跨聲速流 的英文怎麼說
中文拼音 [kuàshēngsùliú]
跨聲速流
英文
transonic flow-
Computation of transonic viscous flow of a projectile
彈丸跨聲速粘性繞流數值計算Numerical simulation of transonic flow field in two turbine cascades
兩個渦輪葉柵跨聲速流場的數值模擬2. the transonic flow field solutions of a ttcp standard waf - body combinations are computed using the software of cfd, the results are agreement with experiment dates, this verifies that the accuracy of the numerical simulation model is ensured
2 .應用cfd軟體對某ttcp標準卷弧翼-身組合體跨聲速下流場進行數值計算,將計算結果與文獻試驗結果進行對比,驗證本文數值計算模型。Numerical simulation of two dimensional transonic two - phase turbulent flow in nozzle
噴管二維跨聲速兩相湍流流場的數值模擬Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results
文摘:應用基於多波長消光法原理發展的光學探針,測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度,並給出了實驗結果。The cell - centred finite volume algorithm, nnd finite volume algorithm and ausm + finite volume algorithm are studied for solving the euler equations, their abilities for hypersonic problem are studied especially
本文分別對格心有限體積格式、 nnd有限體積格式和ausm +有限體積格式進行了研究,在求解euler方程的基礎上,研究了它們對跨音速以及高超聲速流場計算問題的解決能力。The comparison showed that : ( l ) farassat 1a formula is the simplest one and work well for the subsonic rotor. ( 2 ) both kirchhoff formula and k - fwh formula can predict the nonlinear noise generated by transonic rotor ; ( 3 ) when the surface is not positioned in the linear region, kirchhoff approach for rotating integration surface could lead to substantial error, but k - fwh formula can still work well
數值研究表明: farassat1a公式在預測線性噪聲方面簡單有效,適用於亞音速旋翼的噪聲預測; kirchhoff公式和k - fwh公式均能夠預測跨音速旋翼聲場,並且具有較高的精度;當聲源面位於流動非線性時, kirchhoff公式會導致很大的計算誤差,而k - fwh公式不存在這樣的問題。The flowfield over low - drag and long - range projectile with small attack angle is numerically studied from transonic to supersonic velocity. it provides basic work for aerodynamics characteristic of this projectile and for lateral jet interaction flowfield, and it shows this projectile can decrease drag. zonal method is tried to compute flow over projectiles and results is satisfied, but computation is much slower
系統研究了低阻遠程彈丸在小攻角狀態,低跨聲速、高跨聲速和超聲速時的非對稱繞流流場,為該彈形氣動力研究提供理論指導並為彈丸側噴流研究奠定基礎,結果顯示低阻遠程彈丸外形具有優化繞流場、減小空氣阻力的特點。分享友人