熱脈動 的英文怎麼說
中文拼音 [rèmàidòng]
熱脈動
英文
pulse of heat-
The thermal damping is maximum for frequencies corresponding to pulsations that are somewhere between isothermal and adiabatic.
當脈動處于等溫和絕熱之間某個狀態時，相應頻率下的熱阻尼是最大的。The root of herbaceous peony still has composed, demulcent, solution is hot, fight phlogistic, fight ulcer, reduce portal vein maximum pressure, reduce serum bilirubin, outspread heart coronary artery, restrain plaque to gather, fight bacterium to fight virus action
赤芍還有鎮靜，鎮痛，解熱，抗炎，抗潰瘍，降低門靜脈高壓，降低血清膽紅素，擴張心臟冠狀動脈，抑制血小板聚集，抗菌抗病毒作用。A thermoacoustically driven pulse tube refrigerator capable of using low - qualified heat source
可利用低品位熱源的熱聲驅動脈管製冷機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。Every pulse and heart in saint antoine was on high - fever strain and at high - fever heat
聖安托萬的每一次脈動和心跳都疾速而火熱，像是發了高燒。Test method for thermal diffusivity of carbon and graphite by a thermal pulse method
熱脈動法進行碳和石墨熱擴散的試驗方法Applications of high frequency miniature pulse tube cryocoolers
單迴路閉式脈動熱管內流型的實驗研究The detailed experimental investigation of the distribution and evolution of the mean velocity profile were executed. the signal of instantaneous velocity, the energy spectra of velocity and wave characteristics in the boundary layer have been analyzed
對局部加熱的水平平板下表面邊界層內的時均速度的演化規律進行了詳細的測量，同時對速度脈動信號以及速度能譜進行了分析，並對邊界層內的波動特性進行了研究。Effects of fluctuating temperature of gas flow on the instantaneous devolatilization rate of pulverized coal particle
氣流溫度脈動對煤粉顆粒瞬時熱解揮發速率的影響Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness
這是一種嶄新的強化換熱技術，流體脈動能夠造成換熱器全程的換熱強化，而且自激振蕩脈沖射流強化換熱技術本身是一種無功強化的方法，無需輸入外部能量來產生擾動。Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance
對于已經大量採用高頻軟開關技術的模塊電源，限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件，而磁集成技術由於具有可以減小磁件體積重量，減少磁件損耗，減小輸出電流脈動，改善輸出動態性能等優點，成為目前電力電子技術的研究熱點之一。The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters
當流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍，流體脈動頻率過高或過低都不利於對流換熱，存在一有利於強化換熱的頻率范圍。In the research of water arcjet, serious oscillation existed in jet and arc voltage was found and it led to unstable work state of arcjet
目前對水電弧加熱的研究過程中，發現水電弧加熱發動機羽流和弧電壓存在強烈的脈動，不能穩定工作。Our research found that, the main reason which led to the oscillation of jet and arc voltage was the oscillation of propellant flowrate. the oscillation of flowrate was caused by the oscillation of water evaporation in pipes
本文的研究發現導致水電弧加熱發動機羽流和電壓脈動的主要原因為推進劑流量供給的脈動，而供給流量的脈動是由於水在管內汽化的脈動引起的。Research on pulse combustion drying and its characteristics o f heat transfer
脈動燃燒乾燥及傳熱特性研究( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed
為解決這一難題，本文利用氣體一顆粒兩相流理論和計算流體力學（ cfd ）技術，建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型，並進行了脈動燃燒噴霧乾燥過程模擬，其主要內容如下： （ 1 ）建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上，用標準k -模型預測乾燥室內的氣體湍流運動過程，顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡，熱質傳遞模型描述空氣和液滴的熱質傳遞過程。When the pulsating jet was introduced in the heat exchanger, pulsating flow leads to the formation of an amount of vortices near the tube wall. the boundary layer was destroyed and the mixing of liquid was improved, so heat transfer enhancement was achieved
將自激振蕩脈沖射流引入換熱器后，流體的脈動導致了壁面處旋渦的大量生成，增加了流體的摻混，實現強化換熱的目的。The embed feature of ground water is flaw - water with the special trait of rock - conformation. sorted macro - ammount element in earthe ' s surface water and underground water with categorical - analyzed method, analyzed the trait of rare earth c - o isotop in water pattern and the runoff mode number of earth ' s surface ; with the dynamic variational characteristic of ground water, the text divided ground water system and build the hydrogeological model in dam - region
大崗山電站位於大渡河斷裂帶、磨西斷裂帶和龍門山斷裂帶的交匯部位，新生代以來構造活動、地震活動和水熱活動均較強烈。大崗山電站壩區巖體為花崗巖及輝綠巖脈，斷裂和裂隙相當發育；其特殊的巖性構造特徵決定壩區地下水埋藏特徵為裂隙水。Advances in pulsating heat pipe and its heat transfer characteristics
脈動熱管及其傳熱特性影響因素研究進展分享友人