Publications – Thermal-Hydraulic Research Laboratory

C. Menezes, T. Melsheimer, D. W. Pyler, M. Kinsky, Y. A. Hassan Flow characteristics within an interior subchannel of a 61-pin wire-wrapped hexagonal rod bundle with a porous blockage Physics of Fluids 35 (2), 027106, 2023.
C. F. Matozinhos, Y. A. Hassan Scale-resolving simulations of the flow in a nuclear fuel bundle with a channel spacer grid using partially averaged Navier–Stokes and large-eddy simulation Physics of Fluids 35 (1), 015115, 2023.
J. Lee, P. Balestra, R. Muyshondt, D. T. Nguyen, R. Skifton, Y. A. Hassan Validation of Pronghorn Pressure Drop Correlations Against Pebble Bed Experiments Nuclear Technology 208 (12), 1769-1805, 2022.
H. Kim, J. Seo, Y. A. Hassan Prediction of flow regime boundary and pressure drop for hexagonal wire-wrapped rod bundles using artificial neural networks Physics of Fluids 34 (10), 107103, 2022.
O. Bovati, Y. A. Hassan Implementation of a CFD methodology for computing subchannel friction factors and split parameters in wire-wrapped rod bundles Nuclear Engineering and Design 397, 111952, 2022.
L. M. Alawneh, R. Vaghetto, G. Harold, Y. A. Hassan Conceptual design of a 3 MWth yttrium hydride moderated heat pipe cooled micro reactor Nuclear Engineering and Design 397, 111931, 2022.
C. F. Matozinhos, A. D. Carroll III, C. Menezes, R. Vaghetto, Y. A. Hassan Experimental measurements of fluid flow in an 84-pin hexagonal rod bundle with spacer grid for a gas-cooled fast modular reactor International Journal of Heat and Fluid Flow 97, 109014, 2022.
A. Alwafi, T. Nguyen, Y. Hassan, N. K. Anand, Y. A. Hassan Experimental analysis of a non-isothermal confined impinging single plume using time-resolved particle image velocimetry and planar laser induced fluorescence measurements International Journal of Heat and Mass Transfer 193, 122952, 2022.
Y. M. Chen, S. K. Chen, Y. A. Hassan The blockage model of Upgraded Cheng and Todreas correlation for pressure drop in hexagonal wire-wrapped rod bundles Nuclear Engineering and Design 395, 111874, 2022.
M. El Mellouki, S. Bhushan, C. Pilmaier, D. K. Walters, M. Gorman, B. Hollrah, Y. A. Hassan Validation of Low and High-Fidelity Turbulence Models for Prediction of Turbulent Heat Transfer in Low Prandtl Number Flows Under Buoyant and Separated Flow Conditions Presented at the Fluids Engineering Division Summer Meeting 85840, V002T05A008, 2022.
M. A. Yildiz, E. Merzari, T. Nguyen, Y. A. Hassan Modal Decomposition of the Flow in a Randomly Packed Pebble Bed with Direct Numerical Simulation Nuclear Technology 208 (8), 1279-1289, 2022.
V. M. Ugaz, V. Ravisankar, Y. A. Hassan Quantification of Physicical Processes Driving Assembly of Protocell-like Vesicles in Micro-Scale Hydrothermal Pores Presented at the 2022 Goldschmidt Conference.
J. Seo, D. Kim, H. Kim, Y. A. Hassan Design optimization of gap distance for the capillary limitation of a heat pipe with annular-type wick structure Physics of Fluids 34 (6), 067116, 2022.
B. H. Choi, N. K. Anand, P. Sabharwall, Y. A. Hassan Large eddy simulation of flow through an axisymmetric sudden expansion Physics of Fluids 34 (6), 065117, 2022.
S. Lee, Y. A. Hassan Flow structures of the cross-flow over a five-layer helically coiled steam generator geometry International Journal of Heat and Fluid Flow 95, 108950, 2022.
C. Menezes, A. D. Carroll III, C. F. Matozinhos, R. Vaghetto, Y. A. Hassan Turbulent flow characteristics in an 84-pin rod bundle for typical and damaged spacer grids Physics of Fluids 34 (5), 055103, 2022.
C. Menezes, R. Vaghetto, Y. A. Hassan Experimental investigation of the subchannel axial pressure drop and hydraulic characteristics of a 61-pin wire wrapped rod bundle Journal of Fluids Engineering 144 (5), 051403, 2022.
J. Seo, D. Kim, H. Kim, Y. A. Hassan An experimental investigation on the characteristics of heat pipes with annular type composite wick structure Nuclear Engineering and Design 390, 111701, 2022.
