電弧不穩定性 的英文怎麼說
中文拼音 [diànhúbùwěndìngxìng]
電弧不穩定性
英文
arc instability- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 弧 : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
- 不 : 名詞[書面語] (剁物所用的木墩) a block of wood
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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Specially for welding of thin and mid - thickness steel ; suitable for mag co2 welding of low carbon steel and low alloy steel inner wire feeder structure ; zx5 series thyristor dc arc welder ac arc welder with single phase moveable coil for sma mma welding ; suitable for welding low carbon steel, low alloy steel ; suitable for welding mid - thickness steel
可用於所有牌號焊條的直接手工電弧焊接引弧容易,無須用戶調節可遠距離調節焊接電流,便於焊工操作焊機動特性好,性能柔和,電弧穩定焊接熔池平靜,飛濺小,不咬邊,焊縫成形美觀。The material of electro - fused magnesia sinter is selected from special grade a natural magnesite or high - purity caustic calcined magnesite, which is fused in arc furnace to finish the products. the products possess high purity, crystal with and compact texture, have high heat - vibration steady and cinder corrosion resistant, it is used for making high quality magnesite bricks, magnesia - carbon bricks
電熔鎂砂是用精選的特a級天然菱鎂石,在電弧爐中熔融制得,該產品具有純度高,結晶緻密,抗渣性強熱震穩定性好,是製作高檔鎂磚,鎂碳磚及不定形耐火材料的重要原料。The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced
本文採用與時間有關的線性微擾理論,分別討論了旋轉氣流、縱向氣流的作用,以及它們共同的作用下電弧螺旋不穩定性的特徵。The dcep mig has the characteristic of deeper penetration which can reduce defective fusion and good arc stabilization. the dcen mig has the characteristic of shallow penetration of welding seam, and the welding wire has a high melting speed. so the variable polarity pulsed mig is a new technology for the welding of aluminium alloy sheet
變極性脈沖mig焊是一種新的焊接工藝方法,其綜合了dcep脈沖mig焊熔深較大、可以減少焊縫的熔合不良、電弧穩定性好和dcenmig焊焊縫熔深淺、焊絲熔化速度較快的特點,減小了焊縫的熔深,增加了焊絲的熔化速度,是一種適合於薄板鋁合金焊接的新方法。It has been proved by test results that this protective method is suitable not only for neutral point insulated system, but also for neutral point grounded system through arc suppression coil
實驗結果表明:該保護原理不僅適用於中性點絕緣的供電系統,而且適用於中性點經消弧線圈接地的供電系統,提高了選擇性漏電的動作可靠性,保證了動作值的穩定性。The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen
對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定Solution of instability of water arcjet has important significance to its development and application
解決水電弧加熱發動機的不穩定性,對於水電弧加熱發動機的發展和應用具有重要意義。分享友人