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Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted.

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Presentation on theme: "Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted."— Presentation transcript:

1 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Rectangular pin-fin obstacle configuration Figure Legend:

2 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Pressure loss as a function of G for the smooth and rectangular pin-fin impingement flow for X∕D=1.86, 3.06, and 4.66 Figure Legend:

3 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 In-line and offset impingement jet Figure Legend:

4 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Influence of G on the surface-averaged impingement heat transfer coefficient for X∕D=1.86. Comparison of in-line and offset jets. Figure Legend:

5 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 The influence of G on the surface-averaged impingement heat transfer coefficient for X∕D=4.66, Z∕D=2.75, Uj∕Uc=1.8. Comparison of in-line and offset jets relative to the rectangular pin obstacles. Figure Legend:

6 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 hr∕hs as a function of G for X∕D 1.86, 3.06, and 4.66 Figure Legend:

7 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Comparison of the surface-averaged impingement heat transfer coefficient as a function of G for smooth and rectangular pin-fin surface roughness, X∕D=1.86, Uj∕Uc=0.29 Figure Legend:

8 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Comparison of the surface-averaged impingement heat transfer coefficient as a function of G for smooth and rectangular pin-fin roughness for in-line jets, X∕D=3.06, Z∕D=1.8, Uj∕Uc=0.78 Figure Legend:

9 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Surface-averaged impingement heat transfer for smooth and rectangular pin-fin rough surfaces, as a function of G for X∕D=4.66 Figure Legend:

10 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Influence of X∕D on surface-averaged impingement heat transfer as a function of G Figure Legend:

11 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Ratio of rough rectangular pin-fin surface to smooth surface-averaged impingement heat transfer coefficient as a function of G. Comparison of the influence of square array impingement hole X∕D. Figure Legend:

12 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Influence of square array impingement jet X∕D on Nusselt versus impingement jet Reynolds number plot, X=15.2mm and Z=9mm. Impingement surface with rectangular pin-fin array with one fin in-line with each impingement jet and offset midway between the jets. Figure Legend:

13 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Variation of the impingement heat transfer coefficient with axial distance from the leading edge. Comparison of smooth surface impingement heat transfer with a rectangular pin-fin rough surface, X∕D=1.86, G=1.91kg∕sm2. Figure Legend:

14 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Impingement heat transfer coefficient as a function of axial distance from the leading edge. Comparison between smooth wall and rough wall rectangular pin-fin array impingement heat transfer, X∕D=3.06, G=1.9kg∕sm2. Figure Legend:

15 Date of download: 6/26/2016 Copyright © ASME. All rights reserved. From: Enhanced Impingement Heat Transfer: The Influence of Impingement X/D for Interrupted Rib Obstacles (Rectangular Pin Fins) J. Turbomach. 2004;128(2):321-331. doi:10.1115/1.1860574 Impingement heat transfer coefficient as a function of the axial distance from the leading edge. Comparison of smooth surface and rough rectangular pin-fin arrays with square array impingement jets, X∕D=4.66, G=1.92kg∕sm2. Figure Legend:


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