瞬變工況 的英文怎麼說
中文拼音 [shùnbiàngōngkuàng]
瞬變工況
英文
transient condition-
In this paper, starting from the basic law of fluid me chanics, a mathematical model equation for describing the tran sient flow of the wet gas in the pipeline under peak shaving op eration is established, a simplified treatment for the model equa tion is made and a train of thought for concrete calculation is de signed
文章從流體力學的基本規律出發，建立了描述濕天然氣管道輸送調峰工況下瞬變流的數學模型方程，並對模型方程作了簡化處理，設計了具體的計算思路。Measuring engine transient process data in ca1258p1k2l11t1 truck in accelerated mode, recording and analyzing the data, then analysis the test error. 4. building model and simulating two typical running mode ? fixed 6th gear acceleration with initial vehicle speed 40km / h and gear change acceleration starting with 2nd gear, comparing calculated result with test result, revising transient process simulation model and analyzing error between calculation
本文基於ca1258p1k2l11t1載重卡車對ca6df2 - 26發動機的瞬變工況進行試驗和模擬計算，結果表明: 1 ） gt - power軟體可以很好的模擬、分析、預測發動機瞬變過程，模擬計算的結果與試驗結果很接近，試驗證明，預測分析指出的改進方向是正確的; 2 ）加裝電動增壓器可以降低整車使用油耗，改善低速煙度排放，縮短加速時間，改善整車的加速響應; 3 ） gt - power軟體預測分析配合發動機和整車試驗是分析、解決發動機瞬變過程的有力工具。The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。This paper introduces the situation of mine earthquake happened in the uptown in tongjialiang mine and the geological condition, probes into the working principles and procedures of transient electromagnetic method and high - density resistivity method, determines the worked - out section and worked - out scope
介紹了同家梁礦住宅區發生礦震的情況和地質概況，探討了瞬變電磁法、高密度電阻率法的工作原理和程序，確定了礦震區域的采空層位和采空范圍。This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes
在研究小波動情形時，即系統在穩定工作工況點附近小瞬變時，可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型，推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗，整定了最佳調節參數;通過動態比較，分析了調節系統參數改變對其動態性能的影響。Valves in the system, initial conditions, the length of the conduits and the adjusting method all affect the transient characteristics of the pump system, and the influences differ form each other
閥的特性、初始工況、管長和調節方式對泵的瞬變特性有影響，而且影響各不相同。Engine condition monitoring based on order tracking estimate of the instantaneously changing work condition
基於瞬變工況階比跟蹤的內燃機監測方法研究The article calculates the transient of the pump system with three initial rates of flow and three kinds of pipe length by use of the characteristic method, and obtains the system ' s transient characteristics
用特徵線法對三種初始流量、三種管長關閥實驗時泵系統瞬變計算，得到系統的瞬變工況特性。On the platform of windows xp, depending on the model of the hydraulics computer simulation and the algorithm, aiming at the general main pump station ( gmps ) of yrdp, from wanjiazhai reservoir to shentongzui reservoir, the hydraulics computer simulation program has been programmed and implemented with ms vb 6. 0, which is able to simulate the hydraulics characteristics of a series of transient working conditions between gmps1 and gmps2 of yrdp
在windowsxp環境下，以上述模擬計算模型和演算法為基礎，使用visualbasic語言，編程實現了引黃工程從總干萬家寨水庫至申同嘴水庫水利學模擬計算程序，對總一、二級泵站的多種運行工況的水力學瞬變特徵進行了模擬計算。Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock
本文用數值分析的手段，對既有隧道的安全性進行了彈塑性靜力分析、瞬態動力學分析和結構力學分析，如下： （ 1 ） 、新建隧道的開挖對既有隧道造成偏壓影響，使得既有隧道發生偏轉和變形，從而對隧道襯砌產生不良後果，其影響程度與隧道間距、施工方法、地形和圍巖狀況有關。分享友人