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In this work ribs were places inside the convex shape solar air heater. For analysing the effect of different pitch ratio, four different pitch geometry was analysed numerically using ANSYS Fluent. Through CFD analysis 30 mm pitch shows the maximum heat transfer as compared to other pitch. Effect of different shapes of ribs on heat transfer was also analysed, for that four different shapes of ribs was considered. Rectangular, triangular, right angle triangular and trapezoidal shapes of ribs was considered during the CFD numerical analysis. In the triangular shape of ribs shows the maximum heat transfer rate. It also analysed the effect of change in heat flux on absorber plate and measure the value of Nusselt number and heat transfer enhancement factor for each case in each type of solar air heater design.
Keywords:
solar air heater, ribs, pitch, thermal performance
Cite Article:
"Enhancement of heat transfer in the convex shape roughened absorber of solar air heater duct", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.5, Issue 12, page no.50 - 54, December-2020, Available :http://www.ijrti.org/papers/IJRTI2012010.pdf
Downloads:
000204822
ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator