立式過熱器 的英文怎麼說

中文拼音 [shìguò]
立式過熱器 英文
vertical superheater
  • : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳傳質分析,基於經驗關系確定霜的有關參數,對于霜工況下的霜生長建模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建適合動態模擬的蒸發數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發正常運行程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發動態特性的影響即蒸發性能對各參數變化的敏感性; 4 )編寫翅片管蒸發動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發在干、濕和霜工況下的動態模擬。
  2. In the paper, theoretic transfer heat model of hhchp is established. after comparing experimental value and estimative value, we deduce that theoretic transfer heat model accords with actual condition, so we can estimate the heat performance of hhchp by theoretic calculation formula

    同時建了蜂窩管平板太陽能的理論傳模型,通對實驗值和理論值的比較,得出進行簡化后的理論模型在一般情況下與實際的情況是符合的,因此可以用理論計算公對蜂窩管平板太陽能性能進行估算。
  3. The calculation method using in factory has larger error and is n ' t used in high ignition point oil transformer. in this paper a calculation method, which has been verified by experiment results, is presented based on the fundamental theories and rule equation of heat transfer to calculate the temperature rise of average oil, top oil, coil, core and hot - point. a program has been compiled

    本課題足於工程實際應用,根據傳學基本原理和經典試驗換準則,通對變壓冷卻原理進行分析和研究,提出了一套計算變壓平均油溫升、頂油溫升、繞組溫升、鐵芯溫升和最點溫升的計算方法並編制了計算軟體,對影響變壓溫升的因素進行了分析。
  4. This paper made the process algorithm of condenser and closed - type heater which are two important equipment in power station. this paper also raised a design method of graphic modeling system

    本文建了兩個重要的電廠力設備? ?凝汽和面程演算法;還提出了一個圖形建模系統的設計方案。
  5. On the basis of the constitution and work principle of general drum brake and the heat transfer theory, the friction heat, the heat convection and the radiation recuperation of drum brake are analyzed detailed, and then the mathematics model of temperature rise calculation is built

    在對目前常用的鼓制動結構和工作原理進行分析的基礎上,結合傳學的理論知識,詳細研究了鼓制動的摩擦生程、輻射換程和對流換程,建了其溫升計算的數學模型。
  6. Heat exchangers - liquid cooled refrigerant condensers - test procedures for establishing the performance

    交換.液冷冷凝.性能確的試驗
  7. With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models

    力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶放大設計、控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。
  8. This paper described a cross - flow type of indirect evaporative cooler with condensation in primary airflow. according to the heat and mass transfer performance of indirect evaporative cooler, three - dimensional mathematical model had been established. with the preprocessor gambit, the geometry and mesh generation was completed

    論文根據間接蒸發冷卻程傳傳質的特點,對間接蒸發冷卻進行了合理必要的簡化假設,應用計算流體力學( cfd )方法,建了板間接蒸發冷卻的三維數學物理模型。
  9. In the project hong kong international wetland park phase ii, we take the initiative to install the first geothermal heat pump air - conditioning system and utilize the wetland around as a source of heat and a heat sink. through 468 pairs of vertical geothermal pipe heat exchanger buried in the wetland, heated water from water - cooled refrigeration plants and cool water from water source heat pump are circulated in a common condenser water loop to exchange their energy directly

    在香港國際濕地公園第二期工程項目,我們率先採用了香港首個地源泵空調系統,利用公園的濕地作為一個源及能儲存,透468對埋放在濕地的直水管交換,將水冷空調系統的受冷凝水與地泵的凍水直接交換能。
  10. Through developing a 2 - dimensions heat transfer model of buried pipe - in - pipe heat exchanger and simulating the process by computer, the author figures out inter - relations of factors which influence characteristics of buried pipe - in - pipe heat exchanger, such as pipe diameter, pipe length, ratio of pipe diameters, flow rate, inlet water temperature, patterns of water inlet and outlet, and material features made of pipe, and proposes some optimizing indexes of buried pipe - in - pipe heat exchanger. the author studies the " heat - - short circuit " phenomenon as well and gives < wp = 5 > some important results

    本文通地下套管埋管換程的二維傳模型,並藉助計算機對分析結果進行解析,弄清了影響埋管換性能的管徑、管長、管徑比、通流量、進水溫度、進出水方以及管材等參數的作用,並提出了相應的優化指標,對研究界懸而未決的「短路」問題也進行了細致分析,得出了有關結論。
  11. The first successful industrial application of absorption heat transformer ( aht ) has been put into practice in yanshan petrochemical corporation in china. on the background of this engineering, the thesis sets up the methods of absorber ' s enhanced heat and mass transfer, process simulation and finite time thermodynamics analysis. the main research work is followed as : 1

