thermal pumping 中文意思是什麼
thermal pumping
解釋
熱泵作用-
A 2 - d fem program is designed to simulate and compute thermal - creep - stress field in a long beam on batholith and taipu river pumping station. some conclusion available in designing and construction are presented
編制了平面有限元程序，模擬計算了巖基上長梁和太浦河泵站工程的溫度徐變應力場，得出一些對工程設計和施工有益的結論。 -
Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model
本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。 -
Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。 -
The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable
本文首先介紹了中性束注入系統的國內外發展狀況，闡述了中科院等離子體所ht - 7中性束注入系統的構成，主要對用於中性束注入系統的大型低溫冷凝泵的特性進行了理論分析；對冷凝抽氣面的熱負載進行了分析計算；用蒙特卡羅法對輻射擋板的分子傳輸幾率與熱傳輸幾率進行了模擬計算；研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響；最後對用於中性束注入系統的大型低溫冷凝泵的抽速進行了驗證，得出的結論是：選取40萬升秒的抽速是合理的。 -
The optimum position of focal spot of pumping laser through coupling system is calculated. in the fifth chapter, the optical characteristics of nd : yvo4 and lbo are studied. the astigmatism problem of resonant cavity is explored thoroughly under the condition of thermal lens effect
第五章分析了nd ： yvo _ 4和lbo晶體的光學特性，深入分析了在引入熱透鏡效應的情況下諧振腔的像散問題，設計了四鏡z型折疊腔，應用abcd定律計算優化選擇了一組腔參數。 -
In allusion to the coating overhaul of buried oil pipeline of northeast oil pipeline networks that disturbs the thermal condition of pipeline and impacts the safety of operating safety of the pipeline, this paper analyzes the thermal condition of soil temperature field and provides the thermal comparison cases of linghai pumping station ( coating repair ) and suizhong pumping station ( coating non - repair ) in tieling - qinhuangdao oil pipeline
摘要針對東北管網防腐層大修導致土壤溫度場發生改變進而影響管道安全運行的問題，對埋地管道的土壤熱力條件進行了分析，給出了鐵秦線兩座泵站的熱力對比實例。 -
The experiment results indicate that 90 % pressure drop is attributed to minor pressure drop in heat sink and these results are higher than the theoretical value. the thermal resistance will drop with the increasing of pumping work and the extent of the drop will decrease when the pumping work reach some value. the maximal temperature difference between the heat - sink surface and the coolant will increase with the increasing of heat fluxes, as is same to the maximal temperature difference on the heat - sink surface
研究表明，在微射流熱沉中，熱沉總阻力主要是由局部阻力引起的，佔到熱沉總阻力的90 % ;微射流陣列冷卻熱沉熱阻隨泵功的增加而減小，但是當泵功增加到一定程度時，熱阻變化趨于平緩;熱沉散熱片底面溫度和溫差隨熱流密度增加而升高，但是溫差保持在一定范圍之內。
分享友人