流量測試計 的英文怎麼說
中文拼音 [liúliángcèshìjì]
流量測試計
英文
flow tester- 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
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 試 : 名詞(古代占卜用的器具) astrolabe
- 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...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 測試 : test; testing; checkout; measurement
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Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably
同時,作者結合靜電測量原理以及氣力輸送管道的實際工況,從理論上提出了靜電傳感器的設計依據,完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗,分析了實驗現象和結果,驗證了靜電傳感器用於煤粉質量流量測量的可行性,並且通過系統調試和實驗,針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進,使其性能有了顯著地提高。However, one of the most serious impediments to wider use and improve precision of psi is its sensitivity to external vibration with the consequence that psi has rarely been used in a manufacturing in - situ and some special situations, such as that the optical path is very long or the detected unit is very large
通過嚴格控制環境條件(溫度、氣流、振動等) ,其理論光程差(位相)的最小解析度可以達到nm的數量級。然而,由於干涉計量測試靈敏度高、精度高,對外界振動非常敏感,使它的應用范圍受到限制。This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume, the design of khafagi flume and the buoy - level mechanism, the signal conversion by the angle measuring sensor and the deduce of the flow equation. it also introduces the hardware design, the development and emulation on software of the intelligent measuring meter in detail. the error of flow measurement is analyzed and calculated in the end either
本文對槽式流量測量的基本原理、卡發基槽和浮桿測量機構的設計、角度傳感器的信號轉換以及流量計算公式的推導做了全面的闡述;詳細介紹了智能儀表應用系統的硬體電路設計和應用軟體的開發及模擬調試;最後對測量系統的各項誤差進行了分析和計算。The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts
通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的,目前在總流量的測量中主要使用的是渦輪流量計,由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律,影響測量精度,此外,普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難,為此,一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;利用變頻器調節主風機轉速、用步進電機調節風門開度來調節風量,用步進電機調節回油閥開度來調節供油量,從而實現對模擬實驗臺出口煙氣熱流量的調節;實驗臺的流量測量採用風機動力性能測試標準中測流量方法等。Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變;實驗臺的流量測量採用風機動力性能測試標準中流量方法等。With the experiment, the author believes that electrostatic transducer technology has several characteristics as the new means of mass flow rate measurement technique : its structure design is very novel and can be prone to be installed, it is more suitable for the measurement on the mass flow rate of the coal particulate in larger caliber pipelines and has higher delicacy in the measurement on both dilute and dense phases
通過實驗,作者認為靜電傳感技術作為一種新興的質量流量測量技術具有以下特點:靜電傳感器結構設計新穎,易於安裝,適合於大口徑管道中煤粉顆粒的質量流量測量,對稀相及濃相測試均具有較高的靈敏度。This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off
本文測試內容相當多,概括地說就是四個工況的測試,即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試;另外在夏季工況的測試中還進行了變流量測試,在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理,計算出了冬(夏)季工況埋管吸(放)熱量、熱泵空調器供熱量(製冷量) 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數(製冷能效比)和平均傳熱系數等;另外,還比較了熱泵運行時地下一二層埋管進出水溫度變化情形,得出地下二層埋管換熱能力優于地下一層埋管,且換熱很穩定;並分析了過渡季地下一二層埋管溫度恢復情形,得出熱泵系統停機一周內地溫恢復特別快。Zhonglong instrument co. ltd is a hi - tech enterprise specialized in manufacturing flowments. the headpuarters is located in qixianling industrialization base of dalian hi - tech zone. our company is the director unit of the flowinter committee of china metrological measuning institute and china instrument manufacturer association ( cima ). the standing director unit of liaoning province quality and technology supervision association ; and the professional flowmeter committee of liaoning province metrological measurin institute is located at our company. our company has established the subsidiaries of yantai zhonglong instrument co. ltd. shanghai zhonglong industrial co ltd. harbin zhonglong instrument co ltd and beijing zhonglong weite instrumentation co, ltd. shandong fangyuan measurement instruments test co. ltd. by means of share holding. it ” s a stock enterprise integrated with research and development, manufacturing, markting and service of flowmeters