    本論文以北京燕山石化公司上的國內第一套吸收變換( aht )系統為工程背景和研究對象,建了包括吸收強化傳傳質、程模擬和有限時間力學在內的分析手段,並在此基礎上開發出了模擬優化軟體ass ,最後利用工廠的實測數據對軟體的計算結果進行了測試和對比,具體工作: 1
  12. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發量)和c 、 h 、 n元素含量,根據實驗結果分別建了以h和c為自變量的生物質能量預測經驗公,並通r _ ( 0 . 05 )檢驗;為閃速解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公了生物質解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建了各種生物質的解動力學模型,為科學確定反應的閃速解工作溫度范圍及解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳學理論對生物質傳程及充分解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分解溫度的時間( t ) ,得出了理論推導的充分解時間與最大產油率的解時間相一致的結果,為閃速解反應固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建了轉錐閃速解反應物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐閃速解反應的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  13. In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series

    在選型計算模塊中,通設計計算、管束組件的布管方分析、數據庫的檢索,開發了浮頭輔助設計計運算元系統;在布管定型模塊中,按照確保殼程流體流動均勻、且換殼體的內徑較小、管程殼程間換良好且節省材料的原則,根據設計計算參數建了自動布管定型系統;在零部件圖和裝配圖自動生成模塊中,分級分類地開發了浮頭所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫,運用「死圖活尺寸」的開發理念,開發了圖形自動生成與管束參數化設計的集成系統。
  14. Chapter 5 and chapter 6 deal with the physical and mathematical model for the proposed heat exchanger. numerical schemes are discussed in detail

    第五、六章對六邊形準逆流換中對流、導甚至傳質相互耦合的傳程建了相應的數學物理模型及數值格
  15. This paper discussed the total process of fabrication for big diameter vertical heat exchanger, including mostly tubesheet machining, technics request of tubesheet piecing - up, and weld request of tubesheet - to - shell ; measure of machining for square manhole and measure of square manhole - to - shell weld for preventing distortion ; taking special machining technics arid check up method for request of plane degree and check up method upon tubesheet

    摘要介紹了大直徑的製造程,主要包括管板拼接、加工的工藝要求以及管板與筒體焊接要求;同時對方形人孔的製作及其與筒體的焊接防變形等採取了一定的措施,對管板上端面平面度的要求採取了特殊的加工工藝及檢驗方法。
  16. Abstract : a mathematical model describing the effect of flow nonuniformityon the performance of compact heat exchanger is provided, which is based on that one side of heat exchanger is uniformly distributed but the other is of maldistribution. the model may be expressed in two different types, i. e., continuous model and discrete model. the former provides a method analyzing the performance deterioration of exchanger due to flow maldistribution, and the latter provides a reference to the improvement of experimental measurement. the analyzing method obtained can be used to compute the performance deterioration of compact heat exchanger due to flow maldistribution. the result is significant to the optimization of compact heat exchanger design

    文摘:以一側流體分配不均勻的換模型為基礎,建了物流分配不均勻性對換效能影響的數學模型,通理論分析和計算,為研究換內部物流分配不均勻對其效能的影響提供了一種分析方法.該理論模型包括連續模型和離散模型2種形,前者為研究物流分配不均勻引起換效能的下降提供了一種分析計算方法,後者為控制實驗研究的精度提供了理論依據.研究結論對換的優化設計具有重要意義
  17. 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

    了空氣冷卻實驗臺,管的加為電加,工質為蒸餾水.在1 1模型上對分離管管內凝結換特性、不凝性氣體對凝結換的影響及不凝性氣體的擴散規律進行了試驗,得出分離管有一最佳充液率,其值為45 %左右;凝結換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 % ;不凝性氣體對分離管的凝結換僅影響冷凝段下部較小部分,通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;隨著壓力的增加,不凝性氣體對分離管冷凝段的影響減少.這些結論可用於分離管換的工程設計和控制
  18. 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:建了空氣冷卻實驗臺,管的加為電加,工質為蒸餾水.在1 1模型上對分離管管內凝結換特性、不凝性氣體對凝結換的影響及不凝性氣體的擴散規律進行了試驗,得出分離管有一最佳充液率,其值為45 %左右;凝結換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 % ;不凝性氣體對分離管的凝結換僅影響冷凝段下部較小部分,通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;隨著壓力的增加,不凝性氣體對分離管冷凝段的影響減少.這些結論可用於分離管換的工程設計和控制
  19. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流濾體的加特性,然後在加和燃燒理論的基礎上建了微粒捕集再生程的數學模型,並對模型進行了數值計算,得到了捕集內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集的再生機理,建了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生程的影響,如濾體初始溫度、濾體內氣流的流動速率、氧濃度、微粒沉積量以及濾體壁面厚度,為微粒捕集的優化設計提供理論指導。
  20. By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis

    本文通對試驗模型程的深入分析,建了與實際地下埋管換結構參數相吻合的三維傳數學模型,通有限單元法和向前差分法求解相應微分方程並對分析結果進行關聯耦合,詳細分析了埋管換的短期和長期運行特性,對地源泵套管埋管換連續運行、間斷運行規律進行了解析,進一步弄清了埋管換的傳規律。
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