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An experimental and theoretical analysis of vapor-to-liquid phase change on microstructured surfaces
(Elsevier, 2020-09)
In this work, an experimental and a theoretical study was carried out on condensation heat transfer on vertically aligned bare unstructured, micro V-grooved and square-grooved copper substrates. During the experiments, ...
Effect of polymer coating on vapor condensation heat transfer
(ASME, 2020-04-01)
Condensation heat transfer coefficients (HTCs) are rather low compared to thin film evaporation. Therefore, it can be a limiting factor for designing heat transfer equipment. In this work, heat transfer characteristics of ...
Spreading behavior of droplets impacting over substrates with varying surface topographies
(Elsevier, 2020-12-05)
Droplet interaction with solid surface plays an important role in a number of practical applications such as thermal management systems, steel production, painting, prevention of impurit deposition, and formation of ...
A numerical investigation into frost formation under impinging flow conditions
(IEEE, 2021)
Frost formation is an undesired phenomenon for a wide range of practical applications as it diminishes amount of heat dissipation from heat transfer regions. In this paper, frost growth process on a vertically suspended ...
Particle based investigation of self-heating effect of phosphor particles in phosphor converted light emitting diodes
(Elsevier, 2021-03)
Since 2003, self-heating effect of phosphor which reduces the efficacy and reliability of phosphor conversion (Pc) light emitting diodes (LEDs), has been a growing research area of opto-thermal Pc-LED modeling. However, ...
On the individual droplet growth modeling and heat transfer analysis in dropwise condensation
(IEEE, 2021-10)
The low convective coefficient at condenser part of spreaders and vapor chambers due to film blanket blocking encourages utilizing dropwise condensation (DWC). Challenges exist in the experimental characterization of DWC, ...
Thermal and optical characterization of white and blue multi-chip LED light engines
(IEEE, 2021)
A clear understanding of thermal characteristics for light emitting diodes (LEDs) is at the center of attention for lighting industry. Especially accurate evaluation of the junction temperature of various light engines is ...
Synthetic jet cooling technology for electronics thermal management - A critical review
(IEEE, 2021-08)
Effective removal of excess heat from electronics equipment is the key to its intended functionality. A Defense Advanced Research Projects Agency (DARPA) hard problem is proposed in microtechnologies for the air-cooled ...
Design and development of a durable series elastic actuator with an optimized spring topology
(Sage, 2021-12)
This paper aims to present the integrated design, development, and testing procedures for a state-of-the-art torsion-based series elastic actuator that could be reliably employed for long-term use in force-controlled robot ...
Acoustics and heat transfer characteristics of piezoelectric driven central orifice synthetic jet actuators
(Taylor & Francis, 2022-09-19)
Growth in computational capacity combined with a decrease in the size of digital devices has led to increasing demand for more active and efficient cooling of electronics. In this study, an experimental investigation into ...
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