The influence of primary flow and secondary nozzle geometry on ejector effect and thrust was investigated, and the approach to increase thrust of rocket ejector was found gradually.
研究了一次流参数和二次喷管结构对引射效能和发动机推力的影响，找到了逐步提高推力的措施。
Ejector with many significant advantages such as energy-saving effect of a good, simple structure, low cost, convenient for operation and maintenance, are widely used in various industrial fields.
喷射器具有节能效果好、结构简单、造价低廉、操作维修方便等显著优点，广泛应用于各工业领域。
The operation characteristics and the energy-saving based importance of water steam ejector was analyzed, the effect of the ejector in practical use was presented.
分析了此类喷射器的工作特点和节能意义，介绍了此类喷射器在实际中的使用情况。
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