渦輪計算 的英文怎麼說
中文拼音 [guōlúnjìsuàn]
渦輪計算
英文
analysis of turbines- 渦 : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
- 輪 : Ⅰ名1 (輪子) wheel 2 (像輪子的東西) wheel like object; ring; disc 3 (輪船) steamer; steamboa...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 渦輪 : [機械工程] turbine; worm wheel渦輪泵 [航空] turbopump; roturbo; 渦輪發動機 turbine engine; 渦輪風...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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Each module has a microcomputer with both turbocharged and naturally aspirated calibrations resident in its internal rom.
每一模件都有一個在其內部Rom中間同時保存有渦輪增壓和自然吸氣計算的微計算機。Calculation for transverse force of vibration in turbine runner induced by draft tube surges
水輪機尾水管渦帶誘發的轉輪橫向激振力計算Experimental studies on s1a - 02 gas turbine with water injection into compressor interstage / inlet as well as that on turbocharger self - loop test rig with inlet water injection are introduced. test results are in good accordance with simulation results, wet compression can lower compression work and increase engine power output so engine performance is enhanced, if engine power output is not changed, efficiencies of compressor and this engine become higher and turbine inlet temperature and fuel consumption become lower and if keeping t4 the same as that before wet compression is used, efficiencies become furthermore higher and engine power output increases greatly
實驗結果和計算結果同樣表明:濕壓縮減少了壓氣機所消耗的壓縮功,增加了燃氣輪機的輸出功率,提高了燃氣輪機性能,如果保持發動機輸出功率恆定,濕壓縮可以提高壓氣機和整個燃氣輪機機組的效率,與此同時,渦輪進口溫度t _ 3 ~ *和燃油消耗率下降;如果保持渦輪排氣溫度t _ 4 ~ *恆定,壓氣機和燃氣輪機機組效率進一步提高,燃氣輪機輸出功率增加。By using harika algorithm, the characteristic of a high - pressure compressor is calculated at different installation angle of the inlet guide vane and the stator vanes ; the characteristics of a high - pressure turbine and a low - pressure turbine are simulated at different installation angles of the guide vane based on ainley method
本文用harika演算法計算了導流葉片和靜子葉片安裝角度可調的變幾何高壓壓氣機特性;用ainley法計算了渦輪導向器面積可調的高壓渦輪和低壓渦輪的特性。In this paper. the conclusion of this paper has utility meaning in analysis on turbine blades cooling after some proper correcting of the geometry structure and boundary conditions
由於所採用的結構及計算域近似渦輪葉片的冷卻形式(主流加熱,內流通道冷卻) ,因此這種方法經過進一步的改進,可用於渦輪葉片冷卻的計算研究。Ntu " khpi " is the only higher education institution that trains specialists for such important branches of machine - building as turbine construction for atomic, thermoelectric, hydraulic power engineering, heavy electric machine - building, tractor - building, computer control systems for internal combustion engines, boiler - and reactor manufacturing, fat technologies and fat substitutes technologies, tank - building, electrical insulation, cable and condenser engineering
哈爾科夫工業大學是唯一一所培養下列重要部門的機器製造業專業人材:原子能、火電和水電渦輪機製造,重型電機製造,拖拉機製造,內燃機、鍋爐和反應堆的計算機控制系統,油技術和油替代技術,坦克製造,電氣絕緣,電纜和電容器製造。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。The results of computation show that the axial force on the impeller of pump pushes the pump impeller towards turbine, that axial force on the turbine makes the turbine close to the pump impeller, and axial force on guide roller propelles guide roller towards the pump impeller
實例計算發現,泵輪的軸向力拉動泵輪向渦輪靠近;渦輪的軸向力拉動渦輪向泵輪靠近;導輪的軸向力拉動導輪向泵輪靠近。A new model for film cooling effectiveness computation on blade surface in a turbine cascade
渦輪葉片型面氣膜冷卻效率的計算模型Two good examples about conjugate heat transfer problem, one with cooling method, the other without cooling inside turbine blade were investigated
最後進一步地討論了渦輪葉片中無冷卻和有簡單冷卻通道情況下的流/熱耦合計算。Haibo huang ( mechanical engineering ) directed by jianzhong xu cooling techniques in turbine have become more important since the extra high inlet temperature in turbine
隨著渦輪前溫度的提高,渦輪葉片的冷卻技術變得十分重要。渦輪葉片中流/熱耦合計算成為必不可少的熱環境分析手段。The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表面不同時刻的水壓力載荷,並利用流固耦合方法對轉輪進行結構場瞬態特性計算,分析轉輪葉片的動應力特性。The calculation result is compared with that of some experiments and other references, and it is satisfactory. the subroutines can be applied to the stress analysis of turbine disks in aeroengines
計算結果表明介面子程序具有在不同應變率條件下、應變率跳級拉伸條件下以及循環載荷條件下的模擬能力,程序正確、可靠,適于渦輪盤等發動機熱端部件的應力分析。And those characteristics of compressor and turbine are put into the steady - state design and off - design performance program of augmented turbofan engine, to calculate the influence of the geometry changing of single component on the performance of engine
計算了單個可變幾何部件的調節(包括高壓壓氣機、高壓渦輪、低壓渦輪、混合器進口面積比和噴管喉道面積)對發動機穩態性能的影響。Numerical simulation of internal secondary vortex in skew - swept impellers
彎掠翼葉輪內流二次渦系的計算機數值模擬These variable geometry components include high pressure - compressor, high - pressure turbine, low - pressure turbine, inlet area ratio of mixer and main nozzle throat area. the results of calculation show that the adjusting of low - pressure turbine and mixer has a remarkable effect on the performance of engine and bypass ratio
計算結果表明,低壓渦輪和混合器的調節對發動機的性能和涵道比的影響尤為顯著;在其它部件幾何結構不同時,單個部件幾何調節后,發動機性能的變化趨勢是不同的。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。An interpolation program is used to convert the fluent result data to the ansys load data. it is a new method to analyze turbine tip clearance. in this paper, some research of the numerical computation of the tip clearance of aero - engine is done, the parametric method is used and the research on the flow, heat and structure integration analyses is accomplished
本文對渦輪機匣氣熱固一體化分析方法做了研究,通過編制了載荷轉換與施加程序,從氣熱計算模型中提取溫度場計算結果,並作為載荷加入到熱固耦合計算模型中,實現了高壓渦輪機匣的一體化計算分析,為實現渦輪葉尖間隙的氣熱固一體化分析打下了基礎。The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation
本文完善了計算渦輪葉尖間隙的簡化演算法程序,增加了程序的計算功能,並將其應用於某高壓渦輪進行葉尖間隙分析,所得結果與理論結果進行了對比,得出修改後的程序用於葉尖間隙計算是合理的;同時提出了與葉尖間隙相關的渦輪典型部件的冷、熱態的尺寸兩種換算方法,使用優化設計的方法進行了實例分析,說明了所提出的計算方法是可行的;最後應用ansys有限元軟體利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況,並分析了計算中的接觸熱阻的處理問題。And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted
同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算,得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果,對發動機燃燒室外機匣和軸承座兩種結構(包含焊縫)進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。分享友人