gas flow laser 中文意思是什麼

gas flow laser 解釋
氣兩激光器
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  • laser : n 鐳射激光，受激發射光，激光；萊塞；激光器，光激射器 （ ＝ light amplification by stimulated emis...
  1. At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction

    文中分別採用激光片光源和影視燈照明，採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像；根據氣泡和水對光的反射特性不同，提出採用閾值法識別圖像中的氣泡和水，從而為進一步計算摻氣濃度打下堅實的基礎。
  2. Under high air pressure, a critical problem for the normal discharge is whether enough pre - ionization can be achieved in the laser media or not. however, the cycling pumping oil steam emerging during the flow of the gas mixture and the vapor infiltrating from outside have a strong absorption of the infrared light or a role of counteracting the excitation

    在高氣壓條件下能否正常放電，關鍵問題是主電極間的激光介質能否獲得足夠的預電離；而混合氣流動過程中出現的循環泵油蒸汽，及從外界滲透的水蒸汽等都對紅外光有相當強的吸收作用或消激發作用。
  3. Pda laser flow velocity testing technique was used to measure the flow velocity of solid particles in the solid - liquid - gas three - phase system in a flotation cell and obtained the velocity distribution of solid particles so as to provide reliable data for the study on adsorption and deadsoption mechanism of particles onto and off from bubbles

    採用pda激光流速測試技術，在固-液-氣三相體系中對浮選槽中固體顆粒進行了流速測定，獲得了固體顆粒的速度分佈，為礦粒與氣泡粘附過程和脫附過程機理的研究提供可靠數據。
  4. The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for tea co2 laser

    主電極間正常的輝光放電以及使混合氣快速流動且不被污染是重復頻率teaco _ 2激光器實現高平均功率輸出的重要條件。
  5. Acceptance tests for co2 - laser beam machines for welding and cutting - part 3 : calibration of instruments for measurement of gas flow and pressure

    Co2激光束焊接機和切割機的驗收試驗.第3部分:氣體流量和壓力測量儀的校準
  6. Acceptance tests for co2 - laser beam machines for high quality welding and cutting - calibration of instruments for measurement of gas flow and pressure

    高質量焊接和切割用co2激光束機的驗收試驗.氣體流量和壓力測量儀的校正
  7. Research progress on gas flow - chemical laser theories

    氣流化學激光理論研究的若干進展
  8. In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed

    本文在二維cr （ chamber ? radon ）程序研究的基礎上，採用有限體積方法和完全隱式的耦合演算法，通過求解帶realizablek -兩方程湍流模型的多組分、有反應的三維完全納維埃?斯托克斯（ n ? s ）控制方程，建立了一套能夠對復雜形狀的三維噴管和光腔進行數值模擬的三維程序，解決了連續波df hf化學激光器增益發生器設計缺乏三維數值模擬工具的問題，並用該工具解決了cr程序無法實現的hylte等復雜三維噴管流場的理論模擬問題。
  9. This article has a particular research on three kind of gas / liquid coaxial nozzles for their flow performance and atomization performance under cold - flow - simulated experiment with the supply of laser doppler technology, and the measurement of the drop parameter and combustion performance under normal pressure and burning condition

    本文應用激光多普勒技術對三種氣液同軸模型噴嘴的流量特性和霧化特性進行了冷流模擬實驗研究，並在常壓燃燒條件下對其噴霧流的液滴參數和燃燒性能進行了實驗測量。
  10. High - power laser beam will be aberrated and gas flow field will be thermal bloomed when beam pass through the flow field

    當強激光束通過超音速流場時，會受到流場的干擾，而且流場參數也會由於強激光束的輻射加熱產生變化。
  11. The results show that laser beam far field intensity deflect to the wave length increasing direction about 0. 2m ~ 0. 3m when beam pass through flow field and propagate 1km in static atmosphere. high - power laser beam will have thermal booming effect when it pass through gas flow field

    研究表明由於流場中存在強的激波結構，使得激光束遠場強度分佈向光程增大的方向發生了強的偏折，在光束通過流場在標準大氣中傳播1km后，偏折達到0 . 2m 0 . 3m 。
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