Based on experimental data and numerical simulation results, effects of ambient pressure and base bleed on aerospike nozzle base behaviour are investigated.
基于实验数据和数值模拟结果，研究了外界反压和底部二次流对塞式喷管底部的影响。
You squirted foam out of a nozzle and directed it (using the nozzle) at the base of the fire.
这里说的是灭火筒的用法，你把泡沫挤出喷嘴并（用喷嘴）把它引向火的底部。
The numerical simulations of the flow field around and aerospike nozzle cell were completed base on N S equations with Second order NND scheme.
从N S方程出发，采用二阶精度的NND格式对塞式喷管的流场进行了数值模拟。
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