specific turbine 中文意思是什麼
specific turbine
解釋
比速渦輪-
The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load
調速器的主要功用是檢測機組轉速偏差，並將它按一定特性轉換成接力器的行程偏差，藉以調整機組導水結構的開度，使機組在給定的負荷下以給定的轉速穩定運行。 -
This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station
本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究，通過對國內外的大容量、高水頭水輪機的比轉速統計計算，利用水輪機的相似理論，採用回歸統計計算方法，統計出了比轉速統計方程，並進行了水輪機主要參數選擇論證，提出了適合拉西瓦水電站水輪機的主要目標參數。 -
The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory
文中以熱力學理論為基礎，計算了低溫余熱發電系統的運行參數（比焓、熵、工質流量、雷諾數、管路壓力等）和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數，並計算了系統的效率。 -
The capacity and size of modern hydrogenerator set are larger with rapid developing of hydroelectric engineering, specific speed of hydraulic turbine increase too. the phenomenon of excessive vibration in some load area is founded ubiquitously
隨著水電工程建設的高速發展，現代水輪發電機組的容量和尺寸日趨增大，比轉速也相應提高，普遍出現在某些工作區域內振動過大的現象。 -
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。 -
Clogging up of the cooling air slits in the turbine blades is primarily caused by ultrafine particles with a high specific surface area
渦輪葉片之間冷卻空氣縫隙的堵塞主要是因為存在高比表面積的超細粒子。 -
First, based on reading lots of references biomass gasification technology is discussed in detail including the basic principle of biomass gasification, categories and working principle of biomass gasification equipment and ancillary system of biomass gasification in this paper. second, performance calculation modules of sub - systems such as gas turbine, heat recovery steam generator, steam turbine and dryer in the bigcc system are built, especially, performance calculation modules of gas turbine fueling biomass fuel gas based on variable specific heat and biomass dryer are built. in the mean time, program of performance calculation modules for sub - systems is developed using delphi 6. 0
首先，本文在閱讀大量文獻基礎上對生物質氣化技術進行了詳細的闡述，主要包括：生物質氣化基本原理、生物質氣化設備的種類和工作原理以及生物質氣化的附屬系統；其次，建立了bigcc系統中各個子系統燃氣輪機、余熱鍋爐、蒸汽輪機、乾燥器等的性能計算模型，特別建立了基於變比熱的燒生物質燃料氣的燃氣輪機性能計算模型和生物質乾燥器的性能計算模型，並用delphi6 -
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 -
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。 -
This thesis gives a fundamental quantitative analysis of the cycle of recuperative gas turbine cogeneration with water injection and mainly discusses the influence of water injection ratio and pressure ratio on the specific power and the amount of heating
本論文對功熱並供回熱注水燃氣輪機熱力循環進行了基本定量分析。主要分析了注水率和壓比對比功和供熱量的影響。 -
Numerical simulation of three - dimensional steady flow field with varing specific heat in a two - stage turbine
某型兩級渦輪變比熱容三維定常流場的數值模擬 -
This thesis gives a brief introduction to basic theory of wind power, construction of wind farm and commissioning and operation of wind turbine by illustrating the 3rd phase extension project of ningxia electric power group co., ltd helanshan wind fram. based on the specific study on the engineering construction and the domestically and globally popular 850kw wtg, further by comparasion of the power output rate of g52 and g58, we can prove that with substitute of new material and new technology, larger capacity wtg will become popular. especially when the running diameter of blades enlarged, more power produced at same wind speed ; and the high efficiency will be further guaranteed if the gearbox, major shafting equipment be checked and maintained regularly
根據對實際工程建設的具體研究，對我國及國際上主導機型850kw風機的具體分析，以及對g52和g58風機輸出功率的比較，更進一步證明在新的技術和材料替代下，更大型的風力發電機組將會替代現有主導風機機型，特別是在風機葉輪轉動直徑增大后，相應的輸出功率在同等風速下會有明顯增加，更好的利用風能並轉變為電能;齒輪箱作為風機中主要傳動設備，只有按維護要求並根據實踐經驗定期檢查易損部件，才能使風機安全高效的運行，提高風機的經濟運營效率。
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