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针对激光辐照聚甲醛的烧蚀现象，建立了一种包含升温、相变、热解及热解产物飞散等过程的热-化学耦合模型. 采用无规热解模型描述聚甲醛升温后的热解过程，给出了不同热解率下热解产物的组成. 利用基团贡献法计算烧蚀产物组分的热力学性质，并按照混合法则确定烧蚀产物混合物的名义标准沸点和临界温度. 当烧蚀产物温度低于临界温度时，以液态蒸发机理表征热解产物的烧蚀，用Knudsen层关系式计算烧蚀质量；反之热解产物飞散由气体动力学机理控制，采用间断守恒关系及Jouguet条件描述烧蚀进程. 本模型可给出激光辐照下聚甲醛的烧蚀质量、烧蚀温度、烧蚀产物组成和不同机理的烧蚀比率. 与实验结果对比表明，当激光能量密度小于30 J/cm2时本模型能准确地描述烧蚀过程.
[1] Ageichik A A, Repina E V, Rezunkov Y A, Safronov A L 2009 Tech. Phys. 54 402
[2] Phipps C, Birkan M, Bohn W, Eckel H A, Horisawa H, Lippert T, Michaelis M, Rezunkov Y, Sasoh A, Schall W, Scharring S, Sinko J 2010 J. Propul. Power 26 609
[3] Zhang Y, Lu X, Zhou M L, Lin X X, Zheng Z Y, Li Y T, Zhang J 2011 Chin. Phys. B 20 087901
[4] Pfleging W, Baldus O, Bruns M, Baldini A, Bemporad E 2005 Proc. SPIE 5713 479
[5] Lippert T 2004 Adv. Polym. Sci. 168 51
[6] Schall W O, Eckel H A, Tegel J, Waiblinger F, Walther S 2004 Final Report (London: EOARD) FA8655-03-1-3061
[7] Watanabe K, Mori K, Sasoh A 2006 J. Propul. Power 22 1150
[8] Sinko J E, Sasoh A 2011 Int. J. Aerospace Innovat. 3 93
[9] Saki T, Ichihashi K, Matsuda A, Sasoh A 2009 Proceeding of 40th AIAA Plasmadynamics and Laser Conference (San Antonio: AIAA) p3590
[10] Tong H F 2006 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese) [童慧峰 2006 博士学位论文 (合肥: 中国科学技术大学)]
[11] Sinkoa J E, Phipps C R 2009 Appl. Phys. Lett. 95 131105
[12] Bityurin N 1999 Appl. Surf. Sci. 138-139 354
[13] Tan X Y, Zhang D M, Li Z H, Guan L, Li L 2005 Acta Phys. Sin. 54 3915 (in Chinese) [谭新玉, 张端明, 李智华, 关丽, 李莉 2005 物理学报 54 3915]
[14] Hu H F, Ji Y, Hu Y, Ding X Y, Liu X W, Guo J H, Wang X L, Zhai H C 2011 Chin. Phys. B 20 044204
[15] Bityurin N, Luk'yanchuk B S, Hong M H, Chong T C 2003 Chem. Rev. 103 519
[16] Poling B E (translated by Zhao H L) 2006 The Properties of Gases and Liquids (Beijing: Chemical Industry Press) pp8-29 (in Chinese)[柏林 B E 著 (赵红玲译) 2006 气液物性估算手册 (北京: 化学工业出版社) 第8–29页]
[17] Dong X F, Fang L G, Chen L 2006 Estimating Principles of Properties and Computer Calculation (Beijing: Chemical Industry Press) pp41, 42 (in Chinese) [董新法, 方利国, 陈砺 2006 物性估算原理及计算机计算 (北京: 化学工业出版社) 第41, 42页]
[18] Liu Z Y 1998 AIChE J. 44 1709
[19] Pekker L, Keidar M, Cambier J L 2008 J. Appl. Phys. 103 034906
[20] Peng D Y, Robinson D B 1976 Ind. Eng. Chem. Fundam. 15 59
[21] Tong J G, Wu M Y, Wang P Y 2006 Advanced Engineering Thermodynamics (Beijing: Science Press) pp78, 79 (in Chinese) [童钧耕, 吴孟余, 王平阳 2006 高等工程热力学 (北京: 科学出版社) 第78,79页]
[22] Stoliarov S I, Walters R N 2008 Polym. Degrad. Stabil. 93 422
[23] Duan Y F 2004 M. S. Dissertation (Chengdu: Shanxi University) (in Chinese) [段怡飞 2004 硕士学位论文 (成都: 四川大学)]
[24] Suzuki K, Sawada K, Takaya R, Sasoh A 2008 J. Propul. Power 24 834
[25] Mao X, Russo R E 1997 Appl. Phys. A 64 1
[26] Duan Y, Li H, Ye L, Liu X 2006 J. Appl. Polymer Sci. 99 3085
