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Off-Design Behavior Analysis and Operating Curve Design of Marine Intercooled Gas Turbine

机译：船用中冷燃气轮机的设计外行为分析与运行曲线设计

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摘要

The intercooled gas turbine obtained by adopting an indirect heat exchanger into an existing gas turbine is one of the candidates for developing high-power marine power units. To simplify such a strong coupled nonlinear system reasonably, the feasibility and availability of qualifying equivalent effectiveness as the only parameter to evaluate the intercooler behavior are investigated. Regarding equivalent effectiveness as an additional degree of freedom, the steady state model of a marine intercooled gas turbine is developed and its off-design performance is analyzed. With comprehensive considerations given to various phase missions of ships, operational flexibility, mechanical constraints, and thermal constraints, the operating curve of the intercooled gas turbine is optimized based on graphical method in three-dimensional performance space. The resulting operating curve revealed that the control strategy at the steady state conditions for the intercooled gas turbine should be variable cycle control. The necessity of integration optimization design for gas turbine and intercooler is indicated and the modeling and analysis method developed in this paper should be beneficial to it.
机译：通过在现有的燃气轮机中采用间接热交换器而获得的中冷燃气轮机是开发大功率船用动力装置的候选之一。为了合理地简化这种强耦合的非线性系统，研究了等效等效有效性作为评估中冷器性能的唯一参数的可行性和可用性。将等效效力作为附加自由度，开发了船用中冷燃气轮机的稳态模型，并分析了其非设计性能。综合考虑船舶各阶段任务，操作灵活性，机械约束和热约束，在三维性能空间中基于图形方法优化了中冷燃气轮机的运行曲线。由此产生的运行曲线表明，中冷燃气轮机在稳态条件下的控制策略应为可变循环控制。指出了燃气轮机和中冷器集成优化设计的必要性，本文提出的建模和分析方法应对此有益。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第6期|8325040.1-8325040.14|共14页
  • 作者

    Ji Nian-kun; Li Shu-ying; Wang Zhi-tao; Zhao Ning-bo;

  • 作者单位

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

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