熱聲學 的英文怎麼說
中文拼音 [rèshēngxué]
熱聲學
英文
thermoacoustics- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
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After reviewing the history and recent developments of the research on thermoacoustics, and introducing the classical thermoacoustic theory, we carry out the following investigations : 1 ) thermoacoustically driven pulse tube refrigerator ( tadptr ) experiments have been done on the self - built pulse tube refrigerator driven by standing wave thermoacoustic prime mover system
本文首先回顧了熱聲機械的歷史及現狀,詳細介紹了熱聲學理論基礎,重點研究了以下若干問題: 1駐波型熱聲驅動器驅動脈管製冷機在自行搭建的駐波型熱聲驅動脈管製冷機實驗裝置上進行了實驗研究。Some simulations with deltae has also been made to predict the performance of the system. at the end of this section, proposals and schemes are also given for the further experiments. 4 ) thermoacoustically driven puke tube refrigerator ( tadptr ) with the successful operation of the standing wave thermoacoustic prime mover, we transferred part of our efforts to the thermoacoustically driven pulse tube refrigeration, which is actually the original aim for our study on the thermoacoustic prime mover
熱聲驅動脈管製冷機在成功研製熱聲驅動器的基礎上,對其與脈管製冷機(一種在低溫端沒有運動部件的新型的低浙江大學博士學位論文金滔:熱聲驅動器及其驅動的脈管製冷研究2001年5月溫製冷機)的聯接進行了匹配分析,並搭建了熱聲驅動脈管製冷機的實驗臺,進行了系統的實驗研究。Numerical simulation of 3d hypersonic thermochemical nonequilibrium flow
高超聲速三維熱化學非平衡流場的數值模擬This paper mainly discusses the designing and testing method to the dds acousto - optic mode locking. it also makes some further analysis on the critical technology - - - - - - the transducer acoustical membrane matching and transducer thinning, which can directly affect the performance of acousto - optic elements. it then analyses the heat effect of acousto - optic elements and the technology of transducer thinning by developing ion - beam sputtering of high frequency acousto - optic elements
本文重點討論了dds聲光鎖模器的設計及測試方法,討論和分析了影響聲光器件性能的關鍵工藝換能器聲學膜層匹配和換能器減薄工藝,對聲光器件的熱效應進行了測試分析,對離子刻蝕法聲光換能器減薄新工藝作了一定的探討。Study on nonlinear thermoacoustic model of cyclic flow regenerator
回熱器非線性熱聲動力學模型的研究The research on the rotor blade - vortex interaction ( bvi ) noise is a very important aspect and a very challenging subject in the rotorcraft aeroacoustics field
旋翼槳-渦干擾噪聲問題是直升機氣動聲學領域的一個研究熱點和難點。Diamond has perfect properties in mechanics, electronics, optics, thermotics, acoustics and wide use
金剛石具有優異的力學、電學、光學、熱學、聲學性能,具有廣泛的用途。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。G. swift, thermoacoustics : a unifying perspective for some engines and refrigerators, los alamos national laboratory, http : / / www. lanl. gov. 2001
羅二倉譯) , 《熱聲學:一種適用於某些發動機和製冷機分析的統一方法》 ,中科院理化技術研究所,北京, 2001 。Thermodynamic analysis of thermoacoustic engine
熱聲熱機的熱力學分析After a detailed review on the historical developments of the research on thermoacoustics, as well as the latest advances in this field, prospective applications, and a survey of theoretical fundamentals, the present work focuses on the following sections : 1 ) standing wave thermoacoustic prime mover an experimental setup of standing wave thermoacoustic prime mover has been built up with brass matrix as the thermoacoustic stack
