LES simulations of an im**ing jet: On the origin of the second peak in the Nusselt number distribution

N Uddin, SO Neumann, B Weigand - International Journal of Heat and Mass …, 2013 - Elsevier
The complex flow field of an im**ing jet is investigated to understand the dynamics of
vortical structures on heat transfer. The prediction of heat transfer by a turbulent im**ing …

Influence of a pulsation on heat transfer and flow structure in submerged im**ing jets

HM Hofmann, DL Movileanu, M Kind… - International Journal of …, 2007 - Elsevier
An experimental investigation on pulsating im**ing jets has been performed. The effect of
the pulsation on the flow structure and heat transfer have been investigated. Frequency and …

Effect of an external excitation on the flow structure in a circular im**ing jet

J Vejrazka, J Tihon, P Marty, V Sobolik - Physics of Fluids, 2005 - pubs.aip.org
The effect of an external excitation on circular im**ing jet flow is studied experimentally.
Velocity fields in moderate air flows (Re= 10 000) are investigated by hot-wire anemometry …

Comparative study on heat transfer enhancement by turbulent im**ing jet under conditions of swirl, active excitations and passive excitations

N Uddin, B Weigand, BA Younis - International Communications in Heat …, 2019 - Elsevier
This paper reports on computations related to a turbulent jet im**ing on a flat surface. The
goal was to assess the efficiency of alternative methods for enhancing the heat-transfer rates …

Heat transfer under a pulsed slot turbulent im**ing jet at large temperature differences

P Xu, AS Mujumdar, HJ Poh, B Yu - Thermal Science, 2010 - doiserbia.nb.rs
Pulsed im**ing jets have received increasing interest for their potential in heat and mass
transfer enhancement. However, published results on effects of pulsations under different …

Annular im**ing jet with recirculation zone expanded by acoustic excitation

Z Trávnı́ček, V Tesař - International Journal of Heat and Mass Transfer, 2004 - Elsevier
Flow visualization and mass transfer (naphthalene sublimation) experiments were
performed on acoustically excited annular air jet with diameter ratio Di/Do= 0.95. Two …

Turbulence modeling of complex flows in CFD

N Uddin - 2008 - elib.uni-stuttgart.de
In the last two decades of the 20th century, the world had witnessed the enormous increase
in the computational resources. This has brought in the tremendous increase in human …

Heat transfer distributions on the walls of a narrow channel with jet im**ement and cross flow

OMA Al-aqal - 2003 - search.proquest.com
HEAT TRANSFER DISTRIBUTIONS ON THE WALLS OF A NARROW CHANNEL WITH JET
IMPINGEMENT AND CROSS FLOW Page 1 HEAT TRANSFER DISTRIBUTIONS ON THE …

Effect of a Control Mechanism on the Interaction between a Rectangular Jet and a Slotted Plate: Experimental Study of the Aeroacoustic Field

NE Afyouni, M Alkheir, H Assoum, B El Zohbi… - Fluids, 2023 - mdpi.com
The aeroacoustic field of a rectangular subsonic jet im**ing on a slotted plate was
investigated experimentally using microphones and stereoscopic particle image velocimetry …

LES investigation of a passively excited im**ing jet

N Uddin, SO Neumann, B Weigand… - International Journal of …, 2021 - Elsevier
Periodic vortex shedding which forms when fluid moves over a circular cylinder creates a
wake which causes fluctuating unsteady forces on structures. The oscillating wake may also …