液滴直徑 的英文怎麼說
中文拼音 [yèdīzhíjìng]
液滴直徑
英文
bu le diameter-
When the dispersed phase droplet initial diameter was relatively small, the coalescence rate varied sharply as the dispersed phase droplet initial diameter changed, the coalescence effect was dominating with increasing the screw rotation speed and decreasing the output
當液滴初始直徑較小時,其集聚變化率隨著初始直徑的變化而急劇變化;提高螺桿轉速和降低擠出機產量有利於集聚的發生,分散效果較差。The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles
一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。It is of negativ twact on the fonnin of foriihaho if too muc or too liul normal hexanl. the wi of cosurftw has no effed on the uvth absorptio of lermulsion. in the system of 8 : 2 normal heptane : normal hexanl, wphg can form lermulsion unde fferent saponification
在8 : 2的正庚烷正己醇體系中,不同皂化摩的hhophg均能形成微乳液,隨皂化度的增加微乳液的液滴直徑逐漸增大,透射電鏡測試得到類似的結果。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。Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors
諸試驗因素中,充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響;氣體壓力和液體流量對霧滴荷質比的影響均不顯著;影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; ( 8 )在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ,霧滴荷質比先隨充電電壓的增加而增大, 2400v后荷質比減小,推測:對于所研製的噴頭可能存在一個最佳充電電壓; ( 9 )由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果,可看出,較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; ( 10 ) td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合,說明噴孔直徑大於滬3Experiments are conducted in a 5 m long, 60x60 mm cross - section shock tube, liquid drops acted by shock wave undergo deformation, breakup and atomization. based on experiments, the effects of shock velocity and drop diameter on drop breakup time have been discussed
採用ya ? 16高速照相機,詳細研究了液滴在激波作用下變形、剝離、破碎、霧化的全過程,並討論了液滴的破碎模式、激波強度和液滴直徑對液滴破碎時間的影響。The fog is produced by a device ( thermal fogger ) that uses heat to break up the chemical into very small droplets ( usually in 5 - 30 micron diameter range ) which will disperse in the air
熱噴霧是經由一特製裝置(熱噴霧器) ,利用熱力把化學液體化為微細霧滴(直徑通常由5至30微米不等)散播並懸浮於空氣中。The numerical simulation is carried out and the sauter mean diameter and the axial and radial size distribution of droplet of round jets and annular jets were obtained. numerical results are in good agreement with experimental data
針對hy911圓柱形射流和環形射流,計算出霧化液滴sauter平均直徑以及軸向和徑向液滴尺寸分佈,計算結果與實驗數據吻合較好。( 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。Using three - dimensional particle trajectories dispersed droplet diameter at the outlet of screw element during compounding in a co - rotating intermeshing twin - screw extruder was computed
摘要用物料三維流動路徑結合分散模型計算了螺紋元件出口處分散相液滴的直徑,分析了螺桿轉速、擠出機產量和液滴初始直徑對末端分散相液滴直徑的影響。( 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。The variation of the operating condition did not change the distributive range magnitude of the dispersed phase droplet
螺桿轉速和擠出機產量的變化對末端分散相液滴直徑的分佈范圍影響不大。The results showed that when the dispersed phase droplet initial diameter was relatively large, the coalescence rate little varied as the dispersed phase droplet initial diameter changed and increasing the screw rotation speed and decreasing the output could obviously make for the dispersed effect
結果表明,當液滴初始直徑較大時,其集聚變化率隨著初始直徑的變化而變化較小;提高螺桿轉速和降低擠出機產量可以提高螺紋元件的分散效果。The effect of the number of grid, liquid water content ( lwc ), median volumetric diameter ( mvd ) and ice layer time step on ultimate ice shape is analyzed, the aerodynamic characteristics of the iced airfoil is analyzed simply, too
分析了網格數、空氣液態水含量、水滴當量體積直徑和冰層時間步長對模擬冰形的影響,此外還對結冰翼型的氣動特性進行了簡要的分析。In these methods mechanical agitation or high pressure are usually used, which cost too much energy and can ' t get uniform liquid droplets membrane emulsification is one of the best methods to prepare emil1sion
這種方法所需壓力很小,形成的液滴直徑均一,並能形成不同粒徑的乳液,是理想的制乳方法。5. the preparation of o / w type microemulsion of hhophg baffe microcmulsion is primarily approached and researched, through which it is notcd that barva can form microcmulsion
O w型bapta微乳液組裝的初步探討以水為分散劑,成功地制備了o w型bma微乳液,其液滴直徑分佈較窄,液滴大小均勻。When the droplets were in large diameter, the surface morphology would be more rough and heterogeneous. the surface morphology would be porous when the droplets were too small
過大的液滴使薄膜表面不均勻,液滴過小又會使薄膜表面形成孔洞,只有液滴直徑在一定范圍內制備的薄膜才能滿足要求。分享友人