TY - JOUR
T1 - Thermal performance of LHSU for electronics under steady and transient operations modes
AU - Ali, Hafiz Muhammad
AU - Arshad, Adeel
AU - Janjua, Muhammad Mansoor
AU - Baig, Wajahat
AU - Sajjad, Uzair
N1 - Publisher Copyright:
© 2018 Elsevier Ltd
PY - 2018/12
Y1 - 2018/12
N2 - This experimental study investigates the effect of passive cooling of electronic devices using a latent heat storage unit (LHSU) filled with n-eicosane as phase change material (PCM),under steady-state and transient heating operations. A pin–fin heat sink of square configuration, made of aluminum, pin-fins acted as a thermal conductivity enhancers (TCEs), is used to augment the rate of heat transfer through n-eicosane which has low thermal conductivity. A range of input heating loads from 1.2–2.8kW/m2 with an interval of 0.4kW/m2 are applied at the base of LHSU, filled at three different volumetric fractions of n-eicosane, to quantify the steady-state and transient heat transfer characteristics for different operation modes for reliable passive cooling of electronics. The results are reported under two phases i.e. steady-state and transient heating, and thermal performance of LHSU is elucidated in terms of enhancement in operation time, enhancement ratio, effect of PCM amount and various usage modes under different heating loads.
AB - This experimental study investigates the effect of passive cooling of electronic devices using a latent heat storage unit (LHSU) filled with n-eicosane as phase change material (PCM),under steady-state and transient heating operations. A pin–fin heat sink of square configuration, made of aluminum, pin-fins acted as a thermal conductivity enhancers (TCEs), is used to augment the rate of heat transfer through n-eicosane which has low thermal conductivity. A range of input heating loads from 1.2–2.8kW/m2 with an interval of 0.4kW/m2 are applied at the base of LHSU, filled at three different volumetric fractions of n-eicosane, to quantify the steady-state and transient heat transfer characteristics for different operation modes for reliable passive cooling of electronics. The results are reported under two phases i.e. steady-state and transient heating, and thermal performance of LHSU is elucidated in terms of enhancement in operation time, enhancement ratio, effect of PCM amount and various usage modes under different heating loads.
KW - Latent heat storage unit
KW - Phase change material
KW - Pin-fin heat sink
KW - Thermal conductivity enhancers
KW - n-eicosane
UR - https://www.scopus.com/pages/publications/85049949740
U2 - 10.1016/j.ijheatmasstransfer.2018.06.120
DO - 10.1016/j.ijheatmasstransfer.2018.06.120
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AN - SCOPUS:85049949740
SN - 0017-9310
VL - 127
SP - 1223
EP - 1232
JO - International Journal of Heat and Mass Transfer
JF - International Journal of Heat and Mass Transfer
ER -