primary jet 中文意思是什麼
primary jet
解釋
啟動用的噴口-
Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed
分析了「拉」模型單作動器模式下，微射流作動器的入射角度、驅動頻率、速度幅值及與主射流間的距離對主射流偏轉程度的影響，並確定了作動器工作參數的最佳范圍;分析了「拉」模型雙作動器模式下，不同的相位差對主流偏轉程度的影響。 -
These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler
針對宏偉熱電廠410t / h燃煤鍋爐嚴重結渣問題，對燃煤的結渣性、爐內溫度工況及空氣動力工況等進行實驗研究，由於燃燒器結構和假想切圓選擇的缺陷，使得鍋爐在正常運行時，一、二次風剛性較差，實際切圓過大，加上目前燃用煤質屬于極易燃、易結渣煤質，致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火，並沖刷水冷壁，最終造成爐膛結渣。 -
The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage
本實驗建立了一套降膜真空蒸發裝置，以水為介質，對變工況下單級和串聯噴射熱泵蒸發進行了實驗，結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節，達到了變工況下正常生產的目的。 -
Especially the secondary vortex is also captured. 4. vectoring of a primary jet with a single or two adjacent microjets in a pull mode was numerically investigated
在三維數值模擬中還捕捉到了二次渦，這為以後進一步研究微射流旋渦對的細微結構打下了良好的基礎。 -
A simple model for primary breakup of energetic liquid jets was established using unstable wave theory. based on the jet - embedding method, the jet - core shape, the distribution of jet velocity and the primary distribution of liquid drops were computed
使用不穩定波理論，建立了射流初始破碎的簡化模型，採用射流嵌入法（ je ）進行了數值計算，得到了hy911射流核形狀、速度分佈以及液滴尺寸的初始分佈。 -
A model in which second atomization and collision among droplets was considered, for the droplet size distribution of energetic liquid jet was established on the basis of primary breakup model
在此基礎上，考慮二次霧化以及液滴之間的碰撞，建立了含能液體噴霧場液滴尺寸分佈的數學模型，並進行了數值模擬。 -
And the technology can also control the vector of a primary jet, the ratio of momentum between the synthetic jet and the primary jet is a main influence factor, and the vectoring control of primary jet is also effected deeply by the position and the frequency of actuators
應用合成射流技術可以有效控制宏觀低速流流動方向，其控制強度由宏國防科學技術大學研究生院學位論文觀流動與合成射流的動量比決定，而合成射流激勵器的工作頻率以其布置位置對主流的控制效果影響很大。 -
These measures are as follows : shorten the primary wind intervals to improve thermal load of the burner ; reduce the size of hypothetical circle of contact to prevent the flame from splashing ; use nozzles with larger height / width ratio to increase the effusive rigidity, so as to increase the jet flow depth of secondary wind into the main jet flow ; use a higher primary wind velocity to increase its jet flow rigidity ; use a special flame holder structure of the primary nozzle, so as to improve
這些技術措施主要有:縮小一次風間距以提高燃燒器區域熱負荷;縮小假想切圓防止火焰刷墻;採用高寬比較大的二次風噴口以增加射流剛性，提高二次風射流進入主射流的深度;採用較高的一次風速來提高一次風射流剛性;一次風噴口採用特殊穩燃結構;提高下二次風的托粉能力。 -
After conversion these primary energy sources deliver roughly 300, 000 petajoules of so - called final energy to customers in the form of electricity, gasoline, heating oil, jet fuel, and so on
這些初級燃料在轉換之後，產生約30萬拍焦耳的最後能源，以電力、汽油、燃油、噴射燃料等形式，供應給使用者。
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