106
HEINRICH E. FIEDLER
To discuss the transport mechanism it seems appropriate to start with
Townsend's mode!:
( Y = bulk convection velocity).
vortex, the following relations may be derived :
v'T' - I ATG - E dAT/d,
From Fig. 17, which shows a schematic of the heat-transport in a single
(~'T'h(mrtex~ = 4K -t k q - %x
where
qK = kIicoATj = lateral convection
yD, = --E d(ATvo'tcx) = longitudinal diffusion
t l s
= lateral diffusion
d(AT"",t,X 1
d Y
4 0 " '
--I:
- Y
FIG. 17. Model of hcat transport in single vortex.