換氣方程式 的英文怎麼說

中文拼音 [huànqìfāngchéngshì]
換氣方程式 英文
ventilation equation
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 換氣 : 1 （屏氣后再次呼吸） take a breath （in swimming）; aeration2 （通風） change of air換氣風扇 scav...
  • 方程式 : capeta
  1. As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn

    理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。
  2. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少，本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析，總結了本實驗條件下換熱及阻力的實驗關聯式。
  3. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面，應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。
  4. With these goals, new f1 rules for the year include those on when it is 8 ) permitted to change car tires, how long an f1 car 9 ) engine must be used, and new 10 ) guidelines for the 11 ) aerodynamic qualities of car bodies

    因為這些目標，今年一級方程式賽車的新規則包括經過允許才能更換輪胎，一級方程式賽車的引擎必須使用多久，還有關于車體空氣力學品質的新規則。
  5. By taking l - s transform, we get the differential equation satisfied by the l - s transform of e ( u ) we also consider the special case in which 6 = 0 is assumed, and get an explicit expression of l - s transform in chapter three, we mainly consider the distribution of the surplus immediately before ruin

    通過對e _ （ u ）進行l - s變換，我們還進一步求出了l - s變換所滿足的微分方程最後考慮了0這種特殊情況，得到了l - s變換所滿足的一個顯式表達式；一夕舊d卜lz二氣宦、凰lj一一一一一屍2
  6. Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process

    通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應，首次提出了以空氣濕度（ kg / kg ）為驅動勢差的圍護結構表面吸放濕量計算公式，該公式較適用於工程計算，從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法；通過對國內外關于表面質交換系數確定方法的研究成果的分析，提出用lewis關系計算生土建築圍護結構表面質交換系數；在實驗室環境下，對生土建築圍護結構表面質交換系數進行了測試方法研究，測試結果和利用lewis關系得到的數值較接近。
  7. It is indicated that hrv has many advantages certified by theoretic analyze and engineering practices, such as fully ventilating, abundant fresh air supplying, energy saving, etc. comparing with independent fresh air supplying, hrv is supposed to cause potential problems, - in summer load of fan - coil units will be increased, and the wet operating mode will be aggravated, the indoor relative humidity will be increased

    新風換氣機供應新風是住宅空調系統較為理想的新風供應方式，本文通過理論計算及工程實踐表明採用，新風換氣機具有換氣充分、新風量保證、節能等優點。但與新風機組獨立供應新風相比，新風換氣機供應空調系統新風時，會造成夏季風機盤管負荷增加，濕工況加重，室內相對濕度有增加趨勢。
  8. Xml is a new generation of computer language format specially designed for data exchange between computer systems. it facilitates users to develop programs to ingest weather information into their application systems in accordance with their own needs. the weather elements can then be freely distributed and used within their companies or organizations

    Xml是新一代的電腦語言格式，專為電腦系統交換資料而設計，方便客戶編寫電腦程式，按需要把天氣資料融合到他們的電腦應用系統內，讓天氣信息在各自的公司或機構內廣泛傳送和應用。
  9. In chapter 2, research on principles of exergy anaiysis in air - conditioning lead to a new selection of dead - state and proper evaluation of air - conditioning process with exergy effectiveness and exergy efficiency ratio. the conversion of available energy in different evaporative cooling processes is analyzed and evaluated in chapter 3. as results, exergy of moist air is suggested to be evaporative cooling potential and regenerative evaporative cooling will be most potential in effectively utilizing the available energy

    第三章對蒸發冷卻過程能量及有用能轉換關系進行了研究，闡明了濕空氣（火用）作為蒸發冷卻潛力的合理性，對蒸發冷卻方案的（火用）分析評價指出了各種蒸發冷卻方式的適用性與合理的使用原則以及提高蒸發冷卻過程有用能利用率的發展方向。
  10. The effective optimization design programs for different cases are developed by integrating the following several aspects which involves the flow analysis, adjoint equation solution, gradient solution, optimal arithmetic and grid generation. some practical design tests for airfoil and wing show that the continuous adjoint approach is very effective and useful method for aerodynamic optimization design. at the same time, we have done the research of aerodynamic optimum design for airfoils by using navier - stokes equations

