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The multi-segment liquid laser system connected in series and obliquely pumped by LD can have significantly improved laser beam quality and higher output power. A flow-heat-solid interaction model for calculating the temperature distribution in the sub-gain section is established, which is focused on the flow, heat transfer and coupling in sub-gain section. We performed the numerical simulation of transient flow-field-heat distribution by way of the finite element method. The method proposed precludes the influence of the inaccurate film coefficient on the calculation results, the film coefficient is no longer a prerequisite, but a result of the calculation. Our method provides a new effective way to assess and control the flow-field-heat distribution which is affected by the flow channel shape, flow rate, absorption coefficient and other factors. Numerical results show that the film coefficient is a function of spatial location. Flow and heat transfer effieciency decreases with increasing velocity. When the laser medium is flowing, the temperature distribution and temperature gradient distribution are similar and are complementary to the film coefficient distribution, the maximum temperature and temperature gradient appears in the sharp corner downstream the flow.
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Keywords:
- liquid laser /
- flow-heat-solid interaction model /
- film coefficient /
- flow field heat distribution
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[2] Ren G G 2006 Laser Technol. 30 418( in Chinese)[任国光 2006 激光技术 30 418]
[3] Li M, Su Y, Song Y S, Xu Z 2008 Acta Opt. Sin. 28 2349 (in Chinese) [李 密、苏 毅、宋影松、许 正 2008 光学学报 28 2349]
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[5] Song X L, Guo Z, Li B B, Wang S Y, Cai D F, Wen J G 2009 Acta Phys. Sin. 58 1700 (in Chinese) [宋小鹿、过 振、李兵斌、王石语、蔡德芳、文建国 2009 58 1700]
[6] Li Z G, Huai X L, Wang L 2009 Appl. Therm. Eng. 29 2927
[7] Ma Z, Li D J, Cao J C, Wu N L, Du K M 2007 Opt. Commun. 275 179
[8] Sovizi M, Massudi R 2007 Opt. Commun. 275 206
[9] Silvestre , Grau J, Pujol M C 2008 Opt. Express. 16 5022
[10] Lin B, Morgan M N, Chen X W, Wang Y K 2009 Int. J. Adv. Manuf. Technol. 42 1175
[11] Zu N N, Dai Z W, Cui Z Q, Tang Y 2008 J. Opt. Am. B 25 2092
[12] Yang Y M, Xu Q M, Guo Z 2008 Acta Phys. Sin. 57 223( in Chinese) [杨永明、许启明、过 振 2008 57 223]
[13] Dalkilic A S, Yildiz S, Wongwises S 2009 Int. J. Heat Mass Tran. 52 142
[14] Li Z, Huai X, Tao Y 2007 Appl. Phys.B 87 301
[15] Zhu H T, Lou Q H, Zhou J, Qi Y F, Dong J X, Wei Y R 2008 Acta Phys. Sin. 57 4966( in Chinese) [朱洪涛、楼祺洪、周 军、漆云凤、董景星、魏运荣 2008 57 4966]
[16] Xie H Q, Chen L F 2009 Acta Phys. Sin. 58 2513( in Chinese) [谢华清、陈立飞 2009 58 2513]
[17] Li M 2007 M. S. Thesis ( Mianyang: China Academy of Engineering Physics) (in Chinese)[李 密 2007 硕士学位论文(绵阳: 中国工程物理研究院)]
[18] Wang Y F, Liu L C 2006 Quart Glass (Beijing: Chemical Industry Press) pp3—p11(in Chinese ) [王玉芬、刘连成 2006 石英玻璃(北京:化学工业出版社)第3—11页]
[19] Wang J R, Min J C, Song Y Z 2006 Appl. Therm. Engng. 26 549
[20] Wu J, Summers H D 2009 Chin. Phys. B 18 4912
[21] Li Z G, Huai X L, Tao Y J, Guo Z Y 2009 Appl. Opt. 48 598
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[1] Comaskey B J, Ault E R, Kuklo T C 2005 U. S. Patent 6 914 926 B2
[2] Ren G G 2006 Laser Technol. 30 418( in Chinese)[任国光 2006 激光技术 30 418]
[3] Li M, Su Y, Song Y S, Xu Z 2008 Acta Opt. Sin. 28 2349 (in Chinese) [李 密、苏 毅、宋影松、许 正 2008 光学学报 28 2349]
[4] Watson W, Reich S, Lempicki A 1968 IEEE J. Quantum Electron. 4 842
[5] Song X L, Guo Z, Li B B, Wang S Y, Cai D F, Wen J G 2009 Acta Phys. Sin. 58 1700 (in Chinese) [宋小鹿、过 振、李兵斌、王石语、蔡德芳、文建国 2009 58 1700]
[6] Li Z G, Huai X L, Wang L 2009 Appl. Therm. Eng. 29 2927
[7] Ma Z, Li D J, Cao J C, Wu N L, Du K M 2007 Opt. Commun. 275 179
[8] Sovizi M, Massudi R 2007 Opt. Commun. 275 206
[9] Silvestre , Grau J, Pujol M C 2008 Opt. Express. 16 5022
[10] Lin B, Morgan M N, Chen X W, Wang Y K 2009 Int. J. Adv. Manuf. Technol. 42 1175
[11] Zu N N, Dai Z W, Cui Z Q, Tang Y 2008 J. Opt. Am. B 25 2092
[12] Yang Y M, Xu Q M, Guo Z 2008 Acta Phys. Sin. 57 223( in Chinese) [杨永明、许启明、过 振 2008 57 223]
[13] Dalkilic A S, Yildiz S, Wongwises S 2009 Int. J. Heat Mass Tran. 52 142
[14] Li Z, Huai X, Tao Y 2007 Appl. Phys.B 87 301
[15] Zhu H T, Lou Q H, Zhou J, Qi Y F, Dong J X, Wei Y R 2008 Acta Phys. Sin. 57 4966( in Chinese) [朱洪涛、楼祺洪、周 军、漆云凤、董景星、魏运荣 2008 57 4966]
[16] Xie H Q, Chen L F 2009 Acta Phys. Sin. 58 2513( in Chinese) [谢华清、陈立飞 2009 58 2513]
[17] Li M 2007 M. S. Thesis ( Mianyang: China Academy of Engineering Physics) (in Chinese)[李 密 2007 硕士学位论文(绵阳: 中国工程物理研究院)]
[18] Wang Y F, Liu L C 2006 Quart Glass (Beijing: Chemical Industry Press) pp3—p11(in Chinese ) [王玉芬、刘连成 2006 石英玻璃(北京:化学工业出版社)第3—11页]
[19] Wang J R, Min J C, Song Y Z 2006 Appl. Therm. Engng. 26 549
[20] Wu J, Summers H D 2009 Chin. Phys. B 18 4912
[21] Li Z G, Huai X L, Tao Y J, Guo Z Y 2009 Appl. Opt. 48 598
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