混合流動方式 的英文怎麼說

中文拼音 [húnliúdòngfāngshì]
混合流動方式 英文
mixed regime of flow
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 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...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
  • 方式 : way; fashion; pattern
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了直線步進電機的開環數字控制;利用v f變換和復鍵控法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在旋轉步進電機上進行了全面測試。
  2. The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state

    本課題的研究工作主要圍繞開發一臺並聯力電汽車( phev )用永磁同步電機( pmsm )展開,所作的工作主要包括以下幾個部分:首先,確立了phev用pmsm電機運行狀態時的電控制策略,針對pmsm在電機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾,提出了初步的解決法。
  3. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉層模,根據參數化法對波浪破碎導致的能量耗散率進行了估計,通過改變湍程的上邊界條件引入波浪破碎對湍能生成的影響,計算了不同風應力強迫下的場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  4. To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction

    凝土縫面處理採用高壓水沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體凝土成型質量和工程進度;在二期凝土施工區域,為免除人工鑿毛勞強度,採用永久性免拆金屬模板網作為一期凝土模板;鋼筋連接改進傳統的電焊連接,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一工程」成為可能;三峽二期工程凝土溫控綜技術的應用,有效降低了壩體凝土溫度的產生;凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。
  5. Universal type that guangzhou dongchen electric vehicle co., ltd develop the latest electric car mix with the motive to become soon the green environmental protection motor car, it broke the traditional consciousness, the way that whole car lines that tradition of limitless become soon, that car have the zero row to put, free from pollution, have no the noise, mentally retarded consume, start steady, long drive route, excellent climbing ability, the special advantage of low etc., function index sign of movement cost is already the advanced level, it broke the tool of traditional transportation means of transportation flowing freely of world, now a humanities culture for be in the leading, a nature consciousness for be in the leading

    廣州東辰電車有限公司最新款的普及型力變速綠色環保電車,它打破了傳統的無極變速,該車具有零排放、無污染、無噪音、低能耗、起穩、行程長、爬坡力強、運行成本低等獨特優點,性能指標已達世界先進水平,它打破了傳統交通代步工具的局限意識,整車線條暢,體現一種領先的人文文化,一種領先的自然意識。
  6. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結專家系統與神經網路構造型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的程、以及基於事實的自解釋機制的具體實現法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。
  7. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點及其實現的功能為:電液改變了工程機械冷卻裝置驅單一的缺點,發機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅系統中電液比例閥的控制電,進而控制液壓油的量,即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電機驅,然後由單片機根據液壓油的溫度控制電機的起和停止。
  8. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁變阻尼器工作模,利用磁路中的歐姆定律和態磁路設計原理,結汽車懸架的技術要求和結構特點,提出了基於剪切模共同作用(工作模)的汽車磁變阻尼器設計原理,討論了阻尼器態磁路設計中的若干技術問題;根據體力學navier - stokes程,分別利用newton體特性和bingham體特性,推導了基於平板模型和軸對稱模型的變學程,得出了阻尼器阻尼力的計算法。
  9. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和態多徑失真,有利於數字和模擬電視的傳輸,它的多載波調制模功能和性能在移和便攜接收、同頻網等面具有獨特的優勢。
  10. From the experiments we can get a conclusion that with the characteristics of working well, sample circuit and light path, rated current error and phase error fulfilling accuracy class 0. 2, and respond speed and bandwidth superior to old electromagnetic current transducer, the hybrid current transducer we designed is practical

    實驗證明,採用這種法設計的光纖電互感器工作可靠、電路和光路簡單,比差和相差都能夠很好地滿足國標中對0 . 2級電互感器的要求,態響應速度、帶寬等性能都明顯優于傳統的電磁互感器,已經進入實用化階段。
  11. A current compensation method is presented and realized, which improve the pull - out performance at half - step mode in wider high frequency range for two phase hybrid stepping motors, and the usable horsepower of the system is also increased

    給出一種電補償的法,使得半步運行的二相步進電機和牽出特性在高頻運行的一定頻段內得以提高,增大了該電機系統的可用功率。
  12. The cavitation flow in a nozzle at steady spray of a diesel engine was simulated, and the formation mechanism and distribution of cavitation inside the nozzle were analyzed using mixed multiphase flow model coupled with cavitation model

