旋轉流量計 的英文怎麼說
中文拼音 [xuánzhuǎnliúliángjì]
旋轉流量計
英文
rotameter- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 流 : 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : 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...
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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The flowmeter designed in this paper is true utra - low power consumption, and it can be supplied by dry battery
本課題設計出的ls旋轉流量計真正實現了超低功耗,可以採用干電池長期供電。Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc
交流無間隙金屬氧化物避雷器,適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。2high efficiency but energy - saving large flow rate and high total height thanks to the patent design impeller
2專利設計,水葉單向旋轉,大流量,高揚程,節能高效。Liquid flow measurement in open channels. rotating element current - meters
明渠中液體流量的測定.旋轉元件流速計Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device
目前,隨著計算機技術和電子技術的飛速發展, i / o設備介面控制技術領域有了長足進步。其中, pci介面成為主流的微機標準介面,而與操作系統平臺的發展相適應, wdm已成為業界普遍採用的驅動程序模式;同時,在傳感器應用方面,高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者,而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption
本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢;採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的;利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。High - pressure hose 10 m, pivoting stainless steel spray lance ( 850 mm ), triple nozzle 0 / 25 / 40, easy - press trigger gun woth soft grip insert
帶軟護套引發槍, 10米高壓管, 850毫米可旋轉不銹鋼噴槍桿, 7升清潔劑箱,無級可調水壓和水流量控制,壓力控制開關,凱馳專利高壓管防纏繞設計。Rotating oscillating piston flowmeter
旋轉活塞流量計Viscosimetry - measurement of viscosities and flow curves by means of rotation viscosimeters - part 2 : viscosimeter calibration and determination of the uncertainty of measurement
粘度測定法.用旋轉粘度計測量粘度和流量曲線.第2部分By applying four kinds of fluids and through contrasting the relevant parameters measured by rotary viscometer with the calculation results from funnel viscometer and rotary viscometer, it is indicated that the funnel viscometer is of relatively high measuring accuracy and can be well applied to the rheological design of drilling fluid
文章最後應用四種不同性能的液體,採用旋轉粘度計實測的有關參量,與漏斗粘度計及旋轉粘度的計算結果對比,說明了漏斗粘度計在一定條件下具有較高的測量精度,能較好地用於鉆井液的流變學設計。Part two : the research on utra - low power consumption design of ls flowmeter. this part finishes design of ls flowmeter with utra - low power consumption, little volume and high performance according to the second direction of flowmeter development
第二部分: ls旋轉流量計超低功耗設計的研究此部分就流量計發展的第二個方向來設計出功耗超低、體積小巧、性能較高的ls旋轉式流量計。The paper finishes the analyze and design on utra - low power consumption from sides of the design of sensor, the choice and running of microprocessor display with lcd. at last, the paper finishes the flowmeter with utra - low power consumption
文中緊緊抓住功耗問題,分別從傳感器等輸入通道、單片機的選擇及運行方式、液晶顯示等傳感器輸出通道及電池電源的選擇等方面對ls旋轉流量計進行超低功耗分析、設計。Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; sources of errors and corrections concerning cylinder ; rotation viscometers
粘度測定法.第2部分:用旋轉粘度計測量牛頓流體的動態Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; principles
粘度測定法.第1部分:用旋轉粘度計測量牛頓流體的動態The principal contributions of this dissertation are : 1. a high fidelity and real - time rotor wake inflow model was built up. based on peters - he finite states wake theory, a new influence coefficient matrix for high speed flight was derived, the modified wake model is better suitable for the flight state with a large wake skew angle
本模型以peters - he有限狀態尾跡理論為基礎,修正了大尾跡傾斜角時的誘導速度影響系數矩陣,並結合了王氏渦流理論,導出了旋翼誘導速度垂向分量和旋轉分量的表達式,可計算平尾、尾槳和垂尾氣動中心處誘導速度各分量。Rotary - type gas displacement meters
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