efficiency of pump 中文意思是什麼

efficiency of pump 解釋
泵效率
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  • of : OF =Old French 古法語。
  • pump : PUMP =politically upwardly mobile personality 政治新星,政治上有望晉升人士。n (淺口無帶的)輕舞...
  1. From the efficiency curves, we can obviously see that it has the fittest length of crystal and the power of pump if the other condition is determined

    提出了在雙諧振時,平面波和高斯光束在一定的泵浦條件下,都存在最佳長度、最佳泵浦強度的問題,並對其進行了計算機數值模擬。
  2. 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
  3. In order to improve the efficiency of the permanent canned - motor pump, and decrease electromagnetics effect of the liners in designing the permanent magnet canned - motor pump. the main parameters of the permanent canned motor pump have been calculated with the finited element method, the eddy - current of the liners also have been studied deep and systematically in this dissertation

    為提高永磁屏蔽電泵的效率,減少永磁屏蔽電泵設計中屏蔽套電磁影響問題,本文對永磁電泵電磁場進行了有限元分析,計算了主要參數,對屏蔽套的渦流問題進行了分析研究。
  4. In the situation that the reflection loss of the duct inwall was not in considering, even condensed the pump beam 100 times, it could realize the output efficiency of more than 70 %, this was that the other coupling way hardly to accomplish

    在不考慮內壁反射損耗的情況下,即使將泵浦光束縮束100倍,也能夠實現70 %以上的輸出效率,這是現有其他耦合方式難以實現的。
  5. Then some optimal models of water supply networks are enumerated and some factors which can influence the optimal results are analyzed such as the efficiency of pump station, the temporal value of fund, the curve of water consumption and the coefficient of water supply energy and so on

    接著,列舉給水管網優化設計的數學模型,並分析影響目標函數優化結果的各種因素,例如泵站效率、資金時間效率、用水量變化曲線、供水能量變化系數等。
  6. The experiment shows that by changing the velocity coefficient, the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency

    實驗證明通過改變葉片型線參數方程中的速度系數的取值,可以控制邊界層的分離,進而改善泵的性能,提高其水力效率。
  7. The efficiency of the pump are calculated and simulated ; the stability, quickening and sensibility relating to dynamic response are analysized ; the effects of some parameters on system performance are discussed and the way to improve performance is pointed out at the same time

    計算和模擬了不同條件下對泵效率的影響;分析了動態響應的穩定性、快速性和靈敏性;探討了系統參數對其性能的影響,並提出了改善系統性能的途徑。
  8. Method for measuring the efficiency of hydraulic turbines, storage pumps and pump - turbines thermodynamic method

    水輪機蓄水泵及渦輪泵的效率測定方法
  9. A test - bed of dg45 - 80 10 hypo - pressure feed water pump is designed, based on which the general on - line performance testing system is developed and the thermodynamic method is introduced to measure the efficiency of the pump. a new programming technology combining vc + + with matlab is presented by which the vibration monitoring system of boiler feed water pump is developed successfully to perform data analysis after on - line acquisition

    本文首先進行了次高壓鍋爐給水泵dg45 80 10實驗臺的設計,在此實驗臺設計成功並安裝調試通過的基礎上,開發了鍋爐給水泵通用性能試驗系統,包括測點的布置、各型測量儀器的選購,設計,安裝和調試以及軟體平臺開發。
  10. With the rapidly increasing awareness of pump efficiency, more and more attention has been paid to the appropriate design of pump sump

    隨著對水泵效率越來越高的要求,設計恰當的吸水室成為改善水泵性能和提高效率的必不可少的步驟。
  11. The hydraulic characteristic of the inlet and outlet system which is an important part of urban sewage pumping station has a direct influence on the efficiency of the pump

    進出水系統是城市排污泵站中的一個重要組成部分,進出水系統的水力特性對水泵性能有著直接的影響,良好的進出水條件可以使水泵裝置達到良好的運行狀態、獲得較高的效率。
  12. Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency

    泵與風機在電廠中占較大數量比例,且消耗大量電能,節能潛力巨大,對其改造需要強有力的工具和理論支持,用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能,又能最大程度地提高其方便性與交戶性,應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發,替代泵與風機性能試驗,形成一體化的優化、輔助製造系統,可大大提高設備改造的效率與質量,其主要思想是基於fluent的cad構體軟體gambit進行二次開發,簡化了泵的構體過程,同時,為了優化及參數化方便,採用基於webbrowser的數據管理方式,生成新的記錄文件同時產生新的fluent計算能識別的圖形網格文件,這樣就將設計優化者從繁瑣的圖形設計及優化中解脫出來,專注于對計算方案的確定及計算結果的分析,極大地提高了設計優化的效率。
  13. The construction of the control ring seal for the coal gas wash pump was improved, the seal function and capacity efficiency of pump was increased adopting the stainless steel cone control ring, the industry stability and economy energy was obtained

    摘要對煤氣洗滌泵口環密封結構和材料進行改進,採用圓錐形不銹鋼口環,提高了密封性能和泵容積效率,工業運行穩定,節省了電源。
  14. Results indicate that flow deviation in discharge passage is formed by co - action of pump outflow circulation and secondary flows in outflow curved pipe, hydraulic loss of discharge passage increases and pump assembly efficiency decreases because of flow deviation

    結果表明:水泵出流環量和出水彎管二次流共同作用形成了出水流道偏流,偏流使出水流道水力損失增大,泵裝置效率下降。
  15. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。
  16. ( 4 ) the paper compares the economical efficiency of the vrv heat pump air condition system to the traditional heating systems. form the results, nearly 740, 000 yuan can be saved when this system is be used to maintain 18 ? indoors every year

    通過採暖費用與vrv熱泵空調系統運行費用計算及比較可知,採用vrv熱泵空調採暖在保證冬季室內溫度+ 18條件下,每年可節省近74萬元,經濟效益十分明顯。
  17. The pick - up tube is one of the most important overflowing parts, and its design result will directly influent the efficiency of the roto - jet pump

    集流管是旋噴泵的重要的過流部件,它的設計的好壞直接影響到旋噴泵的效率。
  18. From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves

    從三波耦合方程出發,對clbo用於皮秒級光參量放大時,最佳晶體長度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬,結果表明clbo晶體適合在短波范圍作光參量放大,為達到高的轉換效率和窄脈寬的信號光輸出,泵浦光和初始入射信號光的強度應根據晶體長度取最優化值。
  19. The flow of every pump is inclined to be different in the same side - inlet sump and the poor flow pattern, and then the inlet condition of the pump is not good, which makes the efficiency of the pump drop and causes vibration etc. based on the theses on the hydraulic characteristic of the wenshui road pumping station in the third period shanghai disposal sewage project, the methods were discussed to improve the flow pattern of side - inlet sump, and the measures were put forward to ameliorate the flow pattern in the paper

    對側向進水集水池,一般會出現同池各水泵配水不均勻,池內流態紊亂、水泵吸水條件差,繼而導致水泵效率下降、機組振動等問題。本文結合上海市污水治理三期工程汶水路泵站水力特性研究課題,探討了改善側向進水集水池水力特性的途徑與方法,提出了有效的整流、均流措施。
  20. The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on

    指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據,蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。
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