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Proceedings Papers

Dimple Enhanced Heat Transfer in High Aspect Ratio Channels

Srinath V. Ekkad, Hasan Nasir
Proc. ASME. IMECE2001, Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 385-391, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24322
https://doi.org/10.1115/IMECE2001/HTD-24322
View Paper titled, Dimple Enhanced Heat Transfer in High Aspect Ratio Channels
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Topics: Heat transfer, Pressure drop, Channel flow, Flow (Dynamics), Heat transfer coefficients, Liquid crystals, Reynolds number, Transients (Dynamics)
Proceedings Papers

Film Cooling on a Flat Surface With a Single Row of Cylindrical Angled Holes: Effect of Discrete Tabs

Srinath V. Ekkad, Hasan Nasir, Sumanta Acharya
Proc. ASME. IMECE2000, Heat Transfer: Volume 3, 3-12, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1455
https://doi.org/10.1115/IMECE2000-1455
View Paper titled, Film Cooling on a Flat Surface With a Single Row of Cylindrical Angled Holes: Effect of Discrete Tabs
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Topics: Film cooling, Wind tunnels, Liquid crystals, Reynolds number, Transients (Dynamics), Turbulence
Proceedings Papers

Film Cooling From a Single Row of Cylindrical Angled Holes With Triangular Tabs Having Different Orientations

Hasan Nasir, Sumanta Acharya, Srinath Ekkad
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A011, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0124
https://doi.org/10.1115/2001-GT-0124
View Paper titled, Film Cooling From a Single Row of Cylindrical Angled Holes With Triangular Tabs Having Different Orientations
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Topics: Film cooling, Eddies (Fluid dynamics), Wind tunnels, Heat transfer coefficients, Kidney, Liquid crystals, Reynolds number, Transients (Dynamics), Turbulence
Proceedings Papers

Effect of Rib Turbulators in the First Pass on Heat Transfer Distributions in a Two-Pass Channel Connected by Two Rows of Holes

Srinath V. Ekkad, David Kontrovitz, Hasan Nasir, Gautam Pamula, Sumanta Acharya
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A059, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0184
https://doi.org/10.1115/2001-GT-0184
View Paper titled, Effect of Rib Turbulators in the First Pass on Heat Transfer Distributions in a Two-Pass Channel Connected by Two Rows of Holes
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Topics: Heat transfer, Coolants, Cooling, Flow (Dynamics), Reynolds number, Blades, Gas turbines, Heat transfer coefficients
Proceedings Papers

Advanced Technology for Server Cooling

Ralph L. Webb, Hasan Nasir
Proc. ASME. InterPACK2005, Advances in Electronic Packaging, Parts A, B, and C, 365-372, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2005-73262
https://doi.org/10.1115/IPACK2005-73262
View Paper titled, Advanced Technology for Server Cooling
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Topics: Cooling, Heat exchangers, Microchannels
Proceedings Papers

Effect of Blade Tip Geometry on Tip Flow and Heat Transfer for a Blade in a Low Speed Cascade

Vikrant Saxena, Hasan Nasir, Srinath V. Ekkad
Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 81-90, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38176
https://doi.org/10.1115/GT2003-38176
View Paper titled, Effect of Blade Tip Geometry on Tip Flow and Heat Transfer for a Blade in a Low Speed Cascade
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Geometry, Heat transfer, Leakage flows, Strips, Wakes, Chords (Trusses), Fins
Proceedings Papers

Effects of Tip Gap Film Injection From Plain and Squealer Blade Tips

Hasan Nasir, Srinath V. Ekkad, Ronald S. Bunker, Chander Prakash
Proc. ASME. GT2004, Volume 3: Turbo Expo 2004, 419-427, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53455
https://doi.org/10.1115/GT2004-53455
View Paper titled, Effects of Tip Gap Film Injection From Plain and Squealer Blade Tips
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Topics: Blades, Cascades (Fluid dynamics), Pressure, Transients (Dynamics), Chords (Trusses), Heat transfer coefficients, Mach number, Reynolds number, Rotors
Proceedings Papers

Effect of Tip and Pressure Side Coolant Injection on Heat Transfer Distributions for a Plane and Recessed Tip

