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Keywords: film cooling
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051010.
Paper No: TURBO-23-1241
Published Online: January 16, 2024
...S. Galeotti; T. Bacci; A. Picchi; B. Facchini; S. Cubeda Film-cooling injection significantly affects the thermal behavior of turbine vane surfaces. In addition to the beneficial effect of the film shielding the vane from the hot gas flow, alteration of the thermal boundary layer should also...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021012.
Paper No: TURBO-22-1106
Published Online: November 16, 2023
...Chen Li; Baitao An; Jianjun Liu The coolant jet interaction has a great influence on the superposition prediction of multirow film cooling. Although there have been many efforts to reveal the mechanics of additive effect in multirow film cooling, the available knowledge about developing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011008.
Paper No: TURBO-23-1012
Published Online: October 31, 2023
... bases for the difference, separated in terms of changes in five local surface boundary conditions. We do this using a bespoke conjugate thermal model which includes models of both the internal cooling and the external film cooling layer. Three typical cooling architectures are studied. The results allow...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101004.
Paper No: TURBO-22-1365
Published Online: July 28, 2023
... urbomachinery . 30 12 2022 20 06 2023 20 06 2023 28 07 2023 computational fluid dynamics (CFD) heat transfer film cooling U.S. Department of Energy 10.13039/100000015 DE-FE0001730 The growth of additive manufacturing (AM) has significantly expanded...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041016.
Paper No: TURBO-22-1253
Published Online: January 9, 2023
... Measurements in a Nozzle Guide Vane Passage With a Low Aspect Ratio and Endwall Contouring ,” ASME J. Turbomach. , 122 ( 4 ), pp. 659 – 666 . 10.1115/1.1312799 [7] Blair , M. F. , 1974 , “ An Experimental Study of Heat Transfer and Film Cooling on Large-Scale Turbine Endwalls ,” J. Heat...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061009.
Paper No: TURBO-22-1229
Published Online: January 9, 2023
... pressure at the jet orifice inlet forces the gas to turn up 90 deg, and then flows downstream along the top under the restriction of the channel wall, and finally, this part of gas forms streamwise vortex in the process of mixing with the coolant. Table 5 Flow parameters with different film cooling...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121004.
Paper No: TURBO-22-1124
Published Online: September 15, 2022
...Mingyang Hao; Bo Bai; Yuanyuan Li; Zhigang Li; Jun Li With increasing aerodynamic and thermal loads, film cooling has been a popular technology integrated into the design of the modern gas turbine vane endwall, especially for the first-stage vane endwall. A staggering amount of research has been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111013.
Paper No: TURBO-22-1120
Published Online: September 13, 2022
...Haiteng Ma; Wei Zeng; Siming Dai; Hongmei Jiang Film cooling, as a key technology to ensure turbine survival in new generation gas turbines, has been studied profusely in subsonic flows. But in transonic flow, the determination of adiabatic cooling effectiveness faces a dilemma in the state...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091005.
Paper No: TURBO-20-1191
Published Online: March 4, 2022
...Chen Li; Baitao An; Jianjun Liu The coolant flow condition at the film hole entrance has a notable effect on film cooling effectiveness. The previous studies about internal ribbed crossflow effects are the hole with a circular inlet cross section. In this study, a diffusion slot hole with a race...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
Published Online: March 4, 2022
... for publication in the J ournal of T urbomachinery . 25 08 2021 01 02 2022 01 02 2022 04 03 2022 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in gas turbine combustors heat transfer film cooling effusion modeling reduced-order model...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051002.
Paper No: TURBO-21-1082
Published Online: November 15, 2021
...) of ASME for publication in the J ournal of T urbomachinery . 26 04 2021 23 09 2021 23 09 2021 15 11 2021 heat transfer film cooling turbine blade tip measurement advancements In high-pressure turbines (HPT), complex over-tip-leakage (OTL) flow occurs within...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041006.
Paper No: TURBO-21-1054
Published Online: November 5, 2021
...Haifeng Xing; Lei Luo; Wei Du; Songtao Wang The direct prediction model for adiabatic film cooling effectiveness distribution and inverse prediction model for design parameters are studied in this article. Convolutional neural networks (CNNs) are trained on a set of simulated adiabatic film cooling...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011012.
Paper No: TURBO-21-1044
Published Online: September 21, 2021
... in subsonic linear cascade decades ago. Film cooling effectiveness and heat transfer coefficient (HTC) were measured under various blowing ratios and tip clearances [ 8 , 9 ], as well as for different hole locations [ 10 ]. In highly loaded turbine stage such as single stage HPT, flow can become transonic...