高温气流总焓测试技术综述

对国内外总焓测试技术方法进行梳理,介绍了多种测焓方法的原理和特点。分析稳态焓探针、热阻式瞬态焓探针、质量注入型焓探针等探针类测焓方法和能量平衡测焓法、光谱测焓法等非探针类测焓方法的优缺点。结合应用实际对这些总焓测试方法的进一步研究提出了建议。

Overview of Total Enthalpy Measurement Technique for High Temperature Flow

By combing total enthalpy measurement technique and methods, the principle and characteristic of various total enthalpy measurement methods are presented. The advantage and disadvantage of these methods are analyzed, which include enthalpy probe technique, such as steady enthalpy probe, transient enthalpy probe, mass injection probe and the other enthalpy measurement methods based on energy balance, and optical diagnostics. And the practical experience is given. Finally, the suggestions how to develop the total enthalpy measurement methods better are given based on the above studies.