本文首先回顧了熱聲熱機的發展歷史及最新成就,在詳細介紹熱聲學理論基礎以及熱聲機械設計原則之後,重點研究了以下若干問題: 1駐波型熱聲驅動器建立了我國第一臺實用駐波型熱聲驅動器試驗臺,並進行了實驗研究。Therefore, 3d virtual sound technique is an important content in computer technology, video / audio technology and virtual reality technology, and it is also an important research field and a popular subject at present in acoustics simulation and humanized audio outputting technology
因此,虛擬聲定位技術是當前計算機、視聽技術及虛擬現實技術研究的一個重要內容,也是聲學模擬的音頻輸出技術的一個重要研究領域和當前研究熱點。The model is solved with the finite difference method, the simulation software is organized to simulate the transient thermal response of the front region of projectile wing such as those launched by electrothermal chemical guns
採用有限差分法進行數值求解,並編制了較為通用的模擬軟體,用於模擬諸如由電熱化學炮發射的高超聲速穿甲彈彈翼前緣的瞬時熱效應。The design of cable dome is divided into three parts : pre - stressed calculation, static load applied calculation and variation load applied calculation. ansys software was adopted to compute the structure. the ansys program has many analysis capabilities, ranging from structural analysis, thermal analysis, electromagnetic field analysis to cfd flotran analysis
索穹頂結構分下述三個狀態進行計算:預張拉狀態、施加屋面恆載時的計算和屋面活荷載作用下的計算;本文對索穹頂結構進行計算時所選用的計算軟體為ansys軟體,它是融結構、熱、流體、電磁、聲學於一體的大型通用有限元分析軟體,可廣泛應用於核工業、土木工程、地礦、水利等一般工業的計算及科學研究。Thermoacoustic effect is the phenomenon of the conversion between thermal energy and acoustic power
熱聲效應是熱與聲之間相互轉換的現象,即聲場中的時均熱力學效應。Methods for testing and rating terminal reheat units for air distribution systems - acoustic testing and rating
空氣分配系統終端再熱裝置試驗與評定方法.第2部分:聲學試驗和評定Using axisymmetric full navier - stokes equations, the thermo - chemical nonequilibrium flow in hypersonic nozzle was simulated and the scale effects due to nonequilibrium were analysed numerically
摘要採用軸對稱熱化學非平衡全n - s方程,數值分析了高超聲速噴管流場中非平衡引起的尺度效應。After a detailed review on the developments of the research on thermoacoustics, as well as the latest advancements in this field, prospective applications, and a survey of theoretical fundamentals, the author ' s work focuses on the following sections : according to predecessors " explanations, as well as personal understanding on thermoacoustic effects, a qualitative explanation for the operating mechanism of thermoacoustic engines from thermodynamic viewpoint is presented
因此行波熱聲發動機也就成為這一領域的研究熱點。本文簡要回顧了熱聲學的歷史和研究現狀,並從不同角度對熱聲機械的基本原理進行了論述。根據前人的觀點並結合自己對熱聲熱機的理解,給出了熱聲熱機工作機理的熱力學解釋。Abstract as a good material in engineering, diamond can be used in many fields. however, natural diamond is scale and expensive, so people make synthetic one using chemical vapor deposition ( cvd )
化學氣相沉積( cvd )金剛石膜是具有優異的力學、電學、熱學、聲學和化學性能於一體的材料,在高科技領域具有十分廣闊的應用前景。In the present work, the causing of high noise of multi - effect falling film evaporator was introduced in detail. based on the result of modern test technology, the relationship of noise and work presser was received. ground on the method of superposition, the noise of raw material pump was separated from the mixed noise and gets the true noise of steam - jet - ejector
本文對三效降膜蒸發器設備工作時,噪聲產生的機理進行了理論分析與研究,利用現代聲學測試技術手段進行測試與分析,得出三效降膜蒸發器設備的整體噪聲隨熱壓泵工作壓力增大而增大的關系,利用噪聲疊加原理,將三效降膜蒸發器設備的物料泵噪聲作為背景噪聲,計算得出三效降膜蒸發器設備的熱壓泵真實噪聲,因而得出熱壓泵噪聲亦隨其工作壓力增大而增大的關系。分享友人