energy flow rate 中文意思是什麼

energy flow rate 解釋
能流速率
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制,增設旁通管后布置非常緊湊,管道急轉角度大且轉彎距離較小,對于管內水流流態是否滿足要求,需要經過模型試驗進行論證,以確保工程的可靠性。旁通管具有上水與泄水要求,對其過流能力也要經試驗確定,為碧流河水庫增建旁通管設計提供依據。
  2. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    ( 3 )基於最小能耗率原理,以水流能耗率作為目標函數,以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件,通過對目標函數求條件極值,分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  3. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力螺旋機技術的優點有:無需監控系統,可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。
  4. Estimation of turbulent kinetic energy dissipation rate in channel flow by piv

    數據估算槽道內湍流動能耗散率
  5. According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field, the mechanism of energy dissipation of stepped spillway is analyzed

    本文首次從紊動能和紊動耗散率在整個流場的變化規律出發,分析了階梯的消能機理。
  6. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系,研究分汊河道的分流特性,並推導理論分流模式;另一方面,通過建立二維水流數學模型,與理論分析結果進行比較。
  7. 2high efficiency but energy - saving large flow rate and high total height thanks to the patent design impeller

    2專利設計,水葉單向旋轉,大流量,高揚程,節能高效。
  8. Calculating and analysing result indicates that the control point located in the joint of first user and main pipe and the pressure difference equaled to the design value can satisfy the demand flow rate of the users and save energy

    計算分析結果表明,將控制點設置在第一個熱用戶與主幹管的連接處、控制壓差設為該處的設計工況壓差既能保證熱網中各用戶流量又較節能。
  9. Except the asphaltenes, the other 4 part was given to the gc / ms. h ) comparison of gas contents and flow rate before and after the catalytic cracking reaction ; i ) the energy cost of the catalytic cracking ; after the exper

    在此基礎上,結合熱裂解和催化裂解的反應理論解釋了生物質焦油的催化裂解原理,同時分析了催化裂解和熱裂解前後氣體成份和含量的變化。
  10. The experimental results indicate that when the air flow rate is determined, the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room. a formula is gained for calculating the critical values of air exchange rate. when ventilating rate is greater than the value, radiating heating is the better way for energy saving, or else, convection method in heating is more suitable

    實測還指出,當通風量一定時,如何保證人體熱舒適度不變而減少室內外氣溫差將成為大通風量房間節約採暖能耗的關鍵,本文結合圍護結構傳熱機理,在對三種方式的能耗狀況進行理論分析的基礎上,提出了換氣次數的節能臨界值,若換氣次數高於此值,則輻射供暖是較好的選擇,否則,散熱器供暖是較好的方法。
  11. A straight inlet baghouse which can effectively reduce energy consumption of equipment in operation and lengthen the service life of fabric bags, as well as gas flow structure in the tank body have been presented, and numerically simulating the gas flow distribution in the tank body being carried out by using calculated flow dynamics ( cfd ) method, providing a method and parameters for adjusting the gas distributing plates structure to realize reasonable flow rate distribution in the tank body

    摘要介紹了能有效降低設備運行能耗、提高濾袋壽命的直通式袋式除塵器及其箱體氣體流通結構,並利用cfd方法對箱體流量分配和氣流分佈進行數值模擬,給出了實現箱體流量合理分配的氣流分佈板結構調整方法和參數。
  12. The stress intensity factor ( sif ) and the strain energy release rate were simulated with different pre - crack length for the cases with no - flow underfill and with capillary - flow underfill

    本文第六章用斷裂力學方涪和有限元模擬分析了填充不流動膠晶元斷裂問題,計算了晶元的應力強度因於k和能量釋放率g 。
  13. The calculation result of passed flow rate in pipe section of pipeline network is significantly influenced by the momentum exchange and the local energy losses at junctions for the pipeline network comprised of the pipes of larger diameter and shorter length

