| 燃气轮机排气蜗壳流动损失的优化（英文） |
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| 作者姓名： | 王忠义 张泽宇 符昊 张晶 王萌 |
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| 作者单位： | 1. College of Power and Energy Engineering, Harbin Engineering University;2. CSSC Huangpu Wenchong Shipbuilding Company Limited |
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| 基金项目： | Supported by the National Science and Technology Major Project (No. J2019-Ⅲ-0017)； |
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| 摘 要： | The exhaust volute is a device that can change the exhaust direction of the ship’s gas turbine to reduce the flow loss of the high-temperature and high-speed turbine exhaust gas in the box-type exhaust volute, thereby improving its power output performance. This paper first investigates the internal flow field characteristics of the exhaust volute via numerical simulation and reveals the main source of the internal resistance loss of the volute. On the premise of not affecting the installation s...
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