directional emittance meaning in English
定向发射度
Examples
- The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques , main parts and performance indexes of a infrared camera , functional blocks and implementation of infrared processing software , experimental facility and measuring system of the wind tunnel has been made . the model emittance was experimentally determined and the three methods correcting directional emittance were compared . those problems of the infinite - slab model thickness and constant wall heat rates hypothesis , the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis
本文对红外热图测热技术与应用前景、红外热像仪主要部件与性能指标、红外测热数据处理软件功能模块与实现、风洞试验设备与测量系统等进行了论述，测量了模型表面发射率并对发射率随极角变化的三种修正方法进行了对比，对一维热传导分析中模型壁厚半无限假设、壁面热流定常假设、绝热壁温选取等进行了探讨。