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Performance of a two-electrode plasma synthetic jet actuator has been experimentally studied by discharge measurements with high-speed shadowgraphy technology. Results show that the breakdown voltage and the peak discharge current of the actuator may be decreased by decreasing the ambient pressure and increasing the discharge frequency. The discharge developed in the actuator cavity is a spark-arc discharge. In the actuator could be created a strong “precursor shock” and a high kinetic energy jet. During the development of the plasma synthetic jet, the speed of the “precursor shock” is invariable and the jet propagates with an approximately local sonic velocity (350 m/s). But with decreasing jet exit diameter and ambient pressure, the increase of the cavity volume and the discharge frequency could lead to decreasing strength of the “precursor shock”. Heating efficiency of the gas in the cavity will decrease with the increase of the cavity volume and discharge frequency, and the jet velocity is decreased as well. The jet exit diameter and the ambient pressure can have their optimal values for affecting the velocity of the jet. Under all the working conditions we have studied, the plasma actuator may create a strong “precursor shock” and a high-speed jet, and also may have the potential to be used in high-speed active flow control.
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Keywords:
- plasma /
- synthetic jet /
- precursor shock /
- jet velocity
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[2] Wang L, Luo Z B, Xia Z X, Liu B, Deng X 2012 Sci China Tech. Sci. 55 2225
[3] Moreau E 2007 J. Phys. D: Appl. Phys. 40 605
[4] Wang J J, Choi K S, Feng L H, Jukes T N, Whalley R D 2013 Prog. Aerospace Sci. 62 52
[5] Nie W S, Cheng Y F, Che X K 2012 Adv. Mech. 42 6(in Chinese) [聂万胜, 程钰锋, 车学科 2012 力学进展 42 6]
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[7] Roth J 2003 Phys. Plasmas. 42 165503
[8] Zhu Y F, Wu Y, Cui W, Li Y H, Jia M 2013 J. Phys. D: Appl. Phys. 43 355205
[9] Nishihara M, Takashima K, Rich J, Adamovich I 2011 Phys. Fluids 23 066101
[10] Moreau E, Labergue A Touchard G 2005 J. Adv. Oxydation 8 241
[11] Wang J, Li Y H, Cheng B Q, Su C B, Song H M, Wu Y 2009 Acta Phys. Sin. 58 5513(in Chinese) [王健, 李应红, 程邦勤, 苏长兵, 宋慧敏, 吴云 2009 58 5513]
[12] Merriman S, Ploenjes E, Palm P, Adamovich I V 2001 AIAA J. 39 1547
[13] Grossman K R, Cybyk B Z, vanWie D M 2003 AIAA Paper 2003-57
[14] Narayanaswamy V, Raia L L, Clemens N T 2010 AIAA J. 48 297
[15] Wang L, Xia Z X, Luo Z B, Chen J 2014 AIAA J. 52 879
[16] Cybyk B Z, Simon D H, LandⅢ H B, Chen J, Katz J 2006 AIAA Paper 2006-478
[17] Popkin S H, Cybyk B Z, Land Ⅲ H B, Emerick Ⅱ T M, Foster C H, Alvi F S 2013 AIAA Paper 2013-0322
[18] Haack S J, Taylor T, Emhoff J, Cybyk B Z 2010 AIAA Paper 2010-4979
[19] Taylor T M, Cybyk B Z 2008 AIAA Paper 2008-2608
[20] Wang L, Luo Z B, Xia Z X, Liu B 2013 Acta Phys. Sin. 62 125207(in Chinese) [王林, 罗振兵, 夏智勋, 刘冰 2013 62 125207]
[21] Ko H S, Haack S J, Land Ⅲ H B, Cybyk B Z, Katz J, Kim H J 2010 Flow Meas. Instrum. 21 443
[22] Reedy T M, Kale N V, Dutton J C, Elliott G S 2012 AIAA Paper 2012-0904
