Evaporative Cooling Due to a Gently Deposited Droplet.
Evaporative Cooling Due to a Gently Deposited Droplet.
(470 K)
diMarzo, M.; Tartarini, P.; Liao, Y.; Evans, D. D.;
Baum, H. R.
NIST GCR 96-687; Paper 7; June 1996.
International Journal of Heat and Mass Transfer, Vol.
36, No. 17, 4133-4139, 1993.
Available from:
National Technical Information Service
Order number: PB96-202304
Keywords:
water sprays; evaporation cooling; droplets; equations;
formulations; surface temperature; temperature
distribution; evacuation time
Abstract:
The transient thermal behavior of a single water droplet
gently deposited on the surface of a semi-infinite solid
is investigated. A coupled model that solves
simultaneously the transient condition equation for the
solid and the liquid to yield the surface temperature
and heat flux distributions as well as the description
of the droplet evaporation transient is proposed. The
predictions of the evaporation time are compared with
experimental data. An additional model is presented
which assumes constant heat flux at the liquid-solid
interface. This model provides a closed form solution
for the solid surface transient temperature
distribution.
Building and Fire Research Laboratory
National Institute of Standards and Technology
Gaithersburg, MD 20899