convection cooling 中文意思是什麼

convection cooling 解釋
對流冷卻
  • convection : n. 1. 傳送。2. 【物理學】運流,環流;【氣象學】對流,上升氣流。
  • cooling : n. ,adj. 冷卻(的)。
  1. In cumulus convection ascent rates of several metres a second give a cooling rate of a few degrees per minute.

    在積雲中,每秒幾米的對流上升速度造成的冷卻速率為每分鐘幾度。
  2. To have outer cooling system though forced convection. exercisable processes : compressive sintering of cemented carbide and ceramic, moulding sintering in powder metallurgy

    實例:適合於硬質合金陶瓷件的加壓燒結,粉末冶金的成型燒結等。
  3. Study on convection cooling of the crushed rock in cold regions

    凍土區碎石路基對流降溫的研究
  4. An efficient convection cooling system and a thermostatically controlled fan keep this unit reliably cool and remarkably quiet

    -高效的對流冷卻系統和溫控風扇確保本系統低溫可靠安靜異常。
  5. An efficient convection cooling system and a thermostatically controlled fan keep this unit reliably cool and remarkably quiet. ideal for

    -高效的對流散熱系統和溫度調節控制風扇使硬碟機保持低溫和寧靜,散熱和噪音控製表現可靠突出。
  6. 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。
  7. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。
  8. 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。
  9. In order to gain a better understanding of the mechanism of airflow reversal in a non - diagonal airway of a horizontal network, the relationship and difference between the path integral of the convection item contained in the movement equation and the pressure increase induced by cooling of fume were discussed

    為加深對水平網路中非角聯旁側支路風流逆轉機理的認識,對運動方程中對流項的沿程積分與冷抽力的聯系與區別進行了討論。
  10. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  11. In the simplified mathematical modeling, fins are taken as equivalent solid layer with nonisotropic thermal conductivity, and heat convection between fins and cooling air is considered as internal source

    對2種飛機環控系統電子設備冷卻用冷板進行了實驗研究,測量了不同雷諾數、不同熱源分佈情況下冷板的表面溫度分佈。
  12. Based on the established three - dimensional physical model, simplified terms, specified material parameters in thermal and physical properties, boundary conditions, and the calculation method of heat convection of cooling water, the numerical simulation and analysis on steady - state temperature field for continuous unidirectional solidification of niti shape memory alloy wire billets were proceeded under the condition of different combined parameters using ansys finite - element software

    在建立三維物理模型以及確定材料熱物性參數、邊界條件與冷卻水對流換熱系數計算方法的基礎上,採用ansys有限元軟體對不同參數組合條件下鎳鈦形狀記憶合金線坯連續定向凝固的穩態溫度場進行了數值模擬。
  13. Especially, in the filed of high tc superconductor, the technology that the cryocooler directly cool the superconducting system has changed the traditional cooling manner, which adopts the method of low tc fluid helium ' s convection and boiling to exchange the heat. it mainly depends on the cooling manner of conducting heat through the interfacial layer between the material of superconductor and non - superconductor ( such as cu, isolator, etc )

    特別是在高溫超導領域中,由於製冷機直接冷卻技術改變了傳統的靠低溫液氦對流、沸騰換熱的冷卻方式,主要依靠超導材料與非超導材料(如銅、電絕緣材料等)固體間的接觸導熱冷卻方式,固體間界面熱阻成為影響導熱性能的關鍵因素之一。
  14. As new terminal equipment in air - conditioning, the mechanism of radiant floor is heating or cooling the room mainly through radiation and convection

    輻射地板作為一種新型空調末端設備,主要利用輻射和對流形式對房間供冷或供暖;與常規空調送風相比,具有熱舒適性好、節能、美觀、對環境影響小等優點。
  15. Supported by the national natural science foundation of china ( study on heat transfer characteristics of downhole coaxial heat exchanger in convection geothermal reservoir ) and tianjin development and plan program of science and technology ( study of ecologic architectural energy system ), the thermal performance exploiting earth energy for heating and cooling is studied in this paper , and its main purpose is to offer reference for increasing the percent of renewable energy in ecologic architectural energy

    本文在國家自然科學基金(井下換熱器周圍對流型地溫地層內的傳熱特徵研究)和天津市科技發展計劃項目(生態能源建築體系研究)的資助下,重點研究了地表熱能(或稱地溫能)高效利用中的傳熱與熱力性能問題,為可再生能源在生態能源建築中發揮更大的作用提供依據。
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