熱應力曲線 的英文怎麼說

中文拼音 [yīngxiàn]
熱應力曲線 英文
temperature pressure curve
  • : 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...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Instead of ripening its firm, down - running curves, her body was flattening and going a little harsh. it was as if it had not had enough sun and warmth ; it was a little greyish and sapless

    她的肉體的堅定而下奔的,本成熟下去的,現在它卻平板起來,而且變成有點粗糙了,彷彿這身體是欠缺著陽光和,它有點蒼白面無生氣了。
  2. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的養護制度對rpc的性能影響巨大; rpc的抗壓?可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  3. Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units

    於此,本文以盤縣發電廠200mw汽輪機為研究對象,對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上,用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況,對200mw汽輪機快冷過程中控制指標進行分析,優化機組的快速冷卻過程,合理快冷設備、系統,優化控制,分析最大值及最佳冷卻方式選擇,同時,對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進,並進行了實驗與實施。
  4. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反速率明顯降低;低溫時,水化放速率上的第二放峰細化成分別對于熟料和礦物摻合料水化的兩個小峰;高溫時,反速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動學方程。
  5. In order to monitor on - line expansion difference during operation for lai cheng power plant in shandong province, this paper not only describes the realization of data acquisition, but also gives curve of rotor thermal stress according to stress caculation. furthermore improve traditional warming process. it can be observed that by means of the on - line system the start - up duration has been decreased for no. 1 unit of lai cheng power plant start up

    並依據萊城電廠機組的實際情況,經過理論計算給出了機組不同溫升率下的熱應力曲線,對傳統暖機過程進行了一定的改進,可縮短啟機時間,經萊城電廠1機組大修后冷態啟動檢驗完全符合實測值,證明本系統在實際運用中具有廣泛的推廣價值。
  6. The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better

    本文以水耦合效為主題,基於研究對象的動態變化特徵,用化學動學原理,建立了含水、因子以及水耦合效的土壤水分蒸發、肥料氨揮發動學方程,以及施入土壤中的尿素轉化為銨態氮的動學型方程;為使水勢?含水量關系式更好適變溫條件用的要求,建立了含溫度因子直接表徵土壤持水的經驗方程,以及含溫度因子的穀苗葉水勢與土壤含水量關系經驗方程。
  7. Abstract : based on the operation data, the cold start - up and warm start - up curves of a czecho 200 mw steam turbine are worked out according to the operation rules ; the fem calculating models of the temperature field and stress field of the high pressure rotor are established, and the suitable boundary conditions are given ; the temperature field and stress field of the high pressure rotor are calculated and analysized during these two working situation

    文摘:在現場實測數據的基礎上,根據運行規程擬定捷制200mw機組的冷態啟動和溫態啟動;建立高壓轉子溫度場和場有限元計算模型,確定相的邊界條件;計算分析在這兩種工況下高壓轉子的溫度場和場。
  8. 3. bring forward a new idea : the ideology of synergetics used in atomic simulation and multi - scale simulation of materials design. on the basis of this, next tasks were put forward : ( 1 ) analyzing the changes of stress - strain curves of the interphase before and after pre - treatment ; ( 2 ) the efficient of the coupling effect of o2, na2s04 and h2o stream on the oxidation and erosion resistance of interphase ; ( 3 ) the methods of improving environment performance of interphase above 1273k

    提出將協同學的思想用於原子級模擬及跨尺度模擬的思路,並在此基礎上,提出下一步的工作設想: ( 1 )分析處理前後界面相區域-的變化; ( 2 )航空發動機模擬環境中,氧、硫酸鈉蒸汽及水蒸汽耦合效對界面相抗氧化性、抗腐蝕性的影響; ( 3 ) 1273k以上界面相環境性能提高的方法。
  9. When the theory of temperature in solids 、 the equivalent tension - relaxation curve of final temperature, and the equivalent shear - relaxation curve is known, then the non - stationary stress is calculated

    在非定常計算時只要確定物體內部各點的溫度歷史,及其終態溫度等效拉伸鬆弛、等效剪切鬆弛,便可計算出物體內各點的瞬態
  10. Based on the analysis of the tangshan xinqu and qian an and gangyao thermoelectric power units, a model of real - time ordering power by heat on combined heat and power based on working chart is erected, a method of related generating electric power appraisement is set up, and the software of ordering power by heat on combined heat and power system is developed. based on delphi language and sql server database, the structure and functions of ordering power by heat on combined heat and power system are discussed, and a method of data processing is also put forward. the function of data storage and past data query and account report forms is achieved

    為解決此問題,本文以唐山新區電廠、遷安電廠、缸窯電廠的供機組為例,根據其機組工況圖建立機組「以定電「運行的數學模型,並編制了相的軟體文中介紹了基於delphi語言與sqlserver數據庫的軟體結構功能與特點,軟體可實時給出各參數和電聯產以定電考核,能夠實現數據存儲、歷史數據查詢、統計報表等多種功能,這對于電管理部門合理地為電廠下達發電指標,加強和完善對電聯產企業的管理,提供了理論依據和技術支持。
  11. The heat transfer and the restriction circumstance are simulated. the temper ature - time curve and the stress - time curve are obtained. because the later joint - filled slots are restrained strongly, in which the thermal stress is great, especially in the corner, in spite of a little temperature rise, some measures should be taken to prevent them from producing cracks

