操作期间液体/凝胶火箭发动机性能分析

Minchao Huang (et al.) | 2025 | ISBN: 981976484X | English | 296 pages | True ePUB, PDF | 92 MB

This book takes space propulsion system, gel propulsion system, and pumped liquid rocket engine as research objects and establishes and describes the theory, dynamic model, and numerical calculation method of working process of liquid/gel rocket engine. The first part of this book establishes a mathematical model for the working process of the space propulsion system, including a mathematical model for gas cylinders, an electric explosion valve, a pressure reducing valve, a storage tank, a liquid pipeline, an orifice and filter, an electromagnetic valve, a filling pipeline, and a thrust chamber. The simulation analyzes the characteristics of the start-up, steady-state, and shutdown processes of the space propulsion system. In the second part, the mathematical model of the working process of gel propulsion system is established, and the flow distribution law, water hammer characteristics, and thrust regulation characteristics of gel propulsion system are simulated and analyzed. The third part establishes a mathematical model for the working process of a pumped liquid rocket engine and simulates and analyzes the starting process characteristics of the pumped liquid rocket engine. The above theory or dynamic model reflects the latest research results of the working process of liquid/gel rocket engine. This book is used as a teaching material or reference book for teachers, students, and scientific and technological personnel engaged in the simulation analysis of the working process of liquid/gel rocket engines in the fields of aerospace, aviation, power, etc.

这本书以空间推进系统、凝胶推进系统和泵送液体火箭发动机作为研究对象，建立了并描述了液/凝胶火箭发动机工作过程的理论、动力学模型及数值计算方法。本书第一部分建立了空间推进系统的操作过程数学模型，包括气体容器、电爆炸阀、减压阀、储油罐、液体管道、孔口和滤网、电磁阀、填充管道以及喷嘴的操作过程数学模型。该仿真分析了空间推进系统启动、稳态和停机过程的特点。第二部分建立了凝胶推进系统的操作过程数学模型，模拟并分析了凝胶推进系统的流场分布规律、水锤特性及推力调节特性。第三部分建立了泵送液体火箭发动机的工作过程数学模型，并模拟和分析了泵送液体火箭发动机的启动过程特性。上述理论或动力学模型反映了液/凝胶火箭发动机工作过程的最新研究成果。本书可作为航空航天、航空、电力等领域中对液/凝胶火箭发动机操作过程仿真分析的教学材料或参考书。

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