... 16 11 2023 thermosyphon loop minichannel evaporator air cooling thermal resistance heat transfer performance condensation electronic cooling evaporation experimental/measurement techniques heat exchangers heat pipes thermal systems two-phase flow and heat transfer...

...Peng Lu; Xiaodie Yan; Qinshan Yang; Jian Wei In order to reveal the gas–liquid distribution, heat and mass transfer characteristics inside a gravity heat pipe, the bubble behavior and the flow regime transition during the phase-change process were examined by employing a copper-water heat pipe...

...Jigneshsinh Rathod; Vikas Lakhera; Atindra Shukla Flat heat pipes (FHPs) are commonly used as a passive cooling system in portable electronic gadgets due to their compact profile. The present study investigates the effect of different working fluids on the thermal performance of a miniature FHP...

... fusion/solidification solar collector renewable energy thermal energy storage heat pipes melting and freezing thermal systems Recent years have seen remarkable climate changes, with new environmental reports indicating that anthropogenic activities play a dominant role in these changes...

...Anand A. Bhatt; Sanjay V. Jain; Rajesh N. Patel; Dipak V. Vaghela In order to use single heat pipe for multiple heat sources in electronics and space applications, a multibranch heat pipe with two evaporators and a condenser is developed with 20 internal grooves as a wick structure. An experimental...

...Mark Owoola; Laith Ismael; Adalberto Aviles; Shahabeddin K. Mohammadian; Hongbin Ma An oscillating heat pipe (OHP) charged with a hybrid fluid is investigated. This hybrid fluid uses an emulsion-based mixture of liquid metal gallium microdroplets suspended in an ethanol solution. The gallium...

... 30 01 2023 compact heat exchanger plate-fin heat exchanger wavy fin heat transfer coefficient mass flow rate MFC coolant TFC anti-freeze coolant ECSTAR heat and mass transfer heat exchangers heat pipes heat transfer enhancement thermal systems The principal concept...

.... The heat pipe is a heat exchanger device with very high thermal conductivity. The present study was an attempt to find the effectiveness of the heat pipe attached to the battery under air cooling to reduce the temperature of the battery. The heat pipe can be flattened and bent hence it is very useful...

... is considered aluminum for this study. The preceding survey reveals that a substantial number of studies are carried out to predict the thermofluid behavior from the heated pipes submerged in quiescent Newtonian/power-law fluids based on a broad range of pertinent parameters. On the other hand...

... in the spots where the transistors are mounted remains below 56.3 °C for the air velocity of 5.5 m/s in the heat sink channels and below 51.8 °C for 10.5 m/s. A new original technical solution based on low-cost flat gravity heat pipes with a threaded evaporator will provide the efficiency of the cooling system...

.... In the present study, the experimental investigations are carried out on a wickless multi-branch heat pipe in gravity-assisted mode with two evaporators and one condenser on each of the individual branches. The start-up and dynamic characteristics were studied with different filling ratios (range, 40–70...

...Xiahou Guowei; Liu Hao; Zhang Shun; He Yecong To meet the heat dissipation of a horizontally mounted chip with high heat flow density, a new type of array pulsating cold end heat pipe was proposed, which consists of a T-shaped hot end and an array pulsating cold end. The special structure...

... 08 2021 16 11 2021 21 11 2021 12 01 2022 downhole electronics heat transfer active cooling system passive cooling technologies high-temperature environment heat pipes National Natural Science Foundation of China 10.13039/501100001809 51804267...

...Guangming Xu; Rongjian Xie; Nanxi Li; Cheng Liu Two kinds of new refrigerant R1234ze(E) and R245fa were discussed as substitutes or supplements to traditional working fluids of loop heat pipes (LHPs) based on their favorable thermophysical properties and characteristics such as being safe...

...Haijun Mo; Hang Zhao; Xiaowu Wang; Rui Cao; Zhenping Wan; Sulian Tao A kind of stainless-steel heat pipe with sintered fiber wick is investigated with the aim to improve the heat dissipation when it is used in spent fuel pools in nuclear power plants. The effects of test angle, porosity...

... multi-parametric optimization extended surfaces/fins heat exchangers heat pipes heat transfer enhancement Ever since USSR launched Sputnik in 1957, humans’ urge to explore space increasing day by day. With an increase in the number of human space flights, there is a need to develop new...

...Randeep Singh; Tien Nguyen The present paper investigates the potential of loop heat pipe (LHP), with respect to technological merits and application niche, in automotive thermal management. Broadly, LHP design and applicability for hot spot cooling in electronics (local dissipation), and for heat...

... and superheating on heat transfer during thin film evaporation were analyzed. The influence of the wick diameter of the loop heat pipe (LHP) on the critical heat flux of the evaporator is analyzed theoretically. The results show that pore size and superheating mainly influence evaporation through changes...

...: n.jacimovic@danieli.it 23 11 2020 14 03 2021 14 03 2021 18 06 2021 fired boilers flue gas membrane water-wall heat transfer boiling heat and mass transfer heat exchangers heat pipes heat recovery heat transfer enhancement In general, boilers, fire heaters...

...Ahmed A. Abdulshaheed; Pengtao Wang; Guanghan Huang; Yueyang Zhao; Chen Li This experimental test investigates the effect of filling ratio (FR) and inclination angle on the thermal performance of a nanoengineered copper-water heat pipe. A hydrophilic copper oxide coating (CuO) is synthesized...