熱函法 的英文怎麼說

中文拼音 [hán]
熱函法 英文
enthalpic method
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Based on the above, a surrogate models are built for thermal conductibility performance of sandwich panel with " v - type " folded core in this paper, and they can be optimized by multi - subject. the numerical simulation function and optimization design method in condition of lightest weight are shown in this paper

    其次,用isight軟體重新設計了40組不同構型的試驗設計點,並以此為基礎對v型褶皺芯材夾層板的傳導性能構建了可用的代理模型,給出了數值模擬數和最輕重量條件下的優化設計方
  2. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二,討論了環境位溫與成風因子對中尺度對稱不穩定的影響。運用解析的方求出了擾動流數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。
  3. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅電偶( k )作為測溫元件;電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供過程;採用最小二乘非線性回歸與分段數相結合的曲線模擬方,進行圖形處理。
  4. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的點。傳統機械限束器因無解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右邊加上非線性控制數g :並選取一些非線性數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。
  5. The paper analyzes and discusses the law that the result precision of thermal stress is affected by the proportionments of element border length, border condition, form function and so on, and compares the method with displacement finite element method being used

    分析、討論單元邊長比、邊界條件以及插值數形式等對應力結果精度的影響規律,並與現有的位移有限元方進行比較、分析、評述。
  6. 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?導耦合傳問題,本文在分析葉片內部通道冷卻的流動與傳情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦;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數關系;本文重點研究了新型的葉片內部通道冷卻強化傳措施?帶擾流片的內部冷卻通道的強化傳效果,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。
  7. 2. nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated. for the given function determined, the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions, the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented, the feasibility and validity of the algorithm is verified by the numerical experiments

    2 、研究一擬線性拋物型傳導方程非線性未知源項的識別問題;對于給定識別數,論證了狀態方程解的存在惟一性、方程解與識別數的依賴關系和可識別性;通過選取適當的基數,把對非線性源項的識別轉化成常系數識別問題;給出了實現非線性源項識別的迭代演算,通過數值實驗證明了演算的有效性。
  8. Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost

    近年來,計算流體力學( cfd )設計技術得到較大發展,其中最有代表性方是jameson發展的基於控制理論(伴隨方)的氣動優化設計技術,其顯著優點是目標數對設計變量的梯度計算幾乎與設計變量數目無關,從而大量節省了計算費用,並成為當前cfd領域的研究點。
  9. A too high or too low social return appropriated level comparative to standard level ( in the vicinity of zero ) reveals a non - coordinative efficiency in innovation activities. this research shows that firms with coordinative efficiency cluster in labour input intensity and higher output elastisity manufacturing sectors

    但是,從非參數方對生產的補充以來,又掀起了生產率研究的潮。本文是在一些學者對生產率測度的已有基礎上進行技術創新效率內涵的擴展的,並用此擴展內涵分析了我國工業行業的技術創新效率。
  10. In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method

    兩方程湍流模型為基礎的壁面數處理方,對浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了力分層高度的計算方,並分析了送風溫度、送風速度、圍護結構傳源分佈等因素對力分層高度的影響。
  11. Standard test method for calculation of stagnation enthalpy from heat transfer theory and experimental measurements of stagnation - point heat transfer and pressure

    通過臨界點傳與壓力的傳遞理論和實驗測量來計算臨界的標準試驗方
  12. But difficulty in maths will come forth when meeting high spin particles if we using such method. on base of the characteristic of energy space, we obtained the wavefunctions and geometric phase by the trial function method in this paper. the berry phase of the system are also obtained after an evolution period

    文中在絕近似下根據自旋粒子能級間隔特點用嘗試波求出了旋轉磁場中高自旋粒子系統的波數及幾何相位,解決了用一般方求解時出現高階微分方程的困難。
  13. Firstly, there is a full discuss of space aircraft thermal control. the background of the research for this paper is also presented here, in chapter 2, there is a complete discussing of fem realization in numerical heat transfer, including delaunay grids generation and display, two - dimension temperature field function eduction and collectivity compound

    首先全面論述了航天器控制和分析的基本內容,指出本課題產生的工程背景。在第二章中完整地論述了有限元數值計算方在解決傳問題中的實現,包括delaunay網格的生成與顯示,二維溫度場泛的推導和溫度場的總體合成等。
  14. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過程和穩定工作狀態下的應力優化設計問題進行描述,然後分別用解析求解兩種結構的梯度塗層在制備過程和穩定工作狀態下的應力分佈,並採用有限元方驗證了應力分佈的結果,在優化設計時,以危險系數為目標數,以塗層的隔性能為約束條件進行設計。
  15. 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立了以h和c為自變量的生物質能量預測經驗公式,並通過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式建立了生物質解反應動力學微分方程,並採用goast - redfem積分和p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,進而建立了各種生物質的解動力學模型,為科學確定反應器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過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,為閃速解反應器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、建立了轉錐式閃速解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方及臨界轉速理論等。
  16. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、比和導系數等參數值,得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合數關系式;此外,研究了生土建築圍護結構表面質交換系數實驗測定方,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方
  17. The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered

    建立了考慮濕積累過程的瞬態濕耦合模型,在方程中引入了濕積累項;發展了一種傳遞數解析方進行墻體內不同剖面處溫度和含濕量的動態預測;首次提出了一種基於有效有限差分預測非線性邊界條件下多層多孔結構內的傳傳濕過程的數值分析方,求解過程中考慮了瞬態邊界條件,從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差,對于多層結構每一層物性參數的非連續性,則採用了有效的有限差分逼近處理。
  18. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算是以指定線路組成的斷面的傳輸功率為目標數,指定送端系統和受端系統中參考調節的發電機,指定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、線路穩定、節點電壓等構成約束條件,採用內點和行主元約當逐行消去求解問題的最優解。
  19. A new analytical method for the plane elastic or thermoelastic problem on complex multiply connected region based upon the complex potential theory of elastic mechanics built by muskhelishvili. n. i. by combining the theory of sectionally holomorphic function, cauchy model integral, the analysis of the singularity of complex function and riemann boundary problem, the analysis relation between the complex potentials is obtained, and then the problem is transformed into solving an elementary complex potentials equation

    I彈性力學復勢理論的基礎上提出一種處理復雜多連通域平面彈性與彈性問題新的分析方,將復變數的分區全純數理論,復勢奇性分析, riemann邊值問題與cauchy型積分相結合,求得各分區復勢的解析關系,將問題歸結為一個初等復勢數方程的求解。
  20. It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect

    本文基於ansysparametricdesignlanguage ( apdl ) ,提出漸進結構中應用區間進行單元的篩選,通過單元「生死」的功能實現單元的恢復與刪除,根據濾波原理提出修改的二階棋盤格處理方,並就穩態傳導溫度控制問題,考慮、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。
分享友人