    摘要對于管徑較大、管段長度較短的管網,結點處的動量交換和局部能量損失顯著影響管網中管段通過流量的計算結果。
  14. In terms of the minimum energy dissipation rate theory, the division angle and deflection angle formulas are derived and applications with some topography data of the pearl river delta waterway are introduced. finally, a 2 - d flow model in the orthogonal coordinates is established

    本文從最小能耗率的原理出發,推導分汊河道的分流角、偏轉角計算的理論公式,以角度計算公式的變換形式推導分流比公式,並介紹了最小能耗率原理的一些其它應用。
  15. Finally, the results are compared with periodic and random chains. then we studied acoustic wave propagation in 1d quasiperiodic and aperiodic systems by means of he transfer matrix. transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are computed numerically, and compared with periodic and random system

    其次研究了聲波在幾種一維準周期和非周期系統中的傳播,通過轉移矩陣的方法,數值地得到了系統的傳播系數t _ n 、反射系數r _ n 、能流密度j _ n ,能量密度e _ n和lyapunov指數,給出了以上各量與傳播長度n以及頻率之間的關系,同時發現能流及能量密度都具有分形結構,並與周期和隨機系統的結果作了比較。
  16. Firstly, acoustic waves propagation in id quasi - periodic system is studied by means of the transfer matrix method. the transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are obtained numerically. we explain all these parameters " relations with frequency and the size of system, and compare these p arameters with those o f periodic system. we find that these parameters are fractal in this quasi - period system

    通過轉移矩陣的方法,數值地得到了系統的傳播系數t _ n 、反射系數r _ n ,能流密度j _ n 、能量密度e _ n 、李雅譜諾大指數_ n ,給出了以上各量與系統大小n以及頻率之間的關系,發現這些量存在著與周期系統不同的準周期性質,其能量會出現局域化現象,能流以及能量密度都具有分形結構,給出了相應的理論解釋。
  17. The proportional pressure / flow hybrid valve ( pq valve ), which adjusts pressure and flow rate simultaneously, is increasingly adopted for the hydraulic control system in molding machine, due to its advantages of high integration degree, stable and energy - saving performance. based on the analysis of various types of pq valve, this paper investigates the control performance of the byl 16 series valve, including the static and dynamic characteristics

    本文在綜合了目前國內外各種pq閥技術現狀的基礎上,分析研究了由浙江大學研製的byl系列pq閥的靜、動態性能,並結合模擬和試驗研究,提出了改善pq閥靜動態性能的機理和有效措施,為今後實際工程應用和系列擴展設計提供了很好的理論依據。
  18. A dynamic mathematical model for high - consistence pulp refining process, with flow rate of pulp, flow rate of white water, power of disc refiner as the model inputs, and specific energy, specific edge load, concentrator level as the model outputs, is presented based on specific edge load ( sel ) theory

    研究了高濃打漿過程的建模問題,提出了基於比邊緣負荷理論( specificedgeloadtheory ,簡稱sel理論)的高濃打漿過程動態數學模型及成漿質量預報模型。
  19. The distributing of the velocity in the intake port and on the port exit and the distributing of the turbulence kinetic energy are get. the momentum moment flow rate is used to scale the swirl. some advices to improve on the port are put forward

    使用ansys的后處理模塊對計算結果進行處理,得到了氣道內、氣道出口的速度分佈、紊流動能分佈等結果,採用動量矩流率對渦流水平進行了評定,並對氣道的改進提出了一定的建議。
  20. Taking advantage of the good points of the fuzzy control adjusting the flow rate of the pump according to the variation of the external load by fuzzy inference, the energy saving of the excavator is accomplished without the help of the modelling of its whole complex system

    此方案利用模糊控制的優點,繞過對挖掘機復雜來系統模型的建立,通過模糊推理演算法,根據外負載的變化動態調整泵的流量,達到節能的目的。
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