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论文:2020,Vol:38,Issue(1):104-113 |
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引用本文： |
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李乐, 索建秦, 于涵, 郑龙席. 燃气分析系统优化设计及应用研究[J]. 西北工业大学学报 |
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LI Le, SUO Jianqin, YU Han, ZHANG Longxi. Optimal Design and Application of Gas Analysis System[J]. Northwestern polytechnical university |
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| 燃气分析系统优化设计及应用研究 |
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| 李乐, 索建秦, 于涵, 郑龙席 |
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| 西北工业大学 动力与能源学院, 陕西 西安 710072 |
| 摘要: |
| 为了实现高温、高压环境下航空发动机燃烧室出口温度、燃烧效率、污染排放等性能参数的准确测量，对现有的燃气取样及分析系统进行了优化设计，对数据后处理方法进行了修正，并建立了适用于燃烧室出口温度计算的全成分焓值守恒法。基于贫油直接喷射低污染燃烧室对燃气分析系统和数据后处理方法进行了性能评估和应用研究。研究结果表明：优化后的燃气分析系统符合国际民航组织的污染排放测量要求，并且该系统响应时间快、数据有效性高；通过对比燃气分析法和传统测量方法，燃气分析法精度更高、工作范围更宽、稳定性更好，能够准确评估燃烧室出口温度、燃烧效率和污染排放等性能。 |
| 关键词:
燃气分析
取样耙
低污染
燃烧室
焓值守恒法
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| Optimal Design and Application of Gas Analysis System |
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| LI Le, SUO Jianqin, YU Han, ZHANG Longxi |
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| School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| To accurately measure the performance parameters of an aero-engine combustor under high-temperature and high-pressure environment, such as outlet temperature, combustion efficiency and pollutant emission, the optimal design of the existing gas sampling and analysis system was carried out, the data post-processing method was corrected, and the full-component enthalpy conservation method suitable for calculating combustor outlet temperature was established. A lean direct injection and low-pollution combustor was used to evaluate the performance and application of its gas analysis system and its data post-processing method. The investigation results indicate that the optimized gas analysis system meets the International Civil Aviation Organization's pollutant emission measurement requirements and that it has a fast response and a high data quality. The comparison of the measurement results of the gas analysis system with those of the traditional measurement methods shows that the gas analysis system has a more accurate measurement, a wider condition range and a better stability, thus accurately evaluating the outlet temperature, combustion efficiency and emission characteristics of a gas turbine combustor. |
| Key words:
gas analysis
sampling rake
low emission
combustor
enthalpy conservation method
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| 收稿日期: 2019-01-16
修回日期:
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| DOI: 10.1051/jnwpu/20203810104 |
| 基金项目: 国家科技重大专项（2017-Ⅲ-0002-0026）资助 |
| 通讯作者:
Email： |
| 作者简介: 李乐(1991-),西北工业大学博士研究生,主要从事航空发动机燃烧技术研究。
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| 相关功能 |
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| 作者相关文章 |
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| 李乐 在本刊中的所有文章 |
| 索建秦 在本刊中的所有文章 |
| 于涵 在本刊中的所有文章 |
| 郑龙席 在本刊中的所有文章 |
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