J. Lee, S. King, T. Nguyen, P. Balestra, S. Schunert, G. Guidicelli, Y. A. Hassan Pronghorn Porous Media Model Validation with Pressure Drop Measurements Presented at The 19th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, 2022.
D. Orea, L. Al-Mahbobi, R. Vaghetto, Y. A. Hassan Temperature dependence of laser induced fluorescence in molten LiF-NaF-KF Eutectic using Tb3+, Eu3+, and Dy3+ Journal of Luminescence 243, 118641, 2022.
D. Holler, M. Avramova, C. Takasugi, R. Vaghetto, Y. A. Hassan Phase 1 Specifications and preliminary sensitivity analyses of the OECD-NRC liquid metal fast reactor core thermal-hydraulics benchmark Proceedings of the international conference on physics of reactors-PHYSOR 2022.
O. Bovati, M. A. Yildiz, R. Vaghetto, Y. A. Hassan Pressure drop and flow characteristics in partially blocked wire wrapped rod bundles Annals of Nuclear Energy 165, 108671, 2022.
D. E. Chavez, S. R. Yang, R. Vaghetto, Y. A. Hassan Experimental investigation of single helium bubbles rising in FLiNaK molten salt International Journal of Heat and Fluid Flow 92, 108875, 2021.
S. Taghizadeh, F. D. Witherden, S. S. Girimaji, Y. A. Hassan Turbulence closure modeling with data-driven techniques: Investigation of generalizable deep neural networks Physics of fluids 33 (11), 115132, 2021.
R. Muyshondt, N. K. Anand, T. Nguyen, Y. A. Hassan Flow and heat transfer in the wake of a triangular arrangement of spheres Physics of Fluids 33 (11), 115127, 2021.
S. Bhushan, M. Elmellouki, D. K. Walters, M. Gorman, B. Hollrah, Y. A. Hassan Assessment of Low and High-Fidelity Turbulence Models for Liquid Metal Flow Predictions Presented at the ASME International Mechanical Engineering Congress and Exposition 85673, 2021.
L. Shao, R. Vaghetto, H. H. Frost, T. D. Parker, Y. A. Hassan Thorium molten salt system using internally generated proton-induced neutrons US Patent 11,114,212, 2021.
H. Kim, Y. M. Chen, Y. A. Hassan Prediction of pressure drop in hexagonal wire-wrapped rod bundles using artificial neural network Nuclear Engineering and Design 381, 111365, 2021.
O. Arora, B. Lancaster, S. R. Yang, R. Vaghetto, Y. A. Hassan Advanced flow and temperature measurements in a forced convection molten salt test loop Annals of Nuclear Energy 159, 108269, 2021.
O. Bovati, M. A. Yildiz, R. Vaghetto, Y. A. Hassan RANS simulations for transition and turbulent flow regimes in wire-wrapped rod bundles International Journal of Heat and Fluid Flow 90, 108838, 2021.
J. Yoo, C. E. E. Perez, Y. A. Hassan Force balance model predictions of sliding bubbles velocity in vertical subcooled boiling flow International Journal of Heat and Mass Transfer 175, 121368, 2021.
R. Muyshondt, T. Nguyen, N. K. Anand, Y. A. Hassan Experimental measurements of the wake of a sphere at subcritical Reynolds numbers Journal of Fluids Engineering 143 (6), 2021.</li
J. Seo, S. Lee, S. R. Yang, Y. A. Hassan Experimental investigation of the annular flow caused by convective boiling in a heated annular channel Nuclear Engineering and Design 376, 111088, 2021.
M. Childs, R. Vaghetto, P. Jones, N. Goth, Y. A. Hassan Experimental determination and analysis of the transverse pressure difference in a wire-wrapped rod bundle International Journal of Heat and Mass Transfer 170, 120958, 201.
T. Nguyen, S. King, Y. A. Hassan Experimental investigation of turbulent characteristics in pore-scale regions of porous media Experiments in Fluids 62, 1-27, 2021.
C. F. Matozinhos, G. C. Q. Tomaz, T. Nguyen, Y. A. Hassan Experimental investigation of turbulent flow characteristics in cross-flow planes of a 5× 5 rod bundle with a spacer grid International Journal of Heat and Fluid Flow 87, 108757, 2021.
D. Orea, R. Chavez, D. T. Nguyen, R. Vaghetto, N. K. Anand, Y. A. Hassan Particle Deposition Study in a Horizontal Square Channel Using High-Resolution Imaging EPJ Web of Conferences 247, 10011, 2021.
R. Vaghetto, S. Yang, D. Hodge, Y. A. Hassan Two-phase flow measurements and observations in a cooling panel of the reactor cavity cooling system Progress in Nuclear Energy 131, 103578, 2021.