    摘要利用多相體模型加空穴模型的法,模擬了柴油機孔噴油嘴穩定噴射時嘴內的空穴現象,分析了空穴在噴油嘴內形成機理及其分佈情況。
  13. Firstly in this part, computer simulation methodology based on the baecher model for generating network of discrete fractures was presented, which includes the follow details : probability distributions of fracture density, orientation, trace length, size, and aperture and estimation of their statistical parameters ; stochastic models of fracture network ; monte - carlo ' s simulation method ; numerical simulation procedure and technicality. then, boundary element method was used to calculate flow through the generated fractured network. assuming single fracture as a two - dimension inexpressible isotropic porous media, boundary element method equations for flow in single fracture and then in fracture network were derived using the weighted residual method

    給出了離散裂隙網路模型所依據的基本假定;發展了基於baecher模型的離散裂隙網路計算機隨機生成技術:詳細地推導了單裂隙滲和多裂隙相交網路滲的邊界單元法公,發展了離散裂隙網路中穩態滲的邊界元數值技術,並且討論了相關的具體數值技術細節,如角點的處理法,單元的自剖分等:描述了邊界元?管模擬法及其數值實現;研究了裂隙網路的簡化法,並針對裂隙網路邊界元法的特點提出了一種改進的分塊三角分解法。
  14. Abstract : the phenomenon of light and heavy steps in 5 - phase hybrid stepping motors is investigated. focusing on the relationships between phase - current and phase - voltage caused by different switching modes, a proposal to improve the light and heavy steps under3 - 4 phase mode is presented and the well - agreed experimental results are given

    文摘:研究了五相步進電機4 5相通電運行時的輕重步現象,通過分析不同通電時導通與截止相的相電壓變化對相電的影響,闡明了3 4相通電可以改善電機輕重步現象的機理,並進行了實驗驗證。
  15. The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )

    論文在討論了直線直步進電機工作機理的基礎上,根據兩相直線直步進電機( hdclsm )集中繞組的通電特點和脈沖步進控制法,採用單片機為核心控制單元,提出了兩種數字控制案,分別就每種控制系統技術案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。
  16. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度步進電機的余度切換控制、自定位、零位自搜索、停機鎖定、數字化頻率設定、自調頻變速控制、細分波切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電顯示等功能。
  17. Different disposal style for the reburning air & burning out air ( tangential or front and rear walls ) and their disposal heights. 2. different momentums of ofa ( under the condition of constant airflow of primary area and condition of constant flux inputted simulated boiler )

    冷模試驗范圍包括: 1 、再燃風和燃盡風的不同布置(切向布置和對墻布置) 、布置高度; 2 、不同燃盡風量(爐內總進風量不變和燃燒器主氣不變兩種情況) ; 3 、再燃風、燃盡風的不同組與主氣之間的
  18. Based on the pwm technology ( the style of traced sin current ) with fixed switch frequency, a sin subdivided driving system for three - phase hybrid stepping motor has been built

    基於固定開關頻率型正弦電跟蹤pwm技術,採用軟硬體結完成三相步進電機正弦波細分驅系統的研製。
  19. With mixed - refrigerant, the thermodynamic efficiency of j - t cooler can be greatly improved. in this thesis, an open fast - cool - down j - t cooler driven by the high pressure pure nitrogen is investigated, and we also proposed mixed - refrigerant j - t coolers driven by a single stage oil - lubricated air - conditioning compressor. these two systems were studied both in theory and experiment

    採用工質的j - t節製冷機在熱效率上比純質有大幅度的提高,本文從理論和實驗兩個面分別對開的j - t快速節製冷機系統和用空調壓縮機驅工質閉j - t節製冷循環進行了研究。
  20. The flow form and the mixing machine of the particle materials in a gravity storage bin were presented through experiments. the calculation of the flow rate was proposed when the materials passed through the hole of the vertical pipe. the mixing index calculation model of estimating the particle mixing result was determined to be used in pilot tests for the characteristics af the gravity mixing. it proved the design reasonableness of the pilot test gravity mixing storage bin

    通過實驗介紹了顆粒物料在料倉中的及顆粒機理,提出了粒料通過垂直管開孔的率計算程,針對重力摻的特性,確立了評價顆粒效果的指數計算模型,用於中試實驗,證明了中試重力摻倉設計的理性。
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