    （ 4 ）研究了基於控制理論和三維navier一stokes方程的優化設計理論，在計算坐標下詳細推導了該優化設計理論，得到了計算坐標系下描述的共扼方程數學描述形式，並以給定目標壓力分佈的氣動反設計為例，導出了相應的共扼方程邊界條件，以及關鍵的梯度求解具體表達形式，為了求解方便，把計算空間上描述共扼方程表達形式變換到物理空間中進行描述，通過與ns方程表達形式對比分析，最終給出了一種直觀的共轆方程表達方式。
  11. From the heat and humidity ' s exchange principle between the air and the water in the spray chamber, utilizing the film theory, inducing the heat and humidity ' s exchange primary equations

    從噴水室內空氣與水進行熱濕交換的機理入手，利用膜理論，推導熱濕交換基本方程式。
  12. The use of expression such as these for the aerodynamic forces converts the differential equations of motion into integro-differential equations.

    如對空氣動力採用這類表達式，就將運動的微分方程變換成積分微分方程。
  13. In this paper, the working fluid is air. experimental study of the nine different structure parameters of 3 - d ift with staggered arrangement fins in the reynolds number range of 250 to 30000 is performed to investigate the characteristics of heat transfer and flow friction behavior. analyses and reduces the experimental data by the least square method, obtains the nusselt and fanning friction fitting criterion equations

    本文以空氣為工質，在re 250 30000范圍內對九根具有不同肋形結構尺寸的肋叉排三維內肋管的換熱及流動特性進行了研究，並運用最小二乘法分析和處理實驗數據，獲得努謝爾特數，范寧摩擦系數與雷諾數，肋幾何參數的準則方程式。
  14. This thesis provided some correlative formulas for the replaceable method of inerting by analyzing and calculating it. also, analyzed and probed into the technological process by using flammability diagram to avoid the hidden dangers of fire and explosion. these will offer relevant foundation for the safe operation

    本文通過對惰化置換的方法及其使用惰氣量的分析和計算，給出了相關的計算公式，並結合貨品的可燃圖對安全裝卸貨物的工藝流程進行了分析和探討，避免了在裝卸貨物的過程中潛在的的燃燒和爆炸危險，為保障操作安全提供了相應的依據。
  15. Conveninet traffic : seaport, railway, airport are all 4 kilometres afar each and there are over 30 domestic airline service from and to yantai. cargo ships lead to over 100 ports of 70 countries and regions. developed telecommunications : there are computercontrolled, digital and cubic modern telecommunications in the subdistrict. beautiful scenery : 3. 2 kilometres of fine coastline. pleasant climate : it is not severe cold in winter and not intense heat in summer with class a air quality. it is realy an ideal place for living

    交通方便，距港口、火車站、國家一級口岸煙臺機場均在4公里以內，目前開通國內、國際航線30多條，貨輪可通往世界70多個國家和地區的100多個港口；通訊發達，轄區已建成交換程式控制化、傳輸數據化、聯絡立體化的現代通訊網路；風景秀麗，有長達3 . 2公里的優質海岸線；氣候宜人，冬無嚴寒，夏無酷暑，空氣質量常年處於一級水平，是人類居住、創業的地方。
  16. The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
  17. Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    文摘:建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
  18. The main gearbox shifts gear by hand 。 distance control ， the gearshift mode is double h. the auxiliary gearbox shifts gear automatically by compressed air

    主變速器為手動換檔，可遠程操縱或直接操縱，雙h式換檔方式，副變速器由壓縮空氣自動換檔。
  19. 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。
  20. In comparison of pe pipe with steel pipe, it will be systematically analyzed the pe pipe engineering related issues in this thesis, including the economic features of pe engineering technology, application technology, choice of steel - plastic conversion & welding technology

    本文通過比較聚乙烯管道與鋼管施工技術的異同點，較為系統地分析了聚乙烯燃氣管道工程技術的有關內容，包括聚乙烯燃氣管道的技術經濟性特點、施工方案技術和鋼塑轉換方式的選擇、管道連接工藝技術。
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