溫度速度曲線 的英文怎麼說

中文拼音 [wēnxiàn]
溫度速度曲線 英文
velocity temperature curve
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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...
  • 溫度 : [物理學] temperature
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident

    Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者最大程的安靜舒適增添馨的色彩。採用先進vvvf調頻調壓調裝置,按人體生理要求由電梯優化產生最佳的運行,使電梯的起動加停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。
  2. The resistance of sample l # ( 44nm ) and sample 2 # ( 50nm ) rises rapidly from 25k and 45k respectively, and an inflexion appears at the temperature in the resistance - temperature curves. the same inflexion appears at 75k in the resistance - temperature curves

    晶粒尺寸為44nm和50nm的1 #和2 #樣品的電阻率分別在25k和45k附近開始隨的升高快增大,在上出現拐點。
  3. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下擠成形過程中的金屬流動特點、坯料連皮厚(底部高)與擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、場等場變量及凸模行程-載荷,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  4. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的漲落的振幅增長規律和中性,實驗結果表明,漲落的中性在低格拉斯霍夫grashof數
  5. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關管道流動和換熱特性的研究成果的基礎上,以旋轉正交坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向分佈、二次流結構、分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  6. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長流道中的流動規律,得到了喂料在流道中的場、壓力場和場,找到了流道長徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系和喂料熔體平均充填與充模時間關系的,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  7. 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,應用cfd軟體數值模擬了不同工況時汽輪機缸壁變化情況,對200mw汽輪機快冷過程中控制指標進行分析,優化機組的快冷卻過程,合理快冷設備、系統,優化控制,分析最大熱應力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冷卻系統進行優化改進,並進行了實驗與實施。
  8. In the isothermal crystallization experiment, the dsc exothermic curves become flat as decrease of the degrees of undercooling within the experimental temperatures

    在等結晶實驗中,在所測試的結晶范圍內,隨著過冷的減小, dsc放熱趨于變緩,結晶完成時間延長,結晶率減小。
  9. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感,通過編製程序求得預測平均熱感覺評價pmv的值,比較pmv和問卷調查得到的平均熱感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現場問卷調查的結果進行分析,得出了室內空氣、氣流、相對濕與人體主觀感覺之間的回歸,發現重慶地區高校學生熱中性時的空氣為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣為25 . 0 ,兩者相差0 . 5 。
  10. Compressor panel testing mainly includes acculator axle temperature monitor, plc group. after connection of local cable and testing of detector charactertistic contour, testing vibration and site ? change monitor

    對其中的壓縮機盤主要是調器、軸瓦監視器、機組plc調試。至於振動、位移監視器調試,需待現場電纜連接後作探頭特性測試后進行。
  11. While the temperature increases the flow curves move down, and it is showed that between 180 and 190 the influence of temperature on the flow behavior is smaller, and the influence of shear rate is smaller

    的上升導致流變下移,可以認為,在180和190區間內的流動性能相對的影響較為穩定。剪切率對流動性能的影響變小。
  12. By analyzing and processing bountiful experimental data collected in short time, the curves of temperature variation of fast transient nucleate boiling are then drawn with wavelet analysis theory. also by setting up the mathematical model and applying the temperature variation curves to this mathematical model, heat flux density can be resolved

    利用數學方法? ?小波理論成功分離了快數據採集系統中信號和噪音信號,得到瞬態沸騰的變化;並通過建立數學模型、利用實驗所得的變化,求解出瞬態熱流密
  13. This is the theoretical foundation for simulating the gun interior ballistic performance using the closed vessel experiment. based on the functions from closed vessel experiments, the ballistic simulation results of maximum chamber pressure, muzzle velocity and p - t curves of a 105mm gun charged with ltsc nitroamine propellant at + 50c, + 15c and - 40 environmental temperature were in good agreement with experimental data

    在密閉爆發器實驗的基礎上,應用可視化程序對某105mm火炮採用低感硝胺火藥在+ 50 、 + 15和- 40環境下的最大膛壓、初以及膛壓?時間進行了彈道模擬,模擬與實驗結果具有較好的一致性。
  14. 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

    應用fluent軟體擬合出傳熱系數與re關系、摩擦阻力系數與re關系場梯點積值的等值圖, nu較大的幾個工況的模擬流場、場。
  15. According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response

    在深入分析國外四維地震可行性研究成果和成功實例的基礎上,提出了有利於水驅四維地震成功的工區優選條件;簡要剖析了各種開采方式及其對地震特性的影響;利用理論計算、巖心分析、油藏數值模擬三種方法確定了流體替代對縱波的影響;通過對長期水驅造成的物性參數、測井以及油藏和壓力變化規律的總結,分析了這些變化對地震的影響,指出了目前國內外水驅四維地震可行性研究中存在的盲區?沒有充分考慮長期注水造成的物性、和壓力變化對地震響應的影響,完善了水驅四維地震可行性研究的內容;在考慮了這些變化因素后,高29斷塊水驅四維地震可行性研究結果表明:四維地震監測注水前沿可能要比監測油藏變化容易的多;以四維地震巖石物理可行性研究結果為基礎,提出了五個有助於突出四維地震造成的微小差異的途徑,為今後水驅四維地震研究指明了方向。
  16. In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained

    本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過程場,採用有限差分法模擬了液態金屬滲流場,將兩者間接耦合分析計算,得到了浸滲區域的變化、浸滲前沿及浸滲隨時間變化等
  17. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛( 650 )和固定支持器初始( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta分析生料熱,減少了升率的微弱變化對測定結果的可能影響;得出生料配比和細對差熱儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差熱儀適宜的工況條件和工作(及方程) 。
  18. 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熱?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語言編寫定義初的用戶子程序,首次對兩種制動過程熱?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、不同制動力下各個時刻的、應力和的變化規律,為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  19. Based on the constitutive relationship coupled microstructure evolution, 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature, punch velocity and shear factor of friction, effect of process parameters on equivalent strain, equivalent stress and grain size is calculated, and load - displacement curve is calculated

    本文基於微觀組織演變的本構關系模型,對不同變形、凸模和摩擦條件下鈦合金盤的等鍛造過程進行了三維數值模擬,研究了變形工藝參數對等效應變、等效應力和晶粒尺寸的影響,計算了各變形條件下的位移?載荷
  20. 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

    應用軟體以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熱力特性,實時給出當前環境和環境風以及循環水流量下機組的上限負荷,從而指導機組的運行。
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