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Journal Articles

Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages

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Hanlin Wang, Denali Klein, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081006.
Paper No: TURBO-24-1259
https://doi.org/10.1115/1.4067322
Published Online: January 13, 2025
View Articletitled, Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages
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Topics: Flow (Dynamics), Heat transfer, Turbulence, Liquid crystals, Reynolds number
Journal Articles

Investigation on the Flow and Heat Transfer Characteristics in a Multi-Pass Channel Using Magnetic Resonance Velocimetry and Transient Thermochromic Liquid Crystal

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Jingtian Duan, Ke Zhang, Zirui Wang, Ruishan Lu, Jiang Lei, Junmei Wu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121005.
Paper No: TURBO-23-1300
https://doi.org/10.1115/1.4065825
Published Online: July 23, 2024
View Articletitled, Investigation on the Flow and Heat Transfer Characteristics in a Multi-Pass Channel Using Magnetic Resonance Velocimetry and Transient Thermochromic Liquid Crystal
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Topics: Flow (Dynamics), Heat transfer, Transients (Dynamics), Liquid crystals, Magnetic resonance
Journal Articles

Investigation on Heat Transfer Distribution of Rotating Two-Pass Smooth and Ribbed Channels Under Aero-Engine Simulated Conditions

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Jiaxu Yao, Ke Zhang, Wenbin He, Jiang Lei, Jin Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121002.
Paper No: TURBO-23-1057
https://doi.org/10.1115/1.4063248
Published Online: October 9, 2023
View Articletitled, Investigation on Heat Transfer Distribution of Rotating Two-Pass Smooth and Ribbed Channels Under Aero-Engine Simulated Conditions
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Topics: Flow (Dynamics), Heat transfer, Rotation, Aircraft engines, Liquid crystals, Cooling
Journal Articles

Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and Computational Fluid Dynamics

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Martin Bruschewski, Carolin Wüstenhagen, Clemens Domnick, Robert Krewinkel, Chao-Cheng Shiau, Sven Grundmann, Je-Chin Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031010.
Paper No: TURBO-22-1157
https://doi.org/10.1115/1.4055611
Published Online: October 20, 2022
View Articletitled, Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Flow (Dynamics), Heat transfer, Magnetic resonance, Turbulence, Liquid crystals, Errors, Cooling systems
Journal Articles

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

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Srivatsan Madhavan, Prashant Singh, Srinath Ekkad
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061011.
Paper No: TURBO-21-1200
https://doi.org/10.1115/1.4053237
Published Online: February 24, 2022
View Articletitled, Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets
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Topics: Heat transfer, Heat transfer coefficients, Jets, Rotation, Flow (Dynamics), Fins, Reynolds number, Liquid crystals
Journal Articles

Experimental Investigation on Cooling Performance of Impingement–Effusion Full Coverage Film on Suction Surface of a Vane

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Fan Zhang, Cunliang Liu, Lin Ye, Bingran Li, Shuaiqi Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121007.
Paper No: TURBO-21-1047
https://doi.org/10.1115/1.4050952
Published Online: July 13, 2021
View Articletitled, Experimental Investigation on Cooling Performance of Impingement–Effusion Full Coverage Film on Suction Surface of a Vane
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Topics: Cooling, Film cooling, Heat transfer coefficients, Pressure, Suction, Transients (Dynamics), Liquid crystals, Blades
Journal Articles

Experimental Study of Turbulent Flow and Heat Transfer Behaviors Over a Micro-Rib-Dimple-Structured Surface

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Kuan Zheng, Wei Tian, Peng Zhang, Yu Rao, Hui Hu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101014.
Paper No: TURBO-20-1307
https://doi.org/10.1115/1.4050946
Published Online: May 19, 2021
View Articletitled, Experimental Study of Turbulent Flow and Heat Transfer Behaviors Over a Micro-Rib-Dimple-Structured Surface
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Topics: Cavities, Flow (Dynamics), Heat transfer, Pressure, Turbulence, Reynolds number, Transients (Dynamics), Liquid crystals
Journal Articles

