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The acoustic radiation pressure expression of a multi-frequency sound source is obtained on the basis of the Fenlon theory. Then using the solution method of a monochromatic source harmonic wave directivity, farfield directivity of second-order approximate is obtained in the case of the dual-frequency sound source interaction. Subsequently, the effect of two-wave interaction on the farfield of first-order and second-order wave of either wave is studied and discussed when the initial radiation pressures and frequencies are different. The conclusion is that there are some different effects of sound wave interaction on the farfield directivity of a sound source, when the relative initial radiation pressure and frequency between the sound waves is changed.
[1] Ingard U, Pridmore-Brown D C 1956 J. Acoust. Soc. Am. 28 564
[2] Westervelt P J 1957 J. Acoust. Soc. Am. 29 973
[3] [4] Westervelt P J 1963 J. Acoust. Soc. Am. 35 535
[5] [6] Fenlon F H 1972 J. Acoust. Soc. Am. 51 284
[7] [8] [9] Fenlon F H 1973 J. Acoust. Soc. Am. 53 1752
[10] [11] Fenlon F H 1979 J. Acoust. Soc. Am. 66 534
[12] Qian Z W 1976 Acta Phys. Sin. 25 472 (in Chinese)[钱祖文 1976 25 472]
[13] [14] Qian Z W 1988 Acta Phys. Sin. 37 221 (in Chinese)[钱祖文 1988 37 221]
[15] [16] [17] Qian Z W 1981 Acta Phys. Sin. 30 433 (in Chinese)[钱祖文 1981 30 433]
[18] Qian Z W 1981 Acta Phys. Sin. 30 442 (in Chinese)[钱祖文 1981 30 442]
[19] [20] [21] Gong X F, Zhu Z M, Du G H 1979 J. Nanjing Univ. (Nat. Sci.) 3 19 (in Chinese)[龚秀芬、朱哲民、杜功焕 1979 南京大学学报 (自然科学版)3 19]
[22] Du G H, Gong X F,Zhu Z M 1982 Acta Acoust. 7 1 (in Chinese)[杜功焕、龚秀芬、朱哲民 1982 声学学报 7 1]
[23] [24] Du G H, Gong X F 1984 Acta Acoust. 9 129 (in Chinese)[杜功焕、龚秀芬1984 声学学报 9 129]
[25] [26] Ingenito F, Williams A O 1971 J. Acoust. Soc. Am. 49 319
[27] [28] Shooter J A, Muir T G, Blackstock D T 1971 J. Acoust. Soc. Am. 49 119
[29] [30] Lockwood J C, Muir T G, Blackstock D T 1973 J. Acoust. Soc. Am. 53 1148
[31] [32] Qian Z W 2009 Nonlinear Acoustics (Beijing: Science Press) p103 (in Chinese) [钱祖文 2009 非线性声学 (北京: 科学出版社)第103页]
[33] -
[1] Ingard U, Pridmore-Brown D C 1956 J. Acoust. Soc. Am. 28 564
[2] Westervelt P J 1957 J. Acoust. Soc. Am. 29 973
[3] [4] Westervelt P J 1963 J. Acoust. Soc. Am. 35 535
[5] [6] Fenlon F H 1972 J. Acoust. Soc. Am. 51 284
[7] [8] [9] Fenlon F H 1973 J. Acoust. Soc. Am. 53 1752
[10] [11] Fenlon F H 1979 J. Acoust. Soc. Am. 66 534
[12] Qian Z W 1976 Acta Phys. Sin. 25 472 (in Chinese)[钱祖文 1976 25 472]
[13] [14] Qian Z W 1988 Acta Phys. Sin. 37 221 (in Chinese)[钱祖文 1988 37 221]
[15] [16] [17] Qian Z W 1981 Acta Phys. Sin. 30 433 (in Chinese)[钱祖文 1981 30 433]
[18] Qian Z W 1981 Acta Phys. Sin. 30 442 (in Chinese)[钱祖文 1981 30 442]
[19] [20] [21] Gong X F, Zhu Z M, Du G H 1979 J. Nanjing Univ. (Nat. Sci.) 3 19 (in Chinese)[龚秀芬、朱哲民、杜功焕 1979 南京大学学报 (自然科学版)3 19]
[22] Du G H, Gong X F,Zhu Z M 1982 Acta Acoust. 7 1 (in Chinese)[杜功焕、龚秀芬、朱哲民 1982 声学学报 7 1]
[23] [24] Du G H, Gong X F 1984 Acta Acoust. 9 129 (in Chinese)[杜功焕、龚秀芬1984 声学学报 9 129]
[25] [26] Ingenito F, Williams A O 1971 J. Acoust. Soc. Am. 49 319
[27] [28] Shooter J A, Muir T G, Blackstock D T 1971 J. Acoust. Soc. Am. 49 119
[29] [30] Lockwood J C, Muir T G, Blackstock D T 1973 J. Acoust. Soc. Am. 53 1148
[31] [32] Qian Z W 2009 Nonlinear Acoustics (Beijing: Science Press) p103 (in Chinese) [钱祖文 2009 非线性声学 (北京: 科学出版社)第103页]
[33]
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