中隆儀表有限公司是一家專業生產流量儀表的高新技術企業.公司的總部設在大連高新園區七賢嶺產業基地,是中國計量學會和中國儀器儀表協會流量委員會的理事單位;遼寧省計量測試學會流量主要委員會所在單位.公司已參股控權形式設有煙臺中隆儀表有限公司.上海中隆實業有限公司.西安中隆儀表有限公司.沈陽中隆數碼科技有限公司.哈爾並中隆儀表有限公司.北京中隆維特儀器儀表有限公司.山東方圓計量器具檢測有限公司.是集流量儀表研發.製造.銷售和服務為一體的股份制的企業Aiming at the structure characteristics of the pipeline system of the existing boiler combustion equipment, the paper work out the new - style air speed measure components via the theory analysis of the existing measure components of all kind of forms and measure theory. and then the paper designs and builds the wind tunnel test - bed to process the test and research of the air speed measure components in order to realize it ' s structure and each characteristic parameter
針對現有的鍋爐燃燒設備管路系統的結構特點,論文通過對現有的各種形式、測量原理的流量測量裝置的理論分析,設計出新型的風速測量元件,並且設計、建立滿足試驗所需的風洞試驗臺,對風速測量元件的結構及各項特性指標進行試驗研究,完成一次元件的開發工作。Circuit simulation by computer has been an important assistant and practicality tool. protel 99 has a massive performance to design and simulate the circuit, the result based on the signal simulation of electrochemical interface circuit by protel 99 proved that the circuit are proper and can accomplish the potentiostatic, galvanostatic and coulostatic measuring
計算機輔助電路模擬分析已成為電路設計的主要助手和工具, protel99具有功能強大的電路設計和信號模擬功能,運用protel99對電化學介面電路進行信號模擬,模擬結果表明電化學介面電路設計正確,能實現恆電位、恆電流和恆電量測試。Test method for open channel flow measurement by acoustic velocity meter systems
用傳聲速度計系統測試明渠流量的試驗方法In order to get suitable algorithms which are accuracy, feasible, practical and convenient to be realized by virtual instrument, this paper firstly analyzes measuring algorithms of major power quality parameters, such as voltage, current, frequency, harmonics, flicker, unbalance factor etc. then two algorithms, the one for basic power quality parameters measurement based on spectrum correction and the other one for flicker measurement based on fft, are presented
基於虛擬儀器技術的電能質量測試儀應用靈活,升級方便, 「軟體就是儀器」的特色使測試儀各種通用功能和預期功能的方便實現成為可能。文章對電能質量的一些主要指標:電壓、電流、頻率、諧波、電壓波動和閃變、三相電壓不平衡度等的測量演算法進行了分析,尋求適合虛擬儀器實現的,切實可行、計算精確、實用性強的計算方法。And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method
然後根據電液伺服閥的液橋理論提出了一種負載流量低壓測量方法,在所開發的測試系統上,利用電液比例閥模擬流量測量裝置對所提出的方法進行了試驗驗證,實現了利用低壓流量計和壓力傳感器進行電液伺服閥負載流量特性和空載流量特性的測量。Yl - b medical equipment flux tester is designed for testing flux of medical treatment instrument according to the relevant clauses of national criteria
醫療器械流量測試儀是依據醫療器械國家標準中的有關條款而設計的專門用於檢測醫療器械流量的專用設備。In order to save and use electric energy reasonably and effectively. it is necessary to measure ac electric parameters accurately and real - time, so the rapid development of industrial production requires measuring instrument with high level. during the operation of industrial devices, it demands real - time, on - line measurment of the multi - parameters for crect operation. therefore, power system and users demand urgently a new type of safe, reliable, real - time and high - speed measuring instrument of ac parameters
為做到節約電能併合理高效地利用電能,這就需要對電量參數進行準確、實時地檢測,因此,對測試計量儀器也提出了越來越高的要求。許多工業設備在運行過程中,需要對其進行實時在線測量,隨時了解其各種電量參數。所以電力系統以及電力用戶都迫切需要一種安全可靠、實時快速的交流電量綜合檢測儀器,有效地對電量參數進行測試。Analysis of the test results of the rear - installed cooling system revealed that the overheat problem resulted from the measured cooling air temperature being higher and the coolant flow and transmission oil flow being smaller than the correct design value, and that the wrong location of the hydraulic oil cooler cannot completely meet the need of the cooling system
通過對測試數據進行分析,確定了系統過熱的原因,即系統中測試獲取的冷卻風的溫度比設計值高,冷卻水和傳動油的體積流量比設計值小,而且液壓油散熱器布置位置錯誤。After several tests, it is showed that the system is reliable, flow measurement is accurate, and data ' s confidentiality and the system ' s anti - interference functions are very strong
通過試驗,該智能渦街流量計系統運行可靠,流量測量準確,數據的顯示清晰明了,系統數據保密性能和抗干擾能力強。Flowmeter test methods for mass flow measurements of volatile refrigerants
揮發性製冷劑質量流量測量用流量計試驗方法分享友人