Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Richard Amankwa Adjei"'
Autor:
Richard Amankwa Adjei, Chengwei Fan
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 18, Iss 1 (2024)
In this paper, a multi-objective optimization strategy for efficient design of turbomachinery blades using sparse active subspaces is implemented for a turbofan stage design. The proposed strategy utilized sparse polynomial chaos expansion on a limit
Externí odkaz:
https://doaj.org/article/97745f659efa47d0ac7eeed02198eb8e
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 144
This paper presents a multifidelity optimization strategy for efficient uncertainty quantification and robust optimization applicable to turbomachinery blade design. The proposed strategy leverages freeform parameterization technique for flexible geo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::151b7d91876ce62c95df6de32fba6d57
https://doi.org/10.1115/1.4055231
https://doi.org/10.1115/1.4055231
Publikováno v:
Aerospace Science and Technology. 136:108187
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a901dc4b9940172f10abd79a1001fccc
https://doi.org/10.1016/j.ast.2023.108187
https://doi.org/10.1016/j.ast.2023.108187
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 141
This paper describes an aerodynamic design optimization of a highly loaded compressor stator blade using parameterized free-form deformation (FFD). The optimization methodology presented utilizes a B-spline-based FFD control volume to map the blade f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65fad35e356dd15dafe779a250ab2151
https://doi.org/10.1115/1.4044692
https://doi.org/10.1115/1.4044692
Publikováno v:
Aerospace Science and Technology. 101:105842
In this paper, the effects of various parameters, especially three engineering parameters (twist, sweep, lean), on aerodynamic and structural performance of the fan blade were investigated. The change of blade geometry was realized by the free-form d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bad930a4ee9368db0b998cd84e9d29be
https://doi.org/10.1016/j.ast.2020.105842
https://doi.org/10.1016/j.ast.2020.105842
Publikováno v:
Volume 2B: Turbomachinery.
In most turbocharger compressors, diffusers a re designed with contractions along the passage mainly for delaying surge. The width ratio parameter, B, which defines the diffuser inlet width to diameter ratio significantly affects the losses in the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad79b85266e56d4a6a7eb147da450f3c
https://doi.org/10.1115/gt2018-76837
https://doi.org/10.1115/gt2018-76837
Publikováno v:
Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines.
In order to meet the requirements of automobile engines and marine-use diesel engines, turbochargers must be developed with high boost pressure and appreciably high levels of efficiency. The high pressure rise typically achieved in transonic compress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b5f4c8de2a1ad683d01f6cb41da5a78
https://doi.org/10.1115/gt2017-63887
https://doi.org/10.1115/gt2017-63887
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 139
Finite element simulations based on an interface cohesive zone model (CZM) have been developed to mimic the interfacial cracking behavior between the α−Al2O3 thermally grown oxide (TGO) and the aluminum-rich Pt–Al metallic bond coat (BC) during
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d34ec8f6faeefd8575137bb67b22421
https://doi.org/10.1115/1.4034259
https://doi.org/10.1115/1.4034259
Publikováno v:
Volume 7A: Structures and Dynamics.
In order to avoid the failure of bolted joints used on ultra-super critical steam turbine inner casing, their mechanical behavior should be strictly assessed, especially under the in-service conditions with steam temperature and pressure fluctuations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50e3efb6c0d5ad75c693f4c78ac555f9
https://doi.org/10.1115/gt2016-56723
https://doi.org/10.1115/gt2016-56723
Publikováno v:
Volume 7A: Structures and Dynamics.
Finite element simulations based on an interface cohesive zone model (CZM) have been developed to mimic the interfacial cracking behavior between the α-Al2O3 thermally grown oxide (TGO) and the aluminum rich Pt–Al metallic bond coat (BC) during co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae70877530b12059acbc8977160bb965
https://doi.org/10.1115/gt2016-56755
https://doi.org/10.1115/gt2016-56755