RT Journal Article
ID 385a8095579598da
A1 Kiseev, Valery M.
A1 Aminev, Dmitry S.
A1 Cherkashin, Victor G. 
T1 TWO-PHASE SYSTEMS FOR LIGHT-EMITTING DIODES COOLING
JF Heat Pipe Science and Technology, An International Journal
JO HPST
YR 2011
FD 2011-12-01
VO 2
IS 1-4
SP 121
OP 131
K1 two-phase thermal control system
K1 conventional thermosyphon
K1 loop thermosyphon
K1 heat pipe
K1 LED lamp
K1 radiator
K1 working fluid
K1 heat transfer
AB Extensive development of the light-emitting diode (LED) devices on the basis of LED matrix offers capabilities for LED to occupy an increasingly important place for street and industrial lighting as more reliable and energy-efficient. However, there are not enough experimental data on the optimization of the cooling systems for LED devices. Traditionally, the cooling systems for LED devices are designed with even pitch of LED locations on the radiator's surface. By the increase of LED power
the radiator's surface and the distance between the LED locations grows correspondingly. It results
in the increase of the mass and size of the LED device. This paper presents some designs of twophase
thermal control systems for the LED cooling on the basis of conventional thermosyphon, loop
thermosyphon, and heat pipe and studies the experimental data, which were investigated for the twophase
systems considering the gravity influence. The presented results include: some designs of the two-phase systems for the LED cooling; start-up characteristics under low, high, and intermediate powers; power cycling (monotonic and random) and sink temperature cycling behavior; and temperature drop and temperature oscillations during startup and working regime.
PB Begell House
LK https://www.dl.begellhouse.com/journals/4b0844fc3a2ef17f,281a8ea578f5d779,385a8095579598da.html