渦流測功 的英文怎麼說
中文拼音 [guōliúcègōng]
渦流測功
英文
eddy-current dynamometer-
Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric bow wave dynamometer control subsystem. with the mathematic models of engine load simulation controller, which transferred the work resistance ' s change to engine load change immediately, the system can met the need of the simulation control system
發動機負荷模擬加載控制系統包括彼此獨立的作業阻力模擬控制子系統和電渦流測功機控制子系統兩部分，應用發動機負荷模擬控制器數學模型，使作業阻力的變化及時轉換為發動機負荷的變化，能夠滿足模擬系統的控制要求。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。Ecdy eddy current dynamometer
渦流式測功器5. according to the requirement of amt start up experiment, using dynamic link library to program for different kinds of data acquisition card and transferring data between pc and multi scm. in this way data can be acquired successfully and engine throttle 、 clutch locking speed and eddycurrent dynamometer torque were controlled by pc programs
根據試驗要求，採用動態鏈接庫的方法對不同數據採集卡進行混合編程，順利地採集參數和控制發動機節氣門開度及離合器結合速度，利用上下位機多機通信，使上位機控制電渦流測功機，實現了模擬加載。Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric eddycurrent dynamometer control subsystem
發動機負荷模擬加載控制系統包括彼此獨立的作業阻力模擬控制子系統和電渦流測功機控制子系統兩部分。Moreover, a method for iterating thermal and magnetic analysis is put forward. in chapter 5, the distributed characteristics of eddy and temperature fields in induction heating process are simulation by fem respectively, including the distributions of eddy and temperature fields during the whole induction heating process, the influence of frequency and magnetic disperse, and the prediction of hardened depth
第五章:用ansys軟體對感應加熱過程中工件內渦流場、溫度場的一些基本問題進行模擬及分析，主要包括:加熱過程中工件渦流功率密度及溫度分佈規律;頻率與磁力線逸散對加熱效果的影響;同時對感應淬火淬硬層深度進行了模擬預測。A lot of software for the measurement and control system of the codog power plant experiment rig are able to collect the status parameters of the diesel, gas turbine, gear box and electrical vortex dynamometer, to manage the data, to display, to store the data, to judge of working status and to alarm the failure
編制了codog物理模擬實驗臺測控系統軟體，主要任務是完成柴油機、燃氣輪機、並車齒輪箱和電渦流測功器各狀態參數的採集、數據處理及顯示、數據保存、狀態判斷和故障報警等內容。A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。Eddy current dynamometer
電渦流測功機With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate
摘要本文在自行開發的渦流室柴油機壓力數據測錄系統的基礎上，利用等效功法和七點三次加權移動平均法，分別對示功圖進行了上止點校正和壓力曲線光順，使壓力數據更精確，為燃燒放熱率的計算打下了良好的基礎。With the rapid development of network communication and micro - electronic technology and vortex shedding flow meter widely used in the flux control system, the paper has an advanced research on low power consumption vortex shedding flow meter based on network communication
論文根據當前網路通信技術和微電子技術迅猛發展，以及渦街流量計在流量測量系統中廣闊的應用前景提出了基於網路通信的低功耗渦街流量計。After analyzing the present situations of flowmeters, applications of single - chip computers in flow measurement meters, and the development trends of flowmeters, we ' ve designed an advanced intelligence vortex flowmeter, which can display the results on - the - spot ( includes instantaneous flow, total flow, temperature, pressure, and surplus capacity of the cell ), communicate with the upper computers through the serial port and realize automatic copying meters
本論文通過對現有流量計及單片機在流量檢測儀表中的應用現狀的分析，結合流量計的發展趨勢，設計了一種先進的智能渦街流量計，它能現場顯示測試結果（包括瞬時流量、累計流量、溫度、壓力、電池剩餘容量） ，並且通過串口可與上位機通訊，實現自動抄表功能。The tool software is visual c + + 6. 0. the software includes three main parts : ( 1 ) pre - processing, means carrying out denoising operation to the images with morphological filter : ( 2 ) after this, one of three kinds of methods can be selected to do the processing operation. ( 3 ) post - processing. this process is the complementarity to the step 2. velocity profiles and the picture of vorticity correspond to the flow field can be got in this step and the processed data can be saved too
本軟體主要實現的功能包括： （ 1 ）用各種形態濾波器對實驗中所獲得的粒子圖像進行去噪的預處理操作； （ 2 ）對去噪后的圖像採用三種方法進行處理操作，給出所測流場的速度矢量圖； （ 3 ）進行后處理，包括給出過濾后的速度矢量圖、速度剖面圖、渦量圖和進行數據保存等。分享友人