    利用有限元前處理軟體vizicad建立了「 t 」形后澆帶模型,模擬了后澆帶的「環境」和「約束環境」 ,計算得到了后澆帶的和溫度發展,發現雖然後澆帶的溫升不大,但受到的約束較大,因此產生較大的溫度,特別是在其拐角處,採取措施防止裂縫的出現。
  12. Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field

    用fluent軟體擬合出傳系數與re關系、摩擦阻系數與re關系、速度與溫度場梯度點積值的等值圖, nu較大的幾個工況的模擬流場、速度和溫度梯度場。
  13. The analysis of x - rd of the corrosion products is adopted ; the curves of add weightiness of corrosion is translated into the thermal dynamic curves, so we can judge the corrosion mechanism by the thermal analysis. the method is fresh and innovation, which made the means of researching and the content enriched

    並對腐蝕產物進行x - rd衍射分析,對腐蝕增重進行轉化,利用分析動學的分析方法對反機理作出判斷,從理論上研究鍋爐水冷壁高溫腐蝕機理。
  14. Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology

    在旋轉狀態下,這些管路系統中的流動和換特性將會發生什麼樣的變化,是對管路系統的性能以及旋轉裝置的運行安全至關重要的問題,也是管道流動中研究很少,又是迫切需要解決的課題;同時,這個課題還可以用於生物流體學:當人體處于作高速旋轉或運動的飛行器或宇航飛行員訓練的旋轉裝置中,人體血管內血液流動將會發生什麼樣的變化,是航天生理學研究的重要課題。
  15. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分,本文在研究接觸問題和?機耦合問題數值方法的基礎上,採用國際上通用的非性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型,其中用解析方法描述,即用nurb、高斯面來描述接觸區域,用fortran語言編寫定義初速度的用戶子程序,首次對兩種制動過程?機耦合進行了數值模擬,定量給出了主要制動部件在不同初速度、不同制動下各個時刻的速度、和溫度的變化規律,為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  16. This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered

    用軟體以vc + +為開發平臺,考慮了特定汽輪機組的背壓保護,通過計算空冷系統的特性,實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷,從而指導機組的運行。
  17. A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied

    其中,採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構,用彈性學中的薄板彎理論、有限元方法對其進行了設計、計算,並給出了相的撓度和解析式及分佈用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法,並利用執行器的磁場感知功能對其驅動磁場進行了實際測量,得出了驅動磁場與圈電流之間的關系,並對其進行了分析和研究;對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究,為了減小驅動圈的發,對其形狀進行了優化設計。
  18. The tensile stress - strain curves of composites were also simulated. based on the energy equivalence principle, the formula that could predict the modulus of elasticity of sfrmmc was educed by considering the effects of thermal residual stresses and fiber ' s orientation. calculating and analysis indicate that the thermal residual stresses in sfrmmc are spatially non - uniform

    計算和分析表明,金屬基復合材料中殘余的分佈是空間不均勻的,對復合材料的學行為產生明顯的影響,與不考慮殘余相比,其模擬的復合材料?與實驗吻合得較好。
  19. As the time microscale factor in fast transient high - strength heating or cooling can not been ignored, heat relaxation time is introduced. based on hyperbolic heat conduction equation and kinetic equation added inertia, theoretical analysis and study of stress diffusion and transformation in heat impact process were developed

    考慮到快速高強度加或冷卻帶來的時間微尺度因素,引進鬆弛時間,以雙傳導方程和考慮慣性的運動方程為基礎,對沖擊過程的傳播與變化規律進行了理論上的分析和研究。
  20. Thermal residual stresses in short fiber reinforced metal matrix composites ( sfrmmc ) can reach a high level and have a significant effect on the mechanical properties of composites. in this paper, three dimensional elastoplastic finite element analyses were used to study the thermal residual stresses in sfrmmc and its effect systematically. with the interfacial property, fiber ' s orientation and reciprocity of fibers considered, the thermal residual stresses in - al2o3 / al - 5. 5mg, - al2o3 / al - 5. 5zn and - al2o3 / al - 12si alloy composites were calculated and analysed

    本文在分析計算中綜合考慮了界面性能、纖維位向以及纖維間相互作用的影響,分別採用單纖維模型、雙纖維模型和斜向纖維模型,對- al _ 2o _ 3 al - 5 . 5mg 、 - al _ 2o _ 3 al - 5 . 5zn和- al _ 2o _ 3 al - 12si三種al合金基復合材料的殘余進行了計算和分析;對存在殘余時復合材料的?進行了模擬;還基於能量等效原理的有限元方法,考慮了殘余及纖維位向的影響,推導了短纖維增強金屬基復合材料彈性模量的預測公式。
分享友人