航空发动机测试数据准确度和可靠性保证  

On Ensuring the Accuracy and Reliability of Aeroengine Test Data

作　　者：王亮 孙颖 WANG Liang;SUN Ying(AECC Shenyang Engine Research Institute,Shenyang 110015,China;Shenyang Area 2nd Military Representative Room of Air Force Equipment Department,Shenyang 110042,China)

机构地区：[1]中国航发沈阳发动机研究所,沈阳110015 [2]空军装备部驻沈阳地区第二军事代表室,沈阳110042

出　　处：《航空发动机》2023年第5期64-77,共14页Aeroengine

基　　金：航空动力基础研究项目资助。

摘　　要：测试数据质量对航空发动机试验至关重要。为了保证航空发动机测试数据准确可靠,需要深入研究测试数据准确可靠的各种影响因素及其保证方法。通过对航空发动机试验测试领域的相关标准和文献进行梳理和研究,结合实际工作经验总结,构建了保证航空发动机测试数据准确可靠的技术框架。简要描述了测量过程设计的基本流程和准则,强调了完整的测量要求和清晰的测量过程定义的重要性,重点通过实例描述了测量影响因素分析以及不确定度评定技术在航空发动机试验测试中的应用,探讨了测量风险分析、可靠性技术及其在符合性测试中的应用,并提出了保证航空发动机测试数据准确可靠的主要方法。为相关专业人员在保证航空发动机测试数据准确可靠的方法论和实际操作层面提供参考。The quality of test data is crucial for aeroengine testing.In order to ensure the accuracy and reliability of aeroengine test data,it is necessary to conduct in-depth research on various influencing factors and assurance methods to achieve the goal.By reviewing and researching relevant standards and literature,combined with practical working experiences in the field of aeroengine testing,a technical framework is constructed for ensuring the accuracy and reliability of aeroengine test data.This paper briefly depicts the basic procedures and criteria of measurement process design,emphasizes the importance of complete measurement requirements and a clearly defined measurement process,emphatically describes the application of measurement influencing factors analysis and uncertainty evaluation technology in aeroengine testing through examples,discusses measurement risk analysis,reliability technology and their application in conformance testing,and puts forward main methods for ensuring the accuracy and reliability of aeroengine test data.It can serve as a useful reference in the aspects of methodology and practical operation for relevant professionals.

关 键 词：测试数据 测量过程 准确度 可靠性 不确定度 风险分析 航空发动机 

分 类 号：V241.1[航空宇航科学与技术—飞行器设计]