Results 131 to 140 of about 124,957 (333)

Engine cyclic durability by analysis and material testing [PDF]

open access: yes
The problem of calculating turbine engine component durability is addressed. Nonlinear, finite-element structural analyses, cyclic constitutive behavior models, and an advanced creep-fatigue life prediction method called strainrange partitioning were ...
Halford, G. R., Kaufman, A.
core   +1 more source

Skin Sensitisation and Dermatitis Among Epoxy‐Exposed Workers in a Wind Turbine Plant: Influence of Occupational Factors

open access: yesContact Dermatitis, EarlyView.
Epoxy resin sensitisation remains a relevant occupational risk in wind turbine blade manufacturing, confined to high‐exposure tasks and often presenting as hand dermatitis. Accurate diagnosis requires epoxy‐specific patch testing, and prevention must go beyond personal protective equipment.
Vítor Pinheiro   +9 more
wiley   +1 more source

Reasons for low aerodynamic performance of 13.5-centimeter-tip-diameter aircraft engine starter turbine [PDF]

open access: yes
The reasons for the low aerodynamic performance of a 13.5 cm tip diameter aircraft engine starter turbine were investigated. Both the stator and the stage were evaluated.
Haas, J. E., Hermann, P., Roelke, R. J.
core   +1 more source

Dynamic Capabilities as Drivers of Circular Business Models: Exploring Direct and Indirect Relationships

open access: yesJournal of Product Innovation Management, EarlyView.
ABSTRACT Academic Summary Despite the urgent need for a circular economy, firms' transition from linear to circular business models (CBMs) remains slow. While previous research suggests that dynamic capabilities are the key drivers of this transition, it assumes a direct link, overlooking that these capabilities can facilitate change but do not ...
Jörn Block   +4 more
wiley   +1 more source

Hydrogen to Power: Exploring Current Developments and Future Challenges

open access: yesNatural Sciences, Volume 6, Issue 3, July 2026.
As the interest in low‐carbon energy systems grows, hydrogen continues to attract attention as a flexible energy carrier for power applications. Developments in hydrogen production, storage, transport, and utilization are explored. In addition, the deployment challenges of hydrogen energy vector related to economics, infrastructure, safety, and ...
Md. Shafiullah   +6 more
wiley   +1 more source

The UTRC wind energy conversion system performance analysis for horizontal axis wind turbines (WECSPER) [PDF]

open access: yes, 1981
The theory for the UTRC Energy Conversion System Performance Analysis (WECSPER) for the prediction of horizontal axis wind turbine performance is presented.
Egolf, T. A., Landgrebe, A. J.
core   +1 more source

An Efficient Geometrically‐Exact Nonlinear Shell Formulation Based on Rodrigues Parameters

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Thin‐walled structures are part of many engineering applications, as wind turbine blades, pressure vessels, and sheet metal products. A thin‐walled structure is characterized by one significantly smaller dimension compared to the others.
Cinthia A. G. Sousa   +3 more
wiley   +1 more source

Heat transfer in the tip region of a rotor blade simulator [PDF]

open access: yes
In gas turbines, the blades of axial turbine stages rotate in close proximity to a stationary peripheral wall. Differential expansion of the turbine wheel, blades, and the shroud causes variations in the size of the clearance gap between blade tip and ...
Chyu, M. K., Metzger, D. E., Moon, H. K.
core   +1 more source

Ocean Wave Modulation of Offshore Wind Turbine Loads and Wake

open access: yesWind Energy, Volume 29, Issue 6, June 2026.
ABSTRACT This study examines how wave‐induced modulation affects the operational performance and structural dynamics of fixed‐bottom offshore wind turbines operating under a neutral atmospheric boundary layer profile. To capture these effects accurately while maintaining computational efficiency, unsteady RANS modelling techniques are employed.
Guillén Campaña‐Alonso   +2 more
wiley   +1 more source

Static-pressure contours in the blade passage at the tip of several high Mach number rotors [PDF]

open access: yes
Static pressure contours of turbine rotor blade tips at high Mach ...
Bailey, E. E., Miller, G. R.
core   +1 more source

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