[23] Shin J 2010 Chin. J. Aeronaut. 23 518
[24] Belinger A, Hardy P, Barricau P, Cambronne J P, Caruana D 2011 J. Phys. D: Appl. Phys. 44 365201
[25] Jin D, Li Y H, Jia M, Song H M, Cui W, Sun Q, Li Y F 2013 Plasma Sci. Technol. 15 1034
[26] Narayanaswamy V, Raja L L, Clemens N T 2012 Phys. Fluids 24 076101
[27] Emerick Ⅱ T M, Ali M Y, Foster C H, Alvi F S, Popkin S H, Cybyk B Z 2012 AIAA Paper 2012-2814
[28] Raizer Y P 1991 Gas Discharge Physics (Berlin: Springer Press) p246
[29] Xu X J, Zhu D C 1995 Physics of Gas Discharge (Shanghai: Fudan University Press) P215 (in Chinese) [徐学基, 诸定昌1995气体放电物理(上海: 复旦大学出版社)第215页]
[30] GreasonW D, Kucerovsky Z, Bulach S, Flatley M W 1997 IEEE Trans. Ind. Applicat. 33 1519
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[1] Cattafesta L N, Sheplak M 2011 Annu. Rev. Fluid Mech. 43 247
[2] Wang L, Luo Z B, Xia Z X, Liu B, Deng X 2012 Sci China Tech. Sci. 55 2225
[3] Moreau E 2007 J. Phys. D: Appl. Phys. 40 605
[4] Wang J J, Choi K S, Feng L H, Jukes T N, Whalley R D 2013 Prog. Aerospace Sci. 62 52
[5] Nie W S, Cheng Y F, Che X K 2012 Adv. Mech. 42 6(in Chinese) [聂万胜, 程钰锋, 车学科 2012 力学进展 42 6]
[6] Corke T C, Enloe C L, Wilkinson S P 2010 Annu. Rev. Fluid Mech. 42 505
[7] Roth J 2003 Phys. Plasmas. 42 165503
[8] Zhu Y F, Wu Y, Cui W, Li Y H, Jia M 2013 J. Phys. D: Appl. Phys. 43 355205
[9] Nishihara M, Takashima K, Rich J, Adamovich I 2011 Phys. Fluids 23 066101
[10] Moreau E, Labergue A Touchard G 2005 J. Adv. Oxydation 8 241
[11] Wang J, Li Y H, Cheng B Q, Su C B, Song H M, Wu Y 2009 Acta Phys. Sin. 58 5513(in Chinese) [王健, 李应红, 程邦勤, 苏长兵, 宋慧敏, 吴云 2009 58 5513]
[12] Merriman S, Ploenjes E, Palm P, Adamovich I V 2001 AIAA J. 39 1547
[13] Grossman K R, Cybyk B Z, vanWie D M 2003 AIAA Paper 2003-57
[14] Narayanaswamy V, Raia L L, Clemens N T 2010 AIAA J. 48 297
[15] Wang L, Xia Z X, Luo Z B, Chen J 2014 AIAA J. 52 879
[16] Cybyk B Z, Simon D H, LandⅢ H B, Chen J, Katz J 2006 AIAA Paper 2006-478
[17] Popkin S H, Cybyk B Z, Land Ⅲ H B, Emerick Ⅱ T M, Foster C H, Alvi F S 2013 AIAA Paper 2013-0322
[18] Haack S J, Taylor T, Emhoff J, Cybyk B Z 2010 AIAA Paper 2010-4979
[19] Taylor T M, Cybyk B Z 2008 AIAA Paper 2008-2608
[20] Wang L, Luo Z B, Xia Z X, Liu B 2013 Acta Phys. Sin. 62 125207(in Chinese) [王林, 罗振兵, 夏智勋, 刘冰 2013 62 125207]
[21] Ko H S, Haack S J, Land Ⅲ H B, Cybyk B Z, Katz J, Kim H J 2010 Flow Meas. Instrum. 21 443
[22] Reedy T M, Kale N V, Dutton J C, Elliott G S 2012 AIAA Paper 2012-0904
[23] Shin J 2010 Chin. J. Aeronaut. 23 518
[24] Belinger A, Hardy P, Barricau P, Cambronne J P, Caruana D 2011 J. Phys. D: Appl. Phys. 44 365201
[25] Jin D, Li Y H, Jia M, Song H M, Cui W, Sun Q, Li Y F 2013 Plasma Sci. Technol. 15 1034
[26] Narayanaswamy V, Raja L L, Clemens N T 2012 Phys. Fluids 24 076101
[27] Emerick Ⅱ T M, Ali M Y, Foster C H, Alvi F S, Popkin S H, Cybyk B Z 2012 AIAA Paper 2012-2814
[28] Raizer Y P 1991 Gas Discharge Physics (Berlin: Springer Press) p246
[29] Xu X J, Zhu D C 1995 Physics of Gas Discharge (Shanghai: Fudan University Press) P215 (in Chinese) [徐学基, 诸定昌1995气体放电物理(上海: 复旦大学出版社)第215页]
[30] GreasonW D, Kucerovsky Z, Bulach S, Flatley M W 1997 IEEE Trans. Ind. Applicat. 33 1519
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