pin fin 中文意思是什麼

pin fin 解釋
釘頭
  • pin : PIN =personal identification number 個人標識號〈自動提款卡等的個人密碼〉。n 1 別針,扣針,飾針;...
  • fin : n 1 鰭,魚翅;鰭狀物。2 手 臂。3 【航海】(潛水艇的)鰭板,水平舵;【火箭】舵;【航空】穩定器,安...
  1. The present results indicate that the diamond element always yields the highest heat transfer, followed by cube and waterdrop pin - fin. however, the pressure drop for the diamond pin is higher compared to the cube and waterdrop pin - fin. arrays with geometric parameters x / d = 2. 7 elements generally cause the greater heat transfer and pressure loss than those with x / d = 3. 3 and x / d = 4

    研究結果表明:鉆石形擾流柱排換熱最強,方形次之,液滴形最弱,相應地鉆石形擾流柱排壓力損失也最大,方形次之,液滴形最弱;小間距( x / d = 2 . 7 )在換熱較強的同時壓力損失也高於其他兩種間距。
  2. The effects of pin shape and array configuration on the heat transfer and pressure drop of short pin - fin arrays have been investigated experimentally

    本文通過試驗的方法研究了柱形和柱間距對叉排型短擾流柱排內的壓力損失和換熱的影響。
  3. A parameter has been defined to account for both the heat transfer enhancement and pressure loss caused by different shapes and configuration of pin fin arrays and the optimization analysis shows that cube - shaped pin - fin arrays can be viable alternatives for pedestal cooling in a blade trailing edge

    本文提出了一個強化換熱有效性系數來綜合考慮擾流柱換熱和壓力損失的效果,並用它對各種擾流柱進行了優化分析,優化結果表明方形擾流柱排在渦輪葉片尾緣區冷卻結構設計中是優先考慮的一種結構型式。
  4. This kind of switch use the unilateral fin - line as the basic transmission line, the beam lead pin diode of alpha co. ltd is the control element, there is two diodes in each channel and they are welded in circuit in parallel connection

    本課題主要研究的是毫米波鰭線pin管單刀雙擲開關。該開關採用單側鰭線作為基本傳輸線,控制器件選用alpha公司的梁式引線pin二極體,每路使用兩只,採用並聯形式焊接在電路中。
  5. And a parametric method is used for the modeling of the pin fin, spanwise rib, and chordwise rib after delebrately studying their regular structures

    並深入研究了擾流柱,縱向肋,橫向肋這幾種內型典型結構的參數化造型方法。
  6. The difficulty in design microstrip pin sp3t switch is the via hole for grounding. we use both the radial parts and the via hole to get a good result. the fin - line pin switch is fully simulated using full - wave analysis, the parasitic parameter and the circuit assemble need to be considered

    微帶結構上過孔微波接地效果的不理想,是微帶單刀三擲開關的難點,本文採用了扇形的微波接地和過孔直流接地結合起來,較好的解決了這一問題。
  7. On optimizing pin - fin shape for efficient cooling of turbine blades

    層板發汗冷卻推力室的傳熱特性
  8. Short pin - fin arrays are often used for the cooling of turbine airfoils, particularly in the trailing edge

    短擾流柱排被廣泛應用於渦輪葉片的內部冷卻結構中,尤其是葉片尾緣區域。
  9. Experimental investigation on heat transfer and pressure drop of pin - shaped - fin tube bank

    針形肋管束的傳熱特性和阻力特性的試驗研究
  10. Lamilloy is a new cooling technology which has advantage of combining film cooling, internal impingement, large internal heat transfer area and enhanced heat exchange by pin fin array

    多孔層板冷卻技術集沖擊冷卻、對流冷卻和氣膜冷卻於一體,是一種新型的冷卻方式,具有冷氣消耗量少,冷卻效率高的優點,應用日益廣泛。
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