泵的可用壓力 的英文怎麼說
中文拼音 [bèngdekěyòngyālì]
泵的可用壓力
英文
available pump pressure-
Inside engine room frame # 14 # 16 portside, starboard side there is sea chest at each side, they are connected by main sea pipe, the sea water pump of main engine, auxiliary engine, general bilge pump, ballast pump, firefighting pump, condensator cooling water pump, and sea water pressure tank can suck sea water from them
機艙內# 14 # 16左、右舷設有海水閥箱各一個,用海水總管相連,可供主機、輔柴油機的海水泵、艙底總用泵、壓載泵、消防泵、冷凝機組冷卻水泵及海水壓力水櫃吸水。Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義The catena product is in the light of iso international criterion to design and make iso2858, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. to make it possess superduper resist impact and eximious resist causticity, axis - envelop choose advanced outer - install form moire - pipe machine - airproof, airproof of oppositely abrade have silicon nitride chinaware f4 horniness alloy to choose. it has ratio of very high capability and price
本系列產品按國際標準設計製造iso2858 ,泵體採用金屬外殼內襯氟塑料,葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型,使其具有超強的抗沖擊能力又有卓越的耐腐蝕性能,軸封選用先進的外裝式波紋管機械密封,對磨的密封面有:碳化硅陶瓷四氟硬質合金可供選擇。The pressure switch is suitable for almost all liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leakdetection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, aswell as a whole variety of measurement tasks in hydraulics and pneumatics, in machine, equipment and plantconstruction, in process technology and in building technology
壓力開關幾乎適用於所有液體和氣體介質,可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,液位測量過量保護空運行保護,也用於過程技術和建造技術的機器機械和設備製造中的所有液壓和氣壓測量任務。If provided with high pressure pump and water gun, it can make up a hydraulic mechanized earth work unit, used for ground leveling, dredging in rivers and pools, digging, excavation and transportation in small hydraulic engineering, as well as the air defense and underground project in cities
若與高壓水泵,水槍配合,組成水力機械化土方工程機組,就可用作于土地平整,河道與池塘的疏浚、鑿開等小型水力工程的挖方與輸方,以及城市的防空工程,地下工程。The paper begins with the reclaiming and using of the remaining heat during the process of yielding the oil and in the electricity plant to study the application of heat pump ' s technology in the oil field and electricity plant. this paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p - h chart of the mechanism compressive heat pump ; it points out the necessity to design the computer program of refrigeration medium ' s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium ' s thermal character
本文介紹了熱泵的發展、分類,機械壓縮式熱泵的基本原理、評價指標及常用的p - h圖;指出了設計製冷劑的熱力性質計算機程序的必要性,給出計算製冷劑熱力性質的基本方程、計算公式、計算方法及程序框圖,編制了9種常用製冷劑性能參數計算程序,可直接用於熱泵系統cop及per值的計算。The height adjustment for the yardramp become very easy with using of the hand hydraulic pump as dynamic and the exteral electric supply is unnecessary
採用手搖液壓泵作動力,無須外接動力電源,即可輕松實現登車橋高度的調節。9 series pressure cavity is made of stainless steel single unit integration structure by processing so may guarantee for the better seal performance. the characteristic of product are no o - ring, no welded, no silicon oil or other organic, structural durability ; the most apply to pump and compressor, liquid pressure and pneumatic system, go - anywhere vehicle, energy and water processing system, pressure instrument, refrigerating equipment, agricultural machinery device, locomotive braking system
9系列壓力腔採用不銹鋼單件一體式結構加工而成,因而可以保證較好的密封性能, 9系列產品的特點是無o形圈無焊縫無硅油或其它的有機物,經久耐用,主要應用於泵及壓縮機,液壓及氣動系統越野車能源及水處理系統壓力儀表冷凍設備農機設備機車剎車系統。According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。A method based on the application of an injection process analysis software is introduced in this article, which optimize injection process through changing the design of fuel - injection pump cam. a model of 1115 single cylinder direct injection diesel engine is used as an example. with the help of pre - journey optimization, increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable. without changing fuel pump installing size, it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition
本文以國產1115型單缸直噴柴油機為例,介紹一種應用噴油過程分析軟體改進噴油泵凸輪設計的方法,通過增大噴油泵凸輪升程、採用切線函數凸輪並優化預行程的方式,在不改變噴油泵安裝尺寸的前提下,可提高噴油壓力和噴油速率,改善柴油機低速工作穩定性,使噴油系統與柴油機匹配更合理。The injection fuel pump with 2. 5 mm diameter deliver pipe was analyzed and suitable for the power augmentation of tbd604b diesel according to the fuel injection pressure, fuel injection rate and duration of injection
經計算分析p10型噴油泵配用2 . 5mm高壓油管,從噴油壓力、噴油速率、噴油持續期等參數來看,完全可以滿足提高功率后的tbd604b柴油機對燃油系統的要求。A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve
在對射流前置級驅動的伺服閥射流流場數值模擬的基礎上,用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大,製作了透明的偏導射流板,運用高速攝像機、液壓泵站等組成了可視化實驗系統,對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測,並通過對接收管接收壓力的測試,對流場分析結果進行了驗證。With two mechanically controllable switching points, users have a practice - oriented function at their disposal, with which the pressure dependent working points of the pump can be adjusted independently of one another in the simplest manner ; the pump can be controlled directly
作者可以由兩個機械控制的開關點實現定位於實際應用的功能,並通過這種功能用最簡單的方式獨立地調整泵的壓力相關工作點:可以直接地控制泵。Adopting the mode of experiment data processing currently with computer control, the cat system is constructed, and it can contrqj hydraulic pump ' s rev and pressure
本論文所述系統採用兼有測試試驗數據處理和計算機控制功能的微機系統模式來組建cat系統,可對液壓泵轉速和輸出壓力進行控制。The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given
其次在流動無粘性、不可壓及考慮葉片厚度的條件下,依據葉輪內的流動特性,推導了葉輪內三維流動周向平均流動控制方程以及葉片方程;在貼體坐標系中,採用有限差分法求解流動方程和葉片方程;在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下,迭代求解流動控制方程及葉片方程,實現了軸流泵葉輪的準三維方法設計。On the base of the quasi two - stage compression heat pump system with economizer, considering that it can make use of the pressure energy of liquid with high pressure and minish energy losing of the system, ejector is adopted to replace the throttle in the assistant loop, and design the quasi two - stage compression heat pump system coupled with ejector
本課題正是在帶閃發器準二級壓縮熱泵系統的基礎上,考慮到噴射器元件可以有效利用高壓流體壓力能,減小系統能量損失的優點,將其引入系統以替代輔路節流閥,設計出了準二級壓縮?噴射復合熱泵系統。The pressure switch is suitable for almost all liquid and gaseous mediums and is used in vacuum technology pump control, gas technology stock monitoring, leak detection, filter monitoring dirt detection, as well as a whole variety of measurement tasks in hydraulics and pneumatics, in machine, equipment and plant construction, in process technology and in building technology
壓力開關幾乎適用於所有液體和氣體介質,可以用於真空技術氣泵控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,也用於過程技術和建造技術的機器機械和設備製造中的所有液壓和氣壓測量任務。前置式設計使開關能用於高粘稠和結晶介質。The realizing methods for the algorithms are presented also. a hydraulic experiment system is established to simulate the different states of hydraulic system, with a pump, several valves, turbo - flowmeter, pressure gauge, and many hydraulic pipelines of different diameter
利用液壓泵、各種控制閥門、標準表及不同管徑液壓管路構建了一個液壓實驗系統,可實時模擬武器裝備液壓系統的各種工作狀態,為超聲波的壓力、流量測量提供了一實驗平臺。The paper summarizes the development of the control technology of paver ' s vehicle system ; discusses the feasibility of the plc application to vehicle system ; calculates and examines the working resistance and power of the control system as well some concerning parameters of the hydraulic system ; builds the driving system velocity characteristic ; accomplishes the hardware design and the software design according to the functional requirements of vehicle system and the features of plc ; adds the pid compensation to the closed circuit velocity control ; sums up the mathematic model of hydraulic pump - motor system and defines the controller parameters ; in the end, the simple dynamic simulation basing on the control system model and the simulative test are carried out to testify the reasonableness and the feasibility of the designed plc control system
本文總結了攤鋪機行駛控制技術的發展,討論了plc應用於行駛系統的可行性;計算和校驗了控制系統工作阻力、功率及液壓系統有關參數;建立了行駛驅動系統的速度特性;結合行駛系統的功能要求及plc的特點,完成了控制系統的硬體設計和軟體設計;對其速度閉環控制,引入了pid校正環節;歸納了液壓泵?馬達系統的數學模型,確定了控制器的控制參數;最後對控制系統模型進行了簡單的動態模擬和plc模擬試驗,初步證實了控制系統設計的可行性和合理件。分享友人