cooling air flow 中文意思是什麼

cooling air flow 解釋
冷卻風流
  • cooling : n. ,adj. 冷卻(的)。
  • air : n 1 空氣,大氣。2 天空,空中。3 微風,和風。4 態度,樣子,風度,氣派;〈pl 〉高傲的架子。5 傳播,...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明,在支柱空腔內加設水平導流板改變了原有大迴旋流場,使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  2. The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency

    但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失,並且消耗冷卻空氣,從而損害渦輪的整體循環效率。
  3. Takes several energy saving measures for air conditioning system, nick a large capacity centrifugal chillers working with variable frequency nil capacity chillers, variable frequency and variable flow control on secondary pump water systems, cooling tower for four - pipe water system in winter, fan - coil unit for commercial peripheral zones aid all - air systems for interior zones, variable frequency control on supply and exhaust air fain, enthalpy control on fresh air cooling in winter and intermediate season

    採用了多項空調節能措施:大冷量離心冷水機組搭配變頻小冷量機組,二次泵變頻變流量空調水系統,四管制風機盤管冬季用冷卻塔換冷供冷設計,商業外區風機盤管、內區全空氣空調系統,送風機、排風機變頻控制,過渡季、冬季利用室外新風通風降溫的焓值控制設計。
  4. 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。
  5. Fxv series is derived from fx series. in structure, it adopts air cooling of net flow. it shows apparent function against blocking by fibers, suitable for textile, printing and dyeing machines for cotton, wool, linen, silk and chemical fibers. it works effectively under the environment of plentiful dust, short fibers, high temperature and high humidity. it features even speed regulation in combination with frequency changer

    本系列電動機主要是fx系列電動機的派生系列,結構上採用凈流式風冷,具有較強的防纖維堵塞能力,適用於棉、毛、麻、絲、化纖等各種紡織印染機械,能在多塵埃、短纖維及溫濕度較高的環境下工作,與變頻器配套,調速均衡。
  6. Mathematical models of stelmor process have been developed to predict the rod co oling behavior of steel wire under the action of water spray and air flow in the cooling system of stelmor machine

    建立了斯太爾摩控製冷卻過程數學模型,目的是研究生產工藝參數對線材冷卻過程中溫度變化及橫斷面上溫度分佈的影響。
  7. Abstract : mathematical models of stelmor process have been developed to predict the rod co oling behavior of steel wire under the action of water spray and air flow in the cooling system of stelmor machine

    文摘:建立了斯太爾摩控製冷卻過程數學模型,目的是研究生產工藝參數對線材冷卻過程中溫度變化及橫斷面上溫度分佈的影響。
  8. Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變;實驗臺的流量測量採用風機動力性能測試標準中流量方法等。
  9. It is important for the design of air cooling steam turbine and the performance and stability of turbine to study unsteady flow mechanism in design and off - design state

    深入了解透平葉片在設計狀態和高背壓條件下的非定常流動機理,能更好設計空冷汽輪機以及提高葉輪機械的性能和穩定性。
  10. Also the thermodynamics condition and energy flow of the parallel - flow air cooling mode that is one of the modes of battery ' s temperature management system is studied, and the bond graph model of the temperature management system is built

    研究了電池溫度管理系統的常用的平行氣流風冷方式的熱力學狀態和能量流動,並建立了鍵合圖模型。
  11. Through analysis of test data in the field, it shows that the main causes leading to said phenomenon for are : adding water - cooling panel in the furnace ; rising of the feed - water temperature ; and somewhat smaller air flow rate in operation

    通過對其現場測試數據的分析表明,爐內增加水冷屏、給水溫度升高以及運行風量偏小是造成其主蒸汽溫度偏低的主要原因。
  12. Concentric jacket pipe surrounded the test condenser. steam was generated in the boiler, flowed upward to the inlet of connection pipes, then flowed downward into the condenser tube, the cooling water flowed countercurrently through the annulus. the experiment covered the range of the pressure 1. 0 ~ 3. 0bar, heating power 2. 0 ~ 15. 0kw, steam mass flow rate 0. 001 ~ 0. 004kg / s, air mass flow rate 0. 0 ~ 0. 00163kg / s, and cooling water temperature 20 - 60 ?

