轉速測定 的英文怎麼說

中文拼音 [zhuǎndìng]
轉速測定 英文
tachometry
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. The test shall demonstrate to the satisfaction of the owner that the equipment meets all specified performance criteria, is properly installed and anchored, and operates smoothly throughout the specified speed range without exceeding the full load amperage rating of the motor or excessive motor heating

    試應該讓用戶滿意,證明這些設備符合所有規的性能標準,經過正確的安裝和錨固,在額范圍內運行平穩,沒有超過電機的額滿負荷運電流安培數,或發生電機過熱。
  2. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統等參數的數字設;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋步進電動機上進行了全面試。
  3. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中,利用管等儀器對在不同度下的單閥和雙閥固閥周圍的流場進行了點壓力量,然後把點壓力化為點度后繪出固閥周圍流場的二維流線圖,同時了塔板的干板壓降,來考察新型固閥帶折邊后對流場分佈和壓降的影響,為隨后的數值模擬提供對比和依據。
  4. It looks upon water resistant as load, simulate every instance of locomotive running and check its every parameter automatically, then collect and dispose these data of parameters, calculate the power of simulating running of locomotive, which is based on the current, and voltage of host dynamotor. afterward, it can be judged from the working state of locomotive. through experiment and adjust each parameter, it can provide important warrant to the components of locomotive whether they can work normally and credibly

    即以水阻作為負載,模擬機車運行,對機車的主發電動機的電流、電壓和柴油機的等參數進行檢,並對檢結果進行處理,計算出模擬機車運行時的功率,並以此為依據,對機車的工作狀念進行判斷,通過水阻試驗,調整有關參數,使機車運行時能發揮所要求的功率和滿足規的工作特性。
  5. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗了浮箱門動水運行時的受力情況,給出並分析了位過程動力的變化過程曲線;根據浮箱門啟閉度與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩上浮的原因,並給出解決方案。
  6. Passive muzzle velocity measurement on spin ammunitions

    彈丸炮口直線方法研究
  7. This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

    針對目前對緩釋肥料釋放特性的研究集中在化工製作領域這一現狀,採用不同的方法,闡明含硫尿素中的養分氮在水及土壤中的化特點,確養分的釋放率,以求找出適合農業生產應用的方法。
  8. In this experiment, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time, the data of the water temperature, the fuel temperature, the air press and the rotary speed can be noted. moreover, we can measure the fuel quantity and the ignition angle

    實驗中,調節節氣門在特位置,並讓發動機的度依次從最低變化到最高,同時記錄水溫、油溫、進氣壓力和等數據,還可以出相應的噴油量、點火提前角。
  9. A closed pulse width modulation ( pwm ) regulating speed system for dc servo - motor is presented, it is composed of avr microcontroller, pwm power driver, unit of speed detection using encoder and a serial communication interface, etc. fuzzy pid algorithm is employed to control the speed and position of wmr. the method can solve effectively some problems such as the uncertainty of wmr ' s model, the varieties demand, the change of situation

    其次,設計了基於avr微控制器( at90s8515 )的移動控制系統,其中主要包括pwm功率驅動、單元和串列通訊模塊等:對機器人度、位置控制採用模糊pid演算法,較好地克服了移動機器人模型的不確性、位置控制要求的多變和環境改變等因素的影響。
  10. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額電壓下的瞬態分析,得到了矩,位移,隨時間變化曲線圖,利用單極性霍爾元件並與軟體計算結果進行了比較,採用等效電路法計算了堵時的最大電磁力並做實驗進行了驗證,由實驗得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了性分析。
  11. The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load

    調器的主要功用是檢機組偏差,並將它按一特性換成接力器的行程偏差,藉以調整機組導水結構的開度,使機組在給的負荷下以給運行。
  12. A piezoelectric immunosensor was developed by immobilized transferring antiserum on the surface of quartz crystal to especial answer transferring, it can be get good answer to determined in the range of 3. 92 ~ 79mg / l ; the adsorption and desorption of consult serum on the quartz crystal monitored with tr - antibody, determined the rate constant of immuno - reaction was 2. 14xl07 ( mol / l ) ' 1xs ' 1, the association constant of the immuno - reaction ( k1ss ) was 6. 75xl07 ( mol / l ) ~ l

    Oz vomg l范圍內的參考血請中的鐵蛋白進行了,獲得很好的響應;利用石英晶體微天平技術在線監了參考血清在固鐵蛋白抗體的石英晶振上的吸附與解吸過程,得了其抗原抗體免疫反應的率常數為2 14xl0 』 ( mol l ) 』 xs 「 『 ,結合常數為6
  13. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作及動?靜葉排軸向間距變化時的葉片排流場非常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩性相關聯,作者利用南京航空航天大學能源與動力學院的低大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了量,獲得了大量的可靠的實驗數據。
  14. Liquid flow measurement in open channels. rotating element current - meters

    明渠中液體流量的.旋元件流
  15. Their frequencies of gus expression in pollens were 97. 755 % 0. 800 % and 96. 556 % 0. 600 % respectively. to verify these results, the self - pollinated progenies of these two putative homozygotes were examined in t2 by histochenmical gus staining of vegetative tissues and pcr analysis using specific primers

    ( 2 )通過對基因t1代的花粉gus基因表達檢,快和篩選得到了番茄純合植株,加了純合體篩選的進程,證明此方法可靠,而且不會造成大量寶貴材料的浪費。
  16. It gains the combustable gas samples of different qualities through changing the rotational speed of the air blower, and quantitatively researchs the rule of the rotational speed influencing on the quality of the combustable gas by the use of the results of tcd ( thermol conduction detection ) on those combustable gas samples, so that it draws a conclusion that the quality of the combustable gas is better when the rotational speed of the air blower is between 350rpm and 450rpm

    通過改變鼓風機即氣化劑流量,獲得不同品質的可燃氣樣品,並利用這些可燃氣樣品的熱導檢結果,量研究了風機即氣化劑流量對可燃氣品質的影響規律,得出了在風機為350 - 450rpm時,可燃氣品質較好。
  17. 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、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經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃熱解液化裝置能量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應動力學微分方程,並採用goast - redfem積分法和p函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熱解動力學模型,為科學確反應器的閃熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確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,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,為閃熱解反應器固相滯留時間設計和預提供了理論依據; ( 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、建立了錐式閃熱解反應器物料滯留時間( )與(或頻率)合理匹配理論; ( 6 )提出了錐式閃熱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法及臨界理論等。
  18. It has speed detecting motor, the rotating speed is constant, not affected by material viscosity and the voltage change of power supply

    帶有發電機,,不受物料粘度變化和電壓影響。
  19. The special light beam modulator is a disc that rotates at high speed, symmetrically along its diameter is respectively arranged a slit and a small hole, the slit is used to modulate light beam, the small hole is used to the synchrosystem and measure speed of modulator

    該調制器為一高圓盤,其上沿軸向刻制細縫,在圓盤對稱位置開小孔;細縫用於調制光束,小孔用於系統同步及調制器轉速測定
  20. Verification regulation of tacho - torque measuring device

    量裝置檢規程
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