Research on Reflection Model for Portable Solar Absorption Ratio Measurement System

Based on the integrating sphere method, the algorithm of reflection model for portable measurement system is proposed to reduce the influence of non-ideal integrating reflection model on solar absorption ratio measurement. Integrating sphere reflection model is generated through analysis and experiment of incident light shaping, and the systematic error of non-ideal integrating reflection model is eliminated by correction factor of measurement system. The feasibility and reality of the model is validated by comparison between the result of portable measurement system and the result of the result measured by spectrophotometer, and the measurement accuracy of the portal solar absorption ratio measurement system.