    在系統壓力為0 . 1 0 . 3mpa ,加熱功率為2 15kw ,蒸汽質量流量為0 . 001 0 . 004kg s ,空氣質量流量為0 . 0 0 . 00163kg s ,二次側冷卻水溫度20 60的范圍內,系統研究了豎直下降管內含有空氣的蒸汽冷凝特性,獲得了不同壓力、不同空氣含量和不同加熱功率下,冷凝段的溫度分佈和局部熱流密度的數據。
  13. An axial flow fan located underneath the roof forces the cooling air through the fins

    屋頂結構下方布置的軸流風機迫使空氣流過翅片。
  14. Measurements were made of system pressure, mass flow rate of steam, air, and cooling water, temperatures of condensing flow and cooling flow, and the water level of boiler. the major phenomena observed in the present experiment are similar to those by other investigators. the mass flow rate of steam, the system pressure and air content are the most important factors affecting steam condensation

    實驗結果表明,維持二次側冷卻水流量不變,無論對于純凈蒸汽還是含有空氣的蒸汽冷凝,隨著蒸汽發生器加熱功率的增大(即蒸汽流量增大) ,有效冷凝段長度將加長;當蒸汽中含有少量空氣,有效冷凝段長度也會明顯加長;提高系統壓力,有效冷凝段長度將縮短。
  15. On the application of evaporation & condensation, a new open cycle solar still, which is configured mainly by one kind of falling film evaporator, condenser, solar collector and some auxiliary devices, is proposed. parameters affecting system performance, i. e., temperatures and flow rates of moist air, seawater, and cooling water, are analyzed numerically and experimentally

    最後,本文建立了一種以高效降膜蒸發器為核心部件的新型開放循環海水淡化系統,在降膜蒸發器、太陽能集熱器和冷凝器等部件數學模型基礎之上,建立了合理的系統模型,通過數值模擬對空氣、海水、冷卻水等有關參數對淡水產量的影響進行了分析。
  16. When the cooling air flow rate is greater, there is no an obvious core fluid rotation formed in the cavity

    當冷卻氣體流量較大時,盤腔內不能形成明顯的旋轉核心。
  17. Analysis of the test results of the rear - installed cooling system revealed that the overheat problem resulted from the measured cooling air temperature being higher and the coolant flow and transmission oil flow being smaller than the correct design value, and that the wrong location of the hydraulic oil cooler cannot completely meet the need of the cooling system

    通過對測試數據進行分析,確定了系統過熱的原因,即系統中測試獲取的冷卻風的溫度比設計值高,冷卻水和傳動油的體積流量比設計值小,而且液壓油散熱器布置位置錯誤。
  18. This allows a parallel flow heating in one shaft, i. e. the parallel flow of limestone and combustion gases, and a regenerative preheating of the limestone in the second shaft by the mixture of combustion gases and cooling air

    這就允許在一個窯筒里有併流燃燒,即石灰石和助燃空氣的并行流動,而在另一個窯筒里是助燃空氣和冷卻空氣的混合氣體對石灰石的再生預熱。
  19. The importance of monitoring hydrogen leakage of the water tank for water - hydrogen - hydrogen cooled generator stators is illuminated, and issues about the alarm device for generator water leakage, leakage of the cooling water system for stator winding, and hydrogen leakage detecting by using the air flow meter are discussed

    摘要闡述了檢測水氫氫發電機定子水箱排氫量的重要性,介紹了發電機漏水報警儀、定子繞組冷卻水系統的滲漏和利用氣體流量表進行排氫量檢漏等技術要點。
  20. Based on the analysis of air flow and heat transfer in the dry - cooling tower of hamon system, a combined iteration method is presented to solve the coupled heat transfer and draft equations derived from theoretical and empirical formulas, with the size of the exchangers and the cooling tower or the systematic parameters being determined

    摘要對哈蒙系統空冷塔內的空氣流動和熱傳遞進行了分析,在換熱器和空冷塔的尺寸或系統參數確定的情況下,提供了一種聯合迭代方法,求解從理論和經驗公式中得出的熱傳遞和通風方程。
分享友人