impingement 中文意思是什麼

音標 [im'pindʒmənt]
impingement 解釋
沖擊
  1. Impringement syndrome of the anterior ankle group : " excellent " in 15 cases " good " in 3 cases " fair " in 2 cases " poor " in 0 case. [ conclusion ] arthrotrauma and degranding are two reasons of the impingement syndrome of the anterior ankle, the initial stage arthroscope examination and treatment of the acute traumatic extravasated blood of the ankle without fracture and disbocating is the best active method to prevent the impingement syndrome of the anterior anlke, the clearing operation under the arthroscope is the best mininmally invasive treatment countermeasure for the impingement syndrome of the anterior ankle

    結論踝關節創傷及退變是踝前撞擊綜合征的兩大原因，無骨折脫位的急性創傷性踝關節積血的早期關節鏡檢查及治療是預防踝前撞擊綜合征的積極最佳方法；關節鏡下踝關節清理術是踝前撞擊綜合征最佳的微創治療對策。
  2. Standard test method for conducting erosion tests by solid particle impingement using gas jets

    使用氣體噴霧器進行固體顆粒浸蝕試驗的標準試驗方法
  3. Charming hubble - bubble being able to have coming into being because rainwater goes over big impingement in the courtyard, before much local of water " " loaf about " back and forth "

    院子里還會有因雨水過大的沖擊而誕生的招人喜歡的泡泡，在水多的地方「游」來「游」去。
  4. The dynamic sif variation was found to lag behind the stress-pulse impingement by several microseconds.

    人們發現，動態應力強度因子的變化滯後於應力脈沖沖擊幾微秒。
  5. The application of the jet impingement flowfield is wide, such as the vertical / short takeoff and landing ( v / stol ) aircraft, rocket, and the heat jet industrial application

    摘要噴射撞擊流在航空工程的應用有垂直短程起降飛機、火箭及熱噴射工業應用等。
  6. 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。
  7. 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。
  8. The experimental results show that water jet impingement induces higher heat flux, higher critical temperature and narrower transition temperature range

    水冷實驗數據分析結果表明：射流能提高熱流密度和臨界溫度，縮小過渡區溫度區間。
  9. The main object of this dissertation is to set up a temperature measurement system of thermochromatic liquid crystals. furthermore, a twisted tape is inserted into the tube to produce rotary jetting, and rotary jet impingement heat transfer is studied

    本論文研究的目的是建立一套熱色液晶測溫系統，在管內插入扭轉帶，產生以二氧化碳為工質的旋轉射流，然後採用液晶測溫技術對旋轉射流沖擊冷卻換熱進行研究。
  10. Rotary jet impingement heat transfer is a complex enhanced heat transfer technique which uses two kinds of ways to improve heat transfer coefficients greatly. quantitative temperature measurement using thermochromatic liquid crystals ( tlcs } is a " field " temperature measurement technique

    旋轉射流沖擊冷卻換熱是一種復合強化傳熱技術，它是將射流沖擊與管內插入扭轉帶這兩種強化措施同時應用，以期獲得更大傳熱效果的技術。
  11. Micro - jets impingement cooling heat sink is used to cool the high power lda owing to the very thin hydrodynamic and thermal boundary layers in the impingement region when a jet impinges on a surface. reasonable array of jets can develop the uniform of temperature distribution on target very much

    微射流陣列冷卻熱沉，是利用射流沖擊在駐點區能產生很薄的邊界層來提高換熱效率的，合理的布置射流孔，可以極大的提高被冷卻表面溫度分佈的均勻性。
  12. Firstly, a temperature measurement system of thermochromatic liquid crystals is set up, various methods and approaches to improve the precision of thermochromatic liquid crystals temperature measurement are discussed, and affirmative experiments are made with carbon dioxide common jet impingement

    本實驗中，首先建立了一套完整的熱色液晶定量測溫系統，探討了提高液晶測溫精度的方法和途徑。然後，利用所建立的系統對二氧化碳為工質的普通射流進行了驗證實驗。
  13. 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。
  14. 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。
  15. The purpose of this paper is to make extensive study on the essence of impingement / effusion film cooling, and the research results will be applied in futural study on the higher performance aeroengine

    本文旨在對沖擊-發散復合冷卻技術開展機理和基礎性研究，研究成果可應用於更高推重比級發動機預研。
  16. Standard practice for liquid impingement erosion testing

    液體浸蝕試驗的標準規程
  17. Filter units, air conditioning : viscous - impingement type, cleanable

    空調過濾裝置:可清洗的粘滯動力附著型
  18. Optimization of air - impingement shelling for castanea henryi using response surface methodology

    響應曲面法優化氣體射流沖擊錐栗脫殼工藝
  19. When there is no impingement, the investigation about flow extravasation effect form film cooling holes is carried out with different cross flow reynolds numbers and different density flow ratios of the film outflow to cross flow

    在無沖擊射流時，通過改變來流雷諾數、氣膜出流與橫流密流比，對氣膜孔的「溢流效應」進行了研究。
  20. Reaction to fire tests - ignitability of building products subjected to direct impingement of flame - guidance on ignitability

    對火焰試驗的反應.直接接觸火焰的建築產品的著火性.著火性指南
分享友人
分享到 Line

分享到臉書