efficiency of turbine 中文意思是什麼

efficiency of turbine 解釋
水輪機效率
  • 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。
  • turbine : n 【機械工程】(渦)輪機,葉輪機,汽輪機,透平機。 a hydraulic [water] turbine 水輪機。 a steam t...
  1. 2. recuperative gas turbine cogeneration with water injection and its thermodynamic analysis recuperative gas turbine cogeneration can reduce exhaust temperature, make use of waste heat and increase efficiency

    二、功熱並供回熱注水燃氣輪機及其熱力分析採取回熱和功熱並供可以減小熱機循環的當量排氣溫度或有效利用余熱。
  2. Measured wetness of saturated steam plays an important role in the thermal efficiency and safety of condensing turbine

    濕蒸汽參數的準確測量,對汽輪機的經濟性和安全性具有重大意義。
  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. Repowering the old power plant by gas turbine combined cycle ( gtcc ), which can enhance the using efficiency of energy, reduce the consumption of energy, save investment because of using the existed equipments and take effect rapidly

    利用燃氣-蒸汽聯合循環對老電廠進行改造,能夠提高能源的綜合使用率,降低能耗,並有效利用老電廠的現有設備,可以減少投資並且見效快。
  5. Artificial neural network algorithm for calculating efficiency of water turbine generator unit

    水電機組效率的神經網路演算法
  6. The successful development of this equipment has solved the problems of the turbine drove by hand when the batteries of hydraulic power generators in checking and repairing and improved the efficiency of the repairing

    該裝置的研製成功,解決了以往水輪發電機組檢修中的手動盤車的問題,提高了發電機組的檢修效率。
  7. The results indicated that the efficiency of turbine was enhanced obviously, the efficiency curve overcasts the unchanged one completely. given the same output, the efficiency after retrofit design was higher than that before retrofit design, which was more distinct in high load area

    結果表明,水輪機效率特性明顯增加,其效率曲線完全包絡改造前的效率以上區域,在發出相同效率的情況下,改型後效率均比改型前高,在高負荷區表現尤為明顯。
  8. The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases

    首先分析設計工況時渦輪機動力系統,在滿足魚雷動力系統的各項外部條件(如魚雷航深、航速等)和內部條件(如渦輪機功率、效率,燃燒室壓力、溫度,轉子機械強度等)的前提下,建立起設計工況渦輪發動機的數學模型,編程計算並確定渦輪機內部機械結構和燃氣熱力學狀態各參數。
  9. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計,在優化的軸流透平子午通道內,建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式,並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下,使級的某一性能指標(如級的功率)達到最優的最優控制問題,應用「代價函數法」及「共軛梯度法」編制計算程序,計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈,結果是令人滿意的。
  10. ( 4 ) in the interest of identifying the efficiency characteristic of the retrofitted turbine runner, based on relative efficiency method, the paper carried out test on the efficiency of the small turbine in tai pin shao

    0萬千瓦是合理的。 ( 4 )為了鑒定原型水輪機轉輪改型后的效率特性,採用相對效率法對太平哨的小機進行了效率試驗。
  11. In order to lessen labor intensity and increase the welding and grinding precision and efficiency of the robot, introducing and exploring a repair robot used for welding and grinding on the turbine blades is very useful for those plants

    為了減少人工修復的勞動強度,提高維護、維修的質量和效率,我們引進並自行開發了適合於我國國情的水輪機葉片修復專用機器人。
  12. Abstract : the effect of turbine characteristic on stable sectional area of surge tank can be expressed by the synthetic characteristic coefficient of turbine, it shows the effect of turbine efficiency. based on the analysis on the variation of the characteristic curve for middle or high specific speed turbine, this paper demonstrates that the largest stable sectional area of surge tank is not dependent on the lowest water head of hydroelectric plant but the design head

