氣流計數據 的英文怎麼說

中文拼音 [liúshǔ]
氣流計數據 英文
airflow counter
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  • 數據 : data; record; information
  1. Assuming the blades conduct a planar simple harmonic motion, the flows in vibrating cascades in the case of different oscillating amplitudes, different reduced frequencies and different torsional centers are computed respectively for two blade profiles. according to comparing flow calculations at different oscillation modes, the influence of the oscillation parameters " selection on aeroelastic performances of cascades is analyzed

    假定葉片做平面簡諧運動,針對兩種葉型分別算了不同振動幅度、摺合頻率及扭心位置時的振動葉柵場,根各種振型下算結果的比較,分析了振動參選取對葉柵動彈性性能的影響。
  2. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根實驗來討論霧化質量隨各種結構參運行參的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設具有一定的指導意義。
  3. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根體力學的有關知識以及有關(其中包括設、試驗和運行) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調器)的學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參自適應pid控制策略和量外環模糊pi復合控制策略,以實現氬量的精確控制。
  4. In modern aircraft design, there is an urgent requirement for accurate, efficient and easy - use aerodynamic data and computational analysis tools. however, the euler codes cannot satisfy all the demands for simulating the complex flow - fields

    現代飛機設迫切需要體力學為其提供準確、高效、實用的場分析工具,已經不再滿足於僅採用euler方程進行值模擬。
  5. In modern aircraft design, there is an urgent requirement for accurate, efficient and easy - use aerodynamic data and computational analysis tools. however, the euler codes are not satisfied all the demand for simulating the complex flow - fields. more powerful tools solving navier - stokes ( n - s ) equations are longed for viscous effect, more accurate and more detail information of flow - fields

    現代飛機設迫切需要體力學為其提供準確、高效和實用的以及場分析工具,已經不再滿足於僅採用euler方程進行值模擬,它要求值求解navier - stokes ( n - s )方程組以模擬粘性效應,提供更加準確而詳實的場信息。
  6. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成路組件和液路組件,再對路組件和液路組件進行相應的分類,然後通過對通用路方程進行分析和變換對不同類型的組件分別建立不同的方程,從而建立了一個適用於液體推進劑空間推進系統的靜態學模型;根靜態算所得到的,應用統回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、體、瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑空間推進系統特點,對液體推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  7. Based on the analyses of water quality monitoring data of over 120 hydrometric stations in the yangtze river system during the last 30 years, the effect of lithology and climate rainfall on major ion chemistry of the river water has been studied by means of statistical approaches such as principal component analysis and correlation analysis

    在分析長江域120餘水文站點近30年水質監測的基礎上,運用主成分分析相關分析等理統方法研究巖性和候條件降水量對長江水系河水主要離子化學的影響。
  8. To get mass flow rate of vent gas and coarse aeetaldehyde from their volume flow rate data, density compensations are performed with regressed relationship between density and ( temperature, pressure and concentration )

    針對包含化學反應過程的生產程,提出了基於原子衡算的調和演算法,並將之應用於乙醛生產過程的調和。調和算中考慮了粗乙醛量和小放空量的密度補償。
  9. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指擬合模塊以及多項式擬合模塊,設了一種對實驗所得進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電模擬網路參;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  10. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的看成是理想體的一維恆定動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空動力學模型,利用算機進行值分析與算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。
  11. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設和參,重點研究了液壓動力泵站的結構設、液壓泵馬達可逆性問題及其選型設算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設、蓄能器-泵馬達壓力能量轉換裝置的設、多功能集成控制閥組的設等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電接線、算機控制及採集系統的硬體設等內容。
  12. In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner

    值研究三種不同幾何形狀、兩種進口分佈、兩種紊燃燒模型等對加力室內各、隔熱屏和加力室筒體壁面溫度分佈的影響,算結果與試驗比較表明:不同幾何形狀加力室對加力室內紊燃燒場的影響要比進口分佈大些,正確給定進口分佈較為重要,二階矩紊燃燒模型更適用摸擬三維紊燃燒動,算方法合理,編制的算程序可靠,可供加力燃燒室優化設用。
  13. Measuring of lightning parameters is the base work of lightning research. it is very important for researching the lightning characteristics, analyzing the accident of lightning, identifying the responsibility of lightning strike outage accident and discussing the strategies of lightning protection. it also can provide precise original data of atmosphere over - voltage for designing insulation co - ordination

