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Numerical Investigation of Pulsating Flow Characteristics of Fluid in a Rough Circular Microchannel

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Abstract

In this study, pulsating flow of fluid in rough and smooth circular microchannel is investigated numerically. Pulsating flow amplitude (A), frequency (ω), and roughness of microchannel effect on heat transfer and pressure drop are investigated compared with smooth microchannel. Reynolds number (Re = 200) is constant throughout the simulation. Heat transfer performance of circular microchannel and pressure drop is found increasing with increment of pulsating amplitude. However, pulsating flow frequency impact in heat transfer of circular microchannel is found inconsequential. The whole simulation is repeated for three different pulsating flow amplitudes (A) and roughness spacing frequency (s).

Keywords

  • Pulsating flow
  • Circular microchannel
  • Roughness

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Correspondence to A. K. M. Monjur Morshed .

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Shuvo, A.A., Monjur Morshed, A.K.M. (2021). Numerical Investigation of Pulsating Flow Characteristics of Fluid in a Rough Circular Microchannel. In: Venkatakrishnan, L., Majumdar, S., Subramanian, G., Bhat, G.S., Dasgupta, R., Arakeri, J. (eds) Proceedings of 16th Asian Congress of Fluid Mechanics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-5183-3_51

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  • DOI: https://doi.org/10.1007/978-981-15-5183-3_51

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-5182-6

  • Online ISBN: 978-981-15-5183-3

  • eBook Packages: EngineeringEngineering (R0)