設計馬赫數 的英文怎麼說

中文拼音 [shèshǔ]
設計馬赫數 英文
design mach number
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : 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...
  • : Ⅰ名詞1 [動物學] (哺乳動物) horse 2 (象棋棋子) horse one of the pieces in chinese chess3 (姓...
  • : Ⅰ形1 (顯著; 盛大) conspicuous; grand 2 (紅如火燒) bright flaming redⅡ名詞1 [電學] (頻率單位...
  • : 數副詞(屢次) frequently; repeatedly
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. The design point of the designed forebody / inlet is flight mach number m = 6 and flight attitude h = 25km. the three - ramp, mixed external and internal compression hypersonic / inlet is chosen as representative geometry to be designed. nine types of hypersonic / inlet model with difference forebody length and total turning angle are obtained that the incidence angle of the first ramp and height of isolator are given

    根據飛行任務要求,以飛行6 ,飛行高度25km為點,給定前體預壓縮角、隔離段高度,對具有不同前體長度和不同總壓縮轉角的帶隔離段的前體進氣道進行了
  2. The calculation results indicate that the starting performance of forebody / inlet with wedge - shaped lip is better than that with plane lip at low flight mach number. at high flight mach number, the performance of the forebody / inlets designed by the two methods is approximate. at low flight mach number, the starting performance of forebody / inlet designed by the method of constant shock wave intensity is better

    結果表明:唇口帶楔角的進氣道在低飛行下的起動性能優于唇口平直的進氣道;採用等激波強度和等激波角度方法的進氣道在高飛行下的性能相近,在低飛行下,採用等激波強度方法的進氣道起動性能較優。
  3. The verification results show that the theoretical analysis of nozzle is correct, the curve of the nozzle contour satisfies the design requirements, and the designed nozzle has reached the general industry criterion

    給出了流場的分佈和出口截面的。校核結果表明噴管理論分析正確,噴管型面曲線符合要求,噴管達到行業標準。
  4. Schedule for tables relating to altitudes, airspeed and mach numbers for use in aeronautical instrument design and calibration

    航空儀表和校準用高度空速和
  5. With high temperature and high pressure in nozzle of wind tunnel, the effect of variable specific heat on nozzle design must be considered

    本文針對超音速、高超音速噴管內、溫度變化劇烈的特點,研究了比熱容變化對噴管型面產生的影響。
  6. The full flow field characteristics of a supersonic inlet are illustrated at design conditions ; the influence of attack angle on flow field of the inlet is investigated ; b - spline theory is used to model the inlet with attack angle

    給出了狀態下進氣道內外流場特徵;分析了攻角變化對進氣道流場的影響;以值模擬結果為基礎,利用b樣條理論建立了反映攻角、及可調斜板角度變化的超聲速進氣道學模型。
  7. The results show that to design a supersonic / hypersonic nozzle of wind tunnel must consider the effect of variable specific heat, which gives reference to nozzle and wind tunnel design

    考慮這一因素后,噴管出口接近設計馬赫數,其精度有較大提高。本方法可為超音速高超聲速噴管和反提供參考。
  8. To prove the accuracy of the mach number, and the parameter homogeneity of the design nozzle " s exit, cfd calculate has carried on the design results. under the condition of supersonic and hypersonic flow, and a certain range of temperature, and mach number, the conclusion of the influence of specific heat to nozzle design is drawn

    為了驗證所的噴管出口的大小和噴管出口流場的均勻性,採用nnd格式和b l湍流模型求解雷諾平均n - s方程,對結果進行了cfd驗算,得出了在一定溫度范圍內,超音速、高超聲速流動的條件下,不同范圍內變比熱容對噴管型面和噴管出口的影響。
  9. In this thesis, hypersonic sidewall compression inlet ' s self - starting characteristics are numerical simulated and tested. with increasing mach number of inflow gradually, the hypersonic sidewall compression inlets can self - start. compared with the hypersonic sidewall compression inlet starting directly, characteristics are different. moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet ' s self - starting because of separation bubble on sidewall spilling out

    其次,在值模擬結果的基礎上,了實驗模型和裝置並在3 . 85的風洞中進行了移動唇口板減小內收縮比實現側壓式進氣道自起動的風洞實驗,驗證了值模擬的結果。
  10. In this study a primary method for designing a waverider configuration is developed based on the approximate solution of conical flow fields. the simplified cone - derived shock wave is discussed as the basic model for design. different shapes designed from different compression angles and basic geometric coefficients at the same mach number are put into analysis

    本文基於高超聲速條件下錐型流近似解提出了高超聲速乘波構形的初步方案,對于不同、壓縮角以及幾何進行了外形並就參外形的影響進行了討論,得到了影響外形的基本規律。
  11. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了值模擬,所採用的方法是矢通量分裂演算法.通過算可以得出密度、速度、溫度、壓力和的分佈.給出了算所使用的網格和一些算結果.簡要介紹了實驗所使用的備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參,通過實驗發現氬比氮工作更穩定
  12. Based on it, the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed. the conclusion is reached, that the design scheme of small ejecting coefficient, high ejecting mach - number, combustion - gas driving should be adopted to develop high performance, high compression - ratio prs. thirdly, the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow

    接著,推導了超聲速引射器各種一維理論模型,並應用一維理論公式分析、比較了各種超聲速引射器的性能及其變化規律,全面探討了各對超聲速引射器性能的影響,得到了高性能、大壓縮比引射器系統應該採用小引射系、高引射、燃氣引射、優化超聲速引射器方案的結論。
  13. Secondly, author find the relationship between tow - factor and incentive methods, and assume an application model. thirdly, author gather a set of important information which is propitious to analyze the relationship of personality and incentive methods. fourthly, after the analysis of data, we find the order of different personality people favor incentive methods and the order of different incentive methods adapt to personality, then analysis by synthesis

    本論文的研究成果主要有以下幾點:一是分析斯洛劃分的需要層次與激勵方法的對應關系,並需要層次與激勵方法應用模型;二是分析爾伯茨劃分的雙因素與激勵方法的對應關系,並出雙因素與激勵方法應用模型;三是通過調研得到一組不同人格對激勵方法偏好的重要現實據;四是通過對據的分析,得到不同人格對特定激勵方法的偏好順序、不同激勵方法對特定人格的影響順序,運用兩組順序,對人格與激勵方法進行了具有實用價值的綜合分析。
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