transfer in channel 中文意思是什麼
transfer in channel
解釋
通道傳送-
Study on enhanced heat transfer of lunate channel in solar energy air - conditioning system
弦月形通道在太陽能空調系統中的強化傳熱研究 -
Study on boiling heat transfer enhancement of forced liquid nitrogen flow in lunate narrow channel
低溫液體火箭發動機循環預冷模擬試驗 -
The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。 -
Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel
對于沖擊-逆向對流-氣膜復合冷卻的火焰筒結構而言，火焰筒壁面冷氣側的沖擊冷卻實質上是半封閉通道的沖擊冷卻，即沖擊射流從沖擊孔板噴出，沖擊到換熱靶面后形成壁面射流沿通道單方向流出。 -
3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface
採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。 -
The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。 -
The blade inner channel cooling is very important in the design of turbine blade, with the ever - increasing inlet temperature, the new heat transfer enhancement structures of higher performance are demanded. because of the complexity of the flow and heat transfer of the blade inner channel cooling, the numerical modulation is superior to the experiment. this thesis studied the blade inner channel cooling with the method of numerical modulation
葉片內部通道冷卻在航空發動機葉片的設計中佔有重要的位置，航空發動機進口溫度的增高對其提出了更高的要求。由於葉片內部通道冷卻的流動與傳熱的復雜性，數值模擬較實驗的研究方法有其優越性，本文利用數值模擬的方法對葉片內部通道冷卻進行了研究。 -
Then the thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed ribbed channel are measured by using infrared camera and the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : the impingement cooling effectiveness of ribbed surface is affected greatly by the jet - to - surface spacing, and the best effectiveness is achieved under the jet - to - surface spacing equals to 1. the correlation formulas of impingement heat transfer characteristics to the parameters are finally concluded and in good agree with the experiment data
最後，對單排、雙排沖擊孔試驗板在半封閉通道展開了流量系數的研究，在變化各種幾何因素及流動因素的情況下由實驗得出了沖擊孔流量系數值，討論並分析了各種因素對流量系數的影響程度，建立了沖擊孔流量系數的準則關系式，與實驗結果對比表明:該準則關系式與實驗實測數據吻合較好，精度較高，有較高的工程應用價值。 -
W. qu and i. mudawar, “ experimental and numerical study of pressure drop and heat transfer in a single - phase micro - channel heat sink, ” international journal of heat and mass transfer, vol. 45, pp. 2549 - 2565, 2002
吳德洋， 「散熱座應用於水冷系統之效能評估」 ，大同大學機械工程研究所碩士學位?文， 2003年6月。 -
In the following chapters, a 16 - channel experimental phased array ultrasonic testing system is thoroughly explained, including digital beam forming, low noise programmable amplification of received ultrasound signal, multi - channel hi - speed hi - precision data acquisition, hi - speed real - time processing of multi - channel ultrasound signal, and hi - speed data transfer based on pci bus. in addition, the frame of software system is built
本文詳細闡述了作者所獨立研製的16通道相控陣超聲檢測實驗系統，包括數字化超聲發射/接收波束形成、超聲信號的低噪聲程式控制放大、多通道高速高精度數據採集、多通道超聲信號高速實時處理、基於pci總線的高速數據傳輸等全部電路模塊的結構及工作原理，並說明了所編寫的底層軟體系統的框架。 -
The improvement of te mode transfer matrix and modes latent equation in multi - channel optical wave - guide
模的轉移矩陣及模式本徵方程的改進 -
And use some theories about marketing channel construction and management, containing relationship marketing theory, supply chain theory, channel authority transfer theory, stimulating theory and game theory, analyze the macroscopic and microcosmic change of the whole medicine industry, and find out the opportunities in the market and challenges confronted with. through analyzing the macro and micro environment of the whole medicine industry, studying the development of medicine industry marketing channel - model and the feature of update model, relating with the experience of the same company ' s channel construction, the author study the xiamen meacon co. with realizing its marketing channel actuality, using swot analyse way, analyze its features and problems
本論文採用實證研究法、深度訪談法、定性與定量相結合的方法，運用營銷渠道構建及管理的相關理論，包括關系營銷理論、供應鏈理論、激勵理論、渠道權力轉移理論以及博弈論等理論，通過分析整個醫藥行業的宏觀和微觀環境變化，研究醫藥市場營銷渠道模式演變過程和現有模式的特點，並結合相同類型企業渠道建設的經驗，針對廈門美康制藥公司的營銷渠道的現狀，分析其特點以及存在的弊端，並根據消費品營銷渠道一般模型，提出了其營銷渠道框架的重構方案，即美康公司四級營銷渠道的構建方案。 -
Taking the material state presentation of the subject ' s recognition as the kernel, it defines the broad information intention of qfd suitably needed in information transfer application in quality engineering, and then highlights the information channel ' s distortion and noises in the process of information transfer
接著在經典的shannon信息論基礎上拓展信息語義和語用因素，以主體認知的物質狀態表徵為核心，界定適合於qfd在質量工程中信息傳遞應用需要的廣義信息內涵，進而強調信息傳遞過程中通道失真與噪聲問題。 -
When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters
實驗時，通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣，改變空氣流速，測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數，並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。 -
A new channel of energy transfer in oxyfluoride glass doped with er3 yb
共摻雜的氟氧化物玻璃陶瓷中新的能量傳輸過程 -
This thesis first studied the communication system with detailed theories so that to choose the appropriate method of modulation and demodulation. n / 4dqpsk is a kind of modulation method which is appropriate to transfer in the attenuated channel
/ 4dqpsk是一種比較適合在衰落通道中傳輸的調制方式，它不需要提取相干載波，因而不存在相位模糊、環路跳周等問題。 -
The channel scale on transpiration cooling for the platelet thrust chamber of liquid propellant rocket engine is approaching micron dimension. it is very possible that micro - scale effects will occur in the flow and heat transfer of the channel. in the past, researchs on flow and heat transfer in the platelet micro - channel are mostly based on macro - scale theory
液體火箭發動機推力室壁面發汗冷卻通道的尺度已達微米量級，通道內的流動與換熱很可能存在微尺度效應，以前的相關研究都以宏觀尺度的理論為依據，其研究結果的合理性需要進行微尺度效應的分析。 -
Numerical study on enhancing mass transfer in grooved channel by pulsating flow
壓力邊界條件下微通道內氣體流動換熱特性研究 -
In the paper, an overview of transpiration cooled platelet and micro - scale theory is presented. the velocity slip model and the temperature jump model for the research on flow and heat transfer in the platelet micro - channel are developed. while programs developing, two dimensional temperature distribution of the fluid in the channel and one dimensional temperature distribution of the platelet are obtained
本文對層板發汗冷卻技術和微尺度理論進行了綜述，建立了溫度跳躍和速度滑移的微尺度研究模型，通過編寫程序，得到了微小通道內流體的二維溫度分佈和結構層板的一維溫度分佈。 -
Macro - scale theory is used also to compute the heat transfer in platelet micro - channel. the temperature difference model is established, and the function for the temperature distribution in the platelet micro - channel is obtained, numerical calculation is carried by using commercial solftware named fluent
本文還用宏觀尺度理論對層板微小通道內的傳熱進行了計算，建立溫差模型得到了結構層板和微小通道內溫度分佈的函數，同時用商用軟體fluent得到了數值解。
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