[27] Brunco D P, Thompson M O, Otis C E, Goodwin P M 1992 J. Appl. Phys. 72 344
[28] Arnold N, Bityurin N 1999 Appl. Phys. A 68 615
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[1] Ageichik A A, Repina E V, Rezunkov Y A, Safronov A L 2009 Tech. Phys. 54 402
[2] Phipps C, Birkan M, Bohn W, Eckel H A, Horisawa H, Lippert T, Michaelis M, Rezunkov Y, Sasoh A, Schall W, Scharring S, Sinko J 2010 J. Propul. Power 26 609
[3] Zhang Y, Lu X, Zhou M L, Lin X X, Zheng Z Y, Li Y T, Zhang J 2011 Chin. Phys. B 20 087901
[4] Pfleging W, Baldus O, Bruns M, Baldini A, Bemporad E 2005 Proc. SPIE 5713 479
[5] Lippert T 2004 Adv. Polym. Sci. 168 51
[6] Schall W O, Eckel H A, Tegel J, Waiblinger F, Walther S 2004 Final Report (London: EOARD) FA8655-03-1-3061
[7] Watanabe K, Mori K, Sasoh A 2006 J. Propul. Power 22 1150
[8] Sinko J E, Sasoh A 2011 Int. J. Aerospace Innovat. 3 93
[9] Saki T, Ichihashi K, Matsuda A, Sasoh A 2009 Proceeding of 40th AIAA Plasmadynamics and Laser Conference (San Antonio: AIAA) p3590
[10] Tong H F 2006 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese) [童慧峰 2006 博士学位论文 (合肥: 中国科学技术大学)]
[11] Sinkoa J E, Phipps C R 2009 Appl. Phys. Lett. 95 131105
[12] Bityurin N 1999 Appl. Surf. Sci. 138-139 354
[13] Tan X Y, Zhang D M, Li Z H, Guan L, Li L 2005 Acta Phys. Sin. 54 3915 (in Chinese) [谭新玉, 张端明, 李智华, 关丽, 李莉 2005 物理学报 54 3915]
[14] Hu H F, Ji Y, Hu Y, Ding X Y, Liu X W, Guo J H, Wang X L, Zhai H C 2011 Chin. Phys. B 20 044204
[15] Bityurin N, Luk'yanchuk B S, Hong M H, Chong T C 2003 Chem. Rev. 103 519
[16] Poling B E (translated by Zhao H L) 2006 The Properties of Gases and Liquids (Beijing: Chemical Industry Press) pp8-29 (in Chinese)[柏林 B E 著 (赵红玲译) 2006 气液物性估算手册 (北京: 化学工业出版社) 第8–29页]
[17] Dong X F, Fang L G, Chen L 2006 Estimating Principles of Properties and Computer Calculation (Beijing: Chemical Industry Press) pp41, 42 (in Chinese) [董新法, 方利国, 陈砺 2006 物性估算原理及计算机计算 (北京: 化学工业出版社) 第41, 42页]
[18] Liu Z Y 1998 AIChE J. 44 1709
[19] Pekker L, Keidar M, Cambier J L 2008 J. Appl. Phys. 103 034906
[20] Peng D Y, Robinson D B 1976 Ind. Eng. Chem. Fundam. 15 59
[21] Tong J G, Wu M Y, Wang P Y 2006 Advanced Engineering Thermodynamics (Beijing: Science Press) pp78, 79 (in Chinese) [童钧耕, 吴孟余, 王平阳 2006 高等工程热力学 (北京: 科学出版社) 第78,79页]
[22] Stoliarov S I, Walters R N 2008 Polym. Degrad. Stabil. 93 422
[23] Duan Y F 2004 M. S. Dissertation (Chengdu: Shanxi University) (in Chinese) [段怡飞 2004 硕士学位论文 (成都: 四川大学)]
[24] Suzuki K, Sawada K, Takaya R, Sasoh A 2008 J. Propul. Power 24 834
[25] Mao X, Russo R E 1997 Appl. Phys. A 64 1
[26] Duan Y, Li H, Ye L, Liu X 2006 J. Appl. Polymer Sci. 99 3085
[27] Brunco D P, Thompson M O, Otis C E, Goodwin P M 1992 J. Appl. Phys. 72 344
[28] Arnold N, Bityurin N 1999 Appl. Phys. A 68 615
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