ULTRAFAST RADIATIVE HEAT TRANSFER IN THREE-DIMENSIONAL HIGHLY-SCATTERING MEDIA SUBJECTED TO PULSE TRAIN IRRADIATION

被引：21
|
作者：
Akamatsu, Masato [1 ,2 ]
Guo, Zhixiong [1 ]
机构：
[1] Rutgers State Univ, Dept Mech & Aerosp Engn, Piscataway, NJ 08854 USA
[2] Yamagata Univ, Grad Sch Sci & Engn, Yamagata 990, Japan
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2011年 / 59卷 / 09期
基金：
日本学术振兴会;
关键词：
MONTE-CARLO-SIMULATION; PARTICIPATING MEDIUM; LASER TRANSPORT; ELEMENT METHOD; TISSUES; EQUATION;
D O I：
10.1080/10407782.2011.572751
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Transient radiative transfer in highly-scattering media subjected to time-dependent pulse train heating conditions is scrutinized. A basic problem in which a cube is exposed to a unit step irradiation is first solved via the transient discrete-ordinates method, and the influences of the spatial grid and time step are examined. The temporal solutions for the basic problem are then used for constructing the responses of the same cube subjected to the irradiation of pulse trains via the superposition method. The effects of the pulse width and time interval between the pulses are studied. The characteristics of pulse train irradiation are revealed. The present approach is simple because only one basic solution is needed to construct the solutions for various problems with different pulse widths and/or pulse intervals.
引用
收藏
页码：653 / 671
页数：19
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