激波管實驗 的英文怎麼說
中文拼音 [jībōguǎnshíyàn]
激波管實驗
英文
shock tube experiment- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
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2 transmission of longitudinal stress wave in non - defect pipeline excited by axial symmetry impact has been studied by the numbers
2 、對無缺陷管道中受軸對稱沖擊載荷下激勵出的應力波進行了較為系統的實驗研究。In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style
本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究,主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響,給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型,對初始間斷進行了分解,導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式,給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded
設計了一臺封閉式單管熱分離實驗裝置,對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗;對理論分析和實驗結果進行了比較,形成了較為系統的熱分離機製冷機理和峰值振蕩理論。By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm
在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。In this dissertation, the cooling mechanism, the formation and the controlling of the shock wave was deeply studied theoretically and experimentally
本文對熱分離機的製冷機理、振蕩管內激波的行為與控制進行了比較深入的理論和實驗研究。Finally, some important conclusions were drawn, that is, using distributed pzt transducers, ultrasonic guided waves are generated and received in a pipe. usually, there are many different modes of guided wave propagating in the pipe and these modes are generally dispersive, the specific exciting signal of a harming windowed toneburst with a central frequency of 70khz for decreasing the effect of dispersion was selected. and guided wave are generated using 16 distributed pzt transducers in a circumferential direction for suppressing flexural modes
首先,對當前本課題研究領域的進展作出綜述,並簡要介紹與超聲導波技術相關的理論基礎;其次,建立了一套有效的實驗裝置,在此實驗裝置基礎上,重點研究了採用分散式pzt傳感器在管中激勵和接收特定模態超聲導波的方法:根據在管狀波導中傳播的超聲波具有頻散現象及多模態特徵,選擇具有單一頻率的特定信號激勵超聲導波,使其頻散最小;同時採用分散式傳感器抑制不同模態的波型。An experimental study of blast waves propagating in liquid sprays is described. it is conducted in a vertical tube with 5. 4m long, 0. 2m inner diameters
在長5 . 4米,內徑0 . 2米的立式激波管上,進行爆炸波在液霧中的傳播規律的實驗研究。The static pressure distributions of turbine blade surface were measured under five different circumstances and heat flux distributions of turbine blade were measured under two different circumstances. the experiment ' s accuracy, reliability were discussed
對激波管風洞實驗臺的測試精度、可靠性進行討論表明該種實驗方式對渦輪流場測壓、測熱實驗具有令人滿意的精度。Finally, we conduct the experiments of generating and receiving guided waves on a pipe with the transducer system we have developed in our lab. the result of these experiments indicates that the transducer system we have developed can effectively generate and receive special modes of guided waves we need, and restrain the guided wave modes that we do n ' t need. it is hopeful that our guided - waves transducer system can be used in the testing of pipes " flaw
最後,在實驗室中進行探頭在管道中激勵接收超聲導波的實驗,實驗結果表明,本文研製的探頭系統能夠在管道中有效地激勵和接收所需的導波模態,並且能夠抑制一些不希望出現的導波模態,有望用於管道缺陷的檢測。The flow field and the temperature field in the turbine cascade were studied in view of experiment and computation. using the shock wind tunnel, two kinds of turbine cascade were tested
本文在激波管風洞中利用兩種葉柵在總共五種工況下進行了葉表靜壓測量實驗,在兩種工況下進行了葉表熱流率測量實驗。Shock tube virtual testing system is indispensable part of the virtual system of testing sensor ' s dynamic performance
激波管虛擬實驗平臺是傳感器動態特性虛擬實驗系統的一個必要組成部分。Experiment about weakening the energy of the reflecting shock waves in the incepting tube
削弱接受管內反射激波能量的實驗研究Abstract : some typical results of computation on the shock ( blast ) wave interaction ( 2 - d and 3 - d ) with bodies and its experimental validation in shock tube are summarized, the suggestion for improving the numerical method ( difference scheme and grid systems ), developing 3 - d optical quantitative visualization technology and further studying the unsteady turbulent flow are put forward
文摘:給出了在二維和三維條件下激波(爆炸波)與物體相互作用的一些典型計算結果,概括總結了激波管中實驗的有效性,提出了改進數值方法(包括差分格式,網格系統) ,發展三維光學定量可視化技術和進一步研究非定常湍流的建議。分享友人