風速計數器 的英文怎麼說
中文拼音 [fēngsùjìshǔqì]
風速計數器
英文
wind eed counter- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 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...
- 數 : 數副詞(屢次) frequently; repeatedly
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 風速 : [氣象學] wind [air] speed; wind [air] velocity
- 計數 : count; tally; counting計數卡 numbered card
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The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators
本文重點是對蒸發器建立動態模擬模型,並對製冷劑側和空氣側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬,而且對影響蒸發器性能的主要參數(空氣側入口風速、入口含濕量等)進行了分析和計算。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大,運行時風門開度較小(對入口調節器調節)或低轉速運行(調速運行方式) ,風機效率較低的狀況,通過對某電廠送風機改造實例的分析,提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策,對電廠的節能增效有一定的積極作用。For the dual register burner, while cat being applied, it simulates the influences of the flow field in the burner by changing the velocities of primary flow and inner / outer secondary flows, and by changing the opening percents of inner / outer vanes. eventually, the appropriate values for velocities and opening percents of vanes are recommended, to provide engineering problems with theoretical orientations
針對雙調風旋流燃燒器,本文運用計算機輔助試驗( cat )方法對一次風速度,內、外二次風的葉片開度及內、外二次風速度對燃燒器內流場的影響進行了數值試驗,得出了雙調風旋流燃燒器推薦使用的二次風葉片開度和速度值范圍,為工程應用提供了理論依據。Finally to accomplish the development of air speed measure components being based upon above discussion, the paper chose rationally hardware equipments, such as the tiny pressure difference sensor, the data collection system, the industrial control computer etc, solved the communication interface problems of the hardware platform, compiled the system software of the air speed on - line monitor, and raveled out a series of technical problems about the signal real time conversion, transfer, modify, calculate, display and so on
在此基礎上,對微差壓變送器、數據採集系統、計算機等硬體設備進行了合理選型,解決了硬體平臺的通訊介面問題。編制風速監測系統軟體,解決信號實時轉換、傳遞、修正、計算、顯示等監測系統二次部分開發的一系列技術問題。Based on the formers, this dissertation efficiently selects the face features abstracting using ica. with no decline of recognition rate, the feature dimension is reduced, so the course of recognition is accelerated. support vector machine pattern recognition method is based on vc dimension theory, adopting the srm principle and considering training error and the generalization ability, which has shown many special advantages in dealing with small samples, non - linear and pattern recognition in high dimension
本文採用基於矩陣s的人臉表示方法,將ica特徵選擇的概念和演算法用於人臉特徵的提取和優化,在不影響識別率的情況下,降低了特徵維數,提高了識別速度;支持向量機( svm )模式識別方法基於vc維理論,採用結構風險化原理,兼顧訓練誤差和泛化能力,在解決小樣本、非線性及高維模式識別問題中表現出許多特有的優勢;對于多類問題,介紹並採用了「一對一」的策略進行svm分類器設計;對于圖像預處理,詳細介紹了幾何歸一化的演算法步驟。This controlling way can make the passengers feel much comfortable and make the bus air - conditions work with a high efficiency. in this thesis, a single - chip microcomputer fuzzy controlling system with mcu : at89c51 is designed to deal with the bus whole air - condition composed with refrigerating system and heating system. via controlling the open of temperature door, turnaround speed of evaporator fan and subsidiary engine, it can control temperature of railway carriage
本論文針對獨立式全空調型(完全合一型)客車空調系統,設計了一個以at89c51為核心的採用模糊控制演算法的嵌入式單片機控制系統,通過控制溫度門的開口角度、蒸發器風扇的轉速、輔助發動機的轉速來控制車廂內的溫度,通過壓縮機的開、停對蒸發器除霜,系統具有溫度顯示、用戶設定的分擋多級溫度控制、在線控制參數修改等功能。The more details about author ' s work are as follows : 1 ) the mathematical models of solar array wind turbine, diesel, battery, converter and inverter are presented based on quasi - steady state theory. by using the models, the power flow may be determined corresponding to solar radiation and wind velocity data so that the long - term performances of wsdbhps can be predicted
具體說來本文的工作及創新點如下: 1 )建立了光伏陣列、風力發電機組、蓄電池、柴油機和逆變器的穩態數學模型,利用該模型可以計算出對應實時的太陽輻射強度和風速下系統的實時能量分佈,為預測系統功率流以及長期穩態性能打下基礎。分享友人