[HTML][HTML] Near-infrared imaging of heat transfer behavior between gadolinium and fluid during magnetization/demagnetization process of magnetocaloric effect

N Kakuta, K Uchida, H Nagano - Journal of Applied Physics, 2024‏ - pubs.aip.org
This paper reports on the application of a near-infrared (NIR) imaging system for visualizing
heat transfer dynamics from a bulk gadolinium (Gd) sample to the surrounding water during …

Near-infrared measurement of temperature fields formed by mixed convection from a small heating sphere in water

TA Nguyen, K Kondo, N Kakuta - International Journal of Thermal Sciences, 2022‏ - Elsevier
This study proposed a method for reconstructing three-dimensional (3D) non-axisymmetric
temperature fields in water formed by mixed convection surrounding a small heating sphere …

Experimental study on the initial thermal plumes produced by small heating plates in water

TA Nguyen, N Kakuta - Experimental Thermal and Fluid Science, 2023‏ - Elsevier
Herein, the evolution of initial thermal plumes (TPs) from small heating plates in water was
investigated using near-infrared (NIR) imaging. The imaging system comprised a telecentric …

Measurement of temperature-dependent diffusion coefficients of aqueous solutions by near-infrared simultaneous imaging of temperature and concentration

H Yamashita, N Kakuta, D Kawashima… - Biomedical Physics & …, 2018‏ - iopscience.iop.org
The diffusion coefficients of methanol, ethanol, ethylene glycol, and glucose in water, and
their temperature dependence are measured by analysing the simultaneously acquired …

Near-infrared measurement of axisymmetric temperature field formed by free convection from a 1-mm-diameter heating sphere in water

N Kakuta, Y Arakawa, M Kyoda, T Miyake… - International Journal of …, 2019‏ - Elsevier
This paper presents a method of reconstructing transient, three-dimensional axisymmetric
temperature fields in water formed by laminar free convection from a small heating sphere …

Near-infrared measurement of water temperature near micro-magnetic particle layer in a fluidic channel under induction heating

VC Han, N Kakuta - Experimental Thermal and Fluid Science, 2020‏ - Elsevier
This paper presents an experimental method for measuring the water temperature near
micro-magnetic particle (MMP) layers in a fluidic channel under induction heating. This …

Simultaneous near-infrared measurement of temperature and flow fields of a thermal plume arising in water

TA Nguyen, K Kondo, N Kakuta - Journal of Visualization, 2024‏ - Springer
This study proposes a method for the concurrent visualization and measurement of three-
dimensional (3D) temperature and flow fields in water, where a thermal plume arises from a …

Investigation of the Induction Heating Phenomenon of Sintered Coatings with Copper Powders

D Li, J Wei, H Zheng, G Sun, S Wang - JOM, 2023‏ - Springer
Via micro-and nano-structure design of a coating layer on the bottom of ceramic pots with
copper powders and low melting point glass powders, a simple and low-cost solution for …

[HTML][HTML] Detection of microplastics in water and ice

S Jang, JH Kim, J Kim - Remote Sensing, 2021‏ - mdpi.com
It is possible to detect various microplastics (MPs) floating on water or contained in ice due
to the unique optical characteristics of plastics of various chemical compositions and …

Near-infrared temperature measurement technique for water surrounding an induction-heated small magnetic sphere

N Kakuta, K Nishijima, Y Arakawa… - Journal of …, 2018‏ - pmc.ncbi.nlm.nih.gov
A technique to measure the temperature of water and non-turbid aqueous media
surrounding an induction-heated small magnetic sphere is presented. This technique …