Experimental investigation of the effectiveness of ultrasounds on increasing heat transfer coefficient of heat exchangers

H Azimy, AHM Isfahani, M Farahnakian… - … Communications in Heat …, 2021 - Elsevier
In this study, the result of installing an ultrasonic transducer at the walls of the heat
exchanger on improving the heat transfer coefficient (HTC) of distilled pure water is …

Numerical investigation of the effect of square and sinusoidal waves vibration parameters on heat sink forced convective heat transfer enhancement

AHDK Rasangika, MS Nasif, W Pao, R Al-Waked - Applied Sciences, 2022 - mdpi.com
Among numerous electronic cooling methods, a vibrating heat sink using sinusoidal wave
vibration effectively enhances the heat transfer by disturbing the thermal boundary layer …

CFD Investigation of the Effect of Vibration Direction on the Heat Transfer Enhancement of Heat Sink

AHDK Rasangika, MS Nasif, W Pao… - CFD Letters, 2023 - semarakilmu.com.my
The application of vibration on a heated surface is found to be one of the promising cooling
methods. Previous studies found that the thermal performance of the heated body depends …

Exploring the heat transfer performance and vortex-induced vibration characteristics of cylinders near a heated surface

L Ding, Y Fu, D Liu, J Ran - Physics of Fluids, 2024 - pubs.aip.org
To effectively harness vortex-induced vibration (VIV) for enhancing heat dissipation from a
hot wall, this paper presents a series of studies on the VIV behavior of a cylinder near a wall …

Turning-ascending flight of a Hipposideros pratti bat

A Rahman, P Windes, D Tafti - Royal Society Open …, 2022 - royalsocietypublishing.org
Bats exhibit a high degree of agility and provide an excellent model system for bioinspired
flight. The current study investigates an ascending right turn of a Hipposideros pratti bat and …

Modeling the effects of horizontal transverse vibrations on the thermal behavior and the ampacity of rectangular bus bars

L Garić, D Klimenta, D Andriukaitis, S Jovanović - Applied Sciences, 2023 - mdpi.com
The purpose of this research is to correctly model steady-state heat transfer in and around
rectangular bus bars installed horizontally in an indoor environment and to estimate the …

Comparison of Forced Convective Heat-Transfer Enhancement of Conventional and Thin Plate-Fin Heat Sinks under Sinusoidal Vibration

AHDK Rasangika, MS Nasif, R Al-Waked - Applied Sciences, 2023 - mdpi.com
Applying sinusoidal vibration to heat sinks has proven to be a promising technique for
improving heat transfer by disrupting the thermal boundary layer. However, applying …

Effect of fin spacing on the vibration-assisted thermal performance of heat sink

A Rasangika, MS Nasif, W Pao… - IOP Conference Series …, 2023 - iopscience.iop.org
Applying vibrations on heat sinks can induce recirculation zones in the flow field, disrupting
the developed thermal boundary layer. This paper demonstrates the fin spacing effect on the …

Falling-film absorption model considering surface wave and vibration effects based on lattice Boltzmann method

H Zhang, H Gao, X Gao, Y Yan - Energies, 2022 - mdpi.com
As one of the effective solutions to recover waste heat, absorption refrigeration systems are
used in various industrial or refrigeration places. Flat-plate falling-film absorption is one of …

Role of wing inertia in maneuvering bat flights

A Rahman, D Tafti - Bioinspiration & Biomimetics, 2022 - iopscience.iop.org
The role of aerodynamics and wing inertia on the motion dynamics for the maneuvering
flight of two bats from two species of roundleaf bats, H. armiger and H. pratti are investigated …