水下航行器对转涡轮发动机输出扭矩计算及仿真

王新平; 党建军; 刘成勇

doi:10.11993/j.issn.1673-1948.2016.04.007

水下航行器对转涡轮发动机输出扭矩计算及仿真

doi: 10.11993/j.issn.1673-1948.2016.04.007

西北工业大学航海学院, 陕西西安, 710072

基金项目: 陕西省自然科学基金项目(2014JQ7263)

详细信息

作者简介:
王新平(1986-), 男, 在读博士, 主要研究方向为水下涡轮机技术.

中图分类号: TJ630.34; U674.941; TK471
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- 被引次数: 0
出版历程
- 收稿日期: 2016-06-14
- 修回日期: 2016-07-13
- 刊出日期: 2016-08-20

Theoretical and Simulation Study on Output Torque of Counter-rotating Turbine for Underwater Vehicle

School of Marine Science and Technology, Northwestern Polytechnical University, Xi′an 710072, China

摘要

摘要: 对转涡轮发动机因其在效率、质量、陀螺力矩等方面所具有的优势, 为水下航行器增大航速和航程提供了巨大动力。文中提出了一种水下航行器发动机利用对转涡轮进行工作的新方法。通过分析对转涡轮发动机结构特点, 给出了水下航行器发动机在利用对转涡轮情况下一级涡轮和二级涡轮有效输出扭矩的理论推导; 定义了三速制工况模式, 以中间工况设计喷嘴和一级涡轮参数, 以高工况设计二级涡轮参数; 建立了对转涡轮发动机的仿真模型, 进行了3种工况模式的流场仿真。通过对理论计算值和相关仿真结果进行对比发现, 水下航行器使用对转涡轮代替常规涡轮, 可以大幅减小余速损失, 提高涡轮发动机效率, 证实文中提出的方法正确且可行。
- 水下航行器 /
- 对转涡轮 /
- 发动机 /
- 输出转矩
Abstract: A new parameter design of counter-rotating turbine engine for an underwater vehicle is presented. The structure characteristics of counter-rotating turbine are analyzed to derive mathematical expressions of effective output torque for the first-stage and the second-stage turbines. Three working modes with different velocities are designed for an underwater vehicle. The nozzles and the first-stage turbine are designed based on the medium velocity mode, while the second-stage turbine is designed based on the highest velocity mode. Furthermore, a model of counter-rotating turbine engine is built to simulate the flow fields for the three working conditions. Comparison between the theoretical calculation results and the simulation results indicates that substitution of the counter-rotating turbine for the conventional turbine can reduce the residual velocity loss and improve the efficiency of the turbine engine, suggesting the correctness and feasibility of the proposed method.
- underwater vehicle /
- counter-rotating turbine /
- engine /
- output torque

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参考文献(12)

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