Doctor of Philosophy Thesis

Title- 1-D and 3-D Analysis of Multi-port Muffler configurations with emphasis on Elliptical Cylindrical

Chamber. link

Monograph

Mimani, A., “Acoustic Analysis of Elliptical Cylindrical Mufflers: Application to Automotive Muffler Design” to be published by Springer (Springer-Brief)

Present Status: Manuscript preparation in-progress, will be published/available online in 2019. book link

Book Chapters

Mimani, A. (2014). “Three-Dimensional Waves along Elliptical Ducts” In M. L. Munjal, Acoustics of Ducts and Mufflers – With Application to Exhaust and Ventilation System Design, Chapter 1, Subsection 1.8, pp. 34-38, John Wiley and Sons, 2nd Edition, ISBN 978-1-118-44312-5 (Print) 978-981-4434-73-7 (Online).

Mimani, A. (2014). “Design of Short Elliptical and Circular Chambers” In M. L. Munjal, Acoustics of Ducts and Mufflers, Chapter 8, Subsection 8.11, pp. 353-361, John Wiley and Sons, 2nd Edition, ISBN 978-1-118-44312-5 (Print) 978-981-4434-73-7 (Online).

Published/Accepted Refereed Journal Articles

1. Mimani, A., Fischer, J., Moreau, D. J. and Doolan, C. J., (2018), “A comparison of time-reversal and cross-spectral beamforming for localizing experimental rod-airfoil interaction noise sources.” Mechanical Systems and Signal Processing, 111, pp. 456-491. download

2. Croaker, P., Mimani, A., Doolan, C. J. and Kessissoglou, N., (2018), “A computational flowinduced noise and time-reversal technique for analysing aeroacoustic sources.” The Journal of the Acoustical Society of America, 143(4), pp. 2301-2312. download

3. Mimani, A., Porteous, R., Doolan, C. J., (2017), “A simulation-based analysis of the effect of a reflecting surface on aeroacoustic time-reversal source characterization and comparison with beamforming.” Wave Motion, 70, pp. 65-89. download

4. Mimani, A. and Munjal, M. L. (2016), “Design of reactive rectangular expansion chambers for broadband acoustic attenuation performance based on optimal port location.” Acoustics Australia, 44(2), pp. 299-323. download

5. Mimani, A., Prime, Z., Moreau, D. J. and Doolan, C. J. (2016), “Erratum: An experimental application of aeroacoustic time-reversal to the Aeolian tone.” The Journal of the Acoustical Society of America, 140(1), pg. 191. download

6. Mimani, A., Prime, Z., Moreau, D. J. and Doolan, C. J. (2016), “An experimental application of aeroacoustic time-reversal to the aeolian tone.” The Journal of the Acoustical Society of America, 139(2), pp. 740-763. download

7. Mimani, A. and Munjal, M. L. (2016), “Acoustic end-correction in a flow-reversal end chamber muffler: A semi-analytical approach.” Journal of Computational Acoustics, 24(2), 1650004, pp. 1- 44. download

8. Mimani, A., Moreau, D. J., Prime, Z. and Doolan, C. J. (2016) “Enhanced focal-resolution of dipole sources using aeroacoustic time-reversal in a wind tunnel” Mechanical Systems and Signal Processing, 72-73, pp. 925-937. download

9. Mimani, A., Doolan, C. J. and Medwell, P. R. (2015) “Stability and accuracy of aeroacoustic Time-Reversal using the Pseudo-Characteristic Formulation.” International Journal of Acoustics and Vibration, 20(4), pp. 226-243. download

10. Mimani, A., Prime, Z., Doolan, C. J. and Medwell, P. R. (2015) “A sponge-layer damping technique for aeroacoustic Time-Reversal.” Journal of Sound and Vibration, 342(1), pp. 124-151. download

11. Mimani, A., Doolan, C. J. and Medwell, P. R. (2014) “Enhancing the focal-resolution of aeroacoustic Time-Reversal using a point-sponge-layer damping technique.” The Journal of the Acoustical Society of America, 136(3), EL199-EL205. download

12. Mimani, A., Doolan, C. J. and Medwell, P. R. (2013). “Multiple line arrays for the characterization of aeroacoustic sources using a time-reversal method.” The Journal of the Acoustical Society of America, 134(4), EL327-EL333. download

