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【精品完整版】气膜冷却实验台设计


气膜冷却实验台设计 学 专 班 学 姓 院 业 级 号 名 指导教师 负责教师 2012 年 6 月 沈阳航空航天大学毕业设计(论文) 摘 要 我院要研制一高温、高流速、大流量气膜冷却综合实验台,它能确保教学的综 合性和设计性需要,兼顾一定的科研实用性,在教学、科研两方面具有可拓展性,,可 用于专业课程的实践教学,改善了实验教学条件,满足了专业教学的需要。该实验 台主流温度常温,次流 100℃,主流速度达到 100 米/秒,学生试验段热流道截面 4× 2.5cm。科研试验段流道截面 20×10cm。缓冲罐收缩段能使气流加速,并使流场保 持良好的品质。目的任务是设计从气源到缓冲罐的冷、热流道,节流实验装置,探 讨如何消音降噪等问题。 关键词:气膜冷却;流道;实验装置;消音降噪 I 沈阳航空航天大学毕业设计(论文) Design of Film cooling experiment platform Abstract The hospital developed a high temperature, high velocity, the flow of gas film cooling experiment platform, it can ensure that teaching and design needs, taking into account the research practicality, and scalability in terms of teaching, research,can be used for the practical teaching of professional courses to improve the conditions of the experimental teaching to meet the needs of professional teaching. The experiment, the mainstream temperature at room temperature, stream 100 ℃, the mainstream speeds of up to 100 m / sec, student test section of hot runner cross section 4 × 2.5cm. Research and test section flow channel cross-section of 20 × 10cm. The buffer tank contraction can accelerate airflow, and flow field to maintain a good quality. The purpose of the task is to design from the gas source to the buffer tank of cold, hot runners, throttle experimental setup to explore the muffler noise reduction and other issues. Key words:Film cooling; flow; experiment device; muffler noise reduction II 沈阳航空航天大学毕业设计(论文) 目 录 1 绪论 ............................

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