水下分流器 的英文怎麼說
中文拼音 [shuǐxiàfēnliúqì]
水下分流器
英文
subsea diverter- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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...
- 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
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Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit
燃燒所引起的運動形式之一-熱對流傳熱,不斷地加速度地從熱源體傳導給容器中的液體,由那凹凸不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來,一部分被吸收,另一部分被傳導,使水的溫度從常溫逐漸升到沸點。這種溫度的上升可作為消費結果標志如下:將一磅水從華氏五十度加熱到二百十二度,需耗七十二熱量單位。For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks
對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。2. aqueous solution electrolyte such sulphuric acid starts to decompose about iv or so, but nonaqueous solution such as 1 mol / 1 eunbf4 / pc ca n ' t decompose below 2 - 5v. at the same current, the capacity of capacitors with monaqueous electrglyte is higher than that of aqueous electrolytes, but the former have high internal resistance, the latter has low resistance but it erodes the systems
由於水系電解質h _ 2so _ 4的耐分解電壓只有1v左右,而非水系電解質1mol 1et _ 4nbf _ 4 pc的為2 . 5v左右,在相同的電流下充放電時,電解質為非水系電解質的電阻大,這樣增大了電容器的內阻;而水系電解質h _ 2so _ 4的電阻低,但是它腐蝕設備。From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln
從介紹了dcs的結構、特點和分析華新型水泥窯的工藝控制特點及當今在水泥窯計算機控制系統上採用的幾種常見形式的比較出發,分析了在華新型水泥窯應用dcs的可行性;詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業控制應用中的性能;深入詳細地說明了西門子s7 - 300可編程序控制器在華新型水泥窯控制上應用及設計的全過程:控制流程圖的繪制;單元控制方案的確定;系統控制測點表的編制; plc控制項目的建立;項目硬體及網路的組態; plc控製程序的編制過程並詳細說明了控製程序的編制思路; plc與編程器連接的建立; plc項目組態及控製程序的下載; wincc監控軟體的組態;控制系統的調試過程及方法;對設計和使用的要點及系統調試時應注意的問題進行了說明;對項目的實施后的華新型水泥窯控制系統在操作和控制上及其在系統易維護性、系統穩定性上的優勢進行了說明並討論了華新型水泥窯計算機控制系統的發展方向。In this paper, the flush function is divided into two aspects. one is the process flushing the inner wall of the closet bowl ; the other is the discharge of the dirty objects under the action of water flow
針對其功能,本文將坐便器的沖水過程分解為兩方面進行研究,其一是對水包內壁的沖刷過程,另外則是在水流沖力作用下的排污過程。In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。It is designed for embedded applications with the following features : separate instruction and data caches ( harvard architecture ), 5 - stage pipeline, hardware multiplier and divider, interrupt controller, 16 - bit i / o port and a flexible memory controller. new modules can easily be added using the on - chip amba ahb / apb buses. it has flexible peripheral interfaces, so can be used as an independent processor in the board - level application or as a core in the asic design
它遵照ieee - 1745 ( sparcv8 )的結構,針對嵌入式應用具有以下特點:採用分離的指令和數據cache (哈佛結構) ,五級流水,硬體乘法器和除法器,中斷控制器, 16位的i / o埠和靈活的內存控制器,具有較強的異常處理功能,新模塊可以輕松的通過片上的ambaahb / apb總線添加。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。Wastewater collected from canteen kitchens, including that from basins, sinks and floor drains shall be fitted into foul sewer via grease traps capable for providing at least 20 minutes retention during peak flow
來自食堂廚房的廢水,包括來自水池、水槽和地面排水管的,應經由最大流量時能夠保持20分鐘的集油器,排入污水下水道。This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising
在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流,總結出了如下規則:隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下,綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施;在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施,再輔助以選擇合適的主變有載調壓分接頭來調節,達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小,從而也提高了電網安全運行水平及供電質量。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。Usually, single vector sensor will obtain infinite gain if noise energy flow can be counteracted in whole space
