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Experimental Investigation of Forced Convection on Square Micro-Pin Fins

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Advances in Fluid and Thermal Engineering

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

Abstract

An investigation is to be conducted to determine whether micro-pin fin can increase heat transfer under forced convection or not. This would be accomplished by performing an experimental investigation. In the present analysis, thermal effectiveness of square micro-pin fin arrays under forced convection conditions in air was studied. Square micro-pin fins of different sizes are tested for three different heat loads, and it was observed that heat transfer performance of stainless steel micro-pin fins was enhanced 5–15% compared with flat plate fins. Further, increase in the overall Nusselt number of the surface was found due to boundary layer regeneration and enhanced flow mixing. In addition, heat transfer effectivity and thermal resistance were decreases with the increase of Reynolds numbers.

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Abbreviations

A f :

Cross-sectional area of micro-pin fin

A p :

Cross-sectional area of plate fin

H :

Height of the plate fin sample

H f :

Fin height (H − tb)

h :

Heat transfer coefficient

h p :

Convective heat transfer coefficient of plate fin

h f :

Convective heat transfer coefficient of micro-pin fin array

L :

Length of the micro-pin fin array

Nu :

Nusslet number

Q c :

Heat dissipated in convection mode from micro-pin fin array

Q in :

Power in input

Q loss :

Heat loss in different mode through the insulating case

Q p :

Heat transferred by convection from plate fin

Q f :

Heat transferred by convection from micro-pin fin array

Q r :

Heat dissipated in radiation mode from micro-pin fin array

Re :

Reynolds number

R p :

Thermal resistance of plate fin sample

R f :

Thermal resistance of micro-pin fin array

S :

Micro-pin fin spacing

T :

Temperature

T amb :

Ambient temperature

T f :

Temperature of micro-pin fin array surface

T p :

Temperature of plate fin surface

T :

Micro-pin fin thickness

t b :

Base thickness

W :

Width of the micro-pin fin array sample

ɛ f :

Overall fin effectiveness

References

  1. Micheli L, Reddy KS, Malliick TK (2016) Experimental comparison of micro-scaled plate-fins and pin-fins under natural convection. Int Commun Heat Mass Transfer 75:59–66

    Google Scholar 

  2. Micheli L, Reddy KS, Malliick TK (2016) Thermal effectiveness and mass usage of horizontal micro-fins under natural convection. Appl Therm Eng 97:39–47

    Google Scholar 

  3. Ismail MF, Reza MO, Zobaer MA, Ali M (2013) Numerical investigation of turbulent heat convection from solid and longitudinally perforated rectangular fins. Procedia Eng 56:497–502 (2013)

    Google Scholar 

  4. Micheli L, Reddy KS, Malliick TK (2015) General correlations among geometry, orientation and thermal performance of natural convective micro-finned heat sinks. Int J Heat Mass Transf 91:711–724

    Google Scholar 

  5. Khan WA, Culham JR, Yovanovich MM (2006) The role of fin geometry in heat sink performance. Trans ASME 128:324

    Google Scholar 

  6. Kobus CJ, Oshio T (2005) Development of a theoretical model for predicting the thermal performance characteristics of a vertical pin-fin array heat sink under combined forced and natural convection with impinging flow. Int J Heat Mass Transf 48:1053–1063

    Google Scholar 

  7. Micheli L, Reddy KS, Malliick TK (2015) Plate micro fins in natural convection: an opportunity for passive concentrating photovoltaic cooling. Energy Procedia 82:301–308

    Google Scholar 

  8. Soodphakdee D, Behnia M, Copeland DW (2001) A comparision of fin geometries for heatsinks in laminar forced convection: part I—round, elliptical, and plate fins in staggered and in-line configurations. Int J Microcircuits Electron Packaging 24(1). ISSN 1063-1674

    Google Scholar 

  9. Yang D, Wang Y, Ding G, Jin Z, Zhao J, Wang G (2016) Numerical and experimental analysis of cooling performance of single-phase array microchannel heat sinks with different pin-fin configurations. Appl Therm Eng. http://dx.doi.org/10.1016/j.applthermaleng.2016.08.211

  10. Niranjan RS, Singh O, Ramkumar J (2017) Optimization of process parameters for laser fiber micromachining of micro-channels on stainless steel. Int J Eng Res Gen Sci 5(6):15–23

    Google Scholar 

  11. Peles Y, Kosar A, Mishra C, Jung C, Schneida KB (2005) Forced convection heat transfer across a pin-fin micro heat sink. Int J Heat Mass Transf 48:3615–3627

    Article  Google Scholar 

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, UIET CSJMU, Kanpur, India

    Ramendra Singh Niranjan

  2. Department of Mechanical Engineering, HBTU, Kanpur, UP, India

    Onkar Singh

  3. Department of Mechanical Engineering, IIT Kanpur, Kanpur, India

    J. Ramkumar

Authors
  1. Ramendra Singh Niranjan
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  2. Onkar Singh
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  3. J. Ramkumar
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Corresponding author

Correspondence to Ramendra Singh Niranjan .

Editor information

Editors and Affiliations

  1. Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA

    Pankaj Saha

  2. Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, Delhi, India

    P.M.V. Subbarao

  3. Department of Mechanical Engineering, Amity School of Engineering and Technology, Amity University Uttar Pradesh, NOIDA, Uttar Pradesh, India

    Basant Singh Sikarwar

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© 2019 Springer Nature Singapore Pte Ltd.

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Niranjan, R.S., Singh, O., Ramkumar, J. (2019). Experimental Investigation of Forced Convection on Square Micro-Pin Fins. In: Saha, P., Subbarao, P., Sikarwar, B. (eds) Advances in Fluid and Thermal Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-6416-7_11

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  • DOI: https://doi.org/10.1007/978-981-13-6416-7_11

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-6415-0

  • Online ISBN: 978-981-13-6416-7

  • eBook Packages: EngineeringEngineering (R0)

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