Heat Transfer Characteristics Within the Matrix Cooling Channels

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Andallib Tariq, Anjana N. Prajapati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051007.
Paper No: TURBO-20-1085
https://doi.org/10.1115/1.4050113
Published Online: April 7, 2021
View Articletitled, Heat Transfer Characteristics Within the Matrix Cooling Channels
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Topics: Cooling, Heat transfer, Temperature, Flow (Dynamics), Ducts, Liquid crystals, Heat transfer coefficients
Journal Articles

Multipass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: 45-deg Angled Rib Turbulated Channels

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Prashant Singh, Yongbin Ji, Srinath V. Ekkad
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2019, 141(7): 071003.
Paper No: TURBO-18-1269
https://doi.org/10.1115/1.4042648
Published Online: February 15, 2019
View Articletitled, Multipass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: 45-deg Angled Rib Turbulated Channels
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Topics: Heat transfer, Reynolds number, Cooling, Liquid crystals, Heat transfer coefficients, Coriolis force, Pressure, Flow (Dynamics), Buoyancy, Thermography
Journal Articles

Application of the Transient Heat Transfer Measurement Technique Using Thermochromic Liquid Crystals in a Network Configuration With Intersecting Circular Passages

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Anika Steurer, Rico Poser, Jens von Wolfersdorf, Stefan Retzko
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051010.
Paper No: TURBO-18-1261
https://doi.org/10.1115/1.4041807
Published Online: January 25, 2019
View Articletitled, Application of the Transient Heat Transfer Measurement Technique Using Thermochromic Liquid Crystals in a Network Configuration With Intersecting Circular Passages
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Topics: Flow (Dynamics), Fluids, Temperature, Liquid crystals, Steady state, Transients (Dynamics), Computational fluid dynamics
Journal Articles

Crossover Jet Impingement in a Rib-Roughened Trailing-Edge Cooling Channel

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Mohammad E. Taslim, Fei Xue
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071007.
Paper No: TURBO-16-1289
https://doi.org/10.1115/1.4035570
Published Online: February 28, 2017
View Articletitled, Crossover Jet Impingement in a Rib-Roughened Trailing-Edge Cooling Channel
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Topics: Computational fluid dynamics, Cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Jets, Reynolds number, Geometry, Turbulence, Cavities
Journal Articles

Effect of Reynolds Number, Hole Patterns, and Hole Inclination on Cooling Performance of an Impinging Jet Array—Part I: Convective Heat Transfer Results and Optimization

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Weihong Li, Xueying Li, Li Yang, Jing Ren, Hongde Jiang, Phillip Ligrani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2017, 139(4): 041002.
Paper No: TURBO-16-1137
https://doi.org/10.1115/1.4035045
Published Online: January 4, 2017
View Articletitled, Effect of Reynolds Number, Hole Patterns, and Hole Inclination on Cooling Performance of an Impinging Jet Array—Part I: Convective Heat Transfer Results and Optimization
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Topics: Convection, Cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Jets, Optimization, Reynolds number, Temperature, Liquid crystals
Journal Articles

Aerothermal Characterization of a Rotating Ribbed Channel at Engine Representative Conditions—Part II: Detailed Liquid Crystal Thermography Measurements

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Ignacio Mayo, Aude Lahalle, Gian Luca Gori, Tony Arts
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2016, 138(10): 101009.
Paper No: TURBO-16-1035
https://doi.org/10.1115/1.4032927
Published Online: April 26, 2016
View Articletitled, Aerothermal Characterization of a Rotating Ribbed Channel at Engine Representative Conditions—Part II: Detailed Liquid Crystal Thermography Measurements
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Topics: Engines, Flow (Dynamics), Heat transfer, Liquid crystals, Reynolds number, Rotation, Temperature, Thermography, Uncertainty, Resolution (Optics)
Journal Articles

Aerothermal Investigation of a Single Row Divergent Narrow Impingement Channel by Particle Image Velocimetry and Liquid Crystal Thermography

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Alexandros Terzis, Christoforos Skourides, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2016, 138(5): 051003.
Paper No: TURBO-15-1141
https://doi.org/10.1115/1.4032328
Published Online: January 20, 2016
View Articletitled, Aerothermal Investigation of a Single Row Divergent Narrow Impingement Channel by Particle Image Velocimetry and Liquid Crystal Thermography
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Topics: Flow (Dynamics), Heat transfer, Jets, Liquid crystals, Particulate matter, Thermography, Reynolds number
Journal Articles