13. Mimani, A. and Munjal, M. L. (2012). “Acoustical behavior of single inlet and multiple outlet elliptical cylindrical chamber muffler.” Noise Control Engineering Journal, 60(5), pp. 605-626. download

14. Mimani, A. and Munjal, M. L. (2012). “On the role of higher-order evanescent modes in endoffset inlet and end-centered outlet elliptical flow-reversal chamber mufflers.” International Journal of Acoustics and Vibration, 17(3), pp. 139-154. download

15. Mimani, A. and Munjal, M. L. (2012). “Acoustical analysis of a general network of multi-port elements - An impedance matrix approach.” International Journal of Acoustics and Vibration, 17(1), pp. 23-46. download

16. Mimani, A. and Munjal, M. L. (2012). “3-D acoustic analysis of elliptical chamber mufflers having an end inlet and a side outlet: An impedance matrix approach.” Wave Motion, 49(2), pp. 71-295. download

17. Mimani, A. and Munjal, M. L. (2011). “3-D acoustic analysis of spherical chambers having single inlet and multiple outlet: An impedance matrix approach,” International Journal of Applied Mechanics, 3(4), pp. 685-710. download

18. Mimani, A. and Munjal, M. L. (2011). “Transverse plane wave analysis of short elliptical chamber mufflers: An analytical approach.” Journal of Sound and Vibration, 330(7), pp. 1472- 1489. download

19. Mimani, A. and Munjal, M. L. (2010). “Transverse plane-wave analysis of short elliptical endchamber and expansion-chamber mufflers.” International Journal of Acoustics and Vibration, 15(1), pp. 24-38. download

Conference Proceedings

1. Mimani, A., Design of Semi-Circular Silencers for Two-Wheeler Applications, WESPAC 2018 at New Delhi, 11-15 November 2018.

2. Mimani, A., Kirby, R., Design of large reactive silencers for industrial applications, Internoise 2018, Chicago, USA.

3. Kirby, R., Mimani, A., “Attenuating sound in large ductwork using reactive and dissipative silencers”, NOVEM – 2018, Ibiza, Spain, 7-9 May 2018.

4. Mimani, A., Doolan, C. J. and Moreau, D. J., “Novel techniques to enhance the focal-resolution and characterization of experimental flow-induced dipole sources using time-reversal”, 23rd AIAA Aeroacoustics Conference, Denver, Colorado, USA, 5-9 June 2017. (Paper Number: 4183).

5. Mimani, A., Croaker, P., Karimi, M., Doolan, C. J. and Kessissoglou, N., “Hybrid CFD-BEM and Time-Reversal techniques applied to localise flow-induced noise sources generated by a flat-plate”, Proceedings of ACOUSTICS-2016, Brisbane, QLD, Australia, 9-11 November. (Paper Number: 83).

6. Mimani, A., “Acoustical behaviour of conical muffler with single inlet and single outlet: A 3-D semi-analytical approach”, Proceedings of ACOUSTICS-2015, Hunter Valley, NSW, Australia, 17- 20 November. (Paper Number: 29).

7. Mimani, A., “Broadband transmission loss performance of a hemispherical end-chamber muffler with single end-inlet and single/double end-outlet”, Proceedings of ACOUSTICS-2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 97).

8. Croaker, P., Mimani, A., Doolan, C. J. and Kessissoglou, N., “Localisation of flow-induced noise source generated at the aeolian tone using hybrid CFD-BEM and Time-Reversal method”, Proceedings of ACOUSTICS -2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 101).

9. Sudhakaran, R., Mimani, A., Porteous, R. and Doolan, C. J., “An experimental investigation of the flow-induced noise generated by a porous trailing-edge of an airfoil”, Proceedings of ACOUSTICS - 2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 16).

10. Sivakumar, A., Porteous, R., Mimani, A. and Doolan, C. J., “An experimental investigation of the turbulent boundary-layer interaction on different serrated trailing-edge configurations”, Proceedings of ACOUSTICS -2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 18).

11. Das, C., Mimani, A., Porteous, R. and Doolan, C. J., “An experimental investigation of the flowinduced noise mechanism of a flexible airfoil trailing-edge”, Proceedings of ACOUSTICS -2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 23).

12. Jagtap, A., Porteous, R., Mimani, A. and Doolan, C. J., “Aeroacoustic investigation of the effect of a detached flat plate on the noise from a square cylinder”, Proceedings of ACOUSTICS-2015, Hunter Valley, NSW, Australia, 17-20 November. (Paper Number: 15).

