液力旋壓 的英文怎麼說
中文拼音 [yèlìxuányā]
液力旋壓
英文
hydro-spinning-
Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。But for real microfiltration, the distribution of shear stress on the membrane of the module with outside helical flow would have benefit to make smaller number of particles deposit on the membrane. ( 2 ) by means of orthogonal test and regression method, four new models, trans - membrane pressure model, flux model, trans - module pressure drop model, and efficiency model, were established, which roundly describe the performance of outside helical mf by depicting the flux, energy loss, and handling capacity simultaneously
( 2 )採用正交回歸實驗,在無顆粒沉積的理想情況下,建立基於層流數值解的膜器跨膜壓力損失模型、過濾通量模型、過膜器的壓力損失模型和膜器過濾效率模型,首次從通量、能量損失及膜器對料液的處理能力等三個方面,更全面地對外旋流方式下的微濾過程進行了描述。We are mainly engaged in designing, manufacturing and selling various single stage water pumps, stainless steel chemical engineering pumps, hot oil water pumps, vertical horizontal multistage pumps, horizontal split casing pumps as well as fire fighting, water supply packages
其中組合式自吸泵進出口多方位聯接泵新型立式多級泵新型結構多級泵獲得國家專利, 600汽車助力泵被列為國家技術創新項目av新型立式多級泵被評為省高新技術產品t101 t102液壓組合單元dsp雙頭螺旋泵被列為國家級新產品。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。According to the work principle, mechanical model theory and simulation analysis of the hydraulic control valve of the drilling tool, the optimal design parameters of the angle of center of circle of the high pressure hole of upside valve are proposed ; the influence of the charging and discharging lag times on palm supporting capacity is discussed ; and the theoretic basis of designing the control valve of the drilling tool is put forward in the paper
通過對調制式旋轉導向鉆井工具液壓盤閥機構的工作原理、力學模型的理論和模擬分析,給出了上盤閥高壓孔圓心角的最優設計參數;討論了充液、泄液滯后時間對巴掌支撐力的影響,提出了調制式旋轉導向鉆井工具控制閥機械設計和控制的理論依據。To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比,減小液滴直徑有利於縮短乾燥脫水時間,可有效降低乾燥塔的高度;由於旋流式組合壓力噴嘴霧化滴徑的減小,脫水速度明顯加快,在不影響乾燥物料性質的前提下,適當提高進風溫度,同時有效地降低排氣溫度,有利於提高幹燥塔的蒸發強度,也有利於提高幹燥設備的平均能源利用率。The centrifugal force, gravity force and centripetal buoyancy teceived by sand and liquid are different for the density difference between sand and liquid
除砂旋流器的進料壓力需根據砂粒的粒度分佈,固液體之間的密度差異等來確定。The hydraulic force measuring devices are exclusively intended for measuring static chucking force at rotating chucks
液壓測力儀是專為測量旋轉卡盤中靜態夾緊力設計的。( 2 ) base on the analysis of the atomizing principles of spray nozzle, mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure, liquid quantity, temperature, spraying angle, inject distance, particle diameter and distribution, hollow diameter for several materials in normal conditions by experiment and ldv
( 2 )對旋流式組合壓力噴嘴噴射霧化機理加以分析,建立了旋流式噴嘴霧化的數學模型,採用冷態試驗法並藉助激光霧滴測試等實驗裝置對噴嘴的霧化參數(如霧化壓力、噴液量、料液溫度、霧化角、霧距、霧滴直徑和分佈以及噴嘴的空芯半徑等)進行測量和計算。Static pressure rating methods of square head fluid power cylinders
方頭液壓傳動缸的靜態壓力旋轉法Transport and handling of liquid chemical products and hydrocarbons. half symetric coupling guillemin system with rotating lock - nominal pressure 16
液態化學製品和帶旋轉鎖固額定壓力1的烴類對稱半接頭Rotodynamic pumps - hydraulic perforamnce acceptance tests - grades and 2
旋轉動力泵.液壓性能驗收試驗. 1級和2級Rotodynamic pumps - hydraulic performance acceptance tests - grades 1 and 2
旋轉動力泵.液壓性能驗收試驗. 1級和2級( 4 ) the droplets diameter of the combined spin - flow pressure spray drying are between 30um and 150um and the ranges of the droplets are narrow. the average diameter of the droplets is between 50 um and 100 um and the spraying angle can be adjusted from 30 to 180
( 4 )採用旋流式組合壓力噴嘴霧化后的液滴直徑大都分佈在30 150um之間,霧滴分佈范圍較窄,其霧化的平均液滴直徑在50 100um左右,壓力噴嘴的霧化角度可在150 180范圍內。In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles
本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況,並分析了現有噴霧乾燥裝置設計方面的優缺點,運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識,綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等,提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究,其主要內容包括: ( 1 )本文創造性地設計出旋流式組合壓力噴嘴的基本結構,並通過對料液的物化特性研究分析以及顆粒度的分佈要求,給出了噴嘴的不同結構設計參數。1 rotodynamic pumps - hydraulic performance acceptance tests - grades 1 and 2 erratum 1
旋轉動力泵.液壓性能驗收試驗. 1級和2級Iso 9906 : rotodynamic pumps - hydraulic performance acceptance test - grades 1 and 2 iso 9906 : 1999 ; german version en iso 9906 : 1999
旋轉式動力泵.液壓性能驗收試驗.等級1和2Fluid power - rod end plain eyes - dimensions, requirements
液壓動力.旋轉頭.尺寸要求Hydraulic fluid power. rotary shaft lip type seals. dimensions and characteristics of housing and shaft
液壓流體動力.旋轉軸唇形密封件.汽缸和軸的尺寸和特性分享友人