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Fluid Mechanics and Fluid Power pp 717–725Cite as

Effect of Air Co-flow on Flickering Motion of LPG Laminar Diffusion Jet Flame

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Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

The present paper reports on an experimental study to determine the effects of air co-flow on the flickering behaviour of liquefied petroleum gas (LPG) laminar diffusion flames. This study is accomplished by using the fast Fourier transform (FFT) analysis on photomultiplier tube (PMT) time signals, image-processing technique and proper orthogonal decomposition (POD) analysis. In this experimental study, the flickering of a flame is described by its flame structure (mean flame height), oscillation amplitude, and percentage dominant mode energy. It is observed that the velocity of co-flow air strongly affects the flame dynamics and structure of the co-flow laminar diffusion flame. The PMT signals confirmed that increasing the velocity of co-flow air leads to an increase in the oscillation frequency and a decrease in oscillation amplitude. The effect of co-flow velocity disappears at critical values and the flame height becomes constant.

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Acknowledgements

The authors would like to thank Dr. Arumuga Perumal D, NIT Surathkal for his valuable support during this study.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Institute of Technology, Surathkal, Karnataka, India

    P. Satyanarayana Raju

  2. Department of Mechanical and Aerospace Engineering, Indian Institute of Technology, Hyderabad, Telangana, India

    Guguloth Mahesh Nayak & S. Balusamy

Authors
  1. P. Satyanarayana Raju
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  2. Guguloth Mahesh Nayak
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  3. S. Balusamy
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Corresponding author

Correspondence to S. Balusamy .

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Editors and Affiliations

  1. Department of Mechanical Engineering, PSG College of Technology, Coimbatore, Tamil Nadu, India

    T. Prabu

  2. Department of Mechanical Engineering, PSG College of Technology, Coimbatore, Tamil Nadu, India

    P. Viswanathan

  3. Department of Mechanical Engineering, Indian Institute of Technology (IIT) Bombay, Mumbai, Maharashtra, India

    Amit Agrawal

  4. Department of Mechanical Engineering, S. V. National Institute of Technology Surat, Surat, Gujarat, India

    Jyotirmay Banerjee

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Satyanarayana Raju, P., Nayak, G.M., Balusamy, S. (2021). Effect of Air Co-flow on Flickering Motion of LPG Laminar Diffusion Jet Flame. In: Prabu, T., Viswanathan, P., Agrawal, A., Banerjee, J. (eds) Fluid Mechanics and Fluid Power. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-0698-4_79

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  • DOI: https://doi.org/10.1007/978-981-16-0698-4_79

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-0697-7

  • Online ISBN: 978-981-16-0698-4

  • eBook Packages: EngineeringEngineering (R0)

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