器壁應力 的英文怎麼說

中文拼音 [yīng]
器壁應力 英文
wall stress
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. As ammonia built up in the water gas purification system reacts with a part of condensate on the inner wall of the heat exchanger tube passes, and the salt solution formed cools down and crystallizes in the tube passes, the resistance in the shift conversion section increases exceedingly

    摘要由於水煤氣凈化系統積累的氨與部分冷凝水在換熱管程內形成的鹽溶液在管程內冷卻結晶,造成變換工序阻異常增大。
  2. Form the point view of condenser and cooling tower as a whole, the paper studies the model of condenser performance monitoring, which includes the monitoring model of tube wall cleanness factor, the calculation model of condenser pressure target value and the optimum model of circulating water system

    本文從凝汽和冷卻塔的整體角度研究了凝汽的性能監測模型,主要包括:凝汽水側管清潔系數的監測模型、凝汽達值的計算模型和循環水系統的優化模型。
  3. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定、彎角、變截面、切點和井的邊界條件; ( 3 )鉆頭的側向和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體用效果良好
  4. In the end, the mechanism of explosive accidents of lpg vessel under high temperature is analyzed. the major inducements of lpg vessel under high temperature are as follows : 1 ) sudden falling of pressure on valve opening ; 2 ) material strength falling of vessel wall, which is caused by high temperature of vessel wall ; 3 ) thermal stress that is caused by non - uniform temperature of vessel wall

    武漢理工大學碩士學位論文? ?論文最後分析了高溫環境下液化氣容爆炸的事故機理,即高溫環境下液化氣容爆炸的主要誘因為: 1 )閥門打開時的壓驟降; 2 )容溫度過高,導致容的材料強度降低; 3 )容的溫度不均勻引起的熱
  5. These show the progress and development in the ten years in the domain of hot wall hydrogenation reactor technology and fully reflect the solid foundation and strength for developing such technology in china

    表明了我國熱加氫反技術十幾年來的進步與發展,並充分體現了我國在開發該項技術方面具有的堅實基礎及實
  6. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升項修正的-兩方程模型和simple演算法,面函數法處理邊界條件,對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  7. Abstract : this paper briefly presents th e application of advanced brazing techniques for a larye number of assemblies of space vehicles, such as thrust chamber and turbine rotor of launch rock et engine, titanium tube of satellite, attitude control engine injector and wave guide component of satell ite, reflector, tube and honeycomb panel of manned spacecraft, main engine nozzl e and preburner of space shuttle as well as the pipeline systems of space statio n

    文摘:簡略地介紹了先進釬焊技術在航天部件,例如運載火箭發動機的推室和渦輪轉子、人造衛星的鈦導管、姿控發動機噴注和波導件、載人飛船的反射、導管和蜂窩板、航天飛機的主發動機噴管和預燃室以及空間站的管路系統等的廣泛用情況。
  8. 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熱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(發熱量)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;為閃速熱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熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的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熱解反學微分方程,並採用goast - redfem積分法和p函數對其動學參數進行了求解,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熱解動學模型,為科學確定反的閃速熱解工作溫度范圍及熱解反學描述,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熱解的時間,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 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱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熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反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,綜合運用工程學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反的最小錐角設計、錐強度設計、生產能設計理論和功率計算方法及臨界轉速理論等。
  9. We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on

    產品有溫度變送(一體化溫度變送模塊(雙支溫變模塊) 、一體化溫度變送、導軌式隔離溫度變送掛式溫度變送、架裝式溫度變送) 、壓變送(擴散硅壓變送、藍寶石壓變送、濺射式(金屬薄膜)壓變送變式壓變送、陶瓷電阻、電容壓變送、 1151 、 3151系列壓變送) 、液位變送模塊(專為液位計廠配套) 、配電(單迴路、雙迴路) 、信號隔離(單迴路、雙迴路) 、傳感(溫度、壓) 、配變送的顯示表頭( 100刻度顯示、 lcd液晶顯示、 led數碼顯示) 、數字儀表等工業自動化儀儀表。
  10. There are a lot of advantages when inner trachea applied in air pre - heater, such as the improvement of the temperature of pipe, the low consumption of metal, except for the increment of flow resistance. according to many related papers, it is more proper inner trachea with the structure of short distant between two whorls and shallow depth of whorl. it can enhance heat transfer with smaller flow loss

    內螺紋管是一種異形管,和光管相比,管內側的換熱系數大大增強了,用於空氣預熱可以起到提高總傳熱系數、節約受熱面金屬消耗量的目的;同時提高了管溫度,能夠減輕低溫腐蝕的程度和速度;不足之處是帶來了更大的阻損失。
  11. The cell differential matrix equation is founded on the basis of mechanics analysis of the waterwall and superheater tubes. it is computed by the ansys fea software the effect on the heat and stress coupling field of some operation parameters, which is the theory guidance for accelerated lifetime tests and the accurate life evaluation

    對水冷直管段和過熱彎管段進行學分析,建立微分單元矩陣方程,用ansys有限元分析軟體定量分析溫度、壓等參數對管道運行中熱?耦合場的影響,驗證了壽命評估的準確性。
  12. In order to make clear the influence of two kinds of stress to the total stress, equivalellt thermal stress of lpg vessel under only tempertae load and its equlvalent mechanical stress under only inner wall stress are calculated and analyzed, then its equivalent total stress is calculated, analyzed and compared

    為了弄清這兩種分別對總壓的影響的大小,首先單獨對液化氣壓僅受溫度載荷時的瞬態當量熱以及僅受內時的瞬態當量機械進行了計算分析,然後計算了液化氣容的當量總並對其進行了分析比較。
  13. This paper discussed the development general situation of the domestic and international super high pressure vessel first, and then the calculative method of stress and the homologous strength theories about the single - layer ordinary round super - high pressure vessel, single - layer autofrettage thick wall round super - high pressure vessel and shrunk - on double - layers round super - high pressure vessels were elaborated systematically

    本文在論述了國內外超高壓容的發展概況的基礎上,較為系統地闡述了單層普通圓筒形超高壓容、單層自增強厚圓筒形超高壓容、雙層縮套圓筒形超高壓容計算方法及相的強度理論。
  14. Finite element analysis for pits on outer surface of thickwall vessel subjected to internal pressure

    內壓厚表面凹坑場有限元分析
  15. The impact of the shape - change trend towards round on bending stress during the process of pressure increase was researched, a common formula and a simplified one for bending stress calculation were established, the formula of maximum bending stress caused by round degree of cylindrical vessels was deduced, the calculation method for wall thickness of pressure vessels of elliptical cross section was introduced

    摘要研究了橢圓形截面容在升壓過程中的趨圓變形對彎曲的影響,建立了彎曲通用計算公式和簡化計算公式,導出了由圓度引起的圓筒形容最大彎曲計算公式,給出了橢圓形截面容厚的計算方法。
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