Hasan Nasir, Srinath V. Ekkad, Ronald S. Bunker
Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 573-584, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68595
https://doi.org/10.1115/GT2005-68595
View Paper titled, Effect of Tip and Pressure Side Coolant Injection on Heat Transfer Distributions for a Plane and Recessed Tip
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Topics: Coolants, Heat transfer, Pressure, Blades, Heat transfer coefficients, Cascades (Fluid dynamics), Jets, Chords (Trusses), Leakage flows, Mach number
Proceedings Papers

Film Cooling From a Row of Holes Embedded in Transverse Slots

Yiping Lu, Hasan Nasir, Srinath V. Ekkad
Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 585-592, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68598
https://doi.org/10.1115/GT2005-68598
View Paper titled, Film Cooling From a Row of Holes Embedded in Transverse Slots
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Topics: Film cooling, Geometry, Heat flux, Heat transfer coefficients, Coolants, Cooling, Reynolds number, Shapes, Thermography, Transients (Dynamics)
Proceedings Papers

Effect of Tip Gap and Squealer Geometry on Measured Heat Transfer Over a HPT Rotor Blade Tip

Hasan Nasir, Srinath V. Ekkad, David M. Kontrovitz, Ronald S. Bunker, Chander Prakash
Proc. ASME. IMECE2003, Heat Transfer, Volume 2, 11-21, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-41294
https://doi.org/10.1115/IMECE2003-41294
View Paper titled, Effect of Tip Gap and Squealer Geometry on Measured Heat Transfer Over a HPT Rotor Blade Tip
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Topics: Blades, Geometry, Heat transfer, Rotors, Pressure, Cascades (Fluid dynamics), Combustion, Heat transfer coefficients, Flow (Dynamics), Leakage flows
Journal Articles

Film Cooling Measurements for Novel Hole Configurations

Yiping Lu, Hasan Nasir, David Faucheaux, Srinath V. Ekkad
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Heat Transfer Photogallery
J. Heat Mass Transfer. August 2006, 128(8): 737.
https://doi.org/10.1115/1.2221300
Published Online: August 1, 2006
View Article titled, Film Cooling Measurements for Novel Hole Configurations
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Topics: Compressed air, Compressible flow, Coolants, Cooling, Film cooling, Film flow, Flow measurement, Flow visualization, Heat, Heat transfer coefficients
Journal Articles

Effect of Tip and Pressure Side Coolant Injection on Heat Transfer Distributions for a Plane and Recessed Tip

Hasan Nasir, Srinath V. Ekkad, Ronald S. Bunker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2007, 129(1): 151–163.
https://doi.org/10.1115/1.2366540
Published Online: February 1, 2005
View Article titled, Effect of Tip and Pressure Side Coolant Injection on Heat Transfer Distributions for a Plane and Recessed Tip
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Topics: Blades, Coolants, Heat transfer, Pressure, Heat transfer coefficients
Journal Articles

Effect of Tip Gap and Squealer Geometry on Detailed Heat Transfer Measurements Over a High Pressure Turbine Rotor Blade Tip

Hasan Nasir, Srinath V. Ekkad, David M. Kontrovitz, Ronald S. Bunker, Chander Prakash
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2004, 126(2): 221–228.
https://doi.org/10.1115/1.1731416
Published Online: June 15, 2004
View Article titled, Effect of Tip Gap and Squealer Geometry on Detailed Heat Transfer Measurements Over a High Pressure Turbine Rotor Blade Tip
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Topics: Blades, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Pressure, Geometry, Leakage flows, Suction, Turbines
Journal Articles

Effect of Blade Tip Geometry on Tip Flow and Heat Transfer for a Blade in a Low-Speed Cascade

Vikrant Saxena, Hasan Nasir, Srinath V. Ekkad, Assistant Professor, Mem. ASME
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2004, 126(1): 130–138.
https://doi.org/10.1115/1.1643385
Published Online: March 26, 2004
View Article titled, Effect of Blade Tip Geometry on Tip Flow and Heat Transfer for a Blade in a Low-Speed Cascade
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Heat transfer, Heat transfer coefficients, Leakage flows, Wakes, Liquid crystals, Strips, Turbulence