The invention belongs to the technical field of underwater vehicle power, and particularly relates to a water ramjet engine control method based on combustion chamber pressure intensity and water inlet flow coupling. The navigation speed and the static pressure at a main water inlet in the navigation process are monitored in real time, and the real-time corresponding relation between the navigation speed and the static pressure at the water inlet is obtained by calculating the flow state of stamping inflow water in a water supply system, the flow field in an engine and the navigation state of a navigation body; when the deviation between the actual navigational speed and the calculated navigational speed is large, according to the corresponding relation, the pressure regulator is adjusted, the static pressure value of the main water inlet is changed, then the working state of the water ramjet engine is changed, the expected thrust value is obtained, and fine control over the navigational speed is achieved. According to the method, fine control over the navigation speed of the underwater vehicle with the water ramjet engine as power in the navigation process can be achieved, the method has the advantages of being clear in logic, easy to achieve, high in precision and the like, and fine control over the navigation speed of the underwater vehicle in the working process can be improved.
本发明属于水下航行器动力技术领域,具体涉及一种基于燃烧室压强与进水流量耦合的水冲压发动机控制方法。本发明通过对航行过程中的航行速度与主进水口处的静压进行实时监测,通过对供水系统中的冲压进水流动状态与发动机内流场以及航行体航行状态进行计算,得到航速与进水口静压的实时对应关系;当实际航速与计算航速偏差较大时,根据对应关系,调整压力调节器,改变主进水口的静压值,进而改变水冲压发动机的工作状态,得到预期的推力值,实现对航速的精细化控制。本发明能够实现以水冲压发动机作为动力的水下航行体在航行过程中航行速度的精细化控制,具有逻辑清晰,易于实现,精度高等优点,可提高对水下航行器工作过程对航速的精细化控制。
Water ramjet engine control method based on combustion chamber pressure intensity and water inlet flow coupling
一种基于燃烧室压强与进水流量耦合的水冲压发动机控制方法
2023-07-14
Patent
Electronic Resource
Chinese
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