Thermal characteristics of a compact LED luminaire with a cooling system based on heat pipes

DV Pekur, VM Sorokin, YE Nikolaenko - Thermal Science and Engineering …, 2020 - Elsevier
To increase the compactness of a LED luminaire, in this work it has been suggested to use 8
radial thermal pipes as a heat sink from a COB (Chip-on-Board) matrix to the heat-transfer …

Comparison of thermal characteristics of three modifications of gravity heat pipe with threaded evaporator at different inclination angles

DV Pekur, YE Nikolaenko, VY Kravets… - Thermal Science and …, 2023 - Elsevier
In this paper, the thermal characteristics of three modifications of a gravity heat pipe with a
threaded evaporator (cylindrical, semi-flattened, and flattened) under natural convection …

Experimental study on characteristics of gravity heat pipe with threaded evaporator

YE Nikolaenko, DV Pekur, VM Sorokin… - Thermal Science and …, 2021 - Elsevier
This work is for the first time an experimental study of thermal characteristics of an copper
gravity heat pipe (thermosyrhon) with an outer diameter of 12 mm and a length of 230 mm …

Heataerodynamic efficiency of small size heat transfer surfaces for cooling thermally loaded electronic components

VA Rohachev, OM Terekh, AV Baranyuk… - Thermal Science and …, 2020 - Elsevier
Heat transfer surfaces are widely used to ensure normal thermal conditions of heat-
generating elements in radar transmit/receive modules, computing systems, power …

Simulation investigation of the effect of heating temperature and porosity of porous media on the water evaporation process

L Wang, Y Lu, W Zhang, Z Yang - International Journal of Chemical …, 2023 - degruyter.com
In the study, carbon fiber as porous media, water and vapor as liquid and gas phases,
respectively, the evaporation process of multiphase fluid in carbon fiber was explored based …

Sensitivity analysis of cavity-transpiration combined thermal protection structure based on fuzzy grey relational analysis

F He, X Wu, T Liu, J Yu, X Luo, J Wang - Thermal Science and Engineering …, 2025 - Elsevier
In the development of hypersonic vehicles, advanced thermal protection technologies are
crucial, particularly for the leading edge, which bears the highest aerodynamic force and …

Capillary flow of two immiscible liquids initially separated by a Taylor gas bubble

I Rasuceanu, C Patrascu - Physics of Fluids, 2024 - pubs.aip.org
We investigate the capillary displacement of silicone oil columns by water in tandem with a
Taylor gas bubble in horizontally aligned tubes that initially separate the two immiscible …

Increasing Performance of Cooling Systems for Radar Transmit/Receive Modules

Y Nikolaenko, V Kravets, R Melnyk… - 2022 IEEE 41st …, 2022 - ieeexplore.ieee.org
The authors take into consideration the placement of the antenna sheet and the
transmit/receive modules of the active phased array antenna in its operating position to …

Heat and mass transfer in two-phase annular flows in channels with capillary-porous walls under first-type boundary conditions

VO Tuz, NL Lebed - Thermal Science and Engineering Progress, 2021 - Elsevier
In order to create and perfect modern technologies, it is necessary to have a deep
understanding of the processes they are based upon. The classical approach to the study of …

Heat Transfer Intensity at Water Boiling on the Surface of a Capillary Structure Under Subatmospheric Pressure

R Melnyk, V Kravets, L Lipnitskyi… - … -European Journal of …, 2021 - papers.ssrn.com
This paper considers the effect of structural parameters and saturation pressure on the
intensity of heat transfer from boiling on porous structures made of copper metal fibers. The …