PREDICTION METHOD OF REFLECTANCE AND SELECTION METHOD OF OPTIMUM MATERIAL

• Main Author: YOSHIO SATOSHI
• Format: Patent
• Language: English; Japanese
• Published: 09.05.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

To provide a prediction method of reflectance capable of predicting the reflectance of dispersion in which particles are dispersed in a medium.SOLUTION: The prediction method of reflectance of dispersion of dispersed particles includes steps of: a parameter setting step of setting calculation parameters including the dielectric function of the particles, environmental permittivity, and the particle size of the particles: a calculation step of calculating angle dependence of scattering intensity according to the Mie scattering theory using the calculation parameters; a backscatter ratio calculation step of calculating the backscatter fraction, which is the percentage of backscatter in the total scatter from the results of the angular dependence of the scattering intensity obtained in the calculation step; a scattering cross-section calculation step of finding the scattering cross-section using the calculation parameters; and a reflectance calculation step of calculating the reflectance using the scattering cross-section and the backscattering fraction.SELECTED DRAWING: Figure 1 【課題】粒子を媒体中に分散させた分散物の反射率を予測できる反射率の予測方法を提供する【解決手段】粒子を分散させた分散物の反射率の予測方法であって、前記粒子の誘電関数、環境の誘電率、および前記粒子の粒径を含む計算用パラメータを設定するパラメータ設定工程と、前記計算用パラメータを用いて、Ｍｉｅ散乱理論により散乱強度の角度依存性を計算する計算工程と、前記計算工程で求めた散乱強度の角度依存性の結果から、全散乱の内の後方散乱の割合である後方散乱割合を算出する後方散乱割合算出工程と、前記計算用パラメータを用いて、散乱断面積を求める散乱断面積算出工程と、前記散乱断面積、および前記後方散乱割合を用いて反射率を算出する反射率算出工程と、を有する反射率の予測方法を提供する。【選択図】図１