    文摘:通過理論推導,研究了水輪機綜合特性系數對調壓室穩定斷面的影響,即水輪機運行中不同工況點效率的相對變化對調壓室穩定斷面的影響.得出了最危險的調壓室穩定斷面取決于設計水頭,並通過實例得到驗證
  13. This essay, which researches into huaneng chongqing gas turbine power plant ( 108. 25mw ) as its object of study, carries out calculations on the variable rated performance of the steam - gas turbine combined operation, utilizing an integrated method of theoretic analytics and artificial neural net. a set of software system applicable to monitoring of plant performance has been developed based on the calculations, which is used to raise the efficiency of a combined cycle plant to achieve largest possible economic profit

    本文以華能重慶燃機電廠( 108 . 25mw )為研究對象,應用理論分析和人工神經網路相結合方法,對蒸汽- -燃氣輪機聯合循環進行變工況性能計算,並以此為基礎開發出一套適用於工況監測的軟體系統,以提高聯合循環電站的營運水平,獲取最大經濟效益。
  14. The main functions of the software include the conditions monitoring of the units and the performance analysis on line, for example, the calculation of the net coal consumption rate of thermal power plants, the net coal consumption rate of power supply, the efficiency of boiler, the efficiency of turbine and other significant index

    該系統使用方便、靈活、功能強大、界面友好,並具有數據有效性檢驗和用戶安全驗證功能,具有豐富的報表、圖形界面來顯示計算分析結果。這套系統可以在線監測和分析機組的運行效率,包括發電煤耗、供電煤耗、鍋爐效率、汽輪機效率和廠用電率。
  15. An increase in the specific work and cycle efficiency of gas turbines can be achieved through higher turbine entry temperatures. maintaining adequate life at these high temperatures requires the development of materials and efficient cooling methods

    提高渦輪發動機效率的重要途徑是提高其入口溫度,而高溫下渦輪發動機的壽命取決于相關零部件的材料特性和冷卻方法的效率。
  16. After the modification, the characteristic of outlet water of the spray nozzle is changed and the outlet temperature of the cooling water from the spray nozzle is decreased. as a result, the coal consumption is reduced and the efficiency of the steam turbine is better

    通過對噴濺裝置的改造,改變了噴頭的出水特性,從而降低了冷卻水出水溫度,提高了汽輪機真空和汽輪機熱效率,降低了煤耗,提高了機組運行的經濟性。
  17. This paper analyzes on the influence of adopting the supercritical parameters on the efficiency of the steam turbine unit, probes into the capability of the steam turbine unit with the supercritical parameters, and introduces the peakload performance, reliability and developing prospect of the supercritical steam turbine unit

    分析了採用超臨界參數對汽輪發電機組效率的影響,探討了超臨界參數汽輪發電機組的容量,介紹了超臨界機組的調峰性能、可靠性及發展前景。
  18. In addition to improving the structure of wind turbine system and the efficiency of solar cells, it is one of most effective schemes to combine photovoltaic power system with wind power system to form a solar - wind hybrid power system ( wsdbhps ) in the districts where solar energy and wind energy may complement each other to improve the economic performance of wind or solar energy power system

    提高風力發電系統及光伏發電系統的經濟性,除了改進風機結構,提高單機容量及提高太陽電池效率以外,在太陽能和風能互補地區,把風力發電系統和太陽能發電系統組合成「風光復合發電系統」就是可行的技術之一。
  19. Increase of inlet temperature for gas turbines is an effective measure to enhance the thermal efficiency of gas turbine, but this is limited to a great extent by the structural, strength of thermal parts in the gas turbine, whereas adoption of advanced cooling technology is one of effective measures for enhancing the inlet temperature of gas turbines

    摘要提高燃氣透平進口溫度是提高燃氣輪機熱效率的有效措施,但這在很大程度上受到燃氣透平熱部件結構強度的限制,而採用先進的冷卻技術是提高燃氣透平進口溫度的有效措施之一。
  20. In this dissertation, a hybrid optimization approach for automatic design of 3d turbine blades was proposed and well implemented. the applications to the stacking design optimization and full 3d aerodynamic design optimization for an annular cascade demonstrated the validity, robustness and efficiency of this hybrid approach

    本論文提出和實現了一種適用於葉輪機械全三維氣動優化設計的方法,並利用該方法對某低展弦比、大折轉角的環形葉柵分別進行了基迭優化和全三維氣動優化。
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