Improved Accuracy in Jet Impingement Heat Transfer Experiments Considering the Layer Thicknesses of a Triple Thermochromic Liquid Crystal Coating

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Alexandros Terzis, Stavros Bontitsopoulos, Peter Ott, Jens von Wolfersdorf, Anestis I. Kalfas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2016, 138(2): 021003.
Paper No: TURBO-15-1094
https://doi.org/10.1115/1.4031786
Published Online: November 3, 2015
View Articletitled, Improved Accuracy in Jet Impingement Heat Transfer Experiments Considering the Layer Thicknesses of a Triple Thermochromic Liquid Crystal Coating
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Topics: Coatings, Heat transfer, Heat transfer coefficients, Temperature, Uncertainty, Flow (Dynamics), Liquid crystals, Calibration
Journal Articles

Effect of Varying Jet Diameter on the Heat Transfer Distributions of Narrow Impingement Channels

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Alexandros Terzis, Peter Ott, Magali Cochet, Jens von Wolfersdorf, Bernhard Weigand
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2015, 137(2): 021004.
Paper No: TURBO-14-1155
https://doi.org/10.1115/1.4028294
Published Online: September 10, 2014
View Articletitled, Effect of Varying Jet Diameter on the Heat Transfer Distributions of Narrow Impingement Channels
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Topics: Heat transfer, Jets, Flow (Dynamics), Heat transfer coefficients, Liquid crystals
Journal Articles

Detailed Heat Transfer Distributions of Narrow Impingement Channels for Cast-In Turbine Airfoils

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Alexandros Terzis, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand, Magali Cochet
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2014, 136(9): 091011.
Paper No: TURBO-13-1228
https://doi.org/10.1115/1.4027679
Published Online: June 3, 2014
View Articletitled, Detailed Heat Transfer Distributions of Narrow Impingement Channels for Cast-In Turbine Airfoils
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Topics: Heat transfer, Heat transfer coefficients, Flow (Dynamics), Liquid crystals, Turbines, Airfoils
Journal Articles

Heat Transfer Coefficient Measurements on the Film-Cooled Pressure Surface of a Transonic Airfoil

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Paul M. Kodzwa, John K. Eaton
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061011.
Paper No: TURBO-11-1097
https://doi.org/10.1115/1.4023620
Published Online: September 13, 2013
View Articletitled, Heat Transfer Coefficient Measurements on the Film-Cooled Pressure Surface of a Transonic Airfoil
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Topics: Airfoils, Coolants, Density, Flow (Dynamics), Heat flux, Heat transfer, Heat transfer coefficients, Pressure, Temperature, Turbulence
Journal Articles

Bend Geometries in Internal Cooling Channels for Improved Thermal Performance

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Krishnendu Saha, Sumanta Acharya
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031028.
Paper No: TURBO-12-1128
https://doi.org/10.1115/1.4007582
Published Online: March 25, 2013
View Articletitled, Bend Geometries in Internal Cooling Channels for Improved Thermal Performance
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Topics: Cooling, Flow (Dynamics), Geometry, Heat transfer, Pressure drop, Reynolds number, Separation (Technology), Symmetry (Physics), Temperature, Heat transfer coefficients
Journal Articles

The Effects of Ribs and Tip Wall Distance on Heat Transfer for a Varying Aspect Ratio Two-Pass Ribbed Internal Cooling Channel

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Sean C. Jenkins, Frank Zehnder, Igor V. Shevchuk, Jens von Wolfersdorf, Bernhard Weigand, Martin Schnieder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021001.
Paper No: TURBO-09-1010
https://doi.org/10.1115/1.4006584
Published Online: October 31, 2012
View Articletitled, The Effects of Ribs and Tip Wall Distance on Heat Transfer for a Varying Aspect Ratio Two-Pass Ribbed Internal Cooling Channel
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Topics: Heat transfer, Cooling, Flow (Dynamics), Pressure, Liquid crystals