Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Alex Torkaman"'
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 145
With the significant evolution of modern gas turbine engines, selection of high-temperature resistant alloys in the hot section is known to be the fundamental solution to enhance the capabilities of these engines. In general, the high-temperature com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b3eeef639e4f2eb3d12f62cc2f81007
https://doi.org/10.1115/1.4055920
https://doi.org/10.1115/1.4055920
Autor:
Alex Torkaman, Ramesh Keshava Bhattu
Publikováno v:
Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications.
Additive manufacturing is a transformative technology that can enable advanced designs for gas turbines that are not otherwise possible. While the expansion of design envelope can greatly contribute to improvement in efficiency and fuel flexibility o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f91581e4f8897cc680635dca88a72ea
https://doi.org/10.1115/gt2022-82484
https://doi.org/10.1115/gt2022-82484
Publikováno v:
Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications.
Industrial gas turbines are complex systems, and their proper analysis requires specific knowledge of the different components interacting with each other. One of the challenges is to accurately predict the overall performance of the system. To do so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76ee7ae01d514c809ed2e3455a856b0e
https://doi.org/10.1115/gt2022-82166
https://doi.org/10.1115/gt2022-82166
This paper describes an in-situ validation of advanced cooling designs for turbine airfoils using high accuracy Uniform Crystal Temperature Sensors (UCTS). This was achieved by running a rainbow test of UCTS instrumented parts with different cooling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc9049cf3b67a13f4e7584338662561b
https://doi.org/10.1115/1.0002662v
https://doi.org/10.1115/1.0002662v
Publikováno v:
Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration.
Accurate prediction of cycles to crack initiation in critical turbine components is a major issue in turbomachinery design, especially in components with highly concentrated stress such as turbine blades with cooling holes. Several viscoplastic and l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb0084d68e131a3857bb32481e3a3a2
https://doi.org/10.1115/gt2021-59608
https://doi.org/10.1115/gt2021-59608
Publikováno v:
Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering.
Emerging additive manufacturing technology offers many opportunities for improved cooling design in gas turbine components by enabling design of cooling passages and shapes that are not manufacturable with conventional methods. Many combustion compon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7732885f1c2a66fb5f76d2a733934aa1
https://doi.org/10.1115/gt2021-60201
https://doi.org/10.1115/gt2021-60201
Publikováno v:
Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering.
The accurate predication of aerodynamic flutter margin continues to be an area of growing importance in the design of rotating turbomachinery, especially when considering the ongoing industry objectives for increased operating efficiency, higher powe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e021bc362ef5e4a7ce12e21a2eb3f1fa
https://doi.org/10.1115/gt2021-58766
https://doi.org/10.1115/gt2021-58766
Publikováno v:
Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines.
In this paper, AM produced test samples of a IN939 derivative nickel-based alloy were tested for tensile, fatigue and creep properties at temperatures up to 871°C and compared to the traditional cast material. Initial results showed improved tensile
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a200db8d31b154c45c5ac2560ead4693
https://doi.org/10.1115/gt2020-14808
https://doi.org/10.1115/gt2020-14808
Publikováno v:
Volume 10B: Structures and Dynamics.
Engine components are subjected to both high temperatures and cyclic loads resulting in fatigue and creep effects. Directionally-solidified (DS) Ni-base superalloys were developed in order to produce favorable creep properties in the primary stress a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39a4c4fed7d5fc0e43e23e9af084482c
https://doi.org/10.1115/gt2020-16244
https://doi.org/10.1115/gt2020-16244
Publikováno v:
European Conference on Turbomachinery Fluid Dynamics and hermodynamics.
Computational Fluid Dynamics (CFD) solvers can be used for predicting aerodynamic stability of rotating turbomachinery. Frequency-domain methods offer increased computational efficiency for flutter applications. They enable the unsteady aerodynamic r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b42c238305fd717fb15055a935bfcb76
https://doi.org/10.29008/etc2019-088
https://doi.org/10.29008/etc2019-088