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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

Martin Bruschewski, Carolin Wüstenhagen, Clemens Domnick, Robert Krewinkel, Chao-Cheng Shiau, Sven Grundmann, Je-Chin Han
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031010.
Paper No: TURBO-22-1157
DOI: https://doi.org/10.1115/1.4055611
Published Online: October 20, 2022
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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

Srivatsan Madhavan, Prashant Singh, Srinath Ekkad
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061011.
Paper No: TURBO-21-1200
DOI: https://doi.org/10.1115/1.4053237
Published Online: February 24, 2022
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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

Fan Zhang, Cunliang Liu, Lin Ye, Bingran Li, Shuaiqi Zhang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121007.
Paper No: TURBO-21-1047
DOI: https://doi.org/10.1115/1.4050952
Published Online: July 13, 2021
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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

Kuan Zheng, Wei Tian, Peng Zhang, Yu Rao, Hui Hu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101014.
Paper No: TURBO-20-1307
DOI: https://doi.org/10.1115/1.4050946
Published Online: May 19, 2021
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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

Andallib Tariq, Anjana N. Prajapati
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051007.
Paper No: TURBO-20-1085
DOI: https://doi.org/10.1115/1.4050113
Published Online: April 7, 2021
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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

Prashant Singh, Yongbin Ji, Srinath V. Ekkad
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2019, 141(7): 071003.
Paper No: TURBO-18-1269
DOI: https://doi.org/10.1115/1.4042648
Published Online: February 15, 2019
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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

Anika Steurer, Rico Poser, Jens von Wolfersdorf, Stefan Retzko
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051010.
Paper No: TURBO-18-1261
DOI: https://doi.org/10.1115/1.4041807
Published Online: January 25, 2019
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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

Mohammad E. Taslim, Fei Xue
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071007.
Paper No: TURBO-16-1289
DOI: https://doi.org/10.1115/1.4035570
Published Online: February 28, 2017
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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

Weihong Li, Xueying Li, Li Yang, Jing Ren, Hongde Jiang, Phillip Ligrani
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2017, 139(4): 041002.
Paper No: TURBO-16-1137
DOI: https://doi.org/10.1115/1.4035045
Published Online: January 4, 2017
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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

Ignacio Mayo, Aude Lahalle, Gian Luca Gori, Tony Arts
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. October 2016, 138(10): 101009.
Paper No: TURBO-16-1035
DOI: https://doi.org/10.1115/1.4032927
Published Online: April 26, 2016
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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

Alexandros Terzis, Christoforos Skourides, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2016, 138(5): 051003.
Paper No: TURBO-15-1141
DOI: https://doi.org/10.1115/1.4032328
Published Online: January 20, 2016
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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

Alexandros Terzis, Stavros Bontitsopoulos, Peter Ott, Jens von Wolfersdorf, Anestis I. Kalfas
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2016, 138(2): 021003.
Paper No: TURBO-15-1094
DOI: https://doi.org/10.1115/1.4031786
Published Online: November 3, 2015
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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

Alexandros Terzis, Peter Ott, Magali Cochet, Jens von Wolfersdorf, Bernhard Weigand
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2015, 137(2): 021004.
Paper No: TURBO-14-1155
DOI: https://doi.org/10.1115/1.4028294
Published Online: September 10, 2014
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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

Alexandros Terzis, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand, Magali Cochet
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2014, 136(9): 091011.
Paper No: TURBO-13-1228
DOI: https://doi.org/10.1115/1.4027679
Published Online: June 3, 2014
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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

Paul M. Kodzwa, John K. Eaton
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061011.
Paper No: TURBO-11-1097
DOI: https://doi.org/10.1115/1.4023620
Published Online: September 13, 2013
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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

Krishnendu Saha, Sumanta Acharya
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031028.
Paper No: TURBO-12-1128
DOI: https://doi.org/10.1115/1.4007582
Published Online: March 25, 2013
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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

Sean C. Jenkins, Frank Zehnder, Igor V. Shevchuk, Jens von Wolfersdorf, Bernhard Weigand, Martin Schnieder
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021001.
Paper No: TURBO-09-1010
DOI: https://doi.org/10.1115/1.4006584
Published Online: October 31, 2012
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Topics: Heat transfer, Cooling, Flow (Dynamics), Pressure, Liquid crystals
Journal Articles

Detailed Heat Transfer Distributions in Engine Similar Cooling Channels for a Turbine Rotor Blade With Different Rib Orientations

Christopher LeBlanc, Srinath V. Ekkad, Tony Lambert, Veera Rajendran
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011034.
Paper No: TURBO-11-1094
DOI: https://doi.org/10.1115/1.4006387
Published Online: October 31, 2012
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Topics: Blades, Cooling, Engines, Flow (Dynamics), Heat transfer, Pressure drop, Reynolds number, Rotors, Geometry, Turbines
Journal Articles

Heat Transfer Enhancement in a Rectangular (AR = 3:1) Channel With V-Shaped Dimples

C. Neil Jordan, Lesley M. Wright
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011028.
Paper No: TURBO-11-1169
DOI: https://doi.org/10.1115/1.4006422
Published Online: October 30, 2012
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Topics: Heat transfer, Reynolds number, Temperature, Transients (Dynamics), Heat transfer coefficients, Liquid crystals, Flow (Dynamics)
Journal Articles

Heat Transfer and Pressure Drop Measurements in a Rib Roughened Leading Edge Cooling Channel

Norbert Domaschke, Jens von Wolfersdorf, Klaus Semmler
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061006.
DOI: https://doi.org/10.1115/1.4004747
Published Online: August 27, 2012
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Topics: Flow (Dynamics), Heat transfer, Pressure, Reynolds number, Temperature, Pressure drop, Liquid crystals, Cooling, Suction, Transients (Dynamics)