transfer diameter 中文意思是什麼
transfer diameter
解釋
傳送直徑-
According to rigorous procedures, an experimental study was carried out to investigate the effects of jet exit velocity, flow direction, fluid subcooling and nozzle diameter on hysteresis of boiling heat transfer with impinging circular submerged jets of highly - wetting liquids
摘要系統地研究了液體在圓形斷面噴嘴浸沒射流作用下沸騰熱滯后與射流沖擊速度大小、液體流動方向、液體過冷度和噴嘴直徑等因素的影響。 -
The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing
對于單排垂直射流，沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高，沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后，射流沖擊冷卻的范圍變窄，當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流，孔排間距與直徑比的增加使沖擊冷卻范圍變大，但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下，後排射流的沖擊換熱效果要遜於前排射流。 -
The paper introduced the definition and sort and field arrangement and remote monitoring of field sensor ( a new combination of remote monitor and control and network and sensor ). then tried to make use of transfer image to reconstruct tree diameter at breast height through stereo vision, the result was fairy well to realize measure diameter without field survey
首先對其定義、種類、外業設置及遠程監控操作做了簡單的介紹，然後嘗試利用原野服務器傳回的圖像，通過立體視覺技術重建遠隔地樹木的胸徑，得到了較為滿意的結果，從而實現了不到現地便能夠測量直徑的目的。 -
The test was made on the compound tray, dual flow tray, sieve tray and valve tray for mass transfer efficiency with in - diameter 300 mm column using ethanoi and water system
在直徑300mm的精餾塔內，以乙醇-水為介質，進行了復合塔板、穿流篩板、篩板和浮閥塔板的傳質效率的研究。 -
The proposed 1200 mm diameter cross - harbour main is to provide a new cross - harbour pipeline on the western part of the harbour to enhance supplies and maintain the reliability of cross - harbour water transfer to hong kong island
建議的直徑1200毫米跨海水管，為海港西部提供一條新的跨海管道，以增加供水量，以及為供水予香港島維持一個可靠的跨海輸水系統。 -
Of the currently available coolers for electronic products with a high heat flux, micro - jets impingement cooling heat sinks are able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference. the heat transfer for multiple jets impingement has been studied firstly for summarizing a few rules. and then a copper micro - jets impingement cooling heat sink consisting of five copper sheets is designed in this paper and the jet diameter is 0. 15mm
本文首先對陣列射流沖擊進行了實驗研究，總結了陣列射流沖擊的一些規律和特性，在此基礎上，根據數值模擬優化結果設計和製作了微射流陣列冷卻熱沉（射流孔直徑d = 0 . 15mm ） ，並採用去離子水和氮氣作為工質，對熱沉內流體壓降和傳熱特性進行了研究。 -
Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine
文摘:根據建立的液相色譜普遍化速率模型，模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響，獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素，從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。 -
An 8 - mile long tunnel from tai po tau to sha tin. the lower shing mun reservoir which would have a capacity of 950, 000, 000 gallons. 3 major transfer pipelines of diameter 48 to 54 inches, from tai po to sha tin
5億加侖的下城門水塘、三條直徑48 54寸由大埔往沙田的雙程隧道、濾水能力最高可達1 -
The main results in this paper are as follows : ( 1 ) study on starting up performance of thermosyphon : according to the study on the states before and after starting up of thermosyphon with the various filling amount, it is considered that the phase change heat transfer inside the copper - water thermosyphon with a large ratio of length and diameter is not only influenced by the boiling degree of superheat, but also controlled by evaporation and companied with the boiling of the thin liquid film
本文的主要研究結果為： （ 1 ）熱虹吸管啟動性能的研究：通過對從不同充液量、啟動前狀態、內部汽化核心狀態對啟動的影響所進行的試驗研究，認為大長徑比的銅?水熱虹吸管管內相變不僅僅為沸騰，而是以蒸發為主，伴有薄液膜的沸騰。 -
