泵動效應 的英文怎麼說
中文拼音 [bèngdòngxiàoyīng]
泵動效應
英文
pumping effect-
Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。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溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫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、速度場等場變量及凸模行程-載荷曲線,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溫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。The efficiency of the pump are calculated and simulated ; the stability, quickening and sensibility relating to dynamic response are analysized ; the effects of some parameters on system performance are discussed and the way to improve performance is pointed out at the same time
計算和模擬了不同條件下對泵效率的影響;分析了動態響應的穩定性、快速性和靈敏性;探討了系統參數對其性能的影響,並提出了改善系統性能的途徑。Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency
研究結果表明:全液壓鉆機中應用電液比例技術,可以簡化系統組成和操作,提高鉆機自動化水平,提高系統效率,降低發熱和溫升;採用恆壓變量泵的給進加壓電液比例控制系統調壓性能穩定、響應快、節能效果明顯。In chapter 4, we study nonlinear theory of the open v - type system with two - color incoherent pump. in this chapter, we discuss the conditions for the onset of lwi and the stability of the system in the limit of strong driving field, and the effect of incoherent pump rate rt on the gain, dispersion and population differences. we also discuss the effect of nonlinearities and the effect of pumping rate threshold of the pumping field
接著第四章討論雙色非相干泵浦系統的非線性理論,分析了強驅動場情況下的lwi產生的條件和穩定性、非相干泵浦速率r ~ 1對增益、色散和粒子數差的影響;討論了該系統的非線性效應和非線性對非相干泵浦速率r ~ 1與r閾值關系的影響。In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis
本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光,利用密度矩陣運動方程,通過理論分析和數值計算,得出該系統產生無粒子數反轉激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響,還討論了頻率上轉換區域的非線性效應,分析了增益的穩定性及系統的瞬態演化過程。The construction of conical nozzle is used by pump ' s delivery - valve, making use of the dynamic characteristics of conventional. short pipe to enhance injection pressure. there are three parameters of fuel injection system : response pressure, injection - advanced angle, injection valve bulge high degree, the best match was found by adjusting them
在油泵出油閥端,採取漸縮管結構措施,利用管路動態效應提高噴油壓力;對于噴油系統參數:噴油壓力、靜態供油提前角和油嘴凸出高度,三個參數進行調整試驗,找到它們的最佳匹配。The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. to picked - up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification
對小波包分析應用於故障診斷進行了研究,利用模擬出來的故障數據,將快堆鈉泵非平穩時變振動信號分解到不同層次和不同頻帶上,有效地提取出反映鈉泵不同故障(狀態)的特徵向量,在識別中得到了滿意的結果。The mechanism of the vibration mitigation for the additive energy dissipating equipment is given out. the vibration mitigation equipment is designed. the numerical analysis for the effect of the additive energy dissipating equipment of pipeline system and the pole is processed
給出了附加耗能減振構件(裝置)消除振動的機理,設計了泵站管系減振和閥桿減振裝置,進行了管系和閥桿附加減振耗能裝置消振效應的數值模擬分析。Pumps - rotodynamic pumps - circulation pumps having an electrical effect not exceeding 200 w for heating installations and domestic hot water installations - requirements, testing, marking
泵.旋轉動力泵.加熱裝置和家用熱水裝置用電效應不足200w的循環泵.要求試驗和標記In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device
在實驗設計上給出了利用兩塊bbo晶體補償走離效應返回式泵浦非穩腔的實驗設計,設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動,用ccd對bbo - opo輸出波長進行標定,實現了bbo - opo調諧系統的閉環控制,相對波長調諧誤差小於0 . 04 ,並給出了354 . 7nm泵浦的類相位匹配bbo - opo輸出波長隨晶體轉角變化的理論和實驗曲線。Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump
文摘:採用具有線性相位的b樣條小波,應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵,為液壓泵的故障診斷提供了依據,並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑The charge pump automatically switches between 1x / 1. 5x modes based on the input voltage, to maintain correct output levels at a high power efficiency. the led driver regulates the current of leds to a value configured by the outside control signal. the four led output channels are current matched for consistent led brightness
電荷泵電路的功能是根據輸入電壓自動選擇1 . 5x或者1x電荷泵工作模式並輸出相應電壓信號,有較高的功率轉換效率;電流控制電路的功能是實現幾個並聯led通道的電流匹配並根據外加輸入信號控制led電流的大小。In recent years, the screw pump gets more and more extensive application with its unique performance in the oil field, in order to improve the output of crude oil, we should select pump of big displacement or increase the rotational speed, but this will make the ground system vibrate seriously, causing the system to be unable to work normally or some spare parts lose efficiency too early
近年來,在油田現場螺桿泵以其獨特的性能得到越來越廣泛的應用,為了提高原油產量,當選用大排量螺桿泵或增加螺桿泵的轉速時,地面驅動系統將產生強烈的振動,導致系統無法正常工作或系統內的某些零部件過早失效。A robotic arm fitted with multiple sensors extends from a regular petrol pump, carefully opens the car ' s flap, unscrews the cap, picks up the fuel nozzle and directs it toward the tank opening, much as a human arm would, and as efficiently
裝備有多感應器的機器人手臂會從一個普通的汽油油泵延伸,小心翼翼打開汽車油箱翻蓋、旋開箱蓋、拿起加油管,朝著油箱口,大部分和人工一樣的動作,並且同樣有效。In the paper, the influence of the westphal ' s pheonmenon of the movement of the pump valve and the compressibility of the liquid on the continuous flow condition of liquid in the cylinder being not only comprehensively considered, but also the dynamic property of the pump valve being reserched, a new accurate dynamic model used to describing movement of the pump valve is set up
本文綜合考慮了液體可壓縮性、泵閥運動的魏氏效應對泵筒內液體連續流條件的影響,並考慮了泵閥運動的動力特性,建立了新的泵閥精確運動微分方程,該數學模型不存在奇點問題。Since pump high - flowability concrete commenced in late 70 ' s, it has been put to extensive application due to its advantages of fast, high - efficiency and stable quality. but its high flowing property and pumpability also cause some negative effects, such as serious shrinkage cracks at early age, which arouses wide social concern
泵送高流態混凝土自從70年代末期產生以來,以其快速高效、質量穩定等特點得到了廣泛的應用,但它的高流動性和可泵性也產生了一些負面作用,如早期收縮開裂現象比較嚴重,引起了社會的普遍關注。Secondly, a new method was proposed to obtain two important coefficients of the ce : knsbn crystal, rreff and neff, by fitting the variation of response time as a function of 2. thirdly, the temporal behavior of the pump beam, signal beam and fanning and the influence of fanning to twm were carefully studied and analyzed under different incident conditions in twm
在不同寫入光強比和寫入總光強下,獲得了ce : knsbn晶體兩波耦合過程中信號光及泵浦光的時間演化曲線,分析了光扇的時間演化和光扇效應對兩波耦合動態過程的影響。Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly
實驗上採用對熱效應不敏感的三鏡折疊腔, ld泵浦nd : yag ,類相位匹配lbo作為倍頻晶體,獲得了1 . 1瓦的連續473mn藍光輸出;採用腔內插入光闌的方法,有效克服了功率抖動,同時改善了光斑模式;實驗中發現準三能級激光器存在兩個空間模式匹配比例關系,並對這一現象給出了合理的解釋。分享友人