
  12. In the second part of our paper " s work, we give the detail design of new - style all digitized radar terminal. this design is based on up to date multi - rate signal processing technology, and is developed from old cw velocity measuring radar " s terminal. at the same time, radar supply oscillator " s design based on dos technology is also present

    在本文工作的第二大部分,我們結合最新的軟體無線電技術,在原有的連續波測速雷達技術基礎上,進行了系統結構創新,給出了符合現代技術特點的全數字化的系統軟硬體設計。
  13. According to the rate of increase form of the equation of the income, money supply rate of increase which as monetary policy intermediate objective mainly is decided by the economic growth rate, rate of price rises and rate of change of speed of the monetary velocity. therefore, through the study on monetary velocity, we can analyze the actual effect of the monetary policy more deeply, and play a certain reference arriving role to the formulation and implementation of the monetary policy

    根據收入方程式的增長率形式,作為貨幣政策中間目標的貨幣供應量增長率,主要取決于經濟增長率、物價上漲率和貨幣流通速度變化率。因而,通過對貨幣流通速度的研究,能夠更加深入地分析貨幣政策的實際效果,並對貨幣政策的制定和實施起到一定的參考作用。
  14. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: ( 1 )綜述了國內外相關的研究現狀和研究背景; ( 2 )簡介了置換通風的工作原理,並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; ( 3 )對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; ( 4 )對採用置換通風方式房間的熱力分層高度進行了模擬計算,並分析其影響因素,如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; ( 5 )擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。
  15. The tesults show that the boronizing supply agent is feasible, and re can accelerate the boronizing velocity

    結果表明:採用該滲硼劑是可行,且稀土可提高滲硼速率。
  16. The improved option is put forward with adjusting air - supply velocity and change its angle

    在此基礎上,進一步提出了調整送風速度,改變送風角度的改進方案。
  17. The research indicated that the conductance measurement could appraise the characteristic and velocity of slow release fertilizer fast and accurately and qualitatively, while soil culture method and water cultivation could determine its supply performance quantitative

    研究表明,可以用電導率法快速準確地定性評價緩釋肥料的供肥特性和供肥速度,用土壤培養法和水培法定量測定其供肥性能。
  18. Chapter 2 expounds and proves the endogeneity of china ' s money supply from the aspects of money base, money multiplier, and velocity of money respectively. also analyses theoretically and empirically the phenomenon of extra money supply in china

    第二章則分別從我國基礎貨幣、貨幣乘數、貨幣流通速度角度論證了中國貨幣供給的內生性質,其中對超額貨幣供給現象也做了理論和實證分析。
  19. Large maintenance machinery by way of modem construction instrument, possess more advantage of tradition remedial operation mode. thereof high velocity, high quality and expeditious construction operation supply favorable ensure for running operation, so it became major trend of railway curing remedial operation all over the world

    大型養路機械作為現代化的施工手段,具有傳統維修作業方式不可比擬的優勢,其高速度、高質量、高效率的施工作業為線路良好的運營提供了有利的保證,成為世界各國鐵路養護維修作業發展的主要趨勢。
  20. Therefore, the thesis putts forward a preliminary modifying air conditioning design option, which can improve the whole comfort character of guest rooms, by selecting fan - coils units rationally, adjusting air - supply angle and decrease air - supply velocity

    為此,本文提出了合理選擇風機盤管、調整送風角度、減小送風風速,提高客房整體舒適度的空調設計初步改進方案。
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