During the ground test of solid rocket motors, after the reversal nozzles are opened, the shock wave enters the primary nozzle. This phenomenon makes tested data processing difficult.
带反喷管固体火箭发动机地面实验时，在其反向喷管打开后，激波进入主喷管情况下，会给数据处理带来困难。
The key of the well test design for productivity is to design reasonable nozzle in order to obtain steady and reliable productivity and pressure data.
产能试井设计中的关键就是设计合适的油嘴，以获得稳定可靠的产量和压力资料。
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。
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