流動柵 的英文怎麼說
中文拼音 [liúdòngzhà]
流動柵
英文
fluidizing grid-
Effect of reynolds number on turbine cascade flow
雷諾數對渦輪葉柵流動的影響The numerical flutter analysis system was formed by the three - dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade
將振動葉柵三維流動數值模擬與振動葉片結構動力學分析相結合,建立了葉片顫振數值分析系統。Numerical simulation of 3d flow in a turbine cascade at large incidence
透平葉柵大攻角流動特性的三維數值模擬Numerical simulation of the three - dimensional turbulent flow in a turbine stage cascade
渦輪級葉柵三維湍流流動的數值模擬Numerical simulation of wet steam flow with spont - aneous condensation in turbine cascade
平面葉柵中的濕蒸汽兩相結流動數值模擬Baiyinbaoligao, sun dong - po, li guo - qing. adjustment of flow momentum in curved channel by using diversion grid j. journal of hydraulic engineering, 2001 ( 1 ) : 15
白音包力皋,孫東坡,李國慶.導流柵對彎道水流動量調整的研究j .水利學報, 2001 ( 1 ) : 15Unsteady flow analysis of vibrating cascade under flow structure coupled condition
氣固耦合振動葉柵非定常流動分析研究Second, the structural dynamic equations for blades are introduced in this paper. through numerically solving the aerodynamics - structure coupled equations, a 2 - d unsteady viscous flow in a single cascade is investigated under flow - structure coupled conditions, and a preliminary analysis of the cascade flutter is prosecuted
其次,本文引入葉片結構動力學方程,通過數值求解氣動結構耦合方程體系,研究了氣固耦合條件下葉柵內的二維非定常粘性流動,並初步進行了葉柵的顫振分析。This dissertation has on the research and design of a micro turbine engine as background and it is for the purpose of comprehending viscous flow behaviors in micro scaled conditions and that in the mini - turbine cascades. a mini wind tunnel is designed and set up which also can be used in other micro flow experiments. on the basis of this mini wind tunnel, three mini flow experiments, including micro jet experiment, micro boundary layer experiment and mini - turbine cascades experiment, have been carried out
本文以某型微型渦輪噴氣發動機研製為背景,以認識微尺度下粘性流體流動狀態及其機理和微渦輪葉柵通道內部流動特性為目的,設計並搭建了除本實驗外還可供其他流體力學實驗使用的微型風洞,並在該微型風洞基礎上進行了微尺度射流實驗、微尺度壁面邊界層實驗和微尺度渦輪葉柵實驗。By choosing reasonable suction location and combination, the large scale profile separation can be well controlled, but the effect on decreasing the secondary flow loss is limited
計算結果表明,通過選用合理的抽吸位置及抽吸方式的組合,附面層抽吸能較好地控制葉柵內的大尺度的葉片表面分離流動,但對二次流損失的改善效果並不明顯。Numerical investigation of three - dimensional separation flow in the rotor cascade of a steam turbine governing stage at large negative incidence
汽輪機調節級動葉柵大負沖角工況下的三維分離流動研究Measurement of the gas - flowing properties in the air - cushion ant i - erosion cascades
氣墊防磨葉柵內氣體流動特性的實驗研究Rng k - turbulence model and standard wall functions were used. the results show that the basic flow and heat transfer patterns of both cases were all well simulated, but further improvement on the accuracy of numerical simulation is needed
結果表明數值模擬從定性的角度較好的模擬了葉柵端壁附近的流動和型面換熱規律以及型面氣膜冷卻的流動與傳熱問題,但在數值上的準確性還需要進一步的改進和提高。Accumulators ; tests ; sealed lead storage batteries with grid type plates and immobilized electrolyte, maintenance free ; test methods
蓄電池.試驗.採用柵極板和不流動電解液的免維護密封Numerical study of the unsteady flow in a plane compressor cascade
平面壓氣機葉柵非定常流動的數值研究Results from this investigation show that the loss generation within the coolant holes is substantial and that ejection into regions of low static pressure increases the loss per unit coolant mass flow. the results also reveal strong interactions between endwall coolant ejection and secondary flow in the blade passage. the secondary flow has a strong influence on coolant trajectories and coolant ejection delays the three - dimensional separation of the inlet boundary layer on the endwall, chang the secondary flow and reduces its associated losses
本文的研究成果顯示,冷卻孔內產生的損失是主要的,並且低靜壓區域的冷空氣噴射會增加單位冷空氣質量流的消耗;噴射的冷空氣與葉柵端壁流場之間有強烈的相互作用;二次流對冷卻空氣的流動軌跡有較強的影響;冷空氣噴射能延緩端壁入口邊界層的三維分離、改變二次流從而減少其相關損耗。High - resolution nnd scheme and fully implicit dual - time stepping method were adopted in the three - dimensional vibrating cascade flow calculation. thus, the correct simulation of the shock in transonic flow and the efficiency of calculation were both taken into consideration
在三維振動葉柵流動數值模擬中,採用高解析度tvd類型的格式和全隱式雙時間方法,保證了對流動的正確模擬,準確地捕捉了跨音流動中的激波,其計算效率非常高。The phase - lagged method was adopted to solve the difficulty caused by the different number of vanes in different vane rows, some experiences and some formulas were shown in this paper
本文通過數值求解navier - stokes方程來模擬軸流式葉輪機械內多排葉柵通道二維粘性流場的非定常流動。By using a finite volume method to solve the navier - stokes equations, two - dimensional vibrating cascade flow was computed
採用有限體(面)積法求解navier - stokes方程,完成了二維振動葉柵流動數值模擬。There were some intensively nonlinear features in the vibrating cascade flow. the frequency of the separated vortex ' s propagation was not equal to the vibrating frequency of the blade
二維分析中發現振動葉柵非定常粘性流動具有較強的非線性特徵,振動誘發的分離渦傳播頻率與葉片的振動頻率不一致。分享友人