噴嘴射流 的英文怎麼說
中文拼音 [pēnzuǐshèliú]
噴嘴射流
英文
injection stream- 噴 : 噴動詞1. (液體等受壓力而射出) spurt; spout; gush; jet 2. (噴灑) spray; sprinkle
- 嘴 : 名詞1. (口的通稱) mouth 2. (形狀或作用像嘴的東西) anything shaped or functioning like a mouth 3. (指說話) talk; speak
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 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...
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Rail corrugation at high frequency wheel rail interaction
小口徑軸對稱收縮噴嘴射流沖擊大平板噪聲指向特性研究The effect of the height between nozzles and ground plate, the distance between the nozzles, the inlet velocity of the nozzles, and the velocity of the cross flow on the flowfield structure were studied one by one
分別就噴嘴距地面高度、噴嘴間距、噴嘴出口速度、橫向流等,對噴射垂直撞擊平板流場的影響,逐一討論。The experimental study on compositional parameters of the annular multinozzle jet pump
環形多噴嘴射流泵結構參數的實驗研究According to rigorous procedures, an experimental study was carried out to investigate the effects of jet exit velocity, flow direction, fluid subcooling and nozzle diameter on hysteresis of boiling heat transfer with impinging circular submerged jets of highly - wetting liquids
摘要系統地研究了液體在圓形斷面噴嘴浸沒射流作用下沸騰熱滯后與射流沖擊速度大小、液體流動方向、液體過冷度和噴嘴直徑等因素的影響。Low frequency micro - vibration causes the micro - fluid to produce uniform dispersion and injection which carried out a hydrophobization treatment on the inner wall of micro - nozzle, thus eliminated the spontaneous flowing of micro - fluid inside the micro - nozzle due to wet ting effect so as to let the micro - injection be provided with a digitalized and volume controllable character
壓電陶瓷低頻微振動使得微流體產生均勻的離散和噴射;對微噴嘴內壁進行疏水化處理,從而消除微流體由於濕潤作用在微噴嘴內部的自發性流動,使得微噴射具有數字化量可控的特徵。Material is ejected into the crushing chamber by means of high speed ejection flow formed by high - pressure air through charging ejector, and the crushing nozzles outside ejects high - speed airflow into the crushing chamber at certain direction, making the materials severely collided and fractionated, and thus crushed
該機是靠高壓氣體通過加料噴射器所形成的高速射流,使粉碎原料被射入料碎室,粉碎室外圍的粉碎噴嘴,有方向性的向粉碎室噴射高速氣流,使物料間產生激烈的碰撞,磨擦而獲得粉碎。Francis turbine generator set of both vertical and horizontal types are suitable for water head from 10m to 300m. its feature is that the water flow enters the runner inward in a radial direction, changes direction gradually and then passes out axially
水斗式水輪發電機組適用於水頭80 ~ 800米,是利用水流動能沖擊水輪機轉輪旋轉作功,且其噴嘴的射流中心與轉輪在同一平面上。The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other
當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時,剪切層對其有選擇放大作用,形成渦環結構,剪切流動中渦環與碰撞壁撞擊,在碰撞區域產生壓力擾動波並向上游反射,在上游剪切層分離處誘發新的擾動的產生,當新擾動與原擾動匹配時,射流上游就被不斷地受到周期性激勵,腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。The cavitation flow in a nozzle at steady spray of a diesel engine was simulated, and the formation mechanism and distribution of cavitation inside the nozzle were analyzed using mixed multiphase flow model coupled with cavitation model
摘要利用混合多相流體模型加空穴模型的方法,模擬了柴油機孔式噴油嘴穩定噴射時嘴內的空穴流動現象,分析了空穴在噴油嘴內形成機理及其分佈情況。Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part
模擬結果表明,由於原料油射流的影響,提升管反應器內催化劑顆粒的流動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間溫差在噴嘴附近顯著,在中上部氣粒兩相溫度幾乎相等。Using swirl atomizer designed by this paper, kerosene was injected into the ejector combustor, and achieved steady combustion. this made a solid foundation for the future study on combustion organization
設計了旋流式霧化噴嘴,實現了煤油在引射火箭模態中的穩定燃燒,為進一步的燃燒組織研究奠定了基礎。Theory of the self - excited oscillation pulsed jet nozzle
自激振蕩脈沖射流噴嘴的理論分析The circulating air, driven by piezoelectric pump, turns into fluid when it is refigured by a nozzle and jets from the nozzle
壓電泵驅動氣體循環,循環氣體由噴嘴整形后噴出,成為射流。射流以層流的形式運動。3. testing all the hydraulic parameters of the sprinkler installed with adjuster such as working pressure, water flux, the range of the sprinkler, intensity of water drop impact, characteristic of water distribution, etc. according to the testing data, we can learn the quantitative relations among the structure of the adjuster, working pressure, diameter of the nozzle, elevation of sprinkler, wind power, velocity of rotation and the range of water
測試安裝「壓力調節器」后的噴頭的水力性能參數,即工作壓力、流量、射程、水滴的打擊強度、噴灑水分佈特性等。依據所測得的噴頭水力性能參數和射程數據,我們可較清楚的了解「壓力調節器」的結構形式、工作壓力、噴嘴直徑、噴射仰角、風力、旋轉速度和噴頭射程之間的定量關系。However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比,射流管伺服閥的銜鐵組件轉動慣量大,導致力矩馬達部分固有頻率低,從而響應速度慢,此外,射流管供油管柔性大,容易產生自激現象,這些缺點都使得射流管伺服閥的動態特性差,從而影響了它的工作性能。( 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。Every group has 8 hind limbs of 4 dogs. the wounds were rinsed 6h after shooting. jetting flow was 30 ~ 45 ? to inside surface of wound tract and l ~ 2cm above in cim and rb
Cim組、 rb組沖洗時噴嘴與傷道入口表面距離為1 2cm ,沖洗時射流與傷道內側面成30 45角,由上而下依次沖洗, cim組沖洗壓力為0 . 35 0 . 56kg / cm ~ 2 , rb組沖洗壓力由操作者單手擠壓皮球產生。A lot of photographs of atomization field on high pressure jet were obtained by the use of the energetic liquid injection device and laser holographic system, so that the properties of axial and radial droplets size distribution were revealed. the relations of droplet size distribution with injection pressures, nozzle and viscosity were discussed
利用含能液體噴射霧化模擬裝置及其全息攝影系統,得到了多種工況下液體藥射流噴霧場的全息照片,揭示了噴霧場中液滴軸向和徑向分佈規律,分析了噴射壓力、噴嘴形狀、液體粘度等對射流破碎的影響。Study on properties of grinding fluid jet and nozzle position limit during quick - point grinding
快速點磨削磨削液射流特性及噴嘴極限位置研究The research indicates that the orifice jet in mixing conditions has many different points from the pipe jet. focusing on the jet ejected from the orifices of different diameters and lengths, this paper studies the orifice jet when the fluid upstream of the orifices is in mixing conditions. the main purpose is to qualitatively study the effect of orifice diameters and lengths on the spread of the jet
射流是在工程實際中廣泛存在的一種流動現象,噴嘴出口的流動狀態對射流的發展有很大的影響,前人對射流的研究主要集中於噴嘴前流體是完全發展管流的情形,本文研究了全混狀態下的板式射流,研究結果表明全混狀態下的板式射流具有很多不同於管射流的特點。分享友人