Predicting the performance of a loop heat pipe considering evaporation from the meniscus at the three-phase contact line

Y Yamada, M Nishikawara, H Yanada… - Thermal Science and …, 2019 - Elsevier
This paper experimentally and numerically investigates the effect of the meniscus on the
heat-transfer of a loop heat pipe (LHP) evaporator as an aid in performance prediction. The …

Study on a loop heat pipe for a long-distance heat transport under anti-gravity condition

K Nakamura, K Odagiri, H Nagano - Applied Thermal Engineering, 2016 - Elsevier
This paper reports the test results and evaluation of gravity effects on long-distance loop
heat pipe (LLHP) with 10 m distances for heat transport. First, the LLHP was designed based …

[HTML][HTML] Optimization of wick shape in a loop heat pipe for high heat transfer

M Nishikawara, H Nagano - International Journal of Heat and Mass …, 2017 - Elsevier
This paper presents a method to optimize wick shape in the capillary evaporator of loop heat
pipes and capillary pumped loops. The evaporator heat-transfer coefficient is maximized …

Investigation on liquid-vapor interface behavior in capillary evaporator for high heat flux loop heat pipe

K Odagiri, H Nagano - International Journal of Thermal Sciences, 2019 - Elsevier
This paper reports a theoretical and experimental study on a thermo-fluid dynamics in an
evaporator of a loop heat pipe (LHP). A steady-state model that includes liquid–vapor …

Microscale infrared observation of liquid–vapor interface behavior on the surface of porous media for loop heat pipes

K Odagiri, M Nishikawara, H Nagano - Applied Thermal Engineering, 2017 - Elsevier
This paper reports on a visualization study investigating the characteristics of the liquid–
vapor interface behavior on the surface of a wick in the capillary evaporator of loop heat …

Three-dimensional lattice Boltzmann investigation on pore scale liquid–vapor distribution patterns and heat transfer performance of a loop heat pipe heterogeneous …

J Li, W Zheng, F Hong - International Communications in Heat and Mass …, 2021 - Elsevier
The pore scale numerical simulations on evaporation of a three-dimensional heterogeneous
porous wick capillary evaporator used in a loop heat pipe (LHP) are realized through using …

Loop heat pipes for thermal management of electric vehicles

R Singh, T Nguyen - Journal of Thermal Science …, 2022 - asmedigitalcollection.asme.org
The present paper investigates the potential of loop heat pipe (LHP), with respect to
technological merits and application niche, in automotive thermal management. Broadly …

Characteristics of phase-change heat transfer in a capillary evaporator based on microscale infrared/visible observation

K Odagiri, H Nagano - International Journal of Heat and Mass Transfer, 2019 - Elsevier
In this study, the characteristic of liquid–vapor interface behavior in a capillary evaporator of
loop heat pipes (LHPs) is studied experimentally and theoretically. The behavior of a phase …

Numerical study on heat-transfer characteristics of loop heat pipe evaporator using three-dimensional pore network model

M Nishikawara, H Nagano, M Prat - Applied Thermal Engineering, 2017 - Elsevier
An important consideration while designing the shape of a capillary evaporator is the phase
distribution in the wick. However, the distribution depends on the working fluids and porous …

Numerical study of flow and heat transfer in the vapour grooves of a loop heat pipe evaporator

PY Fravallo, M Prat, V Platel - International Journal of Thermal Sciences, 2022 - Elsevier
A three-dimensional numerical study is developed to investigate the heat and mass transfer
in the vapour removal channels of a Loop Heat Pipe (LHP). The heat transfer governing …