A new method for transmission of infrared radiation in polydisperse water sprays

Yongcheng Du; Huikai Liu; Li Yang

doi:10.1117/12.2205223

15 October 2015 A new method for transmission of infrared radiation in polydisperse water sprays

Yongcheng Du, Huikai Liu, Li Yang

Proceedings Volume 9671, AOPC 2015: Advances in Laser Technology and Applications; 96711E (2015) https://doi.org/10.1117/12.2205223
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

A numerical method is proposed for the transport of infrared radiation in participating medium. The method is implemented using the Finite Volume Method (FVM) for solving the radiative transfer equation (RTE), and Mie theory for computing the absorption and scattering characteristics of the medium. The advantages of the method reflected in two aspects. On the one hand, the radiative characteristics is got from a data base established in advance using Mie theory, on the other hand, the scattering phase function is simplified by distinguishing the "forward average scattering" and "other directional average scattering". Both the two procedures yield significant computational savings with little loss in accuracy for predictions of spectral and total transmission.

Citation Download Citation

Yongcheng Du, Huikai Liu, and Li Yang "A new method for transmission of infrared radiation in polydisperse water sprays", Proc. SPIE 9671, AOPC 2015: Advances in Laser Technology and Applications, 96711E (15 October 2015); https://doi.org/10.1117/12.2205223

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