13. Mimani, A., Moreau, D. J. and Doolan, C. J. (2015) “Experimental application of aeroacoustic time-reversal”, 21st AIAA/CEAS Aeroacoustics Conference, Dallas, Texas, USA, 22-26 June 2015. (Paper Number: 3143).

14. Mimani, A., Doolan, C. J. and Medwell, P. R. (2014) “On the effect of mean flow profile, wavelength and array length on focal-resolution of a quadrupole source using aeroacoustic timereversal”, InterNoise 2014, 43rd International Congress on Noise Control Engineering, 16-19 November, 2014, Melbourne, VIC, Australia. (Paper Number: 81).

15. Mimani, A., Doolan, C. J. and Medwell, P. R. (2014) “Aeroacoustic time-reversal in the presence of a reflecting surface” InterNoise 2014, 43rd International Congress on Noise Control Engineering, 16-19 November, 2014, Melbourne, Australia. (Paper Number: 96).

16. Mimani, A., Doolan, C. J. and Medwell, P. R. (2014). “Enhancing the Resolution Characteristics of Aeroacoustic Time-Reversal using a Point-Time-Reversal-Sponge-Layer”, 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, Georgia, USA, 16-20 June. (Paper Number: 2316).

17. Prime, Z., Mimani, A., Moreau, D. J. and Doolan, C. J. (2014) “An Experimental comparison of Beamforming, Time Reversal and Near-field Acoustic Holography for Aeroacoustic Source Localization”, 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, Georgia, USA, 16-20 June. (Paper Number: 2917).

18. Mimani, A., Doolan, C. J. and Medwell, P. R. (2013). “Localisation of a stationary time-harmonic dipole sound source in flows using time-reversal simulation”, Proceedings of ACOUSTICS-2013, Victor Harbor, SA, Australia, 17-20 November. (Paper Number: 13).

19. Mimani, A., Doolan, C. J. and Medwell, P. R. (2013). “Application of compact upwind biased finite difference schemes for 2-D time-reversal simulations”, 20th International Congress on Sound and Vibration, Bangkok, Thailand, 8-11 July. (Paper Number: 75).

20. Mimani, A., Doolan, C. J. and Medwell, P. R. (2013). “Compact upwind biased dispersion relation preserving finite difference schemes”, 20th International Congress on Sound and Vibration, Bangkok, Thailand, 8-11 July. (Paper Number: 74).

21. Mimani, A. and Munjal, M. L. (2013). “An analytical technique for determining end correction in a single-inlet and single-outlet flow-reversal end chamber muffler”, 20th International Congress on Sound and Vibration, Bangkok, Thailand, 8-11 July. (Paper Number: 146).

22. Mimani, A. and Munjal, M. L. (2013). “Transmission loss properties and design of reciprocal and conservative single-inlet and multiple-outlet rectangular chambers”, 20th International Congress on Sound and Vibration, Bangkok, Thailand, 8-11 July. (Paper Number: 70).

23. Mimani, A. and Munjal, M. L. (2011). “Three-dimensional acoustic analysis of an elliptical chamber muffler with a side inlet and side outlet”, 18th International Congress on Sound and Vibration, Rio de Janeiro, Brazil, 10-14 July. (Paper Number: 1939).

24. Munjal, M. L., Mimani, A. and Rao, P. S. (2009). “A novel one-dimensional analysis of short end chamber and expansion-chamber mufflers”, 16th International Congress on Sound and Vibration, Krakow, Poland, 5-9 July. (Paper Number: 129).

Research Seminars

Seminar on Time-Reversal as a diagnostic tool to characterise aeroacoustic/flow-induced noise sources: An overview at School of Manufacturing and Mechanical Engineering, University of New South Wales, Sydney, Australia, March 2015

Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India, May 2015

Department of Mechanical Engineering, Indian Institute of Technology, Delhi, India, May 2015

Oral Presentation

1. Mimani, A. and Doolan, C. J., “An overview of aeroacoustic Time-Reversal”, KOZWaves 2015, presented at 2nd Australasian Conference on Wave Science, School of Mathematical Science, The University of Adelaide, 6-9 December.

2. Mimani, A., Doolan, C. J., Moreau, D. J., “On improving the localization accuracy of airfoil trailing-edge noise source using an iterative time-reversal super-resolution technique,” presented during WESPAC 2018 at New Delhi 11-15 November.