    雷電的測量是進行雷電研究的基礎工作,對于研究雷電特性、分析雷害事故、鑒定雷擊跳閘事故責任、探討防雷對策及為絕緣配合設提供精確的大過電壓原始均具有十分重要的意義。
  14. , in addition, 1 design a data miner by use of vc + +, and it is successful to mine the multiple time series of medical data streams, temperature data streams and air pressure data streams

    我還用vc成功設了一個挖掘器,並對由醫院門診溫變化壓變化組成的多時間序列進行了挖掘,證明了twma是可行。
  15. The article below deals with the mechanism research of this kind of machine, describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement, i. e., longitudinal pores are equally spaced, horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance, and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row

    本文對墊機作了機理研究,描述了墊機的結構型式及工作原理,對墊機的主參作了理論分析,根平行平板間的徑向動理論,建立了算模型,導出了算公式,可作為墊設理論的依;提出了孔布置的原則:縱向孔間距相等較好,橫向孔徑不等為佳,橫向孔排距可以相等,也可以不相等,但一般小於孔間距。孔排應為奇,由中心兩側呈對稱布置,孔徑由中心向兩旁逐漸減小。
  16. In this work, according to the feature of soft x - ray fluorescence, a setup has been established for the measurement of soft x - ray fluorescence in laboratory, which is calibrated by 55fe. the setup is made of x - ray tube, fine tuning table, vacuum system, gas - flow proportional counter and multiple channel analysis

    本文工作中依軟x射線熒光的特點,在實驗室建立了一套軟x射線熒光測量裝置,該裝置由x射線管、精密微調樣品臺、真空系統和正比管探測系統以及多道分析儀組成,並採用~ ( 55 ) fe標準光源對系統進行實際標定。
  17. 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,通過採用問卷主要掌握了受測對象教室里的冷熱感、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,得出了室內空溫度、速度、相對濕度與人體主觀感覺之間的回歸曲線,發現重慶地區高校學生熱中性時的空溫度為25 . 5 , fanger根歐美人群調查得到的公式算出的預測熱感覺為中性時的空溫度為25 . 0 ,兩者相差0 . 5 。
  18. The calculated results are in agreement with the measured ones, indicating that according to the flow rate and composition of the exhaust gas and the mass and the carbon content of the liquid iron, the carbon content of steel bath can be dynamically determined ; with the aid of thermodynamic equilibrium analysis, the dynamic variation of temperature of the steel bath can be forecasted from the dynamic carbon content and the data from the exhaust gas analysis system

    該模型算結果與檢測結果吻合較好,這表明:通過煙量、成分及鐵水質量和初始碳含量可動態地確定熔池中的碳含量;以動態確定的碳含量為基礎,結合爐分析,再經熱力學平衡分析,可預測熔池溫度的動態變化。
  19. Short - circuit current calculation in three - phase a. c. systems. data for electrical equipment for short - circuit current calculations in accordance with bs 7639

    三相交系統短路電算.依bs 7639短路電算用電設備
  20. In order to maintain the sustainable use of land and water resource, to protect the land from desertification and to make longyangxia reservoir safe, firstly, the spatially disturbed model has been established in which includes dem - based precipitation and runoff, regional transpiration and regional water balance modules in gonghe. secondly, the model of grassland climate potential productivity and the model of grassland productivity modified by plant water demand and stocking intensity factors has been constructed in gonghe. according to the carrying capacity and the actual amount of animals on the grassland, coupled with actual grassland investigation, and by using social - economic data, the grassland productivity, species composition, biotope and the cause of desertification has been analyzed

    為了做到對本區的水土資源的可持續利用、防治本區的荒漠化和保護龍羊峽水庫,所以基於dem和已有的象、水文長短期觀測和實測,首先構建了青海共和盆地降雨、徑、蒸散和區域水分平衡的分散式模型;進一步在此基礎上,構建了青海共和盆地草地生產力的模型和基於作物水分耗散與放牧因子校正的青海共和盆地草地生產力模型;利用草地載畜能力和現有牲畜量以及社會經濟因子等統,結合實地調查,分析了青海共和盆地草地生產力、物種構成、生境變化和荒漠化成因及其內在驅動因子,並對草地可持續利用做了評價。
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