Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Sectional view of the duct used in experimental setup

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Schematic diagram of experimental setup

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of friction factor versus Reynolds number factor for smooth duct

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of Nusselt number with Reynolds number

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of Nusselt number with Reynolds number for smooth and rough geometries (arc-shaped)

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of friction factor for smooth and rough shaped geometries

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of Nusselt number with Reynolds number for different geometries

Date of download: 12/29/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Heat Transfer and Friction Characteristics of Arc-Shaped Roughness Elements Having Central Gaps on the Absorber Plate of Solar Air Heater J. Sol. Energy Eng. 2016;138(4):041005-041005-8. doi:10.1115/1.4033402 Figure Legend: Variation of friction factor with Reynolds number for different geometries