消聲型 的英文怎麼說

中文拼音 [xiāoshēngxíng]
消聲型 英文
silence type
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  1. With its newly developed diffuser, the ksb group has managed to lower by 20 db the noise emission of a large pump produced 21 years ago in what was then the gdr

    通過最新研製的消聲器，凱士比公司成功將21年前生產的一臺噪音很大的大型機泵的聲音降低了20分貝。
  2. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論，使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體，研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法，利用現有模型的吸聲系數計算公式作為目標函數，初步優化了一些結構的材料參數。
  3. New suppressors for machine - tool acrodynamic devices

    機床氣動夾具用新型消聲器
  4. Finally, the experiments on the rotor bvi noise are conducted both in an aeroacoustic laboratory and at outdoors, and the noise characteristics at different locations are measured on different blade - tip mach numbers, collective pitch angles and rotor configurations. based on the experimental results, some new conclusions are presented

    本文第七章分別在「消聲室」和外場進行了模型旋翼的槳-渦干擾噪聲實驗，對不同馬赫數、不同槳距角以及不同旋翼布置情況下的不同測點進行了噪聲測量，得出了一些新的結論。
  5. Design of resonance board composite sound deadening

    共振微孔板復合型消聲器設計
  6. The types of impedance transition and of composite resonant are now widely used, but the research in this area is not perfect. in this paper analytical means is used to study absorption coefficient ' s prediction models. diversified cavity structures and material parameters are analyzed in detail in order to the anechoic coalings " acoustical design

    現代應用的吸聲層基本是阻抗過渡結構或復合諧振吸聲結構，但我國在這一領域的研究卻不盡如人意，針對水下消聲覆蓋層的吸聲系數預報及聲學設計問題，本論文利用多種解析方法研究聲學模型，並對各種模型的聲腔結構和材料參數做了詳細的分析，為消聲層的聲學設計打下了良好的基礎。
  7. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上，其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究，特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討，得到了一些有用的結論，對消聲器性能的提高具有一定指導意義。
  8. And integrate actual circs and principle of noise elimination, developed one kind of new silencer, thereby gained our ends that noise is attenuated

    並結合我廠實際情況與消聲原理，研製出了一種新型的消聲裝置，從而達到了降低我廠電解車間噪聲的目的。
  9. It is the propose of this paper to develop a method to reduce the noise level of ma60 apu without more weighting and other infection on airplane. to accomplish this object, a new type of micro perforated absorber is used

    針對新舟60飛機apu本身的結構和環境特性，我們採用一種新興的環保型消聲材料-微穿孔板為上要吸聲結構完成降噪設計。
  10. In this paper, the effect of disc muffler on vibration and sound radiation of worm shell is discussed

    摘要探討了圓盤型進氣消聲器對蝸殼振動和聲輻射的影響。
  11. The corporation is professional at manufacturing the fin, tube - in - sheet copper, aluminium evaporator and fiber tube condenser of refrigerators ; indoor / outdoor copper, aluminium connecting pipe for air - conditioner ; fittings pipe of air - conditioner ; stainless steel cooling tube, heating tube of water dispenser, assembly of copper, aluminum evaporator and fiber tube condenser of small refrigerator, copper & aluminum joints with various specifications ; various models of copper & aluminium liquid reserviors, muffler and oil segregator ; various radiators of electric control board

    企業生產工藝先進，技術裝備精良，其中高、中級工程師多人，專業生產冰箱、冷櫃翅片式.板管式銅.鋁蒸發器及絲管冷凝器；空調室內外機銅.鋁連接管；空調配件管；飲水機不銹鋼冷罐、熱罐、小冰箱銅.鋁蒸發器總成及絲管冷凝器總成；各規格銅鋁接頭；各型號銅.鋁儲液器、消聲器、油分離器；各類電控板散熱器。
  12. Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic

    空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管
  13. For the theoretical research of catalytic converter, this paper has discussed and analyzed the emission reduction principle, muffler noise suppression mechanism, substrate ' s physical & chemical performance and the durability, and concluded the theoretical principles for the application of exhaust emission control converter. especially in the research of noise suppression mechanism, a new conception of " equivalent design " for catalytic converter and muffler was revealed, which provided the theoretical basis for the optimization of exhaust noise suppression and engine power loss for light - duty vehicle

    在排氣凈化器的理論研究方面，本文主要從排氣凈化器的凈化機理、消聲機理、載體的物化性能以及使用壽命等方面進行了討論和分析，得出了排氣凈化器應用的理論依據，特別是在消聲機理的研究方面，本文提出了一種全新的凈化器與消聲器的等效結構概念，為輕型汽車排氣凈化消聲系統在降噪和發動機功耗方面的優化設計提供了理論基礎。
  14. To the cabin which is designed by the forth department chongqing communication college, the model which includes the air in the cabin, generator set and public muffler is built integer, meshed, and added by boundary condition and load. the normal k - model etc are used to be turbulence model of the air in cabin respectively, the turbulence model is calculated by simplef or simplen algorithm, and by the first order accurate msu or the second order accurate supg in advection discretization scheme

    論文對艙內空氣、發電機組和公用消聲器進行了整體建模和網格劃分，施加機組艙模型的邊界條件和載荷，採用標準k -等多個模型來分別模擬機組艙通風散熱的空氣湍流流動，採用simplef和simplen兩種不同的數值演算法以及一階msu和二階supg的對流項分離方案來對流動模型進行運算。
  15. This will appeal to engineer in the design process of the public building air condition system, satisfied the room function request, at the same time, proceeding sound attenuation sound absorption design of the air condition system reasonably. according to the noise of air - condition system and the pipe regenerative noise, compute demanded sound deadening capacity. designing and choosing the right type and equally outline measures

    目前，在建築設計過程中通常首先計算空調設備運行時產生的設備噪聲以及空調管道工作時產生的再生噪聲；然後根據建築設計手冊中相應的噪聲允許值的規定計算出系統所必需的消聲量；最後根據空調系統的實際情況，科學地確定適宜的消聲器類型和規格，以此達到使用空間的噪聲要求。
  16. In theory, the noise elimination capacity is calculated by the method which the characteristic equation of noise elimination of the dissipative silencer is translated into the constant differential eguation. and the project simulates and calculates the distributing thing of interior velocity of flow by the finity element

    在理論上，採用了將阻性消聲器的消聲量特徵方程轉化為常微分方程的計算方法計算消聲量；在計算阻性消聲器的阻力損失時，運用了有限元數值模擬的方法模擬計算了簡化消聲器模型內部流場流速的分佈情況，並由此得到其動態阻力損失。
  17. The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance

    解析模型以分層介質中的波動理論為基礎，建立了等效參數的概念，並運用聲阻抗的復數表示法把阻尼層對介質層聲能吸收的影響都考慮進去，通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。
  18. The results of calculation simulation has good consistency with the experiment one and some useful conclusions are obtained

    計算結果與已進行的模型罩消聲水池的試驗結果吻合良好。
  19. The experiment model that scale is 1 to 2. 5 was made. model experiment results show that numerical simulation scheme has gratifying precision and is very effective for forecast of resistance characteristics of marine exhaust mufflers

    按照所確定的結構製作了幾何比為1 ： 2 . 5的實驗模型，模型實驗結果表明，本文的數值模擬方案具有令人滿意的精度，對于船用排氣消聲器阻力特性預估是非常有效的。
  20. Secondly, for the problem to get the exact structure parameters of mechanic products, a typical muffler was taken as example. on the basis of constructing the fea model of muffler, the computational inverse technique was developed to characterize its ’ inner structure parameters and its ’ reliability was also validated

    其次，針對機械產品變形設計領域中常見的部分結構參數精確獲得困難等問題，以某一典型結構消聲器為研究對象，提出了將反演設計技術應用於消聲器內部結構參數反求分析的方法。
分享友人
分享到 Line

分享到臉書