靜壓孔 的英文怎麼說
中文拼音 [jìngyākǒng]
靜壓孔
英文
baroport-
Then this thesis apply iterative computation using fluent software, that means fluent is successfully used in the research of porous aerostatic bearing field for the first time
然後用計算流體力學中的fluent軟體進行迭代計算,成功地將其引入到多孔質靜壓軸承研究領域。People now pay much attention at porous aerostatic bearing which has obviously higher load capacity and better damping characteristic and stability. there are two kinds of porous aerostatic bearing : the whole porous and partial porous
多孔質氣體靜壓軸承能明顯提高軸承的承載能力,具有更優越的阻尼特性和穩定性,故得到廣泛的關注。Si particles porous preforms were prepared by cold isostatic pressing process ( cip ). its average porosity is about 31. 3 %. 3
採用冷等靜壓方法制備出si顆粒多孔預制體,平均孔隙率為31 . 3 。The seven - hole probe ( shp ) is a device which can simultaneously measure the pressure and velocities of the steady flow, especially at large angles
作為一種可以同時獲得流動速度的大小、方向、以及總壓和靜壓的氣動測量裝置,七孔探針能夠被廣泛應用於各種大角度的流動測量。The formation of crannies of the vermiculate reticulate clay results from the stratigraphical pressure and the seasonal fluctuating of the groundwater level. the formation of holes of the rhizomatic reticulate clay results from the decomposition of the botanic roots
蠕蟲狀網紋孔隙空間的產生是由於地層靜壓力和地下水位季節性變化造成的,而根狀網紋的孔隙空間則是植物根系腐爛分解后提供的。Accident case of under water board cast - in - situ pile as well as the analysis of static pressure settlement method
水下鉆孔灌注樁事故實例及靜壓法處理方法分析In this article, the shp measure system based on the hardware of pci - 9114 ( daq ) and coordinator u511 is developed in vc + +. this system is good at getting the pressure data in the space mesh and processing it into velocity, total and static pressures and the field picture
本文通過vc + +開發了數據採集和處理一體化的基於pci - 9114數據採集卡和u511坐標控制器的七孔探針測試系統,該系統能自動採集空間網格點上的壓力數據,然後處理成所需的速度和總靜壓數據,並完成初步的流場繪圖。After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance
由於滑靴的靜壓支承性能較差,因此在推導出簡化通用公式后,提出了計算水靜壓支承結構和性能參數的方法,利用短阻尼孔的節流作用來減小水膜設計厚度,提高支承性能。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法Based on nanometer powders, cajc cvbased oxides were synthesized by constant sintering, cold isostate pressure and hot pressure methods. it can be found that sintering methods have a great influence on thermoelectric performances : the sample synthesized by hot pressure method is most dense and has the best thermoelectric performances. the microstructures and thermoelectric properties of cascog - based oxides doped by four dopants have been investigated
採用不同的后續工藝制備最終的熱電材料,研究不同工藝對熱電性能的影響發現:熱壓燒結制備出的熱電材料最緻密,其熱電性能也最好;先冷等靜壓成型后常壓燒結方法次之;直接常壓燒結法燒出的樣品氣孔最多,性能也最差。The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly , and the experiments variable enthalpy drop in the model cascade can be realized by using out - circled backboard or in - circled backboard which are set on the different distances from the trailing edge of the model cascade
實驗結果表明,適當選擇全環鉆孔擋板不同半徑處的鉆孔率、鉆孔直徑與分佈,可調節靜葉后徑向靜壓分佈,採用外環或內環擋板,並將其分別置於靜葉的近、中、遠下游,可實現靜葉柵的變焓降實驗。Usually the rake body makes the static readings high, and by shortening the tipstatic-orifice distance the error can be eliminated.
一般排管架使靜壓讀數偏高,縮小管端靜壓孔的距離可以消除這個誤差。The film hole extraction has the effect of increasing the static pressure, so the pressure loss characteristics of the passage with film hole extraction is obviously different in comparison with that without extraction ; 5
氣膜孔出流對通道內的靜壓有明顯的提升作用,因此帶肋壁和氣膜孔出流通道的流阻特性與單純帶肋壁通道有明顯差別; 5First of all, the mathematical model and theoretical formula of static characteristic for both whole and partial porous bearings are presented. the solutions are also given
本文首先提出了局部多孔質和全多孔質靜壓徑向軸承理論計算模型,根據氣體在多孔質材料中的流動特性給出了軸承的性能表達式,並進行求解。Such modular function as the high - static pressure spindle box, spring collet chcks of various sizes as well sw more than twenty kinds of front back, left and right tool rests for extrnal cutting, tool post for boing and drilling are available for users to select
本機床有多種功能模塊部件,供用戶選擇使用,如:高精度靜壓主軸箱,氣動和手動彈簧夾頭快速夾緊機構,各種類型的彈簧夾頭,車外圓的前刀架,后刀架,左刀架,右刀架以及鉆孔刀架,鏜孔刀架和冷卻箱件等二十多種。In order to execute this research, the experimental equipment that can fulfill the requirements of the regions of reynolds numbers in mte was built. two new measurement techniques, mini - size static pressure hole and mini - type pressure probe were presented
本文針對微型渦輪發動機流動問題研究的需要,發展了壁面微靜壓孔和微型單管總壓探針測量技術。Study on ultimate bearing capacity of static pressed pile based on excess pore water pressure dissipation
基於超靜孔壓消散的靜壓樁極限承載力研究This paper respectively uses the method of expansion of cavity and fem to analysis the soil compaction effect of anchor jacked pile while sinking, and compares the calculation result of the two methods by combining effect is valuable to the application of engineering
摘要分別用柱形孔擴張法和有限元方法對錨桿靜壓樁沉樁過程中的擠土效應進行了分析,並結合工程實例對兩種方法計算的結果進行了比較,很好地探討了沉樁擠土規律,具有一定的工程實用價值。Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在,本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀作出分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。For example, the silicon is etched anisotropically in the koh solution, the lucent al film is made with the magnetron sputtering system, the pressure hole is drilled by the supersonic stiletto machine and the silicon and the glass are bonded with electrostatic bonding setup
例如, koh溶液對硅的各向異性腐蝕,磁控濺射臺製作光亮的鋁膜,超聲打孔機製作導壓孔,靜電鍵合裝置對硅島膜與玻璃極板的陽極封接等等。分享友人