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Title: :  CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS
PaperId: :  12369
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 6 Issue 4 2020
DUI:    16.0415/IJARIIE-12369
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
SANDEEP KUMAR SAHUSCOPE College of Engineering, Bhopal
DR S K NAGPURESCOPE College of Engineering, Bhopal

Abstract

THERMAL ENGINEERING
Reynolds number, Heat transfer, Pressure drop, Duct, Relative gap position
In this paper results of CFD analysis on heat transfer and friction in rectangular ducts roughened with broken multi arc-rib roughness has been presented. The rib roughness has relative roughness pitch of 10, relative , arc angle of 30° and relative roughness height of 0.043. The relative gap width was varied from 0.5 to 2.5. The effects of relative gap width on Nusselt number, friction factor and thermo-hydraulic performance parameter have been discussed and results compared with smooth duct under similar conditions.Thus, the broken multi arc shaped with different relative gap width, when compared with the smooth and rough ribs with symmetrical gaps, it was concluded that the related Nusselt Number and friction factor for broken multi arc shaped ribs with different relative gap width was more efficient as well as economical, than that of smooth and rough ribs with symmetrical gaps for flow Reynolds Number. The smooth ribs could not transfer the desired heat due to absence of friction; so, they are not preferred practically. One of the most important techniques used are passive heat transfer technique. These techniques when adopted in heat transfer surfaces proved that the overall thermal performance improved significantly. Rib roughness on the underside of the top wall of a duct has been found to substantially enhance the heat transfer coefficient. Surface roughness disturbs the laminar sub-layer in the turbulent flow and promotes local wall turbulence that, in turn, increases the heat transfer from the surfaces. The augmentation in heat transfer accompanies a higher pressure drop penalty of the fluid flow. In this work the maximum value is found to be relative gap width is 1.0.

Citations

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IJARIIE SANDEEP KUMAR SAHU, and DR S K NAGPURE. "CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS" International Journal Of Advance Research And Innovative Ideas In Education Volume 6 Issue 4 2020 Page 776-784
MLA SANDEEP KUMAR SAHU, and DR S K NAGPURE. "CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS." International Journal Of Advance Research And Innovative Ideas In Education 6.4(2020) : 776-784.
APA SANDEEP KUMAR SAHU, & DR S K NAGPURE. (2020). CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS. International Journal Of Advance Research And Innovative Ideas In Education, 6(4), 776-784.
Chicago SANDEEP KUMAR SAHU, and DR S K NAGPURE. "CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS." International Journal Of Advance Research And Innovative Ideas In Education 6, no. 4 (2020) : 776-784.
Oxford SANDEEP KUMAR SAHU, and DR S K NAGPURE. 'CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS', International Journal Of Advance Research And Innovative Ideas In Education, vol. 6, no. 4, 2020, p. 776-784. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/CFD_ANALYSIS_OF_HEAT_TRANSFER_AND_FRICTION_CHARACTERISTICS_OF_SOLAR_AIR_HEATER_DUCT_USING_BROKEN_MULTI_ARC_SHAPED_RIBS_ROUGHNESS_ijariie12369.pdf (Accessed : ).
Harvard SANDEEP KUMAR SAHU, and DR S K NAGPURE. (2020) 'CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS', International Journal Of Advance Research And Innovative Ideas In Education, 6(4), pp. 776-784IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/CFD_ANALYSIS_OF_HEAT_TRANSFER_AND_FRICTION_CHARACTERISTICS_OF_SOLAR_AIR_HEATER_DUCT_USING_BROKEN_MULTI_ARC_SHAPED_RIBS_ROUGHNESS_ijariie12369.pdf (Accessed : )
IEEE SANDEEP KUMAR SAHU, and DR S K NAGPURE, "CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS," International Journal Of Advance Research And Innovative Ideas In Education, vol. 6, no. 4, pp. 776-784, Jul-Aug 2020. [Online]. Available: http://ijariie.com/AdminUploadPdf/CFD_ANALYSIS_OF_HEAT_TRANSFER_AND_FRICTION_CHARACTERISTICS_OF_SOLAR_AIR_HEATER_DUCT_USING_BROKEN_MULTI_ARC_SHAPED_RIBS_ROUGHNESS_ijariie12369.pdf [Accessed : ].
Turabian SANDEEP KUMAR SAHU, and DR S K NAGPURE. "CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 6 number 4 ().
Vancouver SANDEEP KUMAR SAHU, and DR S K NAGPURE. CFD ANALYSIS OF HEAT TRANSFER AND FRICTION CHARACTERISTICS OF SOLAR AIR HEATER DUCT USING BROKEN MULTI ARC SHAPED RIBS ROUGHNESS. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2020 [Cited : ]; 6(4) : 776-784. Available from: http://ijariie.com/AdminUploadPdf/CFD_ANALYSIS_OF_HEAT_TRANSFER_AND_FRICTION_CHARACTERISTICS_OF_SOLAR_AIR_HEATER_DUCT_USING_BROKEN_MULTI_ARC_SHAPED_RIBS_ROUGHNESS_ijariie12369.pdf
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