Flow Instabilities in boiling channels and their suppression methodologies—A review
Small modular reactors (SMRs) are gaining significant attention as a promising solution for
clean and sustainable nuclear-power generation. However, the operation of SMRs is subject …
clean and sustainable nuclear-power generation. However, the operation of SMRs is subject …
Fluidelastic instability of a fuel rod bundle subjected to combined axial flow and jet cross-flow
I Gad-el-Hak, N Mureithi, K Karazis - Journal of Fluids and Structures, 2023 - Elsevier
Nuclear fuel bundles are subjected to axial coolant flow in addition to jet cross-flow in a
specific design of pressurized water reactors (PWRs). The combined axial flow and jet cross …
specific design of pressurized water reactors (PWRs). The combined axial flow and jet cross …
Mitigation of PWR fuel assembly vibrations using bio-inspired nozzles
I Gad-el-Hak, N Mureithi, K Karazis, B Painter - Scientific Reports, 2023 - nature.com
Jet flows injected in a transverse flow need rapid and effective mixing for various
applications ranging from medicine injection into bloodstreams to nuclear pressurized water …
applications ranging from medicine injection into bloodstreams to nuclear pressurized water …
Numerical study on lead–bismuth cross-flow induced vibration in the elastic tube bundle
H Zhao, P Gao, X Li, R Tian - Annals of Nuclear Energy, 2024 - Elsevier
The physical properties of liquid lead–bismuth eutectic fluid are quite different from that of
water or air. It needs to be verified whether the cross-flow vibration mechanism and the …
water or air. It needs to be verified whether the cross-flow vibration mechanism and the …
Vibrations of PWR fuel assembly under axial coolant flow and oblique impingement of jet cross-flow from LOCA holes
I Gad-el-Hak, N Mureithi, K Karazis - Nuclear Engineering and Design, 2024 - Elsevier
Nuclear fuel bundles are exposed to localized normal impinging jet cross-flow at certain
locations along the fuel rod span in a specific design of pressurized water reactors (PWRs) …
locations along the fuel rod span in a specific design of pressurized water reactors (PWRs) …
Mechanism and risk assessment of baffle-jetting-induced vibrations in fuel rods
I Gad-el-Hak, N Mureithi, K Karazis, B Painter - Nuclear Engineering and …, 2024 - Elsevier
As nuclear reactor cores approach the end of their lifespans, it is a crucial aspect to ensure
that the structural integrity of the reactor internals is not affected. The baffle-former bolts are …
that the structural integrity of the reactor internals is not affected. The baffle-former bolts are …