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1-15 of 15
Keywords: additive manufacturing
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Journal Articles
Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071009.
Paper No: TURBO-24-1199
Published Online: December 11, 2024
... life-limited engine components. Moreover, additively manufactured (AM) hardware is becoming more prevalent in the engine development cycle to reduce component lead times and associated costs. Although additive manufacturing unlocks unique capabilities for sensor integration, the inherent roughness from...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061010.
Paper No: TURBO-24-1172
Published Online: November 22, 2024
...Nicholas L. Gailey; Michael D. Barringer; Reid A. Berdanier; Karen A. Thole Additive manufacturing (AM) has emerged as a method to prototype novel designs for turbine airfoil cooling with complex internal and film cooling geometries. Creating engine scale features with AM comes with challenges...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051008.
Paper No: TURBO-23-1279
Published Online: January 16, 2024
...Alexander J. Wildgoose; Karen A. Thole; Erika Tuneskog; Lieke Wang The complex surface morphology and multiscale surface features inherent in additively manufactured (AM) components contribute to the overall flow characteristics and heat transfer of cooling passages. As the AM process and cooling...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061001.
Paper No: TURBO-23-1297
Published Online: January 16, 2024
...Niccolò Castelli; Umberto Sandri; Alessio Picchi; Bruno Facchini; Francesco Morante; Simone Cubeda The capabilities and the precision of additive manufacturing processes have been tremendously increased in the last years, and this trend is not expected to be close to an end. Researchers, in the gas...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2023, 145(10): 104501.
Paper No: TURBO-23-1040
Published Online: June 26, 2023
...Alexander J. Wildgoose; Karen A. Thole Additive manufacturing (AM), particularly laser powder bed fusion, is growing the ability to rapidly develop advanced cooling schemes for turbomachinery applications. However, to fully utilize the design and development opportunities offered through AM...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081013.
Paper No: TURBO-22-1265
Published Online: May 22, 2023
...Serge Meynet; Alexis Barge; Vincent Moureau; Guillaume Balarac; Ghislain Lartigue; Abdellah Hadjadj In the last decade, progresses in additive manufacturing (AM) have paved the way for optimized heat exchangers whose disruptive design will heavily rely on predictive numerical simulations. However...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041013.
Paper No: TURBO-22-1160
Published Online: November 7, 2022
...Alexander J. Wildgoose; Karen A. Thole; Ramesh Subramanian; Lisa Kersting; Anand Kulkarni By leveraging the additive manufacturing (AM) platform, development time and costs for turbine component testing can be reduced relative to traditional investment casting. Surface roughness is a key...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081002.
Paper No: TURBO-21-1242
Published Online: March 3, 2022
...Lorenzo Mazzei; Riccardo Da Soghe; Cosimo Bianchini It is well known from the literature that surface roughness significantly affects friction and heat transfer. This is even more evident for additive manufactured (AM) components, which are taking an increasingly important role in the gas turbine...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031011.
Paper No: TURBO-21-1177
Published Online: October 18, 2021
... as these alloys are prone to crack formation. In this work, specimens of IN738LC are fabricated on a Coherent Creator laser powder bed fusion (L-PBF) additive manufacturing (AM) equipment. Optical microscopy (OM), scanning electron microscopy (SEM), electron backscatter diffraction (EBSD), and X-ray diffraction...
Journal Articles
Lorenzo Pinelli, Andrea Amedei, Enrico Meli, Federico Vanti, Benedetta Romani, Gianluigi Benvenuti, Marco Fabbrini, Nicolò Morganti, Andrea Rindi, Andrea Arnone
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011006.
Paper No: TURBO-20-1302
Published Online: September 7, 2021
... components. In this field, structural topology optimization methods together with additive manufacturing techniques for high-resistant alloys are considered very promising tools, but their potentialities have not been deeply investigated yet for critical rotating components like new-generation turbine blades...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071004.
Paper No: TURBO-20-1339
Published Online: April 9, 2021
... outer casing of the probe is additively manufactured with a high-precision binder jetting technique. In terms of aerodynamic performance, the probe demonstrates high angular sensitivity up to ± 18 deg incidence angle in both directions. To evaluate the measurement accuracy of the newly developed FRAP-4S...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071003.
Paper No: TURBO-20-1283
Published Online: April 8, 2021
...Alexander J. Wildgoose; Karen A. Thole; Paul Sanders; Lieke Wang The use of additive manufacturing (AM) processes, such as direct metal laser sintering, provides the design freedom required to incorporate complex cooling schemes in gas turbine components. Additively manufactured turbine components...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061004.
Paper No: TURBO-19-1305
Published Online: May 12, 2020
... and Numerical Analysis of Additively Manufactured Coupons With Parallel Channels and Inline Wall Jets ,” ASME. J. Turbomach. , 141 ( 6 ), p. 61004 . 10.1115/1.4041821 [12] Stimpson , C. K. , Snyder , J. C. , Thole , K. A. , and Mongillo , D. , 2016 , “ Scaling Roughness Effects...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2020, 142(4): 041009.
Paper No: TURBO-20-1013
Published Online: March 17, 2020
... relevant Mach number. An experimental investigation was conducted to study the SJ film cooling on a nozzle guide vane suction surface. A well-established additive manufacturing technique commonly known as stereolithography (SLA) was utilized to design a transonic, engine representative vane geometry...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031009.
Paper No: TURBO-18-1290
Published Online: January 16, 2019
... efficiency with less coolant consumption compared to film cooling, the fine pore structure and high porosity in transpiration cooling metal media always raised difficulties in conventional manufacturing. Recently, the rapid development of additive manufacturing (AM) has provided a new perspective to address...