在理想情況下,若噪聲場為各向同性噪聲場,則通過聲能流長時間積分,單個矢量水聽器便可獲得無限大的增益。Through developing a 2 - dimensions heat transfer model of buried pipe - in - pipe heat exchanger and simulating the process by computer, the author figures out inter - relations of factors which influence characteristics of buried pipe - in - pipe heat exchanger, such as pipe diameter, pipe length, ratio of pipe diameters, flow rate, inlet water temperature, patterns of water inlet and outlet, and material features made of pipe, and proposes some optimizing indexes of buried pipe - in - pipe heat exchanger. the author studies the " heat - - short circuit " phenomenon as well and gives < wp = 5 > some important results
本文通過建立地下套管式埋管換熱器傳熱過程的二維傳熱模型,並藉助計算機對分析結果進行解析,弄清了影響埋管換熱器性能的管徑、管長、管徑比、通過流量、進水溫度、進出水方式以及管材等參數的作用,並提出了相應的優化指標,對研究界懸而未決的「熱短路」問題也進行了細致分析,得出了有關結論。Main contents for studying of the paper is : ( 1 ) analysing the outcome, characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa. ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak. ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity
本課題研究的主要內容為: ( 1 )分析對比歐美主要國家熱水設計秒流量計算方法的結果、特點及存在的問題; ( 2 )根據我國居民生活用熱水特點,由用水量標準推算出各類型水用戶用水高峰期的衛生器具使用概率; ( 3 )編制計算機程序,計算不同使用概率情況下,給水當量與熱水設計秒流量的關系表; ( 4 )建立熱水設計秒流量q _ g和給水當量n與使用概率p之間的相關關系; ( 5 )繪制《建築給水排水設計規范》中有關熱水設計秒流量計算方法的計算用圖表。The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules
本文基於隴南電網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件,計算出了計入線路充電無功及投入成縣變低壓並聯電抗器后的潮流分佈,在設定甘肅大網側及碧口電廠側母線電壓恆定條件下,計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv母線電壓水平。In this thesis, based on a digital signal processor tms320f240, a controller for pmsm is researched an designed. we analyzes the mathematics model of pmsm, researchs vector control of pmsm and space vector pwm, discusses the controller of position, speed and current, designs the mrfas position controller, pid speed controller and pid current controller, sets up pmsm ac servo control system, designs dsp controller, and develop the corresponding sofeware. at last, the designed controller is simulated under matlab / simulink, and the results are gived
分析了水磁同步電機的數學模型,研究了永磁同步電機的矢量控制方法和空間矢量脈寬調制原理,討論了位置環、速度環和電流環的控制方法,設計了模型參考模糊自適應位置控制器、 pi速度器和pi電流控制器,組建了永磁同步電機交流伺服控制系統,設計dsp控制器,並開發了相應的軟體。最後在matlab simulink環境下對系統進行了動態模擬,並給出了模擬結果。Using processed march cylinder, tapered circular mould, u - shaped instrument, l - shaped concrete fluidity instrument and some other testing instruments, and after research and study to physical and chemical property of various raw material. systematic tests have been carried out in respect of consistency between cement and additive, concrete fluidity, concrete filling - up - space and penetration capability and concrete anti - segregation property, basing on prudent and careful analysis to results of 34 - time tests a nd more than 500 data, and with utilization of combined additive, we finally conclude the proper mix design range for the self - densifying high performance concrete with ideal working performance at all respects
通過加工的march筒、截錐形圓模、 u型儀、 l型混凝土流動儀等實驗儀器以及對各種原材料的物理及化學性能展開詳盡的調查研究,進行了多種材料下的水泥與外加劑相容性、混凝土的流動性、混凝土的填充性和鋼筋通過性、混凝土的抗離析性等系統試驗,在對34組試驗、 500多個數據的詳細認真分析的基礎上,利用復合后的外加劑,得出各項工作性能均較佳的自密實混凝土所用原材料比例范圍。The invention is characteristic of the process of manufacturing hot water, in which water in multi - stage recirculating water - heating tank for collector and / or multi - stage confluent water - heating tank, as a whole or separately, can be heated by solar energy collector, or a heat pump, or an electrical heater
其特徵在於,熱水製作過程可以是經太陽能集熱器、或熱泵、或電加熱裝置同時或分別對分級加熱式集熱器循環加熱水箱、分級加熱式匯流熱水箱中的水進行分級加熱的組合,並且,熱水的製作與熱水的使用採用分時制,即經周期性分級加熱所制得的定量的熱水預先製作后儲存在分級加熱式匯流熱水箱及儲能水箱中用作下一個周期的分時熱水供應。Chaotic switching signal obtained from chua ' s circuit was used to control buck dc / dc converter. by compared the power spectrum of input current between chaotic modulations and classical pwm, it demonstrate that chaotic switching modulations have good effect on spreading power spectrum, which can be used to reduce the level of emi and to improve emc of smps
通過對四種混沌調制模式下變換器輸入電流與周期pwm模式下輸入電流頻譜的分析比較表明,混沌調制技術在擴展頻譜方面有良好的效果,可以用於降低開關模式電源的電磁干擾( emi )水平,改善電磁兼容性( emc ) 。分享友人