Crystal plasticity analysis of fatigue-creep behavior at cooling holes in single crystal Nickel based gas turbine blade components

C Skamniotis, N Grilli, ACF Cocks - International Journal of Plasticity, 2023 - Elsevier
We build a crystal plasticity finite element framework to investigate slip localisation and
fatigue-creep behaviour at the cooling holes of single crystal Nickel (Ni) based components …

Thermal radiation correction formula of the scaling criteria for film cooling of turbine blades

H Li, M Wang, R You, S Liu - Energy, 2023 - Elsevier
Adiabatic effectiveness (η) is the most important parameter for evaluating film cooling
capacity. For turbine blades, it is usually based on the scaling criteria to achieve the …

[HTML][HTML] Fatigue-creep design of transpiration cooled Nickel gas turbine blades via low order aerothermal-stress and Crystal Plasticity Finite Element modelling

C Skamniotis, M van de Noort, ACF Cocks… - International Journal of …, 2025 - Elsevier
Transpiration Cooling (TC) systems can substantially improve the fuel efficiency of jet
engines by allowing them to run much hotter than current designs allow. However, TC …

[HTML][HTML] On the effect of nuclear fission cladding stresses on Zirconium hydride orientation and dislocation strain energy fields via discrete dislocation plasticity and …

C Skamniotis, D Long, M Wenman, DS Balint - Journal of the Mechanics …, 2025 - Elsevier
The diffusion of hydrogen in Zircalloy fuel cladding components and its associated delayed
hydride cracking (DHC) mechanism remain a bottleneck in nuclear fission. Through Crystal …

Comprehensive evaluation on conjugate heat transfer and thermal stress performance of film cooling

S Wang, X Li, J Ren - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Film cooling is a commonly used cooling technology in gas turbines, which could reduce
heat load by spreading cooling air. However, it faces the problem of stress concentration in …

The effect of temperature dependent elastic anisotropy on residual stresses and ratcheting in transpiration cooled Nickel gas turbine blades

K Qiu, Y Liu, S Gill, C Skamniotis - European Journal of Mechanics-A …, 2025 - Elsevier
The conditions required for the ratcheting of a structure due to thermal and load cycling are
typically calculated assuming a constant Young's modulus throughout the cycle. We show …

[HTML][HTML] Combining high power laser modules with compound parabolic concentrators to test components at high heat fluxes

Z Jackson, A Bebb, P Ireland, J Nicholas - Applied Thermal Engineering, 2024 - Elsevier
Assessing the performance and lifetime of components is a key step towards deploying new
technologies in the aerospace and fusion sectors. Experimental testing at representative …

[HTML][HTML] On the interaction of grain-scale and hydride-scale stresses in hydrogen enriched zirconium alloy nuclear cladding via combined discrete dislocation plasticity …

C Skamniotis, D Long, L Yang, M Wenman… - Mechanics of Materials, 2024 - Elsevier
The interaction of Zircaloy fuel cladding components with coolant water in a nuclear reactor
leads to embrittlement and potentially delayed hydride cracking (DHC). We explore rate …