3 papers
physics.app-ph2026
Quantitative comparison of heat flow, guarded-heater and AC Harman methods for thermoelectric module efficiency
Kenjiro Okawa, Yasutaka Amagai, Norihiko Sakamoto +1
The evaluation of thermoelectric conversion efficiency remains challenging owing to the lack of internationally standardized measurement protocols. Commonly used techniques -includ…
physics.app-ph2026
Reverse heat flow with Peltier-induced thermoinductive effect
Kenjiro Okawa, Yasutaka Amagai, Hiroyuki Fujiki +1
The concept of "thermal inductance" expands the options of thermal circuit design. However, the inductive component is the only missing components in thermal circuits, unlike their…
quant-ph2025
Current comparator for both AC and DC ratio measurements with 10-8-level accuracy
Hidekazu Muramatsu, Yuta Kainuma, Hiromitsu Kato +11
Accurate measurements of alternating current (AC) and direct current(DC) ratios are fundamental to electric power metrology. However, conventional current comparators for AC and DC…