直噴管 的英文怎麼說
中文拼音 [zhípēnguǎn]
直噴管
英文
straight nozzle-
In our country, sprinkler systems always adopt ramiform arrangements. because its ' security and reliability is low, it ' s necessary to study on ringed arrangements and hydraulic calculation of the sprinkler systems
在我國,自動噴水滅火系統管網一直採用枝狀布置,安全性與可靠性低,曾出現火災發生后自噴系統不能有效滅火的現象。Scramjet nozzle was installed at the exit of the combustor
尾噴管直接安裝在模型發動機的燃燒室出口。A three layers thruster was designed. the middle layer was chamber, the top layer was ignition circuit and the bottom layer contained a diaphragm with several nozzles. it could integrate 4 micro - thruster which diameter was 0. 8mm on the diaphragm with 10 * 10 * 2mm
在實驗中,設計了三層的推力器結構,中間為藥室,上層和下層為點火電路和帶噴管的蓋片,可以在10 10mm和2mm厚的板上集成了4個直徑為0 . 8mm的微推力器。Helicopter application business : supplies fire - fighting systems, spray systems, forest management products, environmental products
直升機業務:消防、噴灑、森林管理和環保。This result was the first direct experimental evidence that material could travel from planet to planet without being thermally sterilized at any point from ejection to landing
盡管也有例外,但此結果是第一個實驗證據,直接證明物質在行星之間的旅行,從噴發到落地,全程都能夠免受高溫殺菌。Based on the comprehensive analyses of the various solutions in rarefied gas dynamics and the fact in this research, the modeling and calculation for the flow in micro nozzle are carried out by using the direct simulation monte - carlo method, and the analysis of internal flow variations under some different working conditions are performed
在綜合考慮了稀薄氣體動力學問題各種解法和本課題實際研究的基礎上,本文採用直接模擬蒙特卡羅方法( dsmc )對微噴管內流場進行建模和計算,並分析了各種工況下的內流場變化。At hot end of beat pipe, several measures were taken to eliminate heat, namely ( 1 ) traditional sensible heat elimination ; ( 2 ) exhaust air is processed by air washer, then passes through hot end ; ( 3 ) exhaust air is handled by wet film, then passes through hot end ; ( 4 ) sprays water at the top of hot end, respectively
第一級採用熱管式間接蒸發冷卻器,熱端布置4種散熱方式: ( 1 )傳統類型的顯熱散熱; ( 2 )排風經過噴水室降溫后進入熱端; ( 3 )排風經過填料式直接蒸發冷卻器降溫后進入熱端; ( 4 )直接在熱端頂部淋水。Based on the analysis of regime of spray and heat transfer, the spray nozzles were redesigned to distribute liquid in the center area of th e tower and the gas inlet was enlarged to raise gas velocity
根據對順流式空塔的噴淋及傳熱模式的分析,重新設計了噴嘴,使噴淋液在設備中心附近集中;縮小了進氣管直徑,以提高進口氣體的流速。Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system, a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis, and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented
摘要在分析了固定式噴灌系統的管網投資、年運行費用與管徑函數關系的基礎上,利用工程經濟分析中費用最小化準則和非線性規劃理論,建立了求解噴灌系統管網經濟管徑的數學模型,並給出了無約束條件直接求解經濟管徑的計算式。The pick - up tube is one of the most important overflowing parts, and its design result will directly influent the efficiency of the roto - jet pump
集流管是旋噴泵的重要的過流部件,它的設計的好壞直接影響到旋噴泵的效率。The shape of the pick - up ' s inlet influence the internal pressure much. another part of this paper is numerical simulation of the flow in the rotating case
集流管在轉子腔中是靜止的,其對轉子腔內流動的影響直接關繫到旋噴泵的水力性能。It ' s a product of high frequency tube welding unit with high efficiency and low energy consumption
150型電弧噴塗機是我公司針對直縫高頻焊管機組研製開發的高效率、低能耗新一代產品。There are basically three components in experimental installation of a high voltage supplier, a capillary tube with a pipette or needle of small diameter and a metal collecting screen
電紡絲技術的基本裝置由高壓直流電源、帶有細小噴絲頭的樣品管和收集板三部分組成。It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed
結果表明:在一定的床層結構和操作條件下,超細粉可以在導向管噴動床中實現平穩流化,從而為改善超細粉的流化質量提供了一種有效的新方法;固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比;氣體則基本上不存在「旁路」現象;環隙區中的顆粒流動表現為一移動床特徵。The conclusions are drawn as following : 1. regularity of fabrication in aluminum matrix composite ring - shaped performs with large dimensions and effects of parameters were investigated, based on the novel crucible movable spray deposition technology and equipment. the optimal parameters are that the diameter of the delivery tube is 3. 8mm, spray gas pressure is 0. 8mpa, spray height is 200mm, and transferring pressure of sic is 0. 5mpa
通過系統的實驗研究得到如下結論: 1 .基於新型的移動坩堝自動化控制噴射沉積環坯制備技術及裝置,研究了大尺寸鋁基復合材料環坯的制備規律,討論了噴射沉積工藝參數對沉積坯形成過程的影響,得到了最佳工藝參數:導流管直徑d = 3 . 8mm ,霧化氣體壓力p = 0 . 8mpa ,噴射高度h = 200mm , sic顆粒輸送壓力p送= 0 . 5mpa 。Abstract : through the study of inlet manifold of truck direct injection diesel engines, we studied the fundamental law of the utilization of gasdynamic effect in the inlet manifold to increase the volumetric efficiency in multi - cylinder engines
文摘:本文通過對車用直噴式柴油機進氣管的試驗研究,探討了在多缸柴油機中利用進氣管內的動力效應以提高充氣效率的基本規律。The optimal parameters of making high silicon content aluminum alloys is : spray height is 220 - 230mm, spray angle is 30 ? the scanning velocity of atomizer is 30mm / s, the original offset of the substrate is 30mm, rotation velocity of the substrate is 120rpm, spray gas pressure is l. ompa, the diameter of the delivery tube is 3. 6mm, the drawing velocity of the substrate will be adjusted on - line with a plc on the basis of the spray
通過對多層噴射沉積原理及工藝參數的研究,得出制備al - 22si - 3cu - 1mg合金的最佳工藝參數為:噴射高度為220mm - 230mm ,基底轉速為120rpm ,霧化器掃描速度為30mm / s ,基底下降轉速依據噴射情況由智能控制器進行實時調整,噴射角度為30 ,初始偏心距為30mm ,導流管直徑為3 . 6mm ,霧化氣壓為1 . 0mpa 。The result is directive to optimize parameters and understand the concept of hylte nozzles, also is one of few references including the repo rt of dsmc ( direction simulation monte carlo ) program belonging to & used by trw company of america
這些結果對于優化hylte噴管的參數設計和加強hylte噴管的概念理解都具有指導性的意義。也是包括美國trw公司的直接模擬蒙特卡羅( dsmc )文獻報道在內的極少數模擬結果之一。Plastics piping and ducting systems - injection - moulded thermoplastics fittings - methods for visually assessing the effects of heating
塑料管和管道系統.噴射鑄造熱塑配件.熱效應直觀評估法分享友人