ERATO project (2023 - Present) • Magnetocaloric effect-based refrigeration technology
Heat transfer dynamics from a magnetocaloric material to the surrounding fluid, based on the temperature dependence of the absorption coefficient of water in the Near-Infrared region.
Highlighted paper: T.A. Nguyen, N. Kakuta, K. Uchida, H. Nagano, Near-infrared imaging of heat transfer behavior between gadolinium and fluid during magnetization/demagnetization process of magnetocaloric effect, J. Appl. Phys. 135, 193904 (2024). https://doi.org/10.1063/5.0207290
PhD project (2021-2023) • Simultaneous visualization and measurement of 3D temperature and flow fields
Concurrent assessment of 3D temperature and Particle Tracking Velocimetry within water is achieved through a transmission method involving back illumination. This method employs a telecentric system oriented in two orthogonal directions and utilizes two Near-Infrared cameras.
Highlighted paper: T.A. Nguyen, K. Kondo, N. Kakuta, Simultaneous near-infrared measurement of temperature and flow fields of a thermal plume arising in water, J. Vis. (2024). https://doi.org/10.1007/s12650-024-00997-9
PhD project (2021-2022) • Utilize inverse Abel transform to reconstruct the 3D information of temperature
Inverse Abel transform for reconstructing 3D non-axisymmetric temperature fields in water formed by mixed convection surrounding a small heating sphere. It is based on the temperature dependence of the absorption coefficient of water at a wavelength of 1150 nm in the near-infrared region.
Highlighted paper: T.A. Nguyen, K. Kondo, N. Kakuta, Near-infrared measurement of temperature fields formed by mixed convection from a small heating sphere in water, Int. J. Therm. Sci. 176 (2022). https://doi.org/10.1016/j.ijthermalsci.2022.107498.
PhD project (2020-2021) • Thermofluid simulation of nickel-based alloy in additive manufacturing
Selective laser melting (SLM) is an additive manufacturing process that creates a workpiece by selectively melting the powder with the laser beam to form the layers. In this research, a transient 3D model is developed to study the thermal behavior and the melt pool size in a single scan during the SLM process of nickel-based alloy IN718.