Modeling and Simulation of Underwater Propulsion System Based on Hydroreactive Aluminum Metal Fuel
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摘要: 铝基水反应金属燃料动力系统采用高能量密度燃料, 可大幅提高无人水下航行器的航程, 是极具潜力的新型水下能源动力系统。文中分析了铝基水反应金属燃料动力系统工作原理, 建立了全系统的性能计算模型, 提出了该模型的求解方法, 利用模型计算了系统关键节点的热力工作参数, 获得了关键节点的热力工作参数和设备性能参数对系统热效率的影响规律。仿真结果表明, 铝基水反应金属燃料动力系统比锂电池等目前常用的水下能源动力系统具有显著优势, 且通过优化其热力工作参数, 可进一步提高铝基水反应金属燃料动力系统的热效率。Abstract: Hydroreactive aluminum metal fuel can greatly increase the range of an unmanned underwater vehicle due to its high energy density. In this paper, the working principle of the propulsion system is introduced. The system is modeled based on the thermodynamics analysis. An iteration method is proposed for the solution of the model. Using the model, the key thermal parameters of the system are calculated, and their impacts on system performance are analyzed. Simulation results indicate that the proposed system is superior to the existing system powered by lithium battery. In addition, the system heat efficiency can be further improved by optimizing its key thermal parameters.
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