Through developing a 2 - dimensions heat transfer model of buried pipe - in - pipe heat exchanger and simulating the process by computer, the author figures out inter - relations of factors which influence characteristics of buried pipe - in - pipe heat exchanger, such as pipe diameter, pipe length, ratio of pipe diameters, flow rate, inlet water temperature, patterns of water inlet and outlet, and material features made of pipe, and proposes some optimizing indexes of buried pipe - in - pipe heat exchanger. the author studies the " heat - - short circuit " phenomenon as well and gives < wp = 5 > some important results
本文通過建立地下套管式埋管換熱器傳熱過程的二維傳熱模型，並藉助計算機對分析結果進行解析，弄清了影響埋管換熱器性能的管徑、管長、管徑比、通過流量、進水溫度、進出水方式以及管材等參數的作用，並提出了相應的優化指標，對研究界懸而未決的「熱短路」問題也進行了細致分析，得出了有關結論。 -
The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on
指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據，蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。 -
Experimental study on flow condensation heat transfer inside small mini - diameter tube
細圓管內流動凝結換熱的實驗研究 -
The study on condensation heat transfer cjaracteristics for vapor flow in horizontal and vertical small diameter tubes
水平和豎直細圓管內流動凝結換熱特性的對比研究 -
Firstly, for jet array impingement cooling, the effects of the distance of adjacent holes, the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter. and then, the numerical simulation of inclined multi - hole film cooling has been studied. the influence factors examined in this case include blowing ratio and the distance of adjacent holes
首先通過對射流沖擊冷卻方式的研究，分析了相鄰孔間距、沖擊間距以及射流入口雷諾數對沖擊靶面換熱系數的影響情況，然後對多斜孔冷卻方式進行了數值模擬，重點探討了吹風比和相鄰孔間距對絕熱溫比與壁面換熱系數的影響規律，最後，針對沖擊-發散復合冷卻流場的計算物理模型，研究吹風比、相鄰孔間距的變化對沖擊-發散復合冷卻流動與傳熱特性的影響。 -
Elastic - plastic finite element analysis of the rule of load transfer for large - diameter piles
大直徑樁荷載傳遞規律的彈塑性有限元分析 -
Upon completion of the extension to the tai tam reservoirs, the water supply problem was finally under control, particularly for supplies to central. however, supplies to sheung wan and the western district continued to be inadequate, due to inefficiency in the water transfer system. the connection between the tai tam water supply system, via bowen road and the western district, relied solely on a 10 - inch diameter water pipe. this restricted the flow of fresh water from the tai tam reservoirs to the western part of hong kong island
大潭水塘的擴建工程完成後，對紓緩港島東區及中區的食水供應有很大的幫助，但卻未能完全解決西環及上環一帶的食水短缺問題，因從大潭供水系統抽調的淡水流至中環后，一直只依靠一條直徑10寸的輸水管連接寶雲通往西區，其輸水量並不足以供應整個西環及上環區，直至1929年，該區的居民仍主要依靠薄扶林的供水系統獲得淡水。 -
The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency
分析了各種因素對太陽能真空集熱管流場和溫度場的影響。直徑越大，熱效率越高，但升溫能力弱；長度對熱效率影響不大；傾斜角度大於30后，自然對流已經能夠充分進行，考慮以能夠吸收到最大太陽輻射為主；真空度和發射率對熱效率和溫度場影響很大，尤其是在介質溫度與環境溫度差異比較大時；水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次；太陽輻射強度越大，介質溫度與環境溫度差異越大，熱損失越大，效率越低； 4 -
The effects of the conductivity coefficient of adsorbent, heat transfer coefficient of water fluid and diameter of tube on the performances of the system have been analyzed
在此基礎上分析了吸附床的導熱系數、真空管管徑、冷卻水管側的對流換熱系數對系統cop的影響。 -
Nowadays, super - long and large - diameter bored piles are widely used in high - rise buildings and bridges with super - long spans, but man ’ s acquaintance with the mechanism of load transfer about this type of piles is slight. the theory is lagged behind the practice. its design method is according to that of common pile yet
目前，大直徑超長灌注樁已成為超高建築及大跨橋梁的一種常用樁型，然而人們對此種樁的荷載傳遞機理還不十分清楚，超長樁的理論還遠落後于實踐，此類特殊樁仍按一般樁樁基理論設計。 -
So it is necessary to study the bearing behavior of super - long and large - diameter bored piles based on the tests of several piles of four bridges, which are being constructed in the area of lake dongting, the mechanism of load transfer and the characteristic of bearing capacity are analyzed
因此無論是理論還是實踐都迫切要求對其承載性狀進行研究。作者以洞庭湖區某四座在建大橋的樁基靜載試驗為依託，對該地區的大直徑超長灌注樁的荷載傳遞機理和